idx int64 0 165k | question stringlengths 73 4.15k | target stringlengths 5 918 | len_question int64 21 890 | len_target int64 3 255 |
|---|---|---|---|---|
154,500 | public static Pair < Object [ ] , AdHocPlannedStatement [ ] > decodeSerializedBatchData ( byte [ ] serializedBatchData ) { // Collections must be the same size since they all contain slices of the same data. assert ( serializedBatchData != null ) ; ByteBuffer buf = ByteBuffer . wrap ( serializedBatchData ) ; AdHocPlann... | Decode binary data into structures needed to process adhoc queries . This code was pulled out of runAdHoc so it could be shared there and with adHocSQLStringFromPlannedStatement . | 186 | 42 |
154,501 | static Object [ ] paramsForStatement ( AdHocPlannedStatement statement , Object [ ] userparams ) { // When there are no user-provided parameters, statements may have parameterized constants. if ( userparams . length > 0 ) { return userparams ; } else { return statement . extractedParamArray ( ) ; } } | Get the params for a specific SQL statement within a batch . Note that there is usually a batch size of one . | 68 | 23 |
154,502 | public static void writeToFile ( byte [ ] catalogBytes , File file ) throws IOException { JarOutputStream jarOut = new JarOutputStream ( new FileOutputStream ( file ) ) ; JarInputStream jarIn = new JarInputStream ( new ByteArrayInputStream ( catalogBytes ) ) ; JarEntry catEntry = null ; JarInputStreamReader reader = ne... | directly transformed and written to the specified file | 222 | 9 |
154,503 | public long getCRC ( ) { PureJavaCrc32 crc = new PureJavaCrc32 ( ) ; for ( Entry < String , byte [ ] > e : super . entrySet ( ) ) { if ( e . getKey ( ) . equals ( "buildinfo.txt" ) || e . getKey ( ) . equals ( "catalog-report.html" ) ) { continue ; } // Hacky way to skip the first line of the autogenerated ddl, which /... | just replacing one method call with another though . | 299 | 9 |
154,504 | public void removeClassFromJar ( String classname ) { for ( String innerclass : getLoader ( ) . getInnerClassesForClass ( classname ) ) { remove ( classToFileName ( innerclass ) ) ; } remove ( classToFileName ( classname ) ) ; } | Remove the provided classname and all inner classes from the jarfile and the classloader | 62 | 17 |
154,505 | public static ParsedCall parseJDBCCall ( String jdbcCall ) throws SQLParser . Exception { Matcher m = PAT_CALL_WITH_PARAMETERS . matcher ( jdbcCall ) ; if ( m . matches ( ) ) { String sql = m . group ( 1 ) ; int parameterCount = PAT_CLEAN_CALL_PARAMETERS . matcher ( m . group ( 2 ) ) . replaceAll ( "" ) . length ( ) ; ... | Parse call statements for JDBC . | 173 | 8 |
154,506 | static Type getType ( int setType , Type type ) { if ( setType == OpTypes . COUNT ) { return Type . SQL_BIGINT ; } // A VoltDB extension to handle aggfnc(*) syntax errors. // If the argument node does not have // a data type, it may be '*'. If the // operation is COUNT (optype == 71) this is // just fine. But if it's a... | During parsing and before an instance of SetFunction is created getType is called with type parameter set to correct type when main SELECT statements contain aggregates . | 852 | 30 |
154,507 | public static URI makeFileLoggerURL ( File dataDir , File dataLogDir ) { return URI . create ( makeURIString ( dataDir . getPath ( ) , dataLogDir . getPath ( ) , null ) ) ; } | Given two directory files the method returns a well - formed logfile provider URI . This method is for backward compatibility with the existing code that only supports logfile persistence and expects these two parameters passed either on the command - line or in the configuration file . | 50 | 50 |
154,508 | public static boolean isValidSnapshot ( File f ) throws IOException { if ( f == null || Util . getZxidFromName ( f . getName ( ) , "snapshot" ) == - 1 ) return false ; // Check for a valid snapshot RandomAccessFile raf = new RandomAccessFile ( f , "r" ) ; // including the header and the last / bytes // the snapshot sho... | Verifies that the file is a valid snapshot . Snapshot may be invalid if it s incomplete as in a situation when the server dies while in the process of storing a snapshot . Any file that is not a snapshot is also an invalid snapshot . | 317 | 49 |
154,509 | public static byte [ ] readTxnBytes ( InputArchive ia ) throws IOException { try { byte [ ] bytes = ia . readBuffer ( "txtEntry" ) ; // Since we preallocate, we define EOF to be an // empty transaction if ( bytes . length == 0 ) return bytes ; if ( ia . readByte ( "EOF" ) != ' ' ) { LOG . error ( "Last transaction was ... | Reads a transaction entry from the input archive . | 118 | 10 |
154,510 | public static byte [ ] marshallTxnEntry ( TxnHeader hdr , Record txn ) throws IOException { ByteArrayOutputStream baos = new ByteArrayOutputStream ( ) ; OutputArchive boa = BinaryOutputArchive . getArchive ( baos ) ; hdr . serialize ( boa , "hdr" ) ; if ( txn != null ) { txn . serialize ( boa , "txn" ) ; } return baos ... | Serializes transaction header and transaction data into a byte buffer . | 110 | 12 |
154,511 | public static void writeTxnBytes ( OutputArchive oa , byte [ ] bytes ) throws IOException { oa . writeBuffer ( bytes , "txnEntry" ) ; oa . writeByte ( ( byte ) 0x42 , "EOR" ) ; // 'B' } | Write the serialized transaction record to the output archive . | 62 | 11 |
154,512 | public static List < File > sortDataDir ( File [ ] files , String prefix , boolean ascending ) { if ( files == null ) return new ArrayList < File > ( 0 ) ; List < File > filelist = Arrays . asList ( files ) ; Collections . sort ( filelist , new DataDirFileComparator ( prefix , ascending ) ) ; return filelist ; } | Sort the list of files . Recency as determined by the version component of the file name . | 80 | 19 |
154,513 | private List < String > diagnoseIndexMismatch ( Index theIndex , Index otherIndex ) { List < String > mismatchedAttrs = new ArrayList <> ( ) ; // Pairs of matching indexes must agree on type (int hash, etc.). if ( theIndex . getType ( ) != otherIndex . getType ( ) ) { mismatchedAttrs . add ( "index type (hash vs tree)"... | Give two strings return a list of attributes that do not match | 655 | 12 |
154,514 | private void validateTableCompatibility ( String theName , String otherName , Table theTable , Table otherTable , FailureMessage failureMessage ) { if ( theTable . getIsdred ( ) != otherTable . getIsdred ( ) ) { failureMessage . addReason ( "To swap table " + theName + " with table " + otherName + " both tables must be... | Flag any issues of incompatibility between the two table operands of a swap by appending error details to a feedback buffer . These details and possibly others should get attached to a PlannerErrorException s message by the caller . | 371 | 45 |
154,515 | private void validateColumnCompatibility ( String theName , String otherName , Table theTable , Table otherTable , FailureMessage failureMessage ) { CatalogMap < Column > theColumns = theTable . getColumns ( ) ; int theColCount = theColumns . size ( ) ; CatalogMap < Column > otherColumns = otherTable . getColumns ( ) ;... | Flag any issues of incompatibility between the columns of the two table operands of a swap by appending error details to a feedback buffer . These details and possibly others should get attached to a PlannerErrorException s message by the caller . | 485 | 48 |
154,516 | private final void growIfNeeded ( int minimumDesired ) { if ( buffer . b ( ) . remaining ( ) < minimumDesired ) { // Compute the size of the new buffer int newCapacity = buffer . b ( ) . capacity ( ) ; int newRemaining = newCapacity - buffer . b ( ) . position ( ) ; while ( newRemaining < minimumDesired ) { newRemainin... | Resizes the internal byte buffer with a simple doubling policy if needed . | 244 | 14 |
154,517 | public static byte [ ] serialize ( FastSerializable object ) throws IOException { FastSerializer out = new FastSerializer ( ) ; object . writeExternal ( out ) ; return out . getBBContainer ( ) . b ( ) . array ( ) ; } | Get the byte version of object . This is a shortcut utility method when you only need to serialize a single object . | 56 | 24 |
154,518 | public byte [ ] getBytes ( ) { byte [ ] retval = new byte [ buffer . b ( ) . position ( ) ] ; int position = buffer . b ( ) . position ( ) ; buffer . b ( ) . rewind ( ) ; buffer . b ( ) . get ( retval ) ; assert position == buffer . b ( ) . position ( ) ; return retval ; } | This method is slow and horrible . It entails an extra copy . Don t use it! Ever! Not even for test! Just say no to test only code . It will also leak the BBContainer if this FS is being used with a pool . | 83 | 51 |
154,519 | public ByteBuffer getBuffer ( ) { assert ( isDirect == false ) ; assert ( buffer . b ( ) . hasArray ( ) ) ; assert ( ! buffer . b ( ) . isDirect ( ) ) ; buffer . b ( ) . flip ( ) ; return buffer . b ( ) . asReadOnlyBuffer ( ) ; } | Return a readOnly slice of this buffer . Flips the internal buffer . May not be usefully invoked multiple times on the same internal state . | 70 | 29 |
154,520 | public String getHexEncodedBytes ( ) { buffer . b ( ) . flip ( ) ; byte bytes [ ] = new byte [ buffer . b ( ) . remaining ( ) ] ; buffer . b ( ) . get ( bytes ) ; String hex = Encoder . hexEncode ( bytes ) ; buffer . discard ( ) ; return hex ; } | Get a ascii - string - safe version of the binary value using a hex encoding . | 74 | 19 |
154,521 | public static void writeString ( String string , ByteBuffer buffer ) throws IOException { if ( string == null ) { buffer . putInt ( VoltType . NULL_STRING_LENGTH ) ; return ; } byte [ ] strbytes = string . getBytes ( Constants . UTF8ENCODING ) ; int len = strbytes . length ; buffer . putInt ( len ) ; buffer . put ( str... | Write a string in the standard VoltDB way without wrapping the byte buffer . | 90 | 15 |
154,522 | public void writeString ( String string ) throws IOException { if ( string == null ) { writeInt ( VoltType . NULL_STRING_LENGTH ) ; return ; } byte [ ] strbytes = string . getBytes ( Constants . UTF8ENCODING ) ; int len = strbytes . length ; writeInt ( len ) ; write ( strbytes ) ; } | Write a string in the standard VoltDB way . That is two bytes of length info followed by the bytes of characters encoded in UTF - 8 . | 79 | 29 |
154,523 | public void writeVarbinary ( byte [ ] bin ) throws IOException { if ( bin == null ) { writeInt ( VoltType . NULL_STRING_LENGTH ) ; return ; } if ( bin . length > VoltType . MAX_VALUE_LENGTH ) { throw new IOException ( "Varbinary exceeds maximum length of " + VoltType . MAX_VALUE_LENGTH + " bytes." ) ; } writeInt ( bin ... | Write a varbinary in the standard VoltDB way . That is four bytes of length info followed by the bytes . | 101 | 23 |
154,524 | public void writeTable ( VoltTable table ) throws IOException { int len = table . getSerializedSize ( ) ; growIfNeeded ( len ) ; table . flattenToBuffer ( buffer . b ( ) ) ; } | Write a table using it s ByteBuffer serialization code . | 48 | 12 |
154,525 | public void writeInvocation ( StoredProcedureInvocation invocation ) throws IOException { int len = invocation . getSerializedSize ( ) ; growIfNeeded ( len ) ; invocation . flattenToBuffer ( buffer . b ( ) ) ; } | Write an SPI using it s ByteBuffer serialization code . | 54 | 12 |
154,526 | public void writeParameterSet ( ParameterSet params ) throws IOException { int len = params . getSerializedSize ( ) ; growIfNeeded ( len ) ; params . flattenToBuffer ( buffer . b ( ) ) ; } | Write a ParameterSet using it s ByteBuffer serialization code . | 50 | 14 |
154,527 | public void start ( InputHandler ih , Set < Long > verbotenThreads ) { m_ih = ih ; m_verbotenThreads = verbotenThreads ; startSetup ( ) ; m_thread . start ( ) ; } | Start this VoltNetwork s thread . populate the verbotenThreads set with the id of the thread that is created | 55 | 24 |
154,528 | @ Override public boolean execute ( String sql ) throws SQLException { checkClosed ( ) ; VoltSQL query = VoltSQL . parseSQL ( sql ) ; return this . execute ( query ) ; } | Executes the given SQL statement which may return multiple results . | 44 | 12 |
154,529 | @ Override public boolean execute ( String sql , String [ ] columnNames ) throws SQLException { checkClosed ( ) ; throw SQLError . noSupport ( ) ; } | Executes the given SQL statement which may return multiple results and signals the driver that the auto - generated keys indicated in the given array should be made available for retrieval . | 40 | 33 |
154,530 | @ Override public int [ ] executeBatch ( ) throws SQLException { checkClosed ( ) ; closeCurrentResult ( ) ; if ( batch == null || batch . size ( ) == 0 ) { return new int [ 0 ] ; } int [ ] updateCounts = new int [ batch . size ( ) ] ; // keep a running total of update counts int runningUpdateCount = 0 ; int i = 0 ; try... | Submits a batch of commands to the database for execution and if all commands execute successfully returns an array of update counts . | 281 | 24 |
154,531 | @ Override public ResultSet executeQuery ( String sql ) throws SQLException { checkClosed ( ) ; VoltSQL query = VoltSQL . parseSQL ( sql ) ; if ( ! query . isOfType ( VoltSQL . TYPE_SELECT ) ) { throw SQLError . get ( SQLError . ILLEGAL_STATEMENT , sql ) ; } return this . executeQuery ( query ) ; } | Executes the given SQL statement which returns a single ResultSet object . | 90 | 14 |
154,532 | @ Override public void setFetchDirection ( int direction ) throws SQLException { checkClosed ( ) ; if ( ( direction != ResultSet . FETCH_FORWARD ) && ( direction != ResultSet . FETCH_REVERSE ) && ( direction != ResultSet . FETCH_UNKNOWN ) ) { throw SQLError . get ( SQLError . ILLEGAL_ARGUMENT , direction ) ; } this . f... | Gives the driver a hint as to the direction in which rows will be processed in ResultSet objects created using this Statement object . | 108 | 26 |
154,533 | @ Override public void setFetchSize ( int rows ) throws SQLException { checkClosed ( ) ; if ( rows < 0 ) { throw SQLError . get ( SQLError . ILLEGAL_ARGUMENT , rows ) ; } this . fetchSize = rows ; } | Gives the JDBC driver a hint as to the number of rows that should be fetched from the database when more rows are needed for ResultSet objects genrated by this Statement . | 67 | 37 |
154,534 | @ Override public void setMaxFieldSize ( int max ) throws SQLException { checkClosed ( ) ; if ( max < 0 ) { throw SQLError . get ( SQLError . ILLEGAL_ARGUMENT , max ) ; } throw SQLError . noSupport ( ) ; // Not supported by provider - no point trashing data we received from the server just to simulate the feature while... | Sets the limit for the maximum number of bytes that can be returned for character and binary column values in a ResultSet object produced by this Statement object . | 98 | 31 |
154,535 | @ Override public void setMaxRows ( int max ) throws SQLException { checkClosed ( ) ; if ( max < 0 ) { throw SQLError . get ( SQLError . ILLEGAL_ARGUMENT , max ) ; } this . maxRows = max ; } | Sets the limit for the maximum number of rows that any ResultSet object generated by this Statement object can contain to the given number . | 68 | 27 |
154,536 | @ Override public void setQueryTimeout ( int seconds ) throws SQLException { checkClosed ( ) ; if ( seconds < 0 ) { throw SQLError . get ( SQLError . ILLEGAL_ARGUMENT , seconds ) ; } if ( seconds == 0 ) { this . m_timeout = Integer . MAX_VALUE ; } else { this . m_timeout = seconds ; } } | 0 is infinite in our case its Integer . MAX_VALUE | 90 | 12 |
154,537 | public void updateReplicasForJoin ( TransactionState snapshotTransactionState ) { long [ ] replicasAdded = new long [ 0 ] ; if ( m_term != null ) { replicasAdded = ( ( SpTerm ) m_term ) . updateReplicas ( snapshotTransactionState ) ; } m_scheduler . forwardPendingTaskToRejoinNode ( replicasAdded , snapshotTransactionSt... | This will be called from Snapshot in elastic joining or rejoining cases . | 91 | 15 |
154,538 | public Person newPerson ( ) { Person p = new Person ( ) ; p . firstname = firstnames [ rand . nextInt ( firstnames . length ) ] ; p . lastname = lastnames [ rand . nextInt ( lastnames . length ) ] ; p . sex = sexes [ rand . nextInt ( 2 ) ] ; p . dob = randomDOB ( ) ; // state and area code match int i = rand . nextInt ... | generate a random person | 132 | 5 |
154,539 | public void loadFromJSONPlan ( JSONObject jobj , Database db ) throws JSONException { if ( jobj . has ( Members . PLAN_NODES_LISTS ) ) { JSONArray jplanNodesArray = jobj . getJSONArray ( Members . PLAN_NODES_LISTS ) ; for ( int i = 0 ; i < jplanNodesArray . length ( ) ; ++ i ) { JSONObject jplanNodesObj = jplanNodesArr... | Load json plan . The plan must have either PLAN_NODE array in case of a statement without subqueries or PLAN_NODES_LISTS array of PLAN_NODE arrays for each sub statement . | 316 | 45 |
154,540 | private void loadPlanNodesFromJSONArrays ( int stmtId , JSONArray jArray , Database db ) { List < AbstractPlanNode > planNodes = new ArrayList <> ( ) ; int size = jArray . length ( ) ; try { for ( int i = 0 ; i < size ; i ++ ) { JSONObject jobj = jArray . getJSONObject ( i ) ; String nodeTypeStr = jobj . getString ( "P... | Load plan nodes from the PLAN_NODE array . All the nodes are from a substatement with the id = stmtId | 368 | 27 |
154,541 | public final void configure ( Properties props , FormatterBuilder formatterBuilder ) { Map < URI , ImporterConfig > configs = m_factory . createImporterConfigurations ( props , formatterBuilder ) ; m_configs = new ImmutableMap . Builder < URI , ImporterConfig > ( ) . putAll ( configs ) . putAll ( Maps . filterKeys ( m_... | This will be called for every importer configuration section for this importer type . | 107 | 16 |
154,542 | public final void stop ( ) { m_stopping = true ; ImmutableMap < URI , AbstractImporter > oldReference ; boolean success = false ; do { // onChange also could set m_importers. Use while loop to pick up latest ref oldReference = m_importers . get ( ) ; success = m_importers . compareAndSet ( oldReference , ImmutableMap .... | This is called by the importer framework to stop importers . All resources for this importer will be unregistered from the resource distributer . | 320 | 29 |
154,543 | public int [ ] get ( ) { int includedHashes = Math . min ( m_hashCount , MAX_HASHES_COUNT ) ; int [ ] retval = new int [ includedHashes + HEADER_OFFSET ] ; System . arraycopy ( m_hashes , 0 , retval , HEADER_OFFSET , includedHashes ) ; m_inputCRC . update ( m_hashCount ) ; m_inputCRC . update ( m_catalogVersion ) ; ret... | Serialize the running hashes to an array and complete the overall hash for the first int value in the array . | 155 | 22 |
154,544 | public void offerStatement ( int stmtHash , int offset , ByteBuffer psetBuffer ) { m_inputCRC . update ( stmtHash ) ; m_inputCRC . updateFromPosition ( offset , psetBuffer ) ; if ( m_hashCount < MAX_HASHES_COUNT ) { m_hashes [ m_hashCount ] = stmtHash ; m_hashes [ m_hashCount + 1 ] = ( int ) m_inputCRC . getValue ( ) ;... | Update the overall hash . Add a pair of ints to the array if the size isn t too large . | 118 | 22 |
154,545 | public static int compareHashes ( int [ ] leftHashes , int [ ] rightHashes ) { assert ( leftHashes != null ) ; assert ( rightHashes != null ) ; assert ( leftHashes . length >= 3 ) ; assert ( rightHashes . length >= 3 ) ; // Compare total checksum first if ( leftHashes [ 0 ] == rightHashes [ 0 ] ) { return - 1 ; } int i... | Compare two hash arrays return true if the same . | 283 | 10 |
154,546 | public static String description ( int [ ] hashes , int m_hashMismatchPos ) { assert ( hashes != null ) ; assert ( hashes . length >= 3 ) ; StringBuilder sb = new StringBuilder ( ) ; sb . append ( "Full Hash " ) . append ( hashes [ 0 ] ) ; sb . append ( ", Catalog Version " ) . append ( hashes [ 1 ] ) ; sb . append ( "... | Log the contents of the hash array | 379 | 7 |
154,547 | private boolean renameOverwrite ( String oldname , String newname ) { boolean deleted = delete ( newname ) ; if ( exists ( oldname ) ) { File file = new File ( oldname ) ; return file . renameTo ( new File ( newname ) ) ; } return deleted ; } | Rename the file with oldname to newname . If a file with newname already exists it is deleted before the renaming operation proceeds . | 62 | 29 |
154,548 | public String canonicalOrAbsolutePath ( String path ) { try { return canonicalPath ( path ) ; } catch ( Exception e ) { return absolutePath ( path ) ; } } | Retrieves the canonical path for the given path or the absolute path if attemting to retrieve the canonical path fails . | 37 | 25 |
154,549 | private boolean isCoordinatorStatsUsable ( boolean incremental ) { if ( m_coordinatorTask == null ) { return false ; } if ( incremental ) { return m_coordinatorTask . m_timedInvocations - m_coordinatorTask . m_lastTimedInvocations > 0 ; } return m_coordinatorTask . m_timedInvocations > 0 ; } | if any coordinator task is executed at all . | 82 | 9 |
154,550 | public int getIncrementalMinResultSizeAndReset ( ) { int retval = m_workerTask . m_incrMinResultSize ; m_workerTask . m_incrMinResultSize = Integer . MAX_VALUE ; if ( isCoordinatorStatsUsable ( true ) ) { m_coordinatorTask . m_incrMinResultSize = Integer . MAX_VALUE ; } return retval ; } | The result size should be taken from the final output coming from the coordinator task . | 90 | 16 |
154,551 | private Statement compileAlterTableDropTTL ( Table t ) { if ( t . getTTL ( ) == null ) { throw Error . error ( ErrorCode . X_42501 ) ; } if ( ! StringUtil . isEmpty ( t . getTTL ( ) . migrationTarget ) ) { throw unexpectedToken ( "May not drop migration target" ) ; } Object [ ] args = new Object [ ] { t . getName ( ) ,... | VoltDB extension drop TTL | 158 | 6 |
154,552 | StatementDMQL compileTriggerSetStatement ( Table table , RangeVariable [ ] rangeVars ) { read ( ) ; Expression [ ] updateExpressions ; int [ ] columnMap ; OrderedHashSet colNames = new OrderedHashSet ( ) ; HsqlArrayList exprList = new HsqlArrayList ( ) ; RangeVariable [ ] targetRangeVars = new RangeVariable [ ] { range... | Creates SET Statement for a trigger row from this parse context . | 212 | 13 |
154,553 | ColumnSchema readColumnDefinitionOrNull ( Table table , HsqlName hsqlName , HsqlArrayList constraintList ) { boolean isIdentity = false ; boolean isPKIdentity = false ; boolean identityAlways = false ; Expression generateExpr = null ; boolean isNullable = true ; Expression defaultExpr = null ; Type typeObject ; NumberS... | Responsible for handling the creation of table columns during the process of executing CREATE TABLE or ADD COLUMN etc . statements . | 678 | 27 |
154,554 | void readCheckConstraintCondition ( Constraint c ) { readThis ( Tokens . OPENBRACKET ) ; startRecording ( ) ; isCheckOrTriggerCondition = true ; Expression condition = XreadBooleanValueExpression ( ) ; isCheckOrTriggerCondition = false ; Token [ ] tokens = getRecordedStatement ( ) ; readThis ( Tokens . CLOSEBRACKET ) ;... | Responsible for handling check constraints section of CREATE TABLE ... | 104 | 13 |
154,555 | private int [ ] readColumnList ( Table table , boolean ascOrDesc ) { OrderedHashSet set = readColumnNames ( ascOrDesc ) ; return table . getColumnIndexes ( set ) ; } | Process a bracketed column list as used in the declaration of SQL CONSTRAINTS and return an array containing the indexes of the columns within the table . | 44 | 32 |
154,556 | void processAlterTableRename ( Table table ) { HsqlName name = readNewSchemaObjectName ( SchemaObject . TABLE ) ; name . setSchemaIfNull ( table . getSchemaName ( ) ) ; if ( table . getSchemaName ( ) != name . schema ) { throw Error . error ( ErrorCode . X_42505 ) ; } database . schemaManager . renameSchemaObject ( tab... | Responsible for handling tail of ALTER TABLE ... RENAME ... | 101 | 15 |
154,557 | void processAlterTableDropColumn ( Table table , String colName , boolean cascade ) { int colindex = table . getColumnIndex ( colName ) ; if ( table . getColumnCount ( ) == 1 ) { throw Error . error ( ErrorCode . X_42591 ) ; } session . commit ( false ) ; TableWorks tableWorks = new TableWorks ( session , table ) ; tab... | Responsible for handling tail of ALTER TABLE ... DROP COLUMN ... | 155 | 17 |
154,558 | void processAlterTableDropConstraint ( Table table , String name , boolean cascade ) { session . commit ( false ) ; TableWorks tableWorks = new TableWorks ( session , table ) ; tableWorks . dropConstraint ( name , cascade ) ; return ; } | Responsible for handling tail of ALTER TABLE ... DROP CONSTRAINT ... | 57 | 18 |
154,559 | private void processAlterColumnType ( Table table , ColumnSchema oldCol , boolean fullDefinition ) { ColumnSchema newCol ; if ( oldCol . isGenerated ( ) ) { throw Error . error ( ErrorCode . X_42561 ) ; } if ( fullDefinition ) { HsqlArrayList list = new HsqlArrayList ( ) ; Constraint c = table . getPrimaryConstraint ( ... | Allows changes to type of column or addition of an IDENTITY generator . IDENTITY is not removed if it does not appear in new column definition Constraint definitions are not allowed | 387 | 37 |
154,560 | private void processAlterColumnRename ( Table table , ColumnSchema column ) { checkIsSimpleName ( ) ; if ( table . findColumn ( token . tokenString ) > - 1 ) { throw Error . error ( ErrorCode . X_42504 , token . tokenString ) ; } database . schemaManager . checkColumnIsReferenced ( table . getName ( ) , column . getNam... | Responsible for handling tail of ALTER COLUMN ... RENAME ... | 123 | 17 |
154,561 | void readLimitConstraintCondition ( Constraint c ) { readThis ( Tokens . PARTITION ) ; readThis ( Tokens . ROWS ) ; int rowsLimit = readInteger ( ) ; c . rowsLimit = rowsLimit ; // The optional EXECUTE (DELETE ...) clause if ( readIfThis ( Tokens . EXECUTE ) ) { // Capture the statement between parentheses following th... | Responsible for handling Volt limit constraints section of CREATE TABLE ... | 307 | 14 |
154,562 | private java . util . List < Expression > XreadExpressions ( java . util . List < Boolean > ascDesc ) { return XreadExpressions ( ascDesc , false ) ; } | Default disallow empty parenthesis | 39 | 6 |
154,563 | static boolean isValid ( int type ) { // make sure this is always synchronized with Zoodefs!! switch ( type ) { case OpCode . notification : return false ; case OpCode . create : case OpCode . delete : case OpCode . createSession : case OpCode . exists : case OpCode . getData : case OpCode . setData : case OpCode . syn... | is the packet type a valid packet in zookeeper | 143 | 11 |
154,564 | public void startSeekingFor ( final Set < Long > hsids , final Map < Long , Boolean > inTrouble ) { // if the mesh hsids change we need to reset if ( ! m_hsids . equals ( hsids ) ) { if ( ! m_hsids . isEmpty ( ) ) clear ( ) ; m_hsids = ImmutableSortedSet . copyOf ( hsids ) ; } // determine the survivors m_survivors = m... | Start accumulate site links graphing information | 154 | 7 |
154,565 | static protected void removeValues ( TreeMultimap < Long , Long > mm , Set < Long > values ) { Iterator < Map . Entry < Long , Long > > itr = mm . entries ( ) . iterator ( ) ; while ( itr . hasNext ( ) ) { Map . Entry < Long , Long > e = itr . next ( ) ; if ( values . contains ( e . getValue ( ) ) ) { itr . remove ( ) ... | Convenience method that remove all instances of the given values from the given map | 102 | 16 |
154,566 | public static Predicate < Map . Entry < Long , Boolean > > amongDeadHsids ( final Set < Long > hsids ) { return new Predicate < Map . Entry < Long , Boolean > > ( ) { @ Override public boolean apply ( Entry < Long , Boolean > e ) { return hsids . contains ( e . getKey ( ) ) && e . getValue ( ) ; } } ; } | returns a map entry predicate that tests whether or not the given map entry describes a dead site | 89 | 19 |
154,567 | private void removeValue ( TreeMultimap < Long , Long > mm , long value ) { Iterator < Map . Entry < Long , Long > > itr = mm . entries ( ) . iterator ( ) ; while ( itr . hasNext ( ) ) { Map . Entry < Long , Long > e = itr . next ( ) ; if ( e . getValue ( ) . equals ( value ) ) { itr . remove ( ) ; } } } | Convenience method that remove all instances of the given value from the given map | 98 | 16 |
154,568 | void add ( long reportingHsid , final Map < Long , Boolean > failed ) { // skip if the reporting site did not belong to the pre // failure mesh if ( ! m_hsids . contains ( reportingHsid ) ) return ; // ship if the reporting site is reporting itself dead Boolean harakiri = failed . get ( reportingHsid ) ; if ( harakiri ... | Adds alive and dead graph information | 323 | 6 |
154,569 | public void add ( long reportingHsid , SiteFailureMessage sfm ) { // skip if the reporting site did not belong to the pre // failure mesh, or the reporting site is reporting itself // dead, or none of the sites in the safe transaction map // are among the known hsids if ( ! m_hsids . contains ( reportingHsid ) || ! sfm... | Adds alive and dead graph information from a reporting site survivor set | 348 | 12 |
154,570 | protected boolean seenByInterconnectedPeers ( Set < Long > destinations , Set < Long > origins ) { Set < Long > seers = Multimaps . filterValues ( m_alive , in ( origins ) ) . keySet ( ) ; int before = origins . size ( ) ; origins . addAll ( seers ) ; if ( origins . containsAll ( destinations ) ) { return true ; } else... | Walk the alive graph to see if there is a connected path between origins and destinations | 115 | 16 |
154,571 | public Set < Long > forWhomSiteIsDead ( long hsid ) { ImmutableSet . Builder < Long > isb = ImmutableSet . builder ( ) ; Set < Long > deadBy = m_dead . get ( hsid ) ; if ( ! deadBy . isEmpty ( ) && m_survivors . contains ( hsid ) && m_strategy == ArbitrationStrategy . MATCHING_CARDINALITY ) { isb . addAll ( Sets . filt... | Is the given hsid considered dead by anyone in my survivor set? | 126 | 14 |
154,572 | protected static InMemoryJarfile addDDLToCatalog ( Catalog oldCatalog , InMemoryJarfile jarfile , String [ ] adhocDDLStmts , boolean isXDCR ) throws IOException , VoltCompilerException { StringBuilder sb = new StringBuilder ( ) ; compilerLog . info ( "Applying the following DDL to cluster:" ) ; for ( String stmt : adho... | Append the supplied adhoc DDL to the current catalog s DDL and recompile the jarfile | 208 | 22 |
154,573 | static protected CompletableFuture < ClientResponse > makeQuickResponse ( byte statusCode , String msg ) { ClientResponseImpl cri = new ClientResponseImpl ( statusCode , new VoltTable [ 0 ] , msg ) ; CompletableFuture < ClientResponse > f = new CompletableFuture <> ( ) ; f . complete ( cri ) ; return f ; } | Error generating shortcut method | 78 | 4 |
154,574 | protected String verifyAndWriteCatalogJar ( CatalogChangeResult ccr ) { String procedureName = "@VerifyCatalogAndWriteJar" ; CompletableFuture < Map < Integer , ClientResponse > > cf = callNTProcedureOnAllHosts ( procedureName , ccr . catalogBytes , ccr . encodedDiffCommands , ccr . catalogHash , ccr . deploymentBytes ... | Run the catalog jar NT procedure to check and write the catalog file . Check the results map from every host and return error message if needed . | 548 | 28 |
154,575 | public static long getNextGenerationId ( ) { // ENG-14511- these calls may hit assertion failures in testing environments try { return UniqueIdGenerator . makeIdFromComponents ( System . currentTimeMillis ( ) , m_generationId . incrementAndGet ( ) , MpInitiator . MP_INIT_PID ) ; } catch ( Throwable t ) { // Try resetti... | Get a unique id for the next generation for export . | 149 | 11 |
154,576 | public User getUser ( String name , String password ) { if ( name == null ) { name = "" ; } if ( password == null ) { password = "" ; } User user = get ( name ) ; user . checkPassword ( password ) ; return user ; } | Returns the User object with the specified name and password from this object s set . | 56 | 16 |
154,577 | public User get ( String name ) { User user = ( User ) userList . get ( name ) ; if ( user == null ) { throw Error . error ( ErrorCode . X_28501 , name ) ; } return user ; } | Returns the User object identified by the name argument . | 50 | 10 |
154,578 | void reset ( int hashTableSize , int capacity ) { // A VoltDB extension to diagnose ArrayOutOfBounds. if ( linkTable != null ) { voltDBresetCapacity = linkTable . length ; } ++ voltDBresetCount ; voltDBlastResetEvent = voltDBhistoryDepth ; voltDBhistoryCapacity = Math . min ( voltDBhistoryMaxCapacity , Math . max ( vol... | Reset the structure with a new size as empty . | 169 | 11 |
154,579 | void clear ( ) { // A VoltDB extension to diagnose ArrayOutOfBounds. if ( linkTable != null ) { voltDBclearCapacity = linkTable . length ; } ++ voltDBclearCount ; voltDBlastClearEvent = voltDBhistoryDepth ; // End of VoltDB extension int to = linkTable . length ; int [ ] intArray = linkTable ; while ( -- to >= 0 ) { in... | Reset the index as empty . | 103 | 7 |
154,580 | void unlinkNode ( int index , int lastLookup , int lookup ) { // A VoltDB extension to diagnose ArrayOutOfBounds. voltDBhistory [ voltDBhistoryDepth ++ % voltDBhistoryCapacity ] = - index - 1 ; // End of VoltDB extension // unlink the node if ( lastLookup == - 1 ) { hashTable [ index ] = linkTable [ lookup ] ; } else {... | Unlink a node from a linked list and link into the reclaimed list . | 131 | 15 |
154,581 | boolean removeEmptyNode ( int lookup ) { // A VoltDB extension to diagnose ArrayOutOfBounds. voltDBhistory [ voltDBhistoryDepth ++ % voltDBhistoryCapacity ] = 1000000 + lookup ; // End of VoltDB extension boolean found = false ; int lastLookup = - 1 ; for ( int i = reclaimedNodePointer ; i >= 0 ; lastLookup = i , i = l... | Remove a node that has already been unlinked . This is not required for index operations . It is used only when the row needs to be removed from the data structures that store the actual indexed data and the nodes need to be contiguous . | 283 | 47 |
154,582 | private static String translateSep ( String sep , boolean isProperty ) { if ( sep == null ) { return null ; } int next = sep . indexOf ( BACKSLASH_CHAR ) ; if ( next != - 1 ) { int start = 0 ; char [ ] sepArray = sep . toCharArray ( ) ; char ch = 0 ; int len = sep . length ( ) ; StringBuffer sb = new StringBuffer ( len... | Translates the escaped characters in a separator string and returns the non - escaped string . | 507 | 19 |
154,583 | public void open ( boolean readonly ) { fileFreePosition = 0 ; try { dataFile = ScaledRAFile . newScaledRAFile ( database , fileName , readonly , ScaledRAFile . DATA_FILE_RAF , null , null ) ; fileFreePosition = dataFile . length ( ) ; if ( fileFreePosition > Integer . MAX_VALUE ) { throw new HsqlException ( "" , "" , ... | Opens a data source file . | 157 | 7 |
154,584 | public synchronized void close ( boolean write ) { if ( dataFile == null ) { return ; } try { cache . saveAll ( ) ; boolean empty = ( dataFile . length ( ) <= NL . length ( ) ) ; dataFile . close ( ) ; dataFile = null ; if ( empty && ! cacheReadonly ) { FileUtil . getDefaultInstance ( ) . delete ( fileName ) ; } } catc... | Writes newly created rows to disk . In the current implentation such rows have already been saved so this method just removes a source file that has no rows . | 136 | 33 |
154,585 | void purge ( ) { uncommittedCache . clear ( ) ; try { if ( cacheReadonly ) { close ( false ) ; } else { if ( dataFile != null ) { dataFile . close ( ) ; dataFile = null ; } FileUtil . getDefaultInstance ( ) . delete ( fileName ) ; } } catch ( Exception e ) { throw Error . error ( ErrorCode . FILE_IO_ERROR , ErrorCode .... | Closes the source file and deletes it if it is not read - only . | 118 | 17 |
154,586 | int findNextUsedLinePos ( int pos ) { try { int firstPos = pos ; int currentPos = pos ; boolean wasCR = false ; dataFile . seek ( pos ) ; while ( true ) { int c = dataFile . read ( ) ; currentPos ++ ; switch ( c ) { case CR_CHAR : wasCR = true ; break ; case LF_CHAR : wasCR = false ; ( ( RowInputText ) rowIn ) . skippe... | Searches from file pointer pos and finds the beginning of the first line that contains any non - space character . Increments the row counter when a blank line is skipped . | 185 | 35 |
154,587 | protected synchronized void saveRows ( CachedObject [ ] rows , int offset , int count ) { if ( count == 0 ) { return ; } for ( int i = offset ; i < offset + count ; i ++ ) { CachedObject r = rows [ i ] ; uncommittedCache . put ( r . getPos ( ) , r ) ; rows [ i ] = null ; } } | This is called internally when old rows need to be removed from the cache . Text table rows that have not been saved are those that have not been committed yet . So we don t save them but add them to the uncommitted cache until such time that they are committed or rolled back - fredt | 83 | 60 |
154,588 | public DoubleHistogram copy ( ) { final DoubleHistogram targetHistogram = new DoubleHistogram ( configuredHighestToLowestValueRatio , getNumberOfSignificantValueDigits ( ) ) ; targetHistogram . setTrackableValueRange ( currentLowestValueInAutoRange , currentHighestValueLimitInAutoRange ) ; integerValuesHistogram . copy... | Create a copy of this histogram complete with data and everything . | 96 | 13 |
154,589 | public void add ( final DoubleHistogram fromHistogram ) throws ArrayIndexOutOfBoundsException { int arrayLength = fromHistogram . integerValuesHistogram . countsArrayLength ; AbstractHistogram fromIntegerHistogram = fromHistogram . integerValuesHistogram ; for ( int i = 0 ; i < arrayLength ; i ++ ) { long count = fromI... | Add the contents of another histogram to this one . | 130 | 11 |
154,590 | public void subtract ( final DoubleHistogram otherHistogram ) { int arrayLength = otherHistogram . integerValuesHistogram . countsArrayLength ; AbstractHistogram otherIntegerHistogram = otherHistogram . integerValuesHistogram ; for ( int i = 0 ; i < arrayLength ; i ++ ) { long otherCount = otherIntegerHistogram . getCo... | Subtract the contents of another histogram from this one . | 197 | 13 |
154,591 | public double highestEquivalentValue ( final double value ) { double nextNonEquivalentValue = nextNonEquivalentValue ( value ) ; // Theoretically, nextNonEquivalentValue - ulp(nextNonEquivalentValue) == nextNonEquivalentValue // is possible (if the ulp size switches right at nextNonEquivalentValue), so drop by 2 ulps a... | Get the highest value that is equivalent to the given value within the histogram s resolution . Where equivalent means that value samples recorded for any two equivalent values are counted in a common total count . | 167 | 38 |
154,592 | public static DoubleHistogram decodeFromCompressedByteBuffer ( final ByteBuffer buffer , final long minBarForHighestToLowestValueRatio ) throws DataFormatException { return decodeFromCompressedByteBuffer ( buffer , Histogram . class , minBarForHighestToLowestValueRatio ) ; } | Construct a new DoubleHistogram by decoding it from a compressed form in a ByteBuffer . | 65 | 18 |
154,593 | public Object getValueAt ( int row , int col ) { if ( row >= rows . size ( ) ) { return null ; } Object [ ] colArray = ( Object [ ] ) rows . elementAt ( row ) ; if ( col >= colArray . length ) { return null ; } return colArray [ col ] ; } | Get the object at the specified cell location . | 69 | 9 |
154,594 | public void setHead ( Object [ ] h ) { headers = new Object [ h . length ] ; // System.arraycopy(h, 0, headers, 0, h.length); for ( int i = 0 ; i < h . length ; i ++ ) { headers [ i ] = h [ i ] ; } } | Set the name of the column headings . | 68 | 9 |
154,595 | public void addRow ( Object [ ] r ) { Object [ ] row = new Object [ r . length ] ; // System.arraycopy(r, 0, row, 0, r.length); for ( int i = 0 ; i < r . length ; i ++ ) { row [ i ] = r [ i ] ; if ( row [ i ] == null ) { // row[i] = "(null)"; } } rows . addElement ( row ) ; } | Append a tuple to the end of the table . | 100 | 11 |
154,596 | public Object [ ] getCurrent ( ) { if ( currentPos < 0 || currentPos >= size ) { return null ; } if ( currentPos == currentOffset + table . length ) { getBlock ( currentOffset + table . length ) ; } return table [ currentPos - currentOffset ] ; } | Returns the current row object . Type of object is implementation defined . | 62 | 13 |
154,597 | void getBlock ( int offset ) { try { RowSetNavigatorClient source = session . getRows ( id , offset , baseBlockSize ) ; table = source . table ; currentOffset = source . currentOffset ; } catch ( HsqlException e ) { } } | baseBlockSize remains unchanged . | 57 | 6 |
154,598 | @ Override public ResultSet getBestRowIdentifier ( String catalog , String schema , String table , int scope , boolean nullable ) throws SQLException { checkClosed ( ) ; throw SQLError . noSupport ( ) ; } | Retrieves a description of a table s optimal set of columns that uniquely identifies a row . | 52 | 19 |
154,599 | @ Override public ResultSet getCatalogs ( ) throws SQLException { checkClosed ( ) ; VoltTable result = new VoltTable ( new VoltTable . ColumnInfo ( "TABLE_CAT" , VoltType . STRING ) ) ; result . addRow ( new Object [ ] { catalogString } ) ; return new JDBC4ResultSet ( null , result ) ; } | Retrieves the catalog names available in this database . | 82 | 11 |
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