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VoltDB/voltdb
src/frontend/org/voltdb/planner/PlanAssembler.java
PlanAssembler.fixDistributedApproxCountDistinct
private static void fixDistributedApproxCountDistinct( AggregatePlanNode distNode, AggregatePlanNode coordNode) { assert (distNode != null); assert (coordNode != null); // Patch up any APPROX_COUNT_DISTINCT on the distributed node. List<ExpressionType> distAggTy...
java
private static void fixDistributedApproxCountDistinct( AggregatePlanNode distNode, AggregatePlanNode coordNode) { assert (distNode != null); assert (coordNode != null); // Patch up any APPROX_COUNT_DISTINCT on the distributed node. List<ExpressionType> distAggTy...
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This function is called once it's been determined that we can push down an aggregation plan node. If an APPROX_COUNT_DISTINCT aggregate is distributed, then we need to convert the distributed aggregate function to VALS_TO_HYPERLOGLOG, and the coordinating aggregate function to HYPERLOGLOGS_TO_CARD. @param distNode ...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/PlanAssembler.java#L3004-L3032
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/PlanAssembler.java
PlanAssembler.checkLimitPushDownViability
protected AbstractPlanNode checkLimitPushDownViability( AbstractPlanNode root) { AbstractPlanNode receiveNode = root; List<ParsedColInfo> orderBys = m_parsedSelect.orderByColumns(); boolean orderByCoversAllGroupBy = m_parsedSelect.groupByIsAnOrderByPermutation(); while ( ! (...
java
protected AbstractPlanNode checkLimitPushDownViability( AbstractPlanNode root) { AbstractPlanNode receiveNode = root; List<ParsedColInfo> orderBys = m_parsedSelect.orderByColumns(); boolean orderByCoversAllGroupBy = m_parsedSelect.groupByIsAnOrderByPermutation(); while ( ! (...
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Check if we can push the limit node down. Return a mid-plan send node, if one exists and can host a distributed limit node. There is guaranteed to be at most a single receive/send pair. Abort the search if a node that a "limit" can't be pushed past is found before its receive node. Can only push past: * coordinatingA...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/PlanAssembler.java#L3166-L3204
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/PlanAssembler.java
PlanAssembler.getIndexedColumnSetForTable
private static Set<String> getIndexedColumnSetForTable(Table table) { HashSet<String> columns = new HashSet<>(); for (Index index : table.getIndexes()) { for (ColumnRef colRef : index.getColumns()) { columns.add(colRef.getColumn().getTypeName()); } } ...
java
private static Set<String> getIndexedColumnSetForTable(Table table) { HashSet<String> columns = new HashSet<>(); for (Index index : table.getIndexes()) { for (ColumnRef colRef : index.getColumns()) { columns.add(colRef.getColumn().getTypeName()); } } ...
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Get the unique set of names of all columns that are part of an index on the given table. @param table The table to build the list of index-affected columns with. @return The set of column names affected by indexes with duplicates removed.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/PlanAssembler.java#L3343-L3353
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/PlanAssembler.java
PlanAssembler.isNullRejecting
private static boolean isNullRejecting(Collection<String> tableAliases, List<AbstractExpression> exprs) { for (AbstractExpression expr : exprs) { for (String tableAlias : tableAliases) { if (ExpressionUtil.isNullRejectingExpression(expr, tableAlias)) { ...
java
private static boolean isNullRejecting(Collection<String> tableAliases, List<AbstractExpression> exprs) { for (AbstractExpression expr : exprs) { for (String tableAlias : tableAliases) { if (ExpressionUtil.isNullRejectingExpression(expr, tableAlias)) { ...
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Verify if an expression from the input list is NULL-rejecting for any of the tables from the list @param tableAliases list of tables @param exprs list of expressions @return TRUE if there is a NULL-rejecting expression
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/PlanAssembler.java#L3490-L3501
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/SubPlanAssembler.java
SubPlanAssembler.determineIndexOrdering
private int determineIndexOrdering(StmtTableScan tableScan, int keyComponentCount, List<AbstractExpression> indexedExprs, List<ColumnRef> indexedColRefs, AccessPath retval, int[] orderSpoilers, List<AbstractExpression> bindingsForOrder) { ...
java
private int determineIndexOrdering(StmtTableScan tableScan, int keyComponentCount, List<AbstractExpression> indexedExprs, List<ColumnRef> indexedColRefs, AccessPath retval, int[] orderSpoilers, List<AbstractExpression> bindingsForOrder) { ...
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Determine if an index, which is in the AccessPath argument retval, can satisfy a parsed select statement's order by or window function ordering requirements. @param table only used here to validate base table names of ORDER BY columns' . @param bindingsForOrder restrictions on parameter settings that ar...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/SubPlanAssembler.java#L1619-L1719
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/SubPlanAssembler.java
SubPlanAssembler.findBindingsForOneIndexedExpression
private static List<AbstractExpression> findBindingsForOneIndexedExpression(ExpressionOrColumn nextStatementEOC, ExpressionOrColumn indexEntry) { assert(nextStatementEOC.m_expr != null); AbstractExpression nextStatementExpr = nextStatementEOC.m_expr; ...
java
private static List<AbstractExpression> findBindingsForOneIndexedExpression(ExpressionOrColumn nextStatementEOC, ExpressionOrColumn indexEntry) { assert(nextStatementEOC.m_expr != null); AbstractExpression nextStatementExpr = nextStatementEOC.m_expr; ...
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Match the indexEntry, which is from an index, with a statement expression or column. The nextStatementEOC must be an expression, not a column reference. @param nextStatementEOC The expression or column in the SQL statement. @param indexEntry The expression or column in the index. @return A list of bindings for this m...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/SubPlanAssembler.java#L1733-L1754
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/SubPlanAssembler.java
SubPlanAssembler.removeExactMatchCoveredExpressions
private static boolean removeExactMatchCoveredExpressions( AbstractExpression coveringExpr, List<AbstractExpression> exprsToCover) { boolean hasMatch = false; Iterator<AbstractExpression> iter = exprsToCover.iterator(); while(iter.hasNext()) { AbstractExpression exprToCo...
java
private static boolean removeExactMatchCoveredExpressions( AbstractExpression coveringExpr, List<AbstractExpression> exprsToCover) { boolean hasMatch = false; Iterator<AbstractExpression> iter = exprsToCover.iterator(); while(iter.hasNext()) { AbstractExpression exprToCo...
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Loop over the expressions to cover to find ones that exactly match the covering expression and remove them from the original list. Returns true if there is at least one match. False otherwise. @param coveringExpr @param exprsToCover @return true is the covering expression exactly matches to one or more expressions to c...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/SubPlanAssembler.java#L2020-L2034
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/SubPlanAssembler.java
SubPlanAssembler.removeNotNullCoveredExpressions
private static List<AbstractExpression> removeNotNullCoveredExpressions(StmtTableScan tableScan, List<AbstractExpression> coveringExprs, List<AbstractExpression> exprsToCover) { // Collect all TVEs from NULL-rejecting covering expressions Set<TupleValueExpression> coveringTves = new HashSet<>(); ...
java
private static List<AbstractExpression> removeNotNullCoveredExpressions(StmtTableScan tableScan, List<AbstractExpression> coveringExprs, List<AbstractExpression> exprsToCover) { // Collect all TVEs from NULL-rejecting covering expressions Set<TupleValueExpression> coveringTves = new HashSet<>(); ...
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Remove NOT NULL expressions that are covered by the NULL-rejecting expressions. For example, 'COL IS NOT NULL' is covered by the 'COL > 0' NULL-rejecting comparison expression. @param tableScan @param coveringExprs @param exprsToCover @return List<AbstractExpression>
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/SubPlanAssembler.java#L2045-L2070
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/SubPlanAssembler.java
SubPlanAssembler.addSendReceivePair
protected static AbstractPlanNode addSendReceivePair(AbstractPlanNode scanNode) { SendPlanNode sendNode = new SendPlanNode(); sendNode.addAndLinkChild(scanNode); ReceivePlanNode recvNode = new ReceivePlanNode(); recvNode.addAndLinkChild(sendNode); return recvNode; }
java
protected static AbstractPlanNode addSendReceivePair(AbstractPlanNode scanNode) { SendPlanNode sendNode = new SendPlanNode(); sendNode.addAndLinkChild(scanNode); ReceivePlanNode recvNode = new ReceivePlanNode(); recvNode.addAndLinkChild(sendNode); return recvNode; }
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Insert a send receive pair above the supplied scanNode. @param scanNode that needs to be distributed @return return the newly created receive node (which is linked to the new sends)
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/SubPlanAssembler.java#L2133-L2141
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/SubPlanAssembler.java
SubPlanAssembler.getAccessPlanForTable
protected static AbstractPlanNode getAccessPlanForTable(JoinNode tableNode) { StmtTableScan tableScan = tableNode.getTableScan(); // Access path to access the data in the table (index/scan/etc). AccessPath path = tableNode.m_currentAccessPath; assert(path != null); // if no inde...
java
protected static AbstractPlanNode getAccessPlanForTable(JoinNode tableNode) { StmtTableScan tableScan = tableNode.getTableScan(); // Access path to access the data in the table (index/scan/etc). AccessPath path = tableNode.m_currentAccessPath; assert(path != null); // if no inde...
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Given an access path, build the single-site or distributed plan that will assess the data from the table according to the path. @param table The table to get data from. @return The root of a plan graph to get the data.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/SubPlanAssembler.java#L2150-L2161
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/SubPlanAssembler.java
SubPlanAssembler.getIndexAccessPlanForTable
private static AbstractPlanNode getIndexAccessPlanForTable( StmtTableScan tableScan, AccessPath path) { // now assume this will be an index scan and get the relevant index Index index = path.index; IndexScanPlanNode scanNode = new IndexScanPlanNode(tableScan, index); Abstract...
java
private static AbstractPlanNode getIndexAccessPlanForTable( StmtTableScan tableScan, AccessPath path) { // now assume this will be an index scan and get the relevant index Index index = path.index; IndexScanPlanNode scanNode = new IndexScanPlanNode(tableScan, index); Abstract...
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Get an index scan access plan for a table. @param tableAliasIndex The table to get data from. @param path The access path to access the data in the table (index/scan/etc). @return An index scan plan node OR, in one edge case, an NLIJ of a MaterializedScan and an index scan plan node.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/SubPlanAssembler.java#L2189-L2261
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/SubPlanAssembler.java
SubPlanAssembler.injectIndexedJoinWithMaterializedScan
private static AbstractPlanNode injectIndexedJoinWithMaterializedScan( AbstractExpression listElements, IndexScanPlanNode scanNode) { MaterializedScanPlanNode matScan = new MaterializedScanPlanNode(); assert(listElements instanceof VectorValueExpression || listElements instanceof ParameterVa...
java
private static AbstractPlanNode injectIndexedJoinWithMaterializedScan( AbstractExpression listElements, IndexScanPlanNode scanNode) { MaterializedScanPlanNode matScan = new MaterializedScanPlanNode(); assert(listElements instanceof VectorValueExpression || listElements instanceof ParameterVa...
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Generate a plan for an IN-LIST-driven index scan
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/SubPlanAssembler.java#L2265-L2279
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/SubPlanAssembler.java
SubPlanAssembler.replaceInListFilterWithEqualityFilter
private static void replaceInListFilterWithEqualityFilter(List<AbstractExpression> endExprs, AbstractExpression inListRhs, AbstractExpression equalityRhs) { for (AbstractExpression comparator : endE...
java
private static void replaceInListFilterWithEqualityFilter(List<AbstractExpression> endExprs, AbstractExpression inListRhs, AbstractExpression equalityRhs) { for (AbstractExpression comparator : endE...
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with an equality filter referencing the second given rhs.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/SubPlanAssembler.java#L2284-L2300
train
VoltDB/voltdb
examples/callcenter/client/callcenter/CallSimulator.java
CallSimulator.makeRandomEvent
CallEvent[] makeRandomEvent() { long callId = ++lastCallIdUsed; // get agentid Integer agentId = agentsAvailable.poll(); if (agentId == null) { return null; } // get phone number Long phoneNo = phoneNumbersAvailable.poll(); assert(phoneNo != ...
java
CallEvent[] makeRandomEvent() { long callId = ++lastCallIdUsed; // get agentid Integer agentId = agentsAvailable.poll(); if (agentId == null) { return null; } // get phone number Long phoneNo = phoneNumbersAvailable.poll(); assert(phoneNo != ...
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Generate a random call event with a duration. Reserves agent and phone number from the pool.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/examples/callcenter/client/callcenter/CallSimulator.java#L86-L123
train
VoltDB/voltdb
examples/callcenter/client/callcenter/CallSimulator.java
CallSimulator.next
@Override public CallEvent next(long systemCurrentTimeMillis) { // check for time passing if (systemCurrentTimeMillis > currentSystemMilliTimestamp) { // build a target for this 1ms window long eventBacklog = targetEventsThisMillisecond - eventsSoFarThisMillisecond; ...
java
@Override public CallEvent next(long systemCurrentTimeMillis) { // check for time passing if (systemCurrentTimeMillis > currentSystemMilliTimestamp) { // build a target for this 1ms window long eventBacklog = targetEventsThisMillisecond - eventsSoFarThisMillisecond; ...
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Return the next call event that is safe for delivery or null if there are no safe objects to deliver. Null response could mean empty, or could mean all objects are scheduled for the future. @param systemCurrentTimeMillis The current time. @return CallEvent
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/examples/callcenter/client/callcenter/CallSimulator.java#L135-L188
train
VoltDB/voltdb
examples/callcenter/client/callcenter/CallSimulator.java
CallSimulator.validate
private void validate() { long delayedEventCount = delayedEvents.size(); long outstandingAgents = config.agents - agentsAvailable.size(); long outstandingPhones = config.numbers - phoneNumbersAvailable.size(); if (outstandingAgents != outstandingPhones) { throw new RuntimeE...
java
private void validate() { long delayedEventCount = delayedEvents.size(); long outstandingAgents = config.agents - agentsAvailable.size(); long outstandingPhones = config.numbers - phoneNumbersAvailable.size(); if (outstandingAgents != outstandingPhones) { throw new RuntimeE...
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Smoke check on validity of data structures. This was useful while getting the code right for this class, but it doesn't do much now, unless the code needs changes.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/examples/callcenter/client/callcenter/CallSimulator.java#L219-L235
train
VoltDB/voltdb
examples/callcenter/client/callcenter/CallSimulator.java
CallSimulator.printSummary
void printSummary() { System.out.printf("There are %d agents outstanding and %d phones. %d entries waiting to go.\n", agentsAvailable.size(), phoneNumbersAvailable.size(), delayedEvents.size()); }
java
void printSummary() { System.out.printf("There are %d agents outstanding and %d phones. %d entries waiting to go.\n", agentsAvailable.size(), phoneNumbersAvailable.size(), delayedEvents.size()); }
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Debug statement to help users verify there are no lost or delayed events.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/examples/callcenter/client/callcenter/CallSimulator.java#L240-L243
train
VoltDB/voltdb
third_party/java/src/org/apache/commons_voltpatches/cli/DefaultParser.java
DefaultParser.isNegativeNumber
private boolean isNegativeNumber(String token) { try { Double.parseDouble(token); return true; } catch (NumberFormatException e) { return false; } }
java
private boolean isNegativeNumber(String token) { try { Double.parseDouble(token); return true; } catch (NumberFormatException e) { return false; } }
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Check if the token is a negative number. @param token
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/third_party/java/src/org/apache/commons_voltpatches/cli/DefaultParser.java#L271-L282
train
VoltDB/voltdb
third_party/java/src/org/apache/commons_voltpatches/cli/DefaultParser.java
DefaultParser.isLongOption
private boolean isLongOption(String token) { if (!token.startsWith("-") || token.length() == 1) { return false; } int pos = token.indexOf("="); String t = pos == -1 ? token : token.substring(0, pos); if (!options.getMatchingOptions(t).isEmpty()) ...
java
private boolean isLongOption(String token) { if (!token.startsWith("-") || token.length() == 1) { return false; } int pos = token.indexOf("="); String t = pos == -1 ? token : token.substring(0, pos); if (!options.getMatchingOptions(t).isEmpty()) ...
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Tells if the token looks like a long option. @param token
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/third_party/java/src/org/apache/commons_voltpatches/cli/DefaultParser.java#L310-L332
train
VoltDB/voltdb
third_party/java/src/org/apache/commons_voltpatches/cli/DefaultParser.java
DefaultParser.handleUnknownToken
private void handleUnknownToken(String token) throws ParseException { if (token.startsWith("-") && token.length() > 1 && !stopAtNonOption) { throw new UnrecognizedOptionException("Unrecognized option: " + token, token); } cmd.addArg(token); if (stopAtNonOption) ...
java
private void handleUnknownToken(String token) throws ParseException { if (token.startsWith("-") && token.length() > 1 && !stopAtNonOption) { throw new UnrecognizedOptionException("Unrecognized option: " + token, token); } cmd.addArg(token); if (stopAtNonOption) ...
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Handles an unknown token. If the token starts with a dash an UnrecognizedOptionException is thrown. Otherwise the token is added to the arguments of the command line. If the stopAtNonOption flag is set, this stops the parsing and the remaining tokens are added as-is in the arguments of the command line. @param token t...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/third_party/java/src/org/apache/commons_voltpatches/cli/DefaultParser.java#L343-L355
train
VoltDB/voltdb
src/frontend/org/voltdb/SQLStmt.java
SQLStmt.getText
public String getText() { if (sqlTextStr == null) { sqlTextStr = new String(sqlText, Constants.UTF8ENCODING); } return sqlTextStr; }
java
public String getText() { if (sqlTextStr == null) { sqlTextStr = new String(sqlText, Constants.UTF8ENCODING); } return sqlTextStr; }
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Get the text of the SQL statement represented. @return String containing the text of the SQL statement represented.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/SQLStmt.java#L201-L206
train
VoltDB/voltdb
src/frontend/org/voltdb/SQLStmt.java
SQLStmt.canonicalizeStmt
public static String canonicalizeStmt(String stmtStr) { // Cleanup whitespace newlines and adding semicolon for catalog compatibility stmtStr = stmtStr.replaceAll("\n", " "); stmtStr = stmtStr.trim(); if (!stmtStr.endsWith(";")) { stmtStr += ";"; } return stm...
java
public static String canonicalizeStmt(String stmtStr) { // Cleanup whitespace newlines and adding semicolon for catalog compatibility stmtStr = stmtStr.replaceAll("\n", " "); stmtStr = stmtStr.trim(); if (!stmtStr.endsWith(";")) { stmtStr += ";"; } return stm...
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use the same statement to compute crc.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/SQLStmt.java#L229-L238
train
VoltDB/voltdb
third_party/java/src/com/google_voltpatches/common/net/PercentEscaper.java
PercentEscaper.createSafeOctets
private static boolean[] createSafeOctets(String safeChars) { int maxChar = -1; char[] safeCharArray = safeChars.toCharArray(); for (char c : safeCharArray) { maxChar = Math.max(c, maxChar); } boolean[] octets = new boolean[maxChar + 1]; for (char c : safeCharArray) { octets[c] = tru...
java
private static boolean[] createSafeOctets(String safeChars) { int maxChar = -1; char[] safeCharArray = safeChars.toCharArray(); for (char c : safeCharArray) { maxChar = Math.max(c, maxChar); } boolean[] octets = new boolean[maxChar + 1]; for (char c : safeCharArray) { octets[c] = tru...
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Creates a boolean array with entries corresponding to the character values specified in safeChars set to true. The array is as small as is required to hold the given character information.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/third_party/java/src/com/google_voltpatches/common/net/PercentEscaper.java#L111-L122
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/ExpressionColumn.java
ExpressionColumn.getTableName
String getTableName() { if (opType == OpTypes.MULTICOLUMN) { return tableName; } if (opType == OpTypes.COLUMN) { if (rangeVariable == null) { return tableName; } return rangeVariable.getTable().getName().name; } ret...
java
String getTableName() { if (opType == OpTypes.MULTICOLUMN) { return tableName; } if (opType == OpTypes.COLUMN) { if (rangeVariable == null) { return tableName; } return rangeVariable.getTable().getName().name; } ret...
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Returns the table name for a column expression as a string @return table name
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/ExpressionColumn.java#L770-L782
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/ExpressionColumn.java
ExpressionColumn.voltAnnotateColumnXML
VoltXMLElement voltAnnotateColumnXML(VoltXMLElement exp) { if (tableName != null) { if (rangeVariable != null && rangeVariable.rangeTable != null && rangeVariable.tableAlias != null && rangeVariable.rangeTable.tableType == TableBase.SYSTEM_SUBQUERY) { ...
java
VoltXMLElement voltAnnotateColumnXML(VoltXMLElement exp) { if (tableName != null) { if (rangeVariable != null && rangeVariable.rangeTable != null && rangeVariable.tableAlias != null && rangeVariable.rangeTable.tableType == TableBase.SYSTEM_SUBQUERY) { ...
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VoltDB added method to provide detail for a non-catalog-dependent representation of this HSQLDB object. @return XML, correctly indented, representing this object.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/ExpressionColumn.java#L1320-L1340
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.parseTablesAndParams
void parseTablesAndParams(VoltXMLElement root) { // Parse parameters first to satisfy a dependency of expression parsing // which happens during table scan parsing. parseParameters(root); parseCommonTableExpressions(root); for (VoltXMLElement node : root.children) { ...
java
void parseTablesAndParams(VoltXMLElement root) { // Parse parameters first to satisfy a dependency of expression parsing // which happens during table scan parsing. parseParameters(root); parseCommonTableExpressions(root); for (VoltXMLElement node : root.children) { ...
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Parse tables and parameters . @param root @param db
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L283-L299
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.parseExpressionNode
private AbstractExpression parseExpressionNode(VoltXMLElement exprNode) { String elementName = exprNode.name.toLowerCase(); XMLElementExpressionParser parser = m_exprParsers.get(elementName); if (parser == null) { throw new PlanningErrorException("Unsupported expression node '" + el...
java
private AbstractExpression parseExpressionNode(VoltXMLElement exprNode) { String elementName = exprNode.name.toLowerCase(); XMLElementExpressionParser parser = m_exprParsers.get(elementName); if (parser == null) { throw new PlanningErrorException("Unsupported expression node '" + el...
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Given a VoltXMLElement expression node, translate it into an AbstractExpression. This is mostly a lookup in the table m_exprParsers.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L400-L410
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.parseVectorExpression
private AbstractExpression parseVectorExpression(VoltXMLElement exprNode) { ArrayList<AbstractExpression> args = new ArrayList<>(); for (VoltXMLElement argNode : exprNode.children) { assert(argNode != null); // recursively parse each argument subtree (could be any kind of express...
java
private AbstractExpression parseVectorExpression(VoltXMLElement exprNode) { ArrayList<AbstractExpression> args = new ArrayList<>(); for (VoltXMLElement argNode : exprNode.children) { assert(argNode != null); // recursively parse each argument subtree (could be any kind of express...
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Parse a Vector value for SQL-IN
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L415-L429
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.parseSubqueryExpression
private SelectSubqueryExpression parseSubqueryExpression(VoltXMLElement exprNode) { assert(exprNode.children.size() == 1); VoltXMLElement subqueryElmt = exprNode.children.get(0); AbstractParsedStmt subqueryStmt = parseSubquery(subqueryElmt); // add table to the query cache String...
java
private SelectSubqueryExpression parseSubqueryExpression(VoltXMLElement exprNode) { assert(exprNode.children.size() == 1); VoltXMLElement subqueryElmt = exprNode.children.get(0); AbstractParsedStmt subqueryStmt = parseSubquery(subqueryElmt); // add table to the query cache String...
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Parse an expression subquery
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L596-L606
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.resolveStmtTableScanByAlias
private StmtTableScan resolveStmtTableScanByAlias(String tableAlias) { StmtTableScan tableScan = getStmtTableScanByAlias(tableAlias); if (tableScan != null) { return tableScan; } if (m_parentStmt != null) { // This may be a correlated subquery return m...
java
private StmtTableScan resolveStmtTableScanByAlias(String tableAlias) { StmtTableScan tableScan = getStmtTableScanByAlias(tableAlias); if (tableScan != null) { return tableScan; } if (m_parentStmt != null) { // This may be a correlated subquery return m...
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Return StmtTableScan by table alias. In case of correlated queries, may need to walk up the statement tree. @param tableAlias
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L786-L796
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.addTableToStmtCache
protected StmtTableScan addTableToStmtCache(Table table, String tableAlias) { // Create an index into the query Catalog cache StmtTableScan tableScan = m_tableAliasMap.get(tableAlias); if (tableScan == null) { tableScan = new StmtTargetTableScan(table, tableAlias, m_stmtId); ...
java
protected StmtTableScan addTableToStmtCache(Table table, String tableAlias) { // Create an index into the query Catalog cache StmtTableScan tableScan = m_tableAliasMap.get(tableAlias); if (tableScan == null) { tableScan = new StmtTargetTableScan(table, tableAlias, m_stmtId); ...
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Add a table to the statement cache. @param table @param tableAlias @return the cache entry
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L804-L812
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.addSubqueryToStmtCache
protected StmtSubqueryScan addSubqueryToStmtCache( AbstractParsedStmt subquery, String tableAlias) { assert(subquery != null); // If there is no usable alias because the subquery is inside an expression, // generate a unique one for internal use. if (tableAlias == null) { ...
java
protected StmtSubqueryScan addSubqueryToStmtCache( AbstractParsedStmt subquery, String tableAlias) { assert(subquery != null); // If there is no usable alias because the subquery is inside an expression, // generate a unique one for internal use. if (tableAlias == null) { ...
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Add a sub-query to the statement cache. @param subquery @param tableAlias @return the cache entry
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L820-L833
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.addSimplifiedSubqueryToStmtCache
private StmtTargetTableScan addSimplifiedSubqueryToStmtCache( StmtSubqueryScan subqueryScan, StmtTargetTableScan tableScan) { String tableAlias = subqueryScan.getTableAlias(); assert(tableAlias != null); // It is guaranteed by the canSimplifySubquery that there is // one and ...
java
private StmtTargetTableScan addSimplifiedSubqueryToStmtCache( StmtSubqueryScan subqueryScan, StmtTargetTableScan tableScan) { String tableAlias = subqueryScan.getTableAlias(); assert(tableAlias != null); // It is guaranteed by the canSimplifySubquery that there is // one and ...
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Replace an existing subquery scan with its underlying table scan. The subquery has already passed all the checks from the canSimplifySubquery method. Subquery ORDER BY clause is ignored if such exists. @param subqueryScan subquery scan to simplify @param tableAlias @return StmtTargetTableScan
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L894-L911
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.replaceExpressionsWithPve
protected AbstractExpression replaceExpressionsWithPve(AbstractExpression expr) { assert(expr != null); if (expr instanceof TupleValueExpression) { int paramIdx = ParameterizationInfo.getNextParamIndex(); ParameterValueExpression pve = new ParameterValueExpression(paramIdx, expr)...
java
protected AbstractExpression replaceExpressionsWithPve(AbstractExpression expr) { assert(expr != null); if (expr instanceof TupleValueExpression) { int paramIdx = ParameterizationInfo.getNextParamIndex(); ParameterValueExpression pve = new ParameterValueExpression(paramIdx, expr)...
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Helper method to replace all TVEs and aggregated expressions with the corresponding PVEs. The original expressions are placed into the map to be propagated to the EE. The key to the map is the parameter index. @param stmt - subquery statement @param expr - expression with parent TVEs @return Expression with parent TV...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L1166-L1207
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.resolveCommonTableByName
private StmtCommonTableScan resolveCommonTableByName(String tableName, String tableAlias) { StmtCommonTableScan answer = null; StmtCommonTableScanShared scan = null; for (AbstractParsedStmt scope = this; scope != null && scan == null; scope = scope.getParentStmt()) { scan = scope.get...
java
private StmtCommonTableScan resolveCommonTableByName(String tableName, String tableAlias) { StmtCommonTableScan answer = null; StmtCommonTableScanShared scan = null; for (AbstractParsedStmt scope = this; scope != null && scan == null; scope = scope.getParentStmt()) { scan = scope.get...
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Look for a common table by name, possibly in parent scopes. This is different from resolveStmtTableByAlias in that it looks for common tables and only by name, not by alias. Of course, a name and an alias are both strings, so this is kind of a stylized distinction. @param tableName @return
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L1482-L1492
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.parseParameters
protected void parseParameters(VoltXMLElement root) { VoltXMLElement paramsNode = null; for (VoltXMLElement node : root.children) { if (node.name.equalsIgnoreCase("parameters")) { paramsNode = node; break; } } if (paramsNode == null...
java
protected void parseParameters(VoltXMLElement root) { VoltXMLElement paramsNode = null; for (VoltXMLElement node : root.children) { if (node.name.equalsIgnoreCase("parameters")) { paramsNode = node; break; } } if (paramsNode == null...
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Populate the statement's paramList from the "parameters" element. Each parameter has an id and an index, both of which are numeric. It also has a type and an indication of whether it's a vector parameter. For each parameter, we create a ParameterValueExpression, named pve, which holds the type and vector parameter indi...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L1567-L1601
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.promoteUnionParametersFromChild
protected void promoteUnionParametersFromChild(AbstractParsedStmt childStmt) { getParamsByIndex().putAll(childStmt.getParamsByIndex()); m_parameterTveMap.putAll(childStmt.m_parameterTveMap); }
java
protected void promoteUnionParametersFromChild(AbstractParsedStmt childStmt) { getParamsByIndex().putAll(childStmt.getParamsByIndex()); m_parameterTveMap.putAll(childStmt.m_parameterTveMap); }
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in the EE.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L1628-L1631
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.analyzeValueEquivalence
HashMap<AbstractExpression, Set<AbstractExpression>> analyzeValueEquivalence() { // collect individual where/join expressions m_joinTree.analyzeJoinExpressions(m_noTableSelectionList); return m_joinTree.getAllEquivalenceFilters(); }
java
HashMap<AbstractExpression, Set<AbstractExpression>> analyzeValueEquivalence() { // collect individual where/join expressions m_joinTree.analyzeJoinExpressions(m_noTableSelectionList); return m_joinTree.getAllEquivalenceFilters(); }
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Collect value equivalence expressions across the entire SQL statement @return a map of tuple value expressions to the other expressions, TupleValueExpressions, ConstantValueExpressions, or ParameterValueExpressions, that they are constrained to equal.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L1639-L1643
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.getTableFromDB
protected Table getTableFromDB(String tableName) { Table table = m_db.getTables().getExact(tableName); return table; }
java
protected Table getTableFromDB(String tableName) { Table table = m_db.getTables().getExact(tableName); return table; }
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Look up a table by name. This table may be stored in the local catalog or else the global catalog. @param tableName @return
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L1651-L1654
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.parseTableCondition
private AbstractExpression parseTableCondition(VoltXMLElement tableScan, String joinOrWhere) { AbstractExpression condExpr = null; for (VoltXMLElement childNode : tableScan.children) { if ( ! childNode.name.equalsIgnoreCase(joinOrWhere)) { continue; } ...
java
private AbstractExpression parseTableCondition(VoltXMLElement tableScan, String joinOrWhere) { AbstractExpression condExpr = null; for (VoltXMLElement childNode : tableScan.children) { if ( ! childNode.name.equalsIgnoreCase(joinOrWhere)) { continue; } ...
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Parse a where or join clause. This behavior is common to all kinds of statements.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L1735-L1754
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.limitPlanNodeFromXml
LimitPlanNode limitPlanNodeFromXml(VoltXMLElement limitXml, VoltXMLElement offsetXml) { if (limitXml == null && offsetXml == null) { return null; } String node; long limitParameterId = -1; long offsetParameterId = -1; long limit = -1; long offset = 0...
java
LimitPlanNode limitPlanNodeFromXml(VoltXMLElement limitXml, VoltXMLElement offsetXml) { if (limitXml == null && offsetXml == null) { return null; } String node; long limitParameterId = -1; long offsetParameterId = -1; long limit = -1; long offset = 0...
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Produce a LimitPlanNode from the given XML @param limitXml Volt XML for limit @param offsetXml Volt XML for offset @return An instance of LimitPlanNode for the given XML
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L1848-L1909
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.orderByColumnsCoverUniqueKeys
protected boolean orderByColumnsCoverUniqueKeys() { // In theory, if EVERY table in the query has a uniqueness constraint // (primary key or other unique index) on columns that are all listed in the ORDER BY values, // the result is deterministic. // This holds regardless of whether the ...
java
protected boolean orderByColumnsCoverUniqueKeys() { // In theory, if EVERY table in the query has a uniqueness constraint // (primary key or other unique index) on columns that are all listed in the ORDER BY values, // the result is deterministic. // This holds regardless of whether the ...
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Order by Columns or expressions has to operate on the display columns or expressions. @return
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L1915-L2045
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.addHonoraryOrderByExpressions
protected void addHonoraryOrderByExpressions( HashSet<AbstractExpression> orderByExprs, List<ParsedColInfo> candidateColumns) { // If there is not exactly one table scan we will not proceed. // We don't really know how to make indices work with joins, // and there is noth...
java
protected void addHonoraryOrderByExpressions( HashSet<AbstractExpression> orderByExprs, List<ParsedColInfo> candidateColumns) { // If there is not exactly one table scan we will not proceed. // We don't really know how to make indices work with joins, // and there is noth...
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Given a set of order-by expressions and a select list, which is a list of columns, each with an expression and an alias, expand the order-by list with new expressions which could be on the order-by list without changing the sort order and which are otherwise helpful.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L2053-L2157
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.producesOneRowOutput
protected boolean producesOneRowOutput () { if (m_tableAliasMap.size() != 1) { return false; } // Get the table. There's only one. StmtTableScan scan = m_tableAliasMap.values().iterator().next(); Table table = getTableFromDB(scan.getTableName()); // May be s...
java
protected boolean producesOneRowOutput () { if (m_tableAliasMap.size() != 1) { return false; } // Get the table. There's only one. StmtTableScan scan = m_tableAliasMap.values().iterator().next(); Table table = getTableFromDB(scan.getTableName()); // May be s...
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row else false
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L2282-L2353
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/AbstractParsedStmt.java
AbstractParsedStmt.calculateUDFDependees
public Collection<String> calculateUDFDependees() { List<String> answer = new ArrayList<>(); Collection<AbstractExpression> fCalls = findAllSubexpressionsOfClass(FunctionExpression.class); for (AbstractExpression fCall : fCalls) { FunctionExpression fexpr = (FunctionExpression)fCall;...
java
public Collection<String> calculateUDFDependees() { List<String> answer = new ArrayList<>(); Collection<AbstractExpression> fCalls = findAllSubexpressionsOfClass(FunctionExpression.class); for (AbstractExpression fCall : fCalls) { FunctionExpression fexpr = (FunctionExpression)fCall;...
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Calculate the UDF dependees. These are the UDFs called in an expression in this procedure. @return The list of names of UDF dependees. These are function names, and should all be in lower case.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/AbstractParsedStmt.java#L2382-L2392
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/CompiledPlan.java
CompiledPlan.statementGuaranteesDeterminism
public void statementGuaranteesDeterminism(boolean hasLimitOrOffset, boolean order, String contentDeterminismDetail) { m_statementHasLimitOrOffset = hasLimitOrOffset; m_statementIsOrderDeterministic = order; ...
java
public void statementGuaranteesDeterminism(boolean hasLimitOrOffset, boolean order, String contentDeterminismDetail) { m_statementHasLimitOrOffset = hasLimitOrOffset; m_statementIsOrderDeterministic = order; ...
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Mark the level of result determinism imposed by the statement, which can save us from a difficult determination based on the plan graph.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/CompiledPlan.java#L133-L141
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/CompiledPlan.java
CompiledPlan.setParamIndexes
private static void setParamIndexes(BitSet ints, List<AbstractExpression> params) { for(AbstractExpression ae : params) { assert(ae instanceof ParameterValueExpression); ParameterValueExpression pve = (ParameterValueExpression) ae; int param = pve.getParameterIndex(); ...
java
private static void setParamIndexes(BitSet ints, List<AbstractExpression> params) { for(AbstractExpression ae : params) { assert(ae instanceof ParameterValueExpression); ParameterValueExpression pve = (ParameterValueExpression) ae; int param = pve.getParameterIndex(); ...
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sources of bindings, IndexScans and IndexCounts.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/CompiledPlan.java#L230-L237
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/CompiledPlan.java
CompiledPlan.bitSetToIntVector
private static int[] bitSetToIntVector(BitSet ints) { int intCount = ints.cardinality(); if (intCount == 0) { return null; } int[] result = new int[intCount]; int nextBit = ints.nextSetBit(0); for (int ii = 0; ii < intCount; ii++) { assert(nextBit ...
java
private static int[] bitSetToIntVector(BitSet ints) { int intCount = ints.cardinality(); if (intCount == 0) { return null; } int[] result = new int[intCount]; int nextBit = ints.nextSetBit(0); for (int ii = 0; ii < intCount; ii++) { assert(nextBit ...
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to convert the set bits to their integer indexes.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/CompiledPlan.java#L241-L255
train
VoltDB/voltdb
src/frontend/org/voltdb/planner/CompiledPlan.java
CompiledPlan.parameterTypes
public VoltType[] parameterTypes() { if (m_parameterTypes == null) { m_parameterTypes = new VoltType[getParameters().length]; int ii = 0; for (ParameterValueExpression param : getParameters()) { m_parameterTypes[ii++] = param.getValueType(); } ...
java
public VoltType[] parameterTypes() { if (m_parameterTypes == null) { m_parameterTypes = new VoltType[getParameters().length]; int ii = 0; for (ParameterValueExpression param : getParameters()) { m_parameterTypes[ii++] = param.getValueType(); } ...
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This is assumed to be called only after parameters has been fully initialized.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/planner/CompiledPlan.java#L287-L296
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java
DatabaseManager.newSession
public static Session newSession(int dbID, String user, String password, int timeZoneSeconds) { Database db = (Database) databaseIDMap.get(dbID); if (db == null) { return null; } Session session = db.connect(user, password, timeZoneSeco...
java
public static Session newSession(int dbID, String user, String password, int timeZoneSeconds) { Database db = (Database) databaseIDMap.get(dbID); if (db == null) { return null; } Session session = db.connect(user, password, timeZoneSeco...
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Used by server to open a new session
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java#L147-L161
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java
DatabaseManager.newSession
public static Session newSession(String type, String path, String user, String password, HsqlProperties props, int timeZoneSeconds) { Database db = getDatabase(type, path, props); if (db == null) { return null; ...
java
public static Session newSession(String type, String path, String user, String password, HsqlProperties props, int timeZoneSeconds) { Database db = getDatabase(type, path, props); if (db == null) { return null; ...
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Used by in-process connections and by Servlet
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java#L166-L177
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java
DatabaseManager.lookupDatabaseObject
public static synchronized Database lookupDatabaseObject(String type, String path) { // A VoltDB extension to work around ENG-6044 /* disabled 14 lines ... Object key = path; HashMap databaseMap; if (type == DatabaseURL.S_FILE) { databaseMap = fileDatab...
java
public static synchronized Database lookupDatabaseObject(String type, String path) { // A VoltDB extension to work around ENG-6044 /* disabled 14 lines ... Object key = path; HashMap databaseMap; if (type == DatabaseURL.S_FILE) { databaseMap = fileDatab...
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Looks up database of a given type and path in the registry. Returns null if there is none.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java#L321-L348
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java
DatabaseManager.addDatabaseObject
private static synchronized void addDatabaseObject(String type, String path, Database db) { // A VoltDB extension to work around ENG-6044 /* disable 15 lines ... Object key = path; HashMap databaseMap; if (type == DatabaseURL.S_FILE) { databaseMap = fi...
java
private static synchronized void addDatabaseObject(String type, String path, Database db) { // A VoltDB extension to work around ENG-6044 /* disable 15 lines ... Object key = path; HashMap databaseMap; if (type == DatabaseURL.S_FILE) { databaseMap = fi...
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Adds a database to the registry. Returns null if there is none.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java#L354-L383
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java
DatabaseManager.removeDatabase
static void removeDatabase(Database database) { int dbID = database.databaseID; String type = database.getType(); String path = database.getPath(); // A VoltDB extension to work around ENG-6044 /* disable 2 lines ... Object key = path; HashMap databaseMap...
java
static void removeDatabase(Database database) { int dbID = database.databaseID; String type = database.getType(); String path = database.getPath(); // A VoltDB extension to work around ENG-6044 /* disable 2 lines ... Object key = path; HashMap databaseMap...
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Removes the database from registry.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java#L388-L428
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java
DatabaseManager.deRegisterServer
private static void deRegisterServer(Server server, Database db) { Iterator it = serverMap.values().iterator(); for (; it.hasNext(); ) { HashSet databases = (HashSet) it.next(); databases.remove(db); if (databases.isEmpty()) { it.remove(); ...
java
private static void deRegisterServer(Server server, Database db) { Iterator it = serverMap.values().iterator(); for (; it.hasNext(); ) { HashSet databases = (HashSet) it.next(); databases.remove(db); if (databases.isEmpty()) { it.remove(); ...
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Deregisters a server as serving a given database. Not yet used.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java#L449-L462
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java
DatabaseManager.registerServer
private static void registerServer(Server server, Database db) { if (!serverMap.containsKey(server)) { serverMap.put(server, new HashSet()); } HashSet databases = (HashSet) serverMap.get(server); databases.add(db); }
java
private static void registerServer(Server server, Database db) { if (!serverMap.containsKey(server)) { serverMap.put(server, new HashSet()); } HashSet databases = (HashSet) serverMap.get(server); databases.add(db); }
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Registers a server as serving a given database.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java#L467-L476
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java
DatabaseManager.notifyServers
private static void notifyServers(Database db) { Iterator it = serverMap.keySet().iterator(); for (; it.hasNext(); ) { Server server = (Server) it.next(); HashSet databases = (HashSet) serverMap.get(server); if (databases.contains(db)) { // A VoltDB extension t...
java
private static void notifyServers(Database db) { Iterator it = serverMap.keySet().iterator(); for (; it.hasNext(); ) { Server server = (Server) it.next(); HashSet databases = (HashSet) serverMap.get(server); if (databases.contains(db)) { // A VoltDB extension t...
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Notifies all servers that serve the database that the database has been shutdown.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java#L482-L499
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java
DatabaseManager.filePathToKey
private static String filePathToKey(String path) { try { return FileUtil.getDefaultInstance().canonicalPath(path); } catch (Exception e) { return path; } }
java
private static String filePathToKey(String path) { try { return FileUtil.getDefaultInstance().canonicalPath(path); } catch (Exception e) { return path; } }
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thrown exception to an HsqlException in the process
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/DatabaseManager.java#L526-L533
train
VoltDB/voltdb
src/frontend/org/voltdb/parser/SQLLexer.java
SQLLexer.isComment
public static boolean isComment(String sql) { Matcher commentMatcher = PAT_SINGLE_LINE_COMMENT.matcher(sql); return commentMatcher.matches(); }
java
public static boolean isComment(String sql) { Matcher commentMatcher = PAT_SINGLE_LINE_COMMENT.matcher(sql); return commentMatcher.matches(); }
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Check if a SQL string is a comment. @param sql SQL string @return true if it's a comment
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/parser/SQLLexer.java#L167-L171
train
VoltDB/voltdb
src/frontend/org/voltdb/parser/SQLLexer.java
SQLLexer.extractDDLToken
public static String extractDDLToken(String sql) { String ddlToken = null; Matcher ddlMatcher = PAT_ANY_DDL_FIRST_TOKEN.matcher(sql); if (ddlMatcher.find()) { ddlToken = ddlMatcher.group(1).toLowerCase(); } return ddlToken; }
java
public static String extractDDLToken(String sql) { String ddlToken = null; Matcher ddlMatcher = PAT_ANY_DDL_FIRST_TOKEN.matcher(sql); if (ddlMatcher.find()) { ddlToken = ddlMatcher.group(1).toLowerCase(); } return ddlToken; }
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Get the DDL token, if any, at the start of this statement. @return returns token, or null if it wasn't DDL
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/parser/SQLLexer.java#L187-L195
train
VoltDB/voltdb
src/frontend/org/voltdb/parser/SQLLexer.java
SQLLexer.extractDDLTableName
public static String extractDDLTableName(String sql) { Matcher matcher = PAT_TABLE_DDL_PREAMBLE.matcher(sql); if (matcher.find()) { return matcher.group(2).toLowerCase(); } return null; }
java
public static String extractDDLTableName(String sql) { Matcher matcher = PAT_TABLE_DDL_PREAMBLE.matcher(sql); if (matcher.find()) { return matcher.group(2).toLowerCase(); } return null; }
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Get the table name for a CREATE or DROP DDL statement. @return returns token, or null if the DDL isn't (CREATE|DROP) TABLE
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/parser/SQLLexer.java#L248-L255
train
VoltDB/voltdb
src/frontend/org/voltdb/parser/SQLLexer.java
SQLLexer.checkPermitted
public static String checkPermitted(String sql) { /* * IMPORTANT: Black-lists are checked first because they know more about * what they don't like about a statement and can provide a better message. * It requires that black-lists patterns be very selective and that they ...
java
public static String checkPermitted(String sql) { /* * IMPORTANT: Black-lists are checked first because they know more about * what they don't like about a statement and can provide a better message. * It requires that black-lists patterns be very selective and that they ...
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Naive filtering for stuff we haven't implemented yet. Hopefully this gets whittled away and eventually disappears. @param sql statement to check @return rejection explanation string or null if accepted
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/parser/SQLLexer.java#L264-L297
train
VoltDB/voltdb
src/frontend/org/voltdb/parser/SQLLexer.java
SQLLexer.matchesStringAtIndex
static private boolean matchesStringAtIndex(char[] buf, int index, String str) { int strLength = str.length(); if (index + strLength > buf.length) { return false; } for (int i = 0; i < strLength; ++i) { if (buf[index + i] != str.charAt(i)) { retur...
java
static private boolean matchesStringAtIndex(char[] buf, int index, String str) { int strLength = str.length(); if (index + strLength > buf.length) { return false; } for (int i = 0; i < strLength; ++i) { if (buf[index + i] != str.charAt(i)) { retur...
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Determine if a character buffer contains the specified string a the specified index. Avoids an array index exception if the buffer is too short. @param buf a character buffer @param index an offset into the buffer @param str the string to look for @return true if the buffer contains the specified string
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/parser/SQLLexer.java#L395-L408
train
VoltDB/voltdb
src/frontend/org/voltdb/parser/SQLLexer.java
SQLLexer.removeCStyleComments
private static String removeCStyleComments(String ddl) { // Avoid Apache commons StringUtils.join() to minimize client dependencies. StringBuilder sb = new StringBuilder(); for (String part : PAT_STRIP_CSTYLE_COMMENTS.split(ddl)) { sb.append(part); } return sb.toS...
java
private static String removeCStyleComments(String ddl) { // Avoid Apache commons StringUtils.join() to minimize client dependencies. StringBuilder sb = new StringBuilder(); for (String part : PAT_STRIP_CSTYLE_COMMENTS.split(ddl)) { sb.append(part); } return sb.toS...
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Remove c-style comments from a string aggressively
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/parser/SQLLexer.java#L677-L685
train
VoltDB/voltdb
src/frontend/org/voltdb/parser/SQLLexer.java
SQLLexer.findObjectToken
private static ObjectToken findObjectToken(String objectTypeName) { if (objectTypeName != null) { for (ObjectToken ot : OBJECT_TOKENS) { if (ot.token.equalsIgnoreCase(objectTypeName)) { return ot; } } } return null; ...
java
private static ObjectToken findObjectToken(String objectTypeName) { if (objectTypeName != null) { for (ObjectToken ot : OBJECT_TOKENS) { if (ot.token.equalsIgnoreCase(objectTypeName)) { return ot; } } } return null; ...
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Find information about an object type token, if it's a known object type. @param objectTypeName object type name to look up @return object token information or null if it wasn't found
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/parser/SQLLexer.java#L692-L702
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/TriggerDef.java
TriggerDef.pushPair
synchronized void pushPair(Session session, Object[] row1, Object[] row2) { if (maxRowsQueued == 0) { trigger.fire(triggerType, name.name, table.getName().name, row1, row2); return; } if (rowsQueued >= maxRowsQueued) { if (nowait) {...
java
synchronized void pushPair(Session session, Object[] row1, Object[] row2) { if (maxRowsQueued == 0) { trigger.fire(triggerType, name.name, table.getName().name, row1, row2); return; } if (rowsQueued >= maxRowsQueued) { if (nowait) {...
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The main thread tells the trigger thread to fire by this call. If this Trigger is not threaded then the fire method is caled immediately and executed by the main thread. Otherwise, the row data objects are added to the queue to be used by the Trigger thread. @param row1 @param row2
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/TriggerDef.java#L445-L473
train
VoltDB/voltdb
src/frontend/org/voltdb/compiler/PlannerTool.java
PlannerTool.planSqlCore
public synchronized CompiledPlan planSqlCore(String sql, StatementPartitioning partitioning) { TrivialCostModel costModel = new TrivialCostModel(); DatabaseEstimates estimates = new DatabaseEstimates(); CompiledPlan plan = null; // This try-with-resources block acquires a global lock on...
java
public synchronized CompiledPlan planSqlCore(String sql, StatementPartitioning partitioning) { TrivialCostModel costModel = new TrivialCostModel(); DatabaseEstimates estimates = new DatabaseEstimates(); CompiledPlan plan = null; // This try-with-resources block acquires a global lock on...
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Stripped down compile that is ONLY used to plan default procedures.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/compiler/PlannerTool.java#L147-L185
train
VoltDB/voltdb
src/frontend/org/voltdb/StatsAgent.java
StatsAgent.isReadOnlyProcedure
private boolean isReadOnlyProcedure(String pname) { final Boolean b = m_procedureInfo.get().get(pname); if (b == null) { return false; } return b; }
java
private boolean isReadOnlyProcedure(String pname) { final Boolean b = m_procedureInfo.get().get(pname); if (b == null) { return false; } return b; }
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Check if procedure is readonly? @param pname @return
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/StatsAgent.java#L118-L124
train
VoltDB/voltdb
src/frontend/org/voltdb/StatsAgent.java
StatsAgent.aggregateProcedureProfileStats
private VoltTable[] aggregateProcedureProfileStats(VoltTable[] baseStats) { if (baseStats == null || baseStats.length != 1) { return baseStats; } StatsProcProfTable timeTable = new StatsProcProfTable(); baseStats[0].resetRowPosition(); while (baseStats[0].advance...
java
private VoltTable[] aggregateProcedureProfileStats(VoltTable[] baseStats) { if (baseStats == null || baseStats.length != 1) { return baseStats; } StatsProcProfTable timeTable = new StatsProcProfTable(); baseStats[0].resetRowPosition(); while (baseStats[0].advance...
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Produce PROCEDUREPROFILE aggregation of PROCEDURE subselector
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/StatsAgent.java#L189-L223
train
VoltDB/voltdb
src/frontend/org/voltdb/StatsAgent.java
StatsAgent.aggregateProcedureInputStats
private VoltTable[] aggregateProcedureInputStats(VoltTable[] baseStats) { if (baseStats == null || baseStats.length != 1) { return baseStats; } StatsProcInputTable timeTable = new StatsProcInputTable(); baseStats[0].resetRowPosition(); while (baseStats[0].advance...
java
private VoltTable[] aggregateProcedureInputStats(VoltTable[] baseStats) { if (baseStats == null || baseStats.length != 1) { return baseStats; } StatsProcInputTable timeTable = new StatsProcInputTable(); baseStats[0].resetRowPosition(); while (baseStats[0].advance...
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Produce PROCEDUREINPUT aggregation of PROCEDURE subselector
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/StatsAgent.java#L227-L259
train
VoltDB/voltdb
src/frontend/org/voltdb/StatsAgent.java
StatsAgent.aggregateProcedureOutputStats
private VoltTable[] aggregateProcedureOutputStats(VoltTable[] baseStats) { if (baseStats == null || baseStats.length != 1) { return baseStats; } StatsProcOutputTable timeTable = new StatsProcOutputTable(); baseStats[0].resetRowPosition(); while (baseStats[0].adva...
java
private VoltTable[] aggregateProcedureOutputStats(VoltTable[] baseStats) { if (baseStats == null || baseStats.length != 1) { return baseStats; } StatsProcOutputTable timeTable = new StatsProcOutputTable(); baseStats[0].resetRowPosition(); while (baseStats[0].adva...
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Produce PROCEDUREOUTPUT aggregation of PROCEDURE subselector
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/StatsAgent.java#L265-L297
train
VoltDB/voltdb
src/frontend/org/voltdb/StatsAgent.java
StatsAgent.notifyOfCatalogUpdate
public void notifyOfCatalogUpdate() { m_procedureInfo = getProcedureInformationfoSupplier(); m_registeredStatsSources.put(StatsSelector.PROCEDURE, new NonBlockingHashMap<Long, NonBlockingHashSet<StatsSource>>()); }
java
public void notifyOfCatalogUpdate() { m_procedureInfo = getProcedureInformationfoSupplier(); m_registeredStatsSources.put(StatsSelector.PROCEDURE, new NonBlockingHashMap<Long, NonBlockingHashSet<StatsSource>>()); }
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Please be noted that this function will be called from Site thread, where most other functions in the class are from StatsAgent thread. Need to release references to catalog related stats sources to avoid hoarding references to the catalog.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/StatsAgent.java#L307-L311
train
VoltDB/voltdb
src/frontend/org/voltcore/agreement/AgreementTxnIdSafetyState.java
AgreementTxnIdSafetyState.addState
public void addState(long agreementHSId) { SiteState ss = m_stateBySite.get(agreementHSId); if (ss != null) return; ss = new SiteState(); ss.hsId = agreementHSId; ss.newestConfirmedTxnId = m_newestConfirmedTxnId; m_stateBySite.put(agreementHSId, ss); }
java
public void addState(long agreementHSId) { SiteState ss = m_stateBySite.get(agreementHSId); if (ss != null) return; ss = new SiteState(); ss.hsId = agreementHSId; ss.newestConfirmedTxnId = m_newestConfirmedTxnId; m_stateBySite.put(agreementHSId, ss); }
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Once a failed node is rejoined, put it's sites back into all of the data structures here. @param executorSiteId @param partitionId
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltcore/agreement/AgreementTxnIdSafetyState.java#L107-L114
train
VoltDB/voltdb
src/frontend/org/voltdb/iv2/Scoreboard.java
Scoreboard.pollFirstCompletionTask
public Pair<CompleteTransactionTask, Boolean> pollFirstCompletionTask(CompletionCounter nextTaskCounter) { // remove from the head Pair<CompleteTransactionTask, Boolean> pair = m_compTasks.pollFirstEntry().getValue(); if (m_compTasks.isEmpty()) { return pair; } // ch...
java
public Pair<CompleteTransactionTask, Boolean> pollFirstCompletionTask(CompletionCounter nextTaskCounter) { // remove from the head Pair<CompleteTransactionTask, Boolean> pair = m_compTasks.pollFirstEntry().getValue(); if (m_compTasks.isEmpty()) { return pair; } // ch...
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Remove the CompleteTransactionTask from the head and count the next CompleteTransactionTask @param nextTaskCounter CompletionCounter @return the removed CompleteTransactionTask
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/iv2/Scoreboard.java#L75-L94
train
VoltDB/voltdb
src/frontend/org/voltdb/iv2/Scoreboard.java
Scoreboard.isComparable
private static boolean isComparable(CompleteTransactionTask c1, CompleteTransactionTask c2) { return c1.getMsgTxnId() == c2.getMsgTxnId() && MpRestartSequenceGenerator.isForRestart(c1.getTimestamp()) == MpRestartSequenceGenerator.isForRestart(c2.getTimestamp()); }
java
private static boolean isComparable(CompleteTransactionTask c1, CompleteTransactionTask c2) { return c1.getMsgTxnId() == c2.getMsgTxnId() && MpRestartSequenceGenerator.isForRestart(c1.getTimestamp()) == MpRestartSequenceGenerator.isForRestart(c2.getTimestamp()); }
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4) restart completion and repair completion can't overwrite each other
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/iv2/Scoreboard.java#L123-L127
train
VoltDB/voltdb
src/frontend/org/voltdb/iv2/Scoreboard.java
Scoreboard.matchCompleteTransactionTask
public boolean matchCompleteTransactionTask(long txnId, long timestamp) { if (!m_compTasks.isEmpty()) { long lowestTxnId = m_compTasks.firstKey(); if (txnId == lowestTxnId) { Pair<CompleteTransactionTask, Boolean> pair = m_compTasks.get(lowestTxnId); retur...
java
public boolean matchCompleteTransactionTask(long txnId, long timestamp) { if (!m_compTasks.isEmpty()) { long lowestTxnId = m_compTasks.firstKey(); if (txnId == lowestTxnId) { Pair<CompleteTransactionTask, Boolean> pair = m_compTasks.get(lowestTxnId); retur...
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Only match CompleteTransactionTask at head of the queue
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/iv2/Scoreboard.java#L144-L153
train
VoltDB/voltdb
src/frontend/org/voltdb/DRRoleStats.java
DRRoleStats.aggregateStats
public static VoltTable aggregateStats(VoltTable stats) throws IllegalArgumentException { stats.resetRowPosition(); if (stats.getRowCount() == 0) { return stats; } String role = null; Map<Byte, State> states = new TreeMap<>(); while (stats.advanceRow()) {...
java
public static VoltTable aggregateStats(VoltTable stats) throws IllegalArgumentException { stats.resetRowPosition(); if (stats.getRowCount() == 0) { return stats; } String role = null; Map<Byte, State> states = new TreeMap<>(); while (stats.advanceRow()) {...
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Aggregates DRROLE statistics reported by multiple nodes into a single cluster-wide row. The role column should be the same across all nodes. The state column may defer slightly and it uses the same logical AND-ish operation to combine the states. This method modifies the VoltTable in place. @param stats Statistics fro...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/DRRoleStats.java#L169-L202
train
VoltDB/voltdb
src/frontend/org/voltdb/jdbc/Resources.java
Resources.getString
public static String getString(String key) { if (RESOURCE_BUNDLE == null) throw new RuntimeException("Localized messages from resource bundle '" + BUNDLE_NAME + "' not loaded during initialization of driver."); try { if (key == null) throw new Illegal...
java
public static String getString(String key) { if (RESOURCE_BUNDLE == null) throw new RuntimeException("Localized messages from resource bundle '" + BUNDLE_NAME + "' not loaded during initialization of driver."); try { if (key == null) throw new Illegal...
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Returns the localized message for the given message key @param key the message key @return The localized message for the key
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/jdbc/Resources.java#L64-L84
train
VoltDB/voltdb
src/frontend/org/voltdb/sysprocs/saverestore/SnapshotWritePlan.java
SnapshotWritePlan.createAllDevNullTargets
public void createAllDevNullTargets(Exception lastWriteException) { Map<Integer, SnapshotDataTarget> targets = Maps.newHashMap(); final AtomicInteger numTargets = new AtomicInteger(); for (Deque<SnapshotTableTask> tasksForSite : m_taskListsForHSIds.values()) { for (SnapshotTable...
java
public void createAllDevNullTargets(Exception lastWriteException) { Map<Integer, SnapshotDataTarget> targets = Maps.newHashMap(); final AtomicInteger numTargets = new AtomicInteger(); for (Deque<SnapshotTableTask> tasksForSite : m_taskListsForHSIds.values()) { for (SnapshotTable...
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In case the deferred setup phase fails, some data targets may have not been created yet. This method will close all existing data targets and replace all with DevNullDataTargets so that snapshot can be drained.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/sysprocs/saverestore/SnapshotWritePlan.java#L170-L203
train
VoltDB/voltdb
src/frontend/org/voltdb/sysprocs/UpdateCore.java
UpdateCore.collapseSets
private Map<String, Boolean> collapseSets(List<List<String>> allTableSets) { Map<String, Boolean> answer = new TreeMap<>(); for (List<String> tables : allTableSets) { for (String table : tables) { answer.put(table, false); } } return answer; }
java
private Map<String, Boolean> collapseSets(List<List<String>> allTableSets) { Map<String, Boolean> answer = new TreeMap<>(); for (List<String> tables : allTableSets) { for (String table : tables) { answer.put(table, false); } } return answer; }
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Take a list of list of table names and collapse into a map which maps all table names to false. We will set the correct values later on. We just want to get the structure right now. Note that tables may be named multiple time in the lists of lists of tables. Everything gets mapped to false, so we don't care. @param...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/sysprocs/UpdateCore.java#L183-L191
train
VoltDB/voltdb
src/frontend/org/voltdb/sysprocs/UpdateCore.java
UpdateCore.decodeTables
private List<List<String>> decodeTables(String[] tablesThatMustBeEmpty) { List<List<String>> answer = new ArrayList<>(); for (String tableSet : tablesThatMustBeEmpty) { String tableNames[] = tableSet.split("\\+"); answer.add(Arrays.asList(tableNames)); } return an...
java
private List<List<String>> decodeTables(String[] tablesThatMustBeEmpty) { List<List<String>> answer = new ArrayList<>(); for (String tableSet : tablesThatMustBeEmpty) { String tableNames[] = tableSet.split("\\+"); answer.add(Arrays.asList(tableNames)); } return an...
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Decode sets of names encoded as by concatenation with plus signs into lists of lists of strings. Preserve the order, since we need it to match to error messages later on. @param tablesThatMustBeEmpty @return The decoded lists.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/sysprocs/UpdateCore.java#L201-L208
train
VoltDB/voltdb
src/frontend/org/voltdb/sysprocs/Shutdown.java
Shutdown.run
public VoltTable[] run(SystemProcedureExecutionContext ctx) { createAndExecuteSysProcPlan(SysProcFragmentId.PF_shutdownSync, SysProcFragmentId.PF_shutdownSyncDone); SynthesizedPlanFragment pfs[] = new SynthesizedPlanFragment[] { new SynthesizedPlanFragment(SysProcFragmentId.PF_shutdownC...
java
public VoltTable[] run(SystemProcedureExecutionContext ctx) { createAndExecuteSysProcPlan(SysProcFragmentId.PF_shutdownSync, SysProcFragmentId.PF_shutdownSyncDone); SynthesizedPlanFragment pfs[] = new SynthesizedPlanFragment[] { new SynthesizedPlanFragment(SysProcFragmentId.PF_shutdownC...
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Begin an un-graceful shutdown. @param ctx Internal parameter not exposed to the end-user. @return Never returned, no he never returned...
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/sysprocs/Shutdown.java#L126-L134
train
VoltDB/voltdb
src/frontend/org/voltdb/jdbc/JDBC4ClientConnection.java
JDBC4ClientConnection.drain
public void drain() throws InterruptedException, IOException { ClientImpl currentClient = this.getClient(); if (currentClient == null) { throw new IOException("Client is unavailable for drain()."); } currentClient.drain(); }
java
public void drain() throws InterruptedException, IOException { ClientImpl currentClient = this.getClient(); if (currentClient == null) { throw new IOException("Client is unavailable for drain()."); } currentClient.drain(); }
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Block the current thread until all queued stored procedure invocations have received responses or there are no more connections to the cluster @throws InterruptedException @throws IOException @see Client#drain()
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/jdbc/JDBC4ClientConnection.java#L503-L509
train
VoltDB/voltdb
src/frontend/org/voltdb/jdbc/JDBC4ClientConnection.java
JDBC4ClientConnection.backpressureBarrier
public void backpressureBarrier() throws InterruptedException, IOException { ClientImpl currentClient = this.getClient(); if (currentClient == null) { throw new IOException("Client is unavailable for backpressureBarrier()."); } currentClient.backpressureBarrier(); }
java
public void backpressureBarrier() throws InterruptedException, IOException { ClientImpl currentClient = this.getClient(); if (currentClient == null) { throw new IOException("Client is unavailable for backpressureBarrier()."); } currentClient.backpressureBarrier(); }
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Blocks the current thread until there is no more backpressure or there are no more connections to the database @throws InterruptedException @throws IOException
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/jdbc/JDBC4ClientConnection.java#L518-L524
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/navigator/RowSetNavigator.java
RowSetNavigator.absolute
public boolean absolute(int position) { if (position < 0) { position += size; } if (position < 0) { beforeFirst(); return false; } if (position > size) { afterLast(); return false; } if (size == 0) ...
java
public boolean absolute(int position) { if (position < 0) { position += size; } if (position < 0) { beforeFirst(); return false; } if (position > size) { afterLast(); return false; } if (size == 0) ...
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Uses similar semantics to java.sql.ResultSet except this is 0 based. When position is 0 or positive, it is from the start; when negative, it is from end
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/navigator/RowSetNavigator.java#L215-L247
train
VoltDB/voltdb
src/frontend/org/voltdb/client/exampleutils/AppHelper.java
AppHelper.printErrorAndQuit
private void printErrorAndQuit(String message) { System.out.println(message + "\n-------------------------------------------------------------------------------------\n"); printUsage(); System.exit(-1); }
java
private void printErrorAndQuit(String message) { System.out.println(message + "\n-------------------------------------------------------------------------------------\n"); printUsage(); System.exit(-1); }
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Prints out an error message and the application usage print-out, then terminates the application.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/client/exampleutils/AppHelper.java#L219-L224
train
VoltDB/voltdb
src/frontend/org/voltdb/client/exampleutils/AppHelper.java
AppHelper.printActualUsage
public AppHelper printActualUsage() { System.out.println("-------------------------------------------------------------------------------------"); int maxLength = 24; for(Argument a : Arguments) if (maxLength < a.Name.length()) maxLength = a.Name.length(); ...
java
public AppHelper printActualUsage() { System.out.println("-------------------------------------------------------------------------------------"); int maxLength = 24; for(Argument a : Arguments) if (maxLength < a.Name.length()) maxLength = a.Name.length(); ...
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Prints a full list of actual arguments that will be used by the application after interpretation of defaults and actual argument values as passed by the user on the command line. @return reference to this application helper, allowing command-chaining.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/client/exampleutils/AppHelper.java#L231-L246
train
VoltDB/voltdb
src/frontend/org/voltdb/client/exampleutils/AppHelper.java
AppHelper.byteValue
public byte byteValue(String name) { try { return Byte.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
java
public byte byteValue(String name) { try { return Byte.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
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Retrieves the value of an argument as a byte. @param name the (case-sensitive) name of the argument to retrieve. @return the value of the argument cast as a byte. Will terminate the application if a required argument is found missing or the casting call fails, printing out detailed usage.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/client/exampleutils/AppHelper.java#L330-L345
train
VoltDB/voltdb
src/frontend/org/voltdb/client/exampleutils/AppHelper.java
AppHelper.shortValue
public short shortValue(String name) { try { return Short.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
java
public short shortValue(String name) { try { return Short.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
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Retrieves the value of an argument as a short. @param name the (case-sensitive) name of the argument to retrieve. @return the value of the argument cast as a short. Will terminate the application if a required argument is found missing or the casting call fails, printing out detailed usage.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/client/exampleutils/AppHelper.java#L353-L368
train
VoltDB/voltdb
src/frontend/org/voltdb/client/exampleutils/AppHelper.java
AppHelper.intValue
public int intValue(String name) { try { return Integer.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
java
public int intValue(String name) { try { return Integer.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
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Retrieves the value of an argument as a int. @param name the (case-sensitive) name of the argument to retrieve. @return the value of the argument cast as a int. Will terminate the application if a required argument is found missing or the casting call fails, printing out detailed usage.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/client/exampleutils/AppHelper.java#L376-L391
train
VoltDB/voltdb
src/frontend/org/voltdb/client/exampleutils/AppHelper.java
AppHelper.longValue
public long longValue(String name) { try { return Long.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
java
public long longValue(String name) { try { return Long.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
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Retrieves the value of an argument as a long. @param name the (case-sensitive) name of the argument to retrieve. @return the value of the argument cast as a long. Will terminate the application if a required argument is found missing or the casting call fails, printing out detailed usage.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/client/exampleutils/AppHelper.java#L399-L414
train
VoltDB/voltdb
src/frontend/org/voltdb/client/exampleutils/AppHelper.java
AppHelper.doubleValue
public double doubleValue(String name) { try { return Double.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x...
java
public double doubleValue(String name) { try { return Double.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x...
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Retrieves the value of an argument as a double. @param name the (case-sensitive) name of the argument to retrieve. @return the value of the argument cast as a double. Will terminate the application if a required argument is found missing or the casting call fails, printing out detailed usage.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/client/exampleutils/AppHelper.java#L422-L437
train
VoltDB/voltdb
src/frontend/org/voltdb/client/exampleutils/AppHelper.java
AppHelper.stringValue
public String stringValue(String name) { try { return this.getArgumentByName(name).Value; } catch(Exception npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } return null; // We will never get here: prin...
java
public String stringValue(String name) { try { return this.getArgumentByName(name).Value; } catch(Exception npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } return null; // We will never get here: prin...
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Retrieves the value of an argument as a string. @param name the (case-sensitive) name of the argument to retrieve. @return the value of the argument as a string (as passed on the command line). Will terminate the application if a required argument is found missing, printing out detailed usage.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/client/exampleutils/AppHelper.java#L445-L456
train
VoltDB/voltdb
src/frontend/org/voltdb/client/exampleutils/AppHelper.java
AppHelper.booleanValue
public boolean booleanValue(String name) { try { return Boolean.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exceptio...
java
public boolean booleanValue(String name) { try { return Boolean.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exceptio...
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Retrieves the value of an argument as a boolean. @param name the (case-sensitive) name of the argument to retrieve. @return the value of the argument cast as a boolean. Will terminate the application if a required argument is found missing or the casting call fails, printing out detailed usage.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/client/exampleutils/AppHelper.java#L464-L479
train
VoltDB/voltdb
src/hsqldb19b3/org/hsqldb_voltpatches/util/Tree.java
Tree.setBounds
public void setBounds(int x, int y, int w, int h) { super.setBounds(x, y, w, h); iSbHeight = sbHoriz.getPreferredSize().height; iSbWidth = sbVert.getPreferredSize().width; iHeight = h - iSbHeight; iWidth = w - iSbWidth; sbHoriz.setBounds(0, iHeight, iWidth, iSbHe...
java
public void setBounds(int x, int y, int w, int h) { super.setBounds(x, y, w, h); iSbHeight = sbHoriz.getPreferredSize().height; iSbWidth = sbVert.getPreferredSize().width; iHeight = h - iSbHeight; iWidth = w - iSbWidth; sbHoriz.setBounds(0, iHeight, iWidth, iSbHe...
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with additional replacement of deprecated methods
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/hsqldb19b3/org/hsqldb_voltpatches/util/Tree.java#L167-L183
train
VoltDB/voltdb
src/frontend/org/voltdb/utils/VoltTrace.java
VoltTrace.write
private String write(String logDir) throws IOException, ExecutionException, InterruptedException { final File file = new File(logDir, "trace_" + System.currentTimeMillis() + ".json.gz"); if (file.exists()) { throw new IOException("Trace file " + file.getAbsolutePath() + " already exists"); ...
java
private String write(String logDir) throws IOException, ExecutionException, InterruptedException { final File file = new File(logDir, "trace_" + System.currentTimeMillis() + ".json.gz"); if (file.exists()) { throw new IOException("Trace file " + file.getAbsolutePath() + " already exists"); ...
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Write the events in the queue to file. @param logDir The directory to write the file to. @return The file path if successfully written, or null if the there is already a write in progress.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/utils/VoltTrace.java#L394-L413
train
VoltDB/voltdb
src/frontend/org/voltdb/utils/VoltTrace.java
VoltTrace.log
public static TraceEventBatch log(Category cat) { final VoltTrace tracer = s_tracer; if (tracer != null && tracer.isCategoryEnabled(cat)) { final TraceEventBatch batch = new TraceEventBatch(cat); tracer.queueEvent(batch); return batch; } else { ret...
java
public static TraceEventBatch log(Category cat) { final VoltTrace tracer = s_tracer; if (tracer != null && tracer.isCategoryEnabled(cat)) { final TraceEventBatch batch = new TraceEventBatch(cat); tracer.queueEvent(batch); return batch; } else { ret...
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Create a trace event batch for the given category. The events that go into this batch should all originate from the same thread. @param cat The category to write the events to. @return The batch object to add events to, or null if trace logging for the category is not enabled.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/utils/VoltTrace.java#L443-L452
train
VoltDB/voltdb
src/frontend/org/voltdb/utils/VoltTrace.java
VoltTrace.closeAllAndShutdown
public static String closeAllAndShutdown(String logDir, long timeOutMillis) throws IOException { String path = null; final VoltTrace tracer = s_tracer; if (tracer != null) { if (logDir != null) { path = dump(logDir); } s_tracer = null; ...
java
public static String closeAllAndShutdown(String logDir, long timeOutMillis) throws IOException { String path = null; final VoltTrace tracer = s_tracer; if (tracer != null) { if (logDir != null) { path = dump(logDir); } s_tracer = null; ...
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Close all open files and wait for shutdown. @param logDir The directory to write the trace events to, null to skip writing to file. @param timeOutMillis Timeout in milliseconds. Negative to not wait @return The path to the trace file if written, or null if a write is already in progress.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/utils/VoltTrace.java#L515-L538
train
VoltDB/voltdb
src/frontend/org/voltdb/utils/VoltTrace.java
VoltTrace.start
private static synchronized void start() throws IOException { if (s_tracer == null) { final VoltTrace tracer = new VoltTrace(); final Thread thread = new Thread(tracer); thread.setDaemon(true); thread.start(); s_tracer = tracer; } }
java
private static synchronized void start() throws IOException { if (s_tracer == null) { final VoltTrace tracer = new VoltTrace(); final Thread thread = new Thread(tracer); thread.setDaemon(true); thread.start(); s_tracer = tracer; } }
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Creates and starts a new tracer. If one already exists, this is a no-op. Synchronized to prevent multiple threads enabling it at the same time.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/utils/VoltTrace.java#L545-L553
train
VoltDB/voltdb
src/frontend/org/voltdb/utils/VoltTrace.java
VoltTrace.dump
public static String dump(String logDir) throws IOException { String path = null; final VoltTrace tracer = s_tracer; if (tracer != null) { final File dir = new File(logDir); if (!dir.getParentFile().canWrite() || !dir.getParentFile().canExecute()) { throw...
java
public static String dump(String logDir) throws IOException { String path = null; final VoltTrace tracer = s_tracer; if (tracer != null) { final File dir = new File(logDir); if (!dir.getParentFile().canWrite() || !dir.getParentFile().canExecute()) { throw...
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Write all trace events in the queue to file. @return The file path if written successfully, or null if a write is already in progress.
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8afc1031e475835344b5497ea9e7203bc95475ac
https://github.com/VoltDB/voltdb/blob/8afc1031e475835344b5497ea9e7203bc95475ac/src/frontend/org/voltdb/utils/VoltTrace.java#L559-L583
train