idx int64 0 165k | question stringlengths 73 4.15k | target stringlengths 5 918 | len_question int64 21 890 | len_target int64 3 255 |
|---|---|---|---|---|
154,700 | private static < E > ListIterator < E > constrainedListIterator ( ListIterator < E > listIterator , Constraint < ? super E > constraint ) { return new ConstrainedListIterator < E > ( listIterator , constraint ) ; } | Returns a constrained view of the specified list iterator using the specified constraint . Any operations that would add new elements to the underlying list will be verified by the constraint . | 51 | 32 |
154,701 | public final Index createIndex ( PersistentStore store , HsqlName name , int [ ] columns , boolean [ ] descending , boolean [ ] nullsLast , boolean unique , boolean migrating , boolean constraint , boolean forward ) { Index newIndex = createAndAddIndexStructure ( name , columns , descending , nullsLast , unique , migra... | Create new memory - resident index . For MEMORY and TEXT tables . | 81 | 14 |
154,702 | public Type getCombinedType ( Type other , int operation ) { if ( operation != OpTypes . CONCAT ) { return getAggregateType ( other ) ; } Type newType ; long newPrecision = precision + other . precision ; switch ( other . typeCode ) { case Types . SQL_ALL_TYPES : return this ; case Types . SQL_BIT : newType = this ; br... | Returns type for concat | 234 | 5 |
154,703 | public VoltTable [ ] run ( SystemProcedureExecutionContext ctx ) { // Choose the lowest site ID on this host to actually flip the bit if ( ctx . isLowestSiteId ( ) ) { VoltDBInterface voltdb = VoltDB . instance ( ) ; OperationMode opMode = voltdb . getMode ( ) ; if ( LOG . isDebugEnabled ( ) ) { LOG . debug ( "voltdb o... | Enter admin mode | 639 | 3 |
154,704 | @ Override public void setGeneratedColumnInfo ( int generate , ResultMetaData meta ) { // can support INSERT_SELECT also if ( type != StatementTypes . INSERT ) { return ; } int colIndex = baseTable . getIdentityColumnIndex ( ) ; if ( colIndex == - 1 ) { return ; } switch ( generate ) { case ResultConstants . RETURN_NO_... | For the creation of the statement | 371 | 6 |
154,705 | void checkAccessRights ( Session session ) { if ( targetTable != null && ! targetTable . isTemp ( ) ) { targetTable . checkDataReadOnly ( ) ; session . checkReadWrite ( ) ; } if ( session . isAdmin ( ) ) { return ; } for ( int i = 0 ; i < sequences . length ; i ++ ) { session . getGrantee ( ) . checkAccess ( sequences ... | Determines if the authorizations are adequate to execute the compiled object . Completion requires the list of all database objects in a compiled statement . | 408 | 29 |
154,706 | @ Override public ResultMetaData getResultMetaData ( ) { switch ( type ) { case StatementTypes . DELETE_WHERE : case StatementTypes . INSERT : case StatementTypes . UPDATE_WHERE : case StatementTypes . MIGRATE_WHERE : return ResultMetaData . emptyResultMetaData ; default : throw Error . runtimeError ( ErrorCode . U_S05... | Returns the metadata which is empty if the CompiledStatement does not generate a Result . | 97 | 17 |
154,707 | @ Override public String describe ( Session session ) { try { return describeImpl ( session ) ; } catch ( Exception e ) { e . printStackTrace ( ) ; return e . toString ( ) ; } } | Retrieves a String representation of this object . | 46 | 10 |
154,708 | static boolean isGroupByColumn ( QuerySpecification select , int index ) { if ( ! select . isGrouped ) { return false ; } for ( int ii = 0 ; ii < select . groupIndex . getColumnCount ( ) ; ii ++ ) { if ( index == select . groupIndex . getColumns ( ) [ ii ] ) { return true ; } } return false ; } | Returns true if the specified exprColumn index is in the list of column indices specified by groupIndex | 82 | 19 |
154,709 | private static List < Expression > getDisplayColumnsForSetOp ( QueryExpression queryExpr ) { assert ( queryExpr != null ) ; if ( queryExpr . getLeftQueryExpression ( ) == null ) { // end of recursion. This is a QuerySpecification assert ( queryExpr instanceof QuerySpecification ) ; QuerySpecification select = ( QuerySp... | Return a list of the display columns for the left most statement from a set op | 123 | 16 |
154,710 | protected static List < VoltXMLElement > voltGetLimitOffsetXMLFromSortAndSlice ( Session session , SortAndSlice sortAndSlice ) throws HSQLParseException { List < VoltXMLElement > result = new ArrayList <> ( ) ; if ( sortAndSlice == null || sortAndSlice == SortAndSlice . noSort ) { return result ; } if ( sortAndSlice . ... | return a list of VoltXMLElements that need to be added to the statement XML for LIMIT and OFFSET | 551 | 24 |
154,711 | public static Object getObjectFromString ( VoltType type , String value ) throws ParseException { Object ret = null ; switch ( type ) { // NOTE: All runtime integer parameters are actually Longs,so we will have problems // if we actually try to convert the object to one of the smaller numeric sizes // -----------------... | Returns a casted object of the input value string based on the given type | 412 | 15 |
154,712 | public static VoltType getNumericLiteralType ( VoltType vt , String value ) { try { Long . parseLong ( value ) ; } catch ( NumberFormatException e ) { // Our DECIMAL may not be bigger/smaller enough to store the constant value return VoltType . DECIMAL ; } return vt ; } | If the type is NUMERIC from hsqldb VoltDB has to decide its real type . It s either INTEGER or DECIMAL according to the SQL Standard . Thanks for Hsqldb 1 . 9 FLOAT literal values have been handled well with E sign . | 72 | 59 |
154,713 | private static void writeLength ( ByteBuffer buf , int length ) { assert ( length >= 0 ) ; assert ( length == ( length & ( ~ length + 1 ) ) ) ; // check if power of two // shockingly fast log_2 uses intrinsics in JDK >= 1.7 byte log2size = ( byte ) ( 32 - Integer . numberOfLeadingZeros ( length ) ) ; buf . put ( log2si... | Over - clever way to store lots of lengths in a single byte Length must be a power of two > = 0 . | 93 | 24 |
154,714 | public OpsAgent getAgent ( OpsSelector selector ) { OpsAgent agent = m_agents . get ( selector ) ; assert ( agent != null ) ; return agent ; } | Return the OpsAgent for the specified selector . | 36 | 9 |
154,715 | public void shutdown ( ) { for ( Entry < OpsSelector , OpsAgent > entry : m_agents . entrySet ( ) ) { try { entry . getValue ( ) . shutdown ( ) ; } catch ( InterruptedException e ) { } } m_agents . clear ( ) ; } | Shutdown all the OpsAgent s executor services . Should be possible to eventually consolidate all of them into a single executor service . | 62 | 27 |
154,716 | public String add ( ProcedureDescriptor descriptor ) throws VoltCompilerException { assert descriptor != null ; String className = descriptor . m_className ; assert className != null && ! className . trim ( ) . isEmpty ( ) ; String shortName = deriveShortProcedureName ( className ) ; if ( m_procedureMap . containsKey (... | Tracks the given procedure descriptor if it is not already tracked | 138 | 12 |
154,717 | public void removeProcedure ( String procName , boolean ifExists ) throws VoltCompilerException { assert procName != null && ! procName . trim ( ) . isEmpty ( ) ; String shortName = deriveShortProcedureName ( procName ) ; if ( m_procedureMap . containsKey ( shortName ) ) { m_procedureMap . remove ( shortName ) ; } else... | Searches for and removes the Procedure provided in prior DDL statements | 132 | 14 |
154,718 | public void addProcedurePartitionInfoTo ( String procedureName , ProcedurePartitionData data ) throws VoltCompilerException { ProcedureDescriptor descriptor = m_procedureMap . get ( procedureName ) ; if ( descriptor == null ) { throw m_compiler . new VoltCompilerException ( String . format ( "Partition references an un... | Associates the given partition info to the given tracked procedure | 229 | 12 |
154,719 | void addExportedTable ( String tableName , String targetName , boolean isStream ) { assert tableName != null && ! tableName . trim ( ) . isEmpty ( ) ; assert targetName != null && ! targetName . trim ( ) . isEmpty ( ) ; // store uppercase in the catalog as typename targetName = targetName . toUpperCase ( ) ; if ( isStr... | Track an exported table | 188 | 4 |
154,720 | static < E > ImmutableList < E > asImmutableList ( Object [ ] elements , int length ) { switch ( length ) { case 0 : return of ( ) ; case 1 : @ SuppressWarnings ( "unchecked" ) // collection had only Es in it ImmutableList < E > list = new SingletonImmutableList < E > ( ( E ) elements [ 0 ] ) ; return list ; default : ... | Views the array as an immutable list . Copies if the specified range does not cover the complete array . Does not check for nulls . | 127 | 29 |
154,721 | @ CanIgnoreReturnValue // TODO(kak): Consider removing this public < E extends T > E min ( Iterable < E > iterable ) { return min ( iterable . iterator ( ) ) ; } | Returns the least of the specified values according to this ordering . If there are multiple least values the first of those is returned . | 46 | 25 |
154,722 | static long calculateAverage ( long currAvg , long currInvoc , long rowAvg , long rowInvoc ) { long currTtl = currAvg * currInvoc ; long rowTtl = rowAvg * rowInvoc ; // If both are 0, then currTtl, rowTtl are also 0. if ( ( currInvoc + rowInvoc ) == 0L ) { return 0L ; } else { return ( currTtl + rowTtl ) / ( currInvoc ... | Given a running average and the running invocation total as well as a new row s average and invocation total return a new running average | 121 | 25 |
154,723 | static void addToRecentConnectionSettings ( Hashtable settings , ConnectionSetting newSetting ) throws IOException { settings . put ( newSetting . getName ( ) , newSetting ) ; ConnectionDialogCommon . storeRecentConnectionSettings ( settings ) ; } | Adds the new settings name if it does not nexist or overwrites the old one . | 50 | 19 |
154,724 | private static void storeRecentConnectionSettings ( Hashtable settings ) { try { if ( recentSettings == null ) { setHomeDir ( ) ; if ( homedir == null ) { return ; } recentSettings = new File ( homedir , fileName ) ; if ( ! recentSettings . exists ( ) ) { // recentSettings.createNewFile(); } } if ( settings == null || ... | Here s a non - secure method of storing recent connection settings . | 201 | 13 |
154,725 | static void deleteRecentConnectionSettings ( ) { try { if ( recentSettings == null ) { setHomeDir ( ) ; if ( homedir == null ) { return ; } recentSettings = new File ( homedir , fileName ) ; } if ( ! recentSettings . exists ( ) ) { recentSettings = null ; return ; } recentSettings . delete ( ) ; recentSettings = null ;... | Removes the recent connection settings file store . | 93 | 9 |
154,726 | public Map < Integer , ClientAffinityStats > getAffinityStats ( ) { Map < Integer , ClientAffinityStats > retval = new TreeMap < Integer , ClientAffinityStats > ( ) ; for ( Entry < Integer , ClientAffinityStats > e : m_currentAffinity . entrySet ( ) ) { if ( m_baselineAffinity . containsKey ( e . getKey ( ) ) ) { retva... | Get the client affinity stats . Will only be populated if client affinity is enabled . | 174 | 16 |
154,727 | public ClientAffinityStats getAggregateAffinityStats ( ) { long afWrites = 0 ; long afReads = 0 ; long rrWrites = 0 ; long rrReads = 0 ; Map < Integer , ClientAffinityStats > affinityStats = getAffinityStats ( ) ; for ( Entry < Integer , ClientAffinityStats > e : affinityStats . entrySet ( ) ) { afWrites += e . getValu... | Roll up the per - partition affinity stats and return the totals for each of the four categories . Will only be populated if client affinity is enabled . | 207 | 29 |
154,728 | public static HSQLDDLInfo preprocessHSQLDDL ( String ddl ) { ddl = SQLLexer . stripComments ( ddl ) ; Matcher matcher = HSQL_DDL_PREPROCESSOR . matcher ( ddl ) ; if ( matcher . find ( ) ) { String verbString = matcher . group ( "verb" ) ; HSQLDDLInfo . Verb verb = HSQLDDLInfo . Verb . get ( verbString ) ; if ( verb == ... | Glean some basic info about DDL statements sent to HSQLDB | 471 | 14 |
154,729 | public void doRestart ( List < Long > masters , Map < Integer , Long > partitionMasters ) { List < Long > copy = new ArrayList < Long > ( masters ) ; m_restartMasters . set ( copy ) ; m_restartMastersMap . set ( Maps . newHashMap ( partitionMasters ) ) ; } | Update the list of partition masters to be used when this transaction is restarted . Currently thread - safe because we call this before poisoning the MP Transaction to restart it and only do this sequentially from the repairing thread . | 74 | 43 |
154,730 | public boolean activate ( SystemProcedureExecutionContext context , boolean undo , byte [ ] predicates ) { if ( ! context . activateTableStream ( m_tableId , m_type , undo , predicates ) ) { String tableName = CatalogUtil . getTableNameFromId ( context . getDatabase ( ) , m_tableId ) ; log . debug ( "Attempted to activ... | Activate the stream with the given predicates on the given table . | 117 | 14 |
154,731 | public Pair < ListenableFuture < ? > , Boolean > streamMore ( SystemProcedureExecutionContext context , List < DBBPool . BBContainer > outputBuffers , int [ ] rowCountAccumulator ) { ListenableFuture < ? > writeFuture = null ; prepareBuffers ( outputBuffers ) ; Pair < Long , int [ ] > serializeResult = context . tableS... | Streams more tuples from the table . | 362 | 9 |
154,732 | private void prepareBuffers ( List < DBBPool . BBContainer > buffers ) { Preconditions . checkArgument ( buffers . size ( ) == m_tableTasks . size ( ) ) ; UnmodifiableIterator < SnapshotTableTask > iterator = m_tableTasks . iterator ( ) ; for ( DBBPool . BBContainer container : buffers ) { int headerSize = iterator . n... | Set the positions of the buffers to the start of the content leaving some room for the headers . | 127 | 19 |
154,733 | private ListenableFuture < ? > writeBlocksToTargets ( Collection < DBBPool . BBContainer > outputBuffers , int [ ] serialized ) { Preconditions . checkArgument ( m_tableTasks . size ( ) == serialized . length ) ; Preconditions . checkArgument ( outputBuffers . size ( ) == serialized . length ) ; final List < Listenable... | Finalize the output buffers and write them to the corresponding data targets | 397 | 13 |
154,734 | public void recordValue ( final long value ) throws ArrayIndexOutOfBoundsException { long criticalValueAtEnter = recordingPhaser . writerCriticalSectionEnter ( ) ; try { activeHistogram . recordValue ( value ) ; } finally { recordingPhaser . writerCriticalSectionExit ( criticalValueAtEnter ) ; } } | Record a value | 67 | 3 |
154,735 | public static < K , V > HashBiMap < K , V > create ( int expectedSize ) { return new HashBiMap < K , V > ( expectedSize ) ; } | Constructs a new empty bimap with the specified expected size . | 38 | 14 |
154,736 | public void repairSurvivors ( ) { // cancel() and repair() must be synchronized by the caller (the deliver lock, // currently). If cancelled and the last repair message arrives, don't send // out corrections! if ( this . m_promotionResult . isCancelled ( ) ) { repairLogger . debug ( m_whoami + "Skipping repair message ... | Send missed - messages to survivors . | 549 | 7 |
154,737 | void init ( ResultMetaData meta , HsqlProperties props ) throws SQLException { resultMetaData = meta ; columnCount = resultMetaData . getColumnCount ( ) ; // fredt - props is null for internal connections, so always use the // default behaviour in this case // JDBCDriver.getPropertyInfo says // default is true useColum... | Initializes this JDBCResultSetMetaData object from the specified Result and HsqlProperties objects . | 104 | 21 |
154,738 | Map < Long , Long > reconfigureOnFault ( Set < Long > hsIds , FaultMessage fm ) { return reconfigureOnFault ( hsIds , fm , new HashSet < Long > ( ) ) ; } | Convenience wrapper for tests that don t care about unknown sites | 53 | 13 |
154,739 | public Map < Long , Long > reconfigureOnFault ( Set < Long > hsIds , FaultMessage fm , Set < Long > unknownFaultedSites ) { boolean proceed = false ; do { Discard ignoreIt = mayIgnore ( hsIds , fm ) ; if ( Discard . DoNot == ignoreIt ) { m_inTrouble . put ( fm . failedSite , fm . witnessed || fm . decided ) ; m_recover... | Process the fault message and if necessary start arbitration . | 773 | 10 |
154,740 | public static AbstractExpression createIndexExpressionForTable ( Table table , Map < Integer , Integer > ranges ) { HashRangeExpression predicate = new HashRangeExpression ( ) ; predicate . setRanges ( ranges ) ; predicate . setHashColumnIndex ( table . getPartitioncolumn ( ) . getIndex ( ) ) ; return predicate ; } | Create the expression used to build elastic index for a given table . | 73 | 13 |
154,741 | public void initialize ( ) throws Exception { List < Long > acctList = new ArrayList < Long > ( config . custcount * 2 ) ; List < String > stList = new ArrayList < String > ( config . custcount * 2 ) ; // generate customers System . out . println ( "generating " + config . custcount + " customers..." ) ; for ( int c = ... | this gets run once before the benchmark begins | 546 | 8 |
154,742 | public static void createHierarchy ( ZooKeeper zk ) { LinkedList < ZKUtil . StringCallback > callbacks = new LinkedList < ZKUtil . StringCallback > ( ) ; for ( String node : CoreZK . ZK_HIERARCHY ) { ZKUtil . StringCallback cb = new ZKUtil . StringCallback ( ) ; callbacks . add ( cb ) ; zk . create ( node , null , Ids ... | Creates the ZK directory nodes . Only the leader should do this . | 192 | 15 |
154,743 | public static int createRejoinNodeIndicator ( ZooKeeper zk , int hostId ) { try { zk . create ( rejoin_node_blocker , ByteBuffer . allocate ( 4 ) . putInt ( hostId ) . array ( ) , Ids . OPEN_ACL_UNSAFE , CreateMode . PERSISTENT ) ; } catch ( KeeperException e ) { if ( e . code ( ) == KeeperException . Code . NODEEXISTS... | Creates a rejoin blocker for the given rejoining host . This prevents other hosts from rejoining at the same time . | 288 | 25 |
154,744 | public static boolean removeRejoinNodeIndicatorForHost ( ZooKeeper zk , int hostId ) { try { Stat stat = new Stat ( ) ; final int rejoiningHost = ByteBuffer . wrap ( zk . getData ( rejoin_node_blocker , false , stat ) ) . getInt ( ) ; if ( hostId == rejoiningHost ) { zk . delete ( rejoin_node_blocker , stat . getVersio... | Removes the rejoin blocker if the current rejoin blocker contains the given host ID . | 180 | 18 |
154,745 | public static boolean removeJoinNodeIndicatorForHost ( ZooKeeper zk , int hostId ) { try { Stat stat = new Stat ( ) ; String path = ZKUtil . joinZKPath ( readyjoininghosts , Integer . toString ( hostId ) ) ; zk . getData ( path , false , stat ) ; zk . delete ( path , stat . getVersion ( ) ) ; return true ; } catch ( Ke... | Removes the join indicator for the given host ID . | 166 | 11 |
154,746 | public static boolean isPartitionCleanupInProgress ( ZooKeeper zk ) throws KeeperException , InterruptedException { List < String > children = zk . getChildren ( VoltZK . leaders_initiators , null ) ; List < ZKUtil . ChildrenCallback > childrenCallbacks = Lists . newArrayList ( ) ; for ( String child : children ) { ZKU... | Checks if the cluster suffered an aborted join or node shutdown and is still in the process of cleaning up . | 185 | 22 |
154,747 | public boolean isNullable ( ) { boolean isNullable = super . isNullable ( ) ; if ( isNullable ) { if ( dataType . isDomainType ( ) ) { return dataType . userTypeModifier . isNullable ( ) ; } } return isNullable ; } | Is column nullable . | 63 | 5 |
154,748 | Object getDefaultValue ( Session session ) { return defaultExpression == null ? null : defaultExpression . getValue ( session , dataType ) ; } | Returns default value in the session context . | 32 | 8 |
154,749 | Object getGeneratedValue ( Session session ) { return generatingExpression == null ? null : generatingExpression . getValue ( session , dataType ) ; } | Returns generated value in the session context . | 33 | 8 |
154,750 | public String getDefaultSQL ( ) { String ddl = null ; ddl = defaultExpression == null ? null : defaultExpression . getSQL ( ) ; return ddl ; } | Returns SQL for default value . | 39 | 6 |
154,751 | Expression getDefaultExpression ( ) { if ( defaultExpression == null ) { if ( dataType . isDomainType ( ) ) { return dataType . userTypeModifier . getDefaultClause ( ) ; } return null ; } else { return defaultExpression ; } } | Returns default expression for the column . | 60 | 7 |
154,752 | public static ZKUtil . StringCallback createSnapshotCompletionNode ( String path , String pathType , String nonce , long txnId , boolean isTruncation , String truncReqId ) { if ( ! ( txnId > 0 ) ) { VoltDB . crashGlobalVoltDB ( "Txnid must be greather than 0" , true , null ) ; } byte nodeBytes [ ] = null ; try { JSONSt... | Create the completion node for the snapshot identified by the txnId . It assumes that all hosts will race to call this so it doesn t fail if the node already exists . | 498 | 35 |
154,753 | public static void logParticipatingHostCount ( long txnId , int participantCount ) { ZooKeeper zk = VoltDB . instance ( ) . getHostMessenger ( ) . getZK ( ) ; final String snapshotPath = VoltZK . completed_snapshots + "/" + txnId ; boolean success = false ; while ( ! success ) { Stat stat = new Stat ( ) ; byte data [ ]... | Once participating host count is set SnapshotCompletionMonitor can check this ZK node to determine whether the snapshot has finished or not . | 450 | 27 |
154,754 | public synchronized void close ( ) { this . isPoolClosed = true ; while ( this . connectionsInactive . size ( ) > 0 ) { PooledConnection connection = dequeueFirstIfAny ( ) ; if ( connection != null ) { closePhysically ( connection , "closing inactive connection when connection pool was closed." ) ; } } } | Closes this connection pool . No further connections can be obtained from it after this . All inactive connections are physically closed before the call returns . Active connections are not closed . There may still be active connections in use after this method returns . When these connections are closed and returned t... | 73 | 63 |
154,755 | public synchronized void closeImmediatedly ( ) { close ( ) ; Iterator iterator = this . connectionsInUse . iterator ( ) ; while ( iterator . hasNext ( ) ) { PooledConnection connection = ( PooledConnection ) iterator . next ( ) ; SessionConnectionWrapper sessionWrapper = ( SessionConnectionWrapper ) this . sessionConne... | Closes this connection | 107 | 4 |
154,756 | public void setDriverClassName ( String driverClassName ) { if ( driverClassName . equals ( JDBCConnectionPoolDataSource . driver ) ) { return ; } /** @todo: Use a HSQLDB RuntimeException subclass */ throw new RuntimeException ( "This class only supports JDBC driver '" + JDBCConnectionPoolDataSource . driver + "'" ) ; ... | For compatibility . | 79 | 3 |
154,757 | @ Override public void toJSONString ( JSONStringer stringer ) throws JSONException { super . toJSONString ( stringer ) ; stringer . key ( "AGGREGATE_COLUMNS" ) . array ( ) ; for ( int ii = 0 ; ii < m_aggregateTypes . size ( ) ; ii ++ ) { stringer . object ( ) ; stringer . keySymbolValuePair ( Members . AGGREGATE_TYPE .... | Serialize to JSON . We only serialize the expressions and not the directions . We won t need them in the executor . The directions will be in the order by plan node in any case . | 277 | 40 |
154,758 | @ Override public void loadFromJSONObject ( JSONObject jobj , Database db ) throws JSONException { helpLoadFromJSONObject ( jobj , db ) ; JSONArray jarray = jobj . getJSONArray ( Members . AGGREGATE_COLUMNS . name ( ) ) ; int size = jarray . length ( ) ; for ( int i = 0 ; i < size ; i ++ ) { // We only expect one of th... | Deserialize a PartitionByPlanNode from JSON . Since we don t need the sort directions and we don t serialize them in toJSONString then we can t in general get them here . | 315 | 41 |
154,759 | @ Override public void run ( ) { Thread . currentThread ( ) . setName ( "Latency Watchdog" ) ; LOG . info ( String . format ( "Latency Watchdog enabled -- threshold:%d(ms) " + "wakeup_interval:%d(ms) min_log_interval:%d(ms)\n" , WATCHDOG_THRESHOLD , WAKEUP_INTERVAL , MIN_LOG_INTERVAL ) ) ; while ( true ) { for ( Entry ... | The watchdog thread will be invoked every WAKEUP_INTERVAL time to check if any thread that be monitored has not updated its time stamp more than WATCHDOG_THRESHOLD millisecond . Same stack trace messages are rate limited by MIN_LOG_INTERVAL . | 363 | 56 |
154,760 | public static ProcedurePartitionData fromPartitionInfoString ( String partitionInfoString ) { if ( partitionInfoString == null || partitionInfoString . trim ( ) . isEmpty ( ) ) { return new ProcedurePartitionData ( ) ; } String [ ] partitionInfoParts = new String [ 0 ] ; partitionInfoParts = partitionInfoString . split... | For Testing usage ONLY . From a partition information string to | 316 | 11 |
154,761 | @ Override public void runDDL ( String ddl ) { String modifiedDdl = transformDDL ( ddl ) ; printTransformedSql ( ddl , modifiedDdl ) ; super . runDDL ( modifiedDdl , false ) ; } | Modifies DDL statements in such a way that PostGIS results will match VoltDB results and then passes the remaining work to the base class version . | 55 | 31 |
154,762 | public void allHostNTProcedureCallback ( ClientResponse clientResponse ) { synchronized ( m_allHostCallbackLock ) { int hostId = Integer . parseInt ( clientResponse . getAppStatusString ( ) ) ; boolean removed = m_outstandingAllHostProcedureHostIds . remove ( hostId ) ; // log this for now... I don't expect it to ever ... | This is called when an all - host proc responds from a particular node . It completes the future when all of the | 227 | 23 |
154,763 | protected CompletableFuture < Map < Integer , ClientResponse > > callAllNodeNTProcedure ( String procName , Object ... params ) { // only one of these at a time if ( ! m_outstandingAllHostProc . compareAndSet ( false , true ) ) { throw new VoltAbortException ( new IllegalStateException ( "Only one AllNodeNTProcedure op... | Send an invocation directly to each host s CI mailbox . This ONLY works for NT procedures . Track responses and complete the returned future when they re all accounted for . | 494 | 32 |
154,764 | private void completeCall ( ClientResponseImpl response ) { // if we're keeping track, calculate result size if ( m_perCallStats . samplingProcedure ( ) ) { m_perCallStats . setResultSize ( response . getResults ( ) ) ; } m_statsCollector . endProcedure ( response . getStatus ( ) == ClientResponse . USER_ABORT , ( resp... | Send a response back to the proc caller . Refactored out of coreCall for both regular and exceptional paths . | 254 | 23 |
154,765 | public void processAnyCallbacksFromFailedHosts ( Set < Integer > failedHosts ) { synchronized ( m_allHostCallbackLock ) { failedHosts . stream ( ) . forEach ( i -> { if ( m_outstandingAllHostProcedureHostIds . contains ( i ) ) { ClientResponseImpl cri = new ClientResponseImpl ( ClientResponse . CONNECTION_LOST , new Vo... | For all - host NT procedures use site failures to call callbacks for hosts that will obviously never respond . | 162 | 21 |
154,766 | public final static void log ( int logger , int level , String statement ) { if ( logger < loggers . length ) { switch ( level ) { case trace : loggers [ logger ] . trace ( statement ) ; break ; case debug : loggers [ logger ] . debug ( statement ) ; break ; case error : loggers [ logger ] . error ( statement ) ; break... | All EE loggers will call this static method from C and specify the logger and level they want to log to . The level will be checked again in Java . | 175 | 32 |
154,767 | public static void restoreFile ( String sourceName , String destName ) throws IOException { RandomAccessFile source = new RandomAccessFile ( sourceName , "r" ) ; RandomAccessFile dest = new RandomAccessFile ( destName , "rw" ) ; while ( source . getFilePointer ( ) != source . length ( ) ) { int size = source . readInt ... | buggy database files had size == position == 0 at the end | 178 | 13 |
154,768 | String getHTMLForAdminPage ( Map < String , String > params ) { try { String template = m_htmlTemplates . get ( "admintemplate.html" ) ; for ( Entry < String , String > e : params . entrySet ( ) ) { String key = e . getKey ( ) . toUpperCase ( ) ; String value = e . getValue ( ) ; if ( key == null ) continue ; if ( valu... | Load a template for the admin page fill it out and return the value . | 166 | 15 |
154,769 | public void start ( ) throws InterruptedException , ExecutionException { Future < ? > task = es . submit ( handlePartitionChange ) ; task . get ( ) ; } | Start monitoring the leaders . This is a blocking operation . | 36 | 11 |
154,770 | public static Long update ( final long now ) { final long estNow = EstTime . m_now ; if ( estNow == now ) { return null ; } EstTime . m_now = now ; /* * Check if updating the estimated time was especially tardy. * I am concerned that the thread responsible for updating the estimated * time might be blocking on somethin... | Don t call this unless you have paused the updater and intend to update yourself | 181 | 16 |
154,771 | StatementDMQL compileMigrateStatement ( RangeVariable [ ] outerRanges ) { final Expression condition ; assert token . tokenType == Tokens . MIGRATE ; read ( ) ; readThis ( Tokens . FROM ) ; RangeVariable [ ] rangeVariables = { readSimpleRangeVariable ( StatementTypes . MIGRATE_WHERE ) } ; Table table = rangeVariables [... | Creates a MIGRATE - type statement from this parser context ( i . e . MIGRATE FROM tbl WHERE ... | 316 | 28 |
154,772 | StatementDMQL compileDeleteStatement ( RangeVariable [ ] outerRanges ) { Expression condition = null ; boolean truncate = false ; boolean restartIdentity = false ; switch ( token . tokenType ) { case Tokens . TRUNCATE : { read ( ) ; readThis ( Tokens . TABLE ) ; truncate = true ; break ; } case Tokens . DELETE : { read... | Creates a DELETE - type Statement from this parse context . | 808 | 14 |
154,773 | StatementDMQL compileUpdateStatement ( RangeVariable [ ] outerRanges ) { read ( ) ; Expression [ ] updateExpressions ; int [ ] columnMap ; boolean [ ] columnCheckList ; OrderedHashSet colNames = new OrderedHashSet ( ) ; HsqlArrayList exprList = new HsqlArrayList ( ) ; RangeVariable [ ] rangeVariables = { readSimpleRang... | Creates an UPDATE - type Statement from this parse context . | 644 | 12 |
154,774 | private void readMergeWhen ( OrderedHashSet insertColumnNames , OrderedHashSet updateColumnNames , HsqlArrayList insertExpressions , HsqlArrayList updateExpressions , RangeVariable [ ] targetRangeVars , RangeVariable sourceRangeVar ) { Table table = targetRangeVars [ 0 ] . rangeTable ; int columnCount = table . getColu... | Parses a WHEN clause from a MERGE statement . This can be either a WHEN MATCHED or WHEN NOT MATCHED clause or both and the appropriate values will be updated . | 427 | 38 |
154,775 | StatementDMQL compileCallStatement ( RangeVariable [ ] outerRanges , boolean isStrictlyProcedure ) { read ( ) ; if ( isIdentifier ( ) ) { checkValidCatalogName ( token . namePrePrefix ) ; RoutineSchema routineSchema = ( RoutineSchema ) database . schemaManager . findSchemaObject ( token . tokenString , session . getSch... | to do call argument name and type resolution | 619 | 8 |
154,776 | private SortAndSlice voltGetSortAndSliceForDelete ( RangeVariable [ ] rangeVariables ) { SortAndSlice sas = XreadOrderByExpression ( ) ; if ( sas == null || sas == SortAndSlice . noSort ) return SortAndSlice . noSort ; // Resolve columns in the ORDER BY clause. This code modified // from how compileDelete resolves colu... | This is a Volt extension to allow DELETE FROM tab ORDER BY c LIMIT 1 Adds a SortAndSlice object to the statement if the next tokens are ORDER BY LIMIT or OFFSET . | 195 | 42 |
154,777 | public ClassNameMatchStatus addPattern ( String classNamePattern ) { boolean matchFound = false ; if ( m_classList == null ) { m_classList = getClasspathClassFileNames ( ) ; } String preppedName = classNamePattern . trim ( ) ; // include only full classes // for nested classes, include the parent pattern int indexOfDol... | Add a pattern that matches classes from the classpath and add any matching classnames to m_classNameMatches . | 442 | 24 |
154,778 | private static void processPathPart ( String path , Set < String > classes ) { File rootFile = new File ( path ) ; if ( rootFile . isDirectory ( ) == false ) { return ; } File [ ] files = rootFile . listFiles ( ) ; for ( File f : files ) { // classes in the anonymous package if ( f . getName ( ) . endsWith ( ".class" )... | For a given classpath root scan it for packages and classes adding all found classnames to the given classes param . | 175 | 23 |
154,779 | static String getClasspathClassFileNames ( ) { String classpath = System . getProperty ( "java.class.path" ) ; String [ ] pathParts = classpath . split ( File . pathSeparator ) ; Set < String > classes = new TreeSet < String > ( ) ; for ( String part : pathParts ) { processPathPart ( part , classes ) ; } StringBuilder ... | Get a single string that contains all of the non - jar classfiles in the current classpath separated by newlines . Classfiles are represented by their Java dot names not filenames . | 128 | 38 |
154,780 | double getMemoryLimitSize ( String sizeStr ) { if ( sizeStr == null || sizeStr . length ( ) == 0 ) { return 0 ; } try { if ( sizeStr . charAt ( sizeStr . length ( ) - 1 ) == ' ' ) { // size as a percentage of total available memory int perc = Integer . parseInt ( sizeStr . substring ( 0 , sizeStr . length ( ) - 1 ) ) ;... | package - private for junit | 260 | 6 |
154,781 | public static void validatePath ( String path ) throws IllegalArgumentException { if ( path == null ) { throw new IllegalArgumentException ( "Path cannot be null" ) ; } if ( path . length ( ) == 0 ) { throw new IllegalArgumentException ( "Path length must be > 0" ) ; } if ( path . charAt ( 0 ) != ' ' ) { throw new Ille... | Validate the provided znode path string | 499 | 8 |
154,782 | protected void produceCopyForTransformation ( AbstractPlanNode copy ) { copy . m_outputSchema = m_outputSchema ; copy . m_hasSignificantOutputSchema = m_hasSignificantOutputSchema ; copy . m_outputColumnHints = m_outputColumnHints ; copy . m_estimatedOutputTupleCount = m_estimatedOutputTupleCount ; copy . m_estimatedPr... | Create a PlanNode that clones the configuration information but is not inserted in the plan graph and has a unique plan node id . | 185 | 25 |
154,783 | public void generateOutputSchema ( Database db ) { // default behavior: just copy the input schema // to the output schema assert ( m_children . size ( ) == 1 ) ; AbstractPlanNode childNode = m_children . get ( 0 ) ; childNode . generateOutputSchema ( db ) ; // Replace the expressions in our children's columns with TVE... | Generate the output schema for this node based on the output schemas of its children . The generated schema consists of the complete set of columns but is not yet ordered . | 214 | 34 |
154,784 | public void getTablesAndIndexes ( Map < String , StmtTargetTableScan > tablesRead , Collection < String > indexes ) { for ( AbstractPlanNode node : m_inlineNodes . values ( ) ) { node . getTablesAndIndexes ( tablesRead , indexes ) ; } for ( AbstractPlanNode node : m_children ) { node . getTablesAndIndexes ( tablesRead ... | Recursively build sets of tables read and index names used . | 109 | 13 |
154,785 | protected void getTablesAndIndexesFromSubqueries ( Map < String , StmtTargetTableScan > tablesRead , Collection < String > indexes ) { for ( AbstractExpression expr : findAllSubquerySubexpressions ( ) ) { assert ( expr instanceof AbstractSubqueryExpression ) ; AbstractSubqueryExpression subquery = ( AbstractSubqueryExp... | Collect read tables read and index names used in the current node subquery expressions . | 125 | 16 |
154,786 | public boolean isOutputOrdered ( List < AbstractExpression > sortExpressions , List < SortDirectionType > sortDirections ) { assert ( sortExpressions . size ( ) == sortDirections . size ( ) ) ; if ( m_children . size ( ) == 1 ) { return m_children . get ( 0 ) . isOutputOrdered ( sortExpressions , sortDirections ) ; } r... | Does the plan guarantee a result sorted according to the required sort order . The default implementation delegates the question to its child if there is only one child . | 90 | 30 |
154,787 | public final NodeSchema getTrueOutputSchema ( boolean resetBack ) throws PlanningErrorException { AbstractPlanNode child ; NodeSchema answer = null ; // // Note: This code is translated from the C++ code in // AbstractPlanNode::getOutputSchema. It's considerably // different there, but I think this has the corner // ca... | Find the true output schema . This may be in some child node . This seems to be the search order when constructing a plan node in the EE . | 657 | 30 |
154,788 | public void addAndLinkChild ( AbstractPlanNode child ) { assert ( child != null ) ; m_children . add ( child ) ; child . m_parents . add ( this ) ; } | Add a child and link this node child s parent . | 41 | 11 |
154,789 | public void setAndLinkChild ( int index , AbstractPlanNode child ) { assert ( child != null ) ; m_children . set ( index , child ) ; child . m_parents . add ( this ) ; } | Used to re - link the child without changing the order . | 46 | 12 |
154,790 | public void unlinkChild ( AbstractPlanNode child ) { assert ( child != null ) ; m_children . remove ( child ) ; child . m_parents . remove ( this ) ; } | Remove child from this node . | 40 | 6 |
154,791 | public boolean replaceChild ( AbstractPlanNode oldChild , AbstractPlanNode newChild ) { assert ( oldChild != null ) ; assert ( newChild != null ) ; int idx = 0 ; for ( AbstractPlanNode child : m_children ) { if ( child . equals ( oldChild ) ) { oldChild . m_parents . clear ( ) ; setAndLinkChild ( idx , newChild ) ; ret... | Replace an existing child with a new one preserving the child s position . | 99 | 15 |
154,792 | public void addIntermediary ( AbstractPlanNode node ) { // transfer this node's children to node Iterator < AbstractPlanNode > it = m_children . iterator ( ) ; while ( it . hasNext ( ) ) { AbstractPlanNode child = it . next ( ) ; it . remove ( ) ; // remove this.child from m_children assert child . getParentCount ( ) =... | Interject the provided node between this node and this node s current children | 150 | 14 |
154,793 | public boolean hasInlinedIndexScanOfTable ( String tableName ) { for ( int i = 0 ; i < getChildCount ( ) ; i ++ ) { AbstractPlanNode child = getChild ( i ) ; if ( child . hasInlinedIndexScanOfTable ( tableName ) == true ) { return true ; } } return false ; } | Refer to the override implementation on NestLoopIndexJoin node . | 73 | 12 |
154,794 | protected void findAllExpressionsOfClass ( Class < ? extends AbstractExpression > aeClass , Set < AbstractExpression > collected ) { // Check the inlined plan nodes for ( AbstractPlanNode inlineNode : getInlinePlanNodes ( ) . values ( ) ) { // For inline node we MUST go recursive to its children!!!!! inlineNode . findA... | Collect a unique list of expressions of a given type that this node has including its inlined nodes | 142 | 19 |
154,795 | public String toDOTString ( ) { StringBuilder sb = new StringBuilder ( ) ; // id [label=id: value-type <value-type-attributes>]; // id -> child_id; // id -> child_id; sb . append ( m_id ) . append ( " [label=\"" ) . append ( m_id ) . append ( ": " ) . append ( getPlanNodeType ( ) ) . append ( "\" " ) ; sb . append ( ge... | produce a file that can imported into graphviz for easier visualization | 273 | 14 |
154,796 | private String getValueTypeDotString ( ) { PlanNodeType pnt = getPlanNodeType ( ) ; if ( isInline ( ) ) { return "fontcolor=\"white\" style=\"filled\" fillcolor=\"red\"" ; } if ( pnt == PlanNodeType . SEND || pnt == PlanNodeType . RECEIVE || pnt == PlanNodeType . MERGERECEIVE ) { return "fontcolor=\"white\" style=\"fil... | maybe not worth polluting | 112 | 5 |
154,797 | public void getScanNodeList_recurse ( ArrayList < AbstractScanPlanNode > collected , HashSet < AbstractPlanNode > visited ) { if ( visited . contains ( this ) ) { assert ( false ) : "do not expect loops in plangraph." ; return ; } visited . add ( this ) ; for ( AbstractPlanNode n : m_children ) { n . getScanNodeList_re... | postorder adding scan nodes | 129 | 5 |
154,798 | public void getPlanNodeList_recurse ( ArrayList < AbstractPlanNode > collected , HashSet < AbstractPlanNode > visited ) { if ( visited . contains ( this ) ) { assert ( false ) : "do not expect loops in plangraph." ; return ; } visited . add ( this ) ; for ( AbstractPlanNode n : m_children ) { n . getPlanNodeList_recurs... | postorder add nodes | 101 | 4 |
154,799 | private static Object nullValueForType ( final Class < ? > expectedClz ) { if ( expectedClz == long . class ) { return VoltType . NULL_BIGINT ; } else if ( expectedClz == int . class ) { return VoltType . NULL_INTEGER ; } else if ( expectedClz == short . class ) { return VoltType . NULL_SMALLINT ; } else if ( expectedC... | Get the appropriate and compatible null value for a given parameter type . | 147 | 13 |
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