idx int64 0 165k | question stringlengths 73 5.81k | target stringlengths 5 918 |
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155,800 | private void respondWithDummy ( ) { final FragmentResponseMessage response = new FragmentResponseMessage ( m_fragmentMsg , m_initiator . getHSId ( ) ) ; response . m_sourceHSId = m_initiator . getHSId ( ) ; response . setRecovering ( true ) ; response . setStatus ( FragmentResponseMessage . SUCCESS , null ) ; for ( int... | Respond with a dummy fragment response . |
155,801 | public FragmentResponseMessage processFragmentTask ( SiteProcedureConnection siteConnection ) { final FragmentResponseMessage currentFragResponse = new FragmentResponseMessage ( m_fragmentMsg , m_initiator . getHSId ( ) ) ; currentFragResponse . setStatus ( FragmentResponseMessage . SUCCESS , null ) ; for ( int frag = ... | modified to work in the new world |
155,802 | public void run ( ) { try { VoltTable partitionKeys = null ; partitionKeys = m_client . callProcedure ( "@GetPartitionKeys" , "INTEGER" ) . getResults ( ) [ 0 ] ; while ( partitionKeys . advanceRow ( ) ) { m_client . callProcedure ( new NullCallback ( ) , "DeleteOldAdRequests" , partitionKeys . getLong ( "PARTITION_KEY... | Remove aged - out data from the ad_requests table . This table is partitioned and may be large so use the run - everywhere pattern to minimize impact to throughput . |
155,803 | public void updateLobUsage ( boolean commit ) { if ( ! hasLobOps ) { return ; } hasLobOps = false ; if ( commit ) { for ( int i = 0 ; i < createdLobs . size ( ) ; i ++ ) { long lobID = createdLobs . get ( i ) ; int delta = lobUsageCount . get ( lobID , 0 ) ; if ( delta == 1 ) { lobUsageCount . remove ( lobID ) ; create... | update LobManager user counts delete lobs that have no usage |
155,804 | public void allocateLobForResult ( ResultLob result , InputStream inputStream ) { long resultLobId = result . getLobID ( ) ; CountdownInputStream countStream ; switch ( result . getSubType ( ) ) { case ResultLob . LobResultTypes . REQUEST_CREATE_BYTES : { long blobId ; long blobLength = result . getBlockLength ( ) ; if... | allocate storage for a new LOB |
155,805 | public void resolveColumnIndexes ( ) { IndexScanPlanNode index_scan = ( IndexScanPlanNode ) getInlinePlanNode ( PlanNodeType . INDEXSCAN ) ; assert ( m_children . size ( ) == 2 && index_scan == null ) ; for ( AbstractPlanNode child : m_children ) { child . resolveColumnIndexes ( ) ; } final NodeSchema outer_schema = m_... | order and TVE indexes for the output SchemaColumns . |
155,806 | public void resolveSortDirection ( ) { AbstractPlanNode outerTable = m_children . get ( 0 ) ; if ( m_joinType == JoinType . FULL ) { m_sortDirection = SortDirectionType . INVALID ; return ; } if ( outerTable instanceof IndexSortablePlanNode ) { m_sortDirection = ( ( IndexSortablePlanNode ) outerTable ) . indexUse ( ) .... | right now only consider the sort direction on the outer table |
155,807 | protected long discountEstimatedProcessedTupleCount ( AbstractPlanNode childNode ) { AbstractExpression predicate = null ; if ( childNode instanceof AbstractScanPlanNode ) { predicate = ( ( AbstractScanPlanNode ) childNode ) . getPredicate ( ) ; } else if ( childNode instanceof NestLoopPlanNode ) { predicate = ( ( Nest... | Discount join node child estimates based on the number of its filters |
155,808 | public Serializable getObject ( ) { try { return InOutUtil . deserialize ( data ) ; } catch ( Exception e ) { throw Error . error ( ErrorCode . X_22521 , e . toString ( ) ) ; } } | This method is called from classes implementing the JDBC interfaces . Inside the engine it is used for conversion from a value of type OTHER to another type . It will throw if the OTHER is an instance of a classe that is not available . |
155,809 | static char [ ] [ ] createReplacementArray ( Map < Character , String > map ) { checkNotNull ( map ) ; if ( map . isEmpty ( ) ) { return EMPTY_REPLACEMENT_ARRAY ; } char max = Collections . max ( map . keySet ( ) ) ; char [ ] [ ] replacements = new char [ max + 1 ] [ ] ; for ( char c : map . keySet ( ) ) { replacements... | original character value . |
155,810 | public int getPrecision ( int param ) throws SQLException { checkRange ( param ) ; Type type = rmd . columnTypes [ -- param ] ; if ( type . isDateTimeType ( ) ) { return type . displaySize ( ) ; } else { long size = type . precision ; if ( size > Integer . MAX_VALUE ) { size = 0 ; } return ( int ) size ; } } | Retrieves the designated parameter s specified column size . |
155,811 | public String getParameterTypeName ( int param ) throws SQLException { checkRange ( param ) ; return rmd . columnTypes [ -- param ] . getNameString ( ) ; } | Retrieves the designated parameter s database - specific type name . |
155,812 | protected static TaskLog initializeTaskLog ( String voltroot , int pid ) { File overflowDir = new File ( voltroot , "join_overflow" ) ; return ProClass . newInstanceOf ( "org.voltdb.rejoin.TaskLogImpl" , "Join" , ProClass . HANDLER_LOG , pid , overflowDir ) ; } | Load the pro task log |
155,813 | protected void restoreBlock ( RestoreWork rejoinWork , SiteProcedureConnection siteConnection ) { kickWatchdog ( true ) ; rejoinWork . restore ( siteConnection ) ; } | Received a datablock . Reset the watchdog timer and hand the block to the Site . |
155,814 | protected void returnToTaskQueue ( boolean sourcesReady ) { if ( sourcesReady ) { m_taskQueue . offer ( this ) ; } else { VoltDB . instance ( ) . scheduleWork ( new ReturnToTaskQueueAction ( ) , 1 , - 1 , TimeUnit . MILLISECONDS ) ; } } | or after waiting a few milliseconds |
155,815 | static void putLong ( ByteBuffer buffer , long value ) { value = ( value << 1 ) ^ ( value >> 63 ) ; if ( value >>> 7 == 0 ) { buffer . put ( ( byte ) value ) ; } else { buffer . put ( ( byte ) ( ( value & 0x7F ) | 0x80 ) ) ; if ( value >>> 14 == 0 ) { buffer . put ( ( byte ) ( value >>> 7 ) ) ; } else { buffer . put ( ... | Writes a long value to the given buffer in LEB128 ZigZag encoded format |
155,816 | static void putInt ( ByteBuffer buffer , int value ) { value = ( value << 1 ) ^ ( value >> 31 ) ; if ( value >>> 7 == 0 ) { buffer . put ( ( byte ) value ) ; } else { buffer . put ( ( byte ) ( ( value & 0x7F ) | 0x80 ) ) ; if ( value >>> 14 == 0 ) { buffer . put ( ( byte ) ( value >>> 7 ) ) ; } else { buffer . put ( ( ... | Writes an int value to the given buffer in LEB128 - 64b9B ZigZag encoded format |
155,817 | static long getLong ( ByteBuffer buffer ) { long v = buffer . get ( ) ; long value = v & 0x7F ; if ( ( v & 0x80 ) != 0 ) { v = buffer . get ( ) ; value |= ( v & 0x7F ) << 7 ; if ( ( v & 0x80 ) != 0 ) { v = buffer . get ( ) ; value |= ( v & 0x7F ) << 14 ; if ( ( v & 0x80 ) != 0 ) { v = buffer . get ( ) ; value |= ( v & ... | Read an LEB128 - 64b9B ZigZag encoded long value from the given buffer |
155,818 | static int getInt ( ByteBuffer buffer ) { int v = buffer . get ( ) ; int value = v & 0x7F ; if ( ( v & 0x80 ) != 0 ) { v = buffer . get ( ) ; value |= ( v & 0x7F ) << 7 ; if ( ( v & 0x80 ) != 0 ) { v = buffer . get ( ) ; value |= ( v & 0x7F ) << 14 ; if ( ( v & 0x80 ) != 0 ) { v = buffer . get ( ) ; value |= ( v & 0x7F... | Read an LEB128 - 64b9B ZigZag encoded int value from the given buffer |
155,819 | static public void main ( String [ ] sa ) throws IOException , TarMalformatException { if ( sa . length < 1 ) { System . out . println ( RB . singleton . getString ( RB . TARREADER_SYNTAX , TarReader . class . getName ( ) ) ) ; System . out . println ( RB . singleton . getString ( RB . LISTING_FORMAT ) ) ; System . exi... | Reads a specified tar file or stdin in order to either list or extract the file tar entries depending on the first argument being t or x using default read buffer blocks . |
155,820 | public static Date getDateFromUniqueId ( long uniqueId ) { long time = uniqueId >> ( COUNTER_BITS + PARTITIONID_BITS ) ; time += VOLT_EPOCH ; return new Date ( time ) ; } | Given a unique id return the time of its creation by examining the embedded timestamp . |
155,821 | public static Object createObject ( String classname ) throws ParseException { Class < ? > cl ; try { cl = Class . forName ( classname ) ; } catch ( ClassNotFoundException cnfe ) { throw new ParseException ( "Unable to find the class: " + classname ) ; } try { return cl . newInstance ( ) ; } catch ( Exception e ) { thr... | Create an Object from the classname and empty constructor . |
155,822 | public static Number createNumber ( String str ) throws ParseException { try { if ( str . indexOf ( '.' ) != - 1 ) { return Double . valueOf ( str ) ; } return Long . valueOf ( str ) ; } catch ( NumberFormatException e ) { throw new ParseException ( e . getMessage ( ) ) ; } } | Create a number from a String . If a . is present it creates a Double otherwise a Long . |
155,823 | private boolean fixupACL ( List < Id > authInfo , List < ACL > acl ) { if ( skipACL ) { return true ; } if ( acl == null || acl . size ( ) == 0 ) { return false ; } Iterator < ACL > it = acl . iterator ( ) ; LinkedList < ACL > toAdd = null ; while ( it . hasNext ( ) ) { ACL a = it . next ( ) ; Id id = a . getId ( ) ; i... | This method checks out the acl making sure it isn t null or empty it has valid schemes and ids and expanding any relative ids that depend on the requestor s authentication information . |
155,824 | public boolean authenticate ( ClientAuthScheme scheme , String fromAddress ) { if ( m_done ) throw new IllegalStateException ( "this authentication request has a result" ) ; boolean authenticated = false ; try { authenticated = authenticateImpl ( scheme , fromAddress ) ; } catch ( Exception ex ) { m_authenticationFailu... | Perform the authentication request |
155,825 | public long run ( String symbol , TimestampType time , long seq_number , String exchange , int bidPrice , int bidSize , int askPrice , int askSize ) throws VoltAbortException { Integer bidPriceSafe = askPrice > 0 ? askPrice : null ; Integer askPriceSafe = askPrice > 0 ? askPrice : null ; voltQueueSQL ( insertTick , sym... | main method the procedure starts here . |
155,826 | public static < K extends Comparable < ? > , V > Builder < K , V > builder ( ) { return new Builder < K , V > ( ) ; } | Returns a new builder for an immutable range map . |
155,827 | void setLeaderState ( boolean isLeader ) { m_isLeader = isLeader ; if ( m_isLeader ) { if ( ! m_logSP . isEmpty ( ) ) { truncate ( m_logSP . getLast ( ) . getHandle ( ) , IS_SP ) ; } } } | leaders log differently |
155,828 | public void deliver ( VoltMessage msg ) { if ( ! m_isLeader && msg instanceof Iv2InitiateTaskMessage ) { final Iv2InitiateTaskMessage m = ( Iv2InitiateTaskMessage ) msg ; if ( m . isReadOnly ( ) ) { return ; } m_lastSpHandle = m . getSpHandle ( ) ; truncate ( m . getTruncationHandle ( ) , IS_SP ) ; if ( "@MigratePartit... | the repairLog if the message includes a truncation hint . |
155,829 | private void truncate ( long handle , boolean isSP ) { if ( handle == Long . MIN_VALUE ) { return ; } Deque < RepairLog . Item > deq = null ; if ( isSP ) { deq = m_logSP ; if ( m_truncationHandle < handle ) { m_truncationHandle = handle ; notifyTxnCommitInterests ( handle ) ; } } else { deq = m_logMP ; } RepairLog . It... | trim unnecessary log messages . |
155,830 | public List < Iv2RepairLogResponseMessage > contents ( long requestId , boolean forMPI ) { List < Item > items = new LinkedList < Item > ( ) ; items . addAll ( m_logMP ) ; if ( ! forMPI ) { items . addAll ( m_logSP ) ; } Collections . sort ( items , m_handleComparator ) ; int ofTotal = items . size ( ) + 1 ; if ( repai... | produce the contents of the repair log . |
155,831 | public final synchronized void endProcedure ( boolean aborted , boolean failed , SingleCallStatsToken statsToken ) { if ( aborted ) { m_procStatsData . m_abortCount ++ ; } if ( failed ) { m_procStatsData . m_failureCount ++ ; } m_procStatsData . m_invocations ++ ; if ( ! statsToken . samplingProcedure ( ) ) { return ; ... | Called after a procedure is finished executing . Compares the start and end time and calculates the statistics . |
155,832 | public final synchronized void endFragment ( String stmtName , boolean isCoordinatorTask , boolean failed , boolean sampledStmt , long duration , int resultSize , int parameterSetSize ) { if ( stmtName == null ) { return ; } StatementStats stmtStats = m_stmtStatsMap . get ( stmtName ) ; if ( stmtStats == null ) { retur... | This function will be called after a statement finish running . It updates the data structures to maintain the statistics . |
155,833 | public synchronized Session newSession ( Database db , User user , boolean readonly , boolean forLog , int timeZoneSeconds ) { Session s = new Session ( db , user , ! forLog , ! forLog , readonly , sessionIdCount , timeZoneSeconds ) ; s . isProcessingLog = forLog ; sessionMap . put ( sessionIdCount , s ) ; sessionIdCou... | Binds the specified Session object into this SessionManager s active Session registry . This method is typically called internally as the final step when a successful connection has been made . |
155,834 | public Session getSysSessionForScript ( Database db ) { Session session = new Session ( db , db . getUserManager ( ) . getSysUser ( ) , false , false , false , 0 , 0 ) ; session . isProcessingScript = true ; return session ; } | Retrieves a new SYS Session . |
155,835 | public synchronized void closeAllSessions ( ) { Session [ ] sessions = getAllSessions ( ) ; for ( int i = 0 ; i < sessions . length ; i ++ ) { sessions [ i ] . close ( ) ; } } | Closes all Sessions registered with this SessionManager . |
155,836 | public HostAndPort withDefaultPort ( int defaultPort ) { checkArgument ( isValidPort ( defaultPort ) ) ; if ( hasPort ( ) || port == defaultPort ) { return this ; } return new HostAndPort ( host , defaultPort , hasBracketlessColons ) ; } | Provide a default port if the parsed string contained only a host . |
155,837 | public Runnable writeCatalogJarToFile ( String path , String name , CatalogJarWriteMode mode ) throws IOException { File catalogFile = new VoltFile ( path , name ) ; File catalogTmpFile = new VoltFile ( path , name + ".tmp" ) ; if ( mode == CatalogJarWriteMode . CATALOG_UPDATE ) { catalogFile . delete ( ) ; catalogTmpF... | Write replace or update the catalog jar based on different cases . This function assumes any IOException should lead to fatal crash . |
155,838 | public Class < ? > classForProcedureOrUDF ( String procedureClassName ) throws LinkageError , ExceptionInInitializerError , ClassNotFoundException { return classForProcedureOrUDF ( procedureClassName , m_catalogInfo . m_jarfile . getLoader ( ) ) ; } | Given a class name in the catalog jar loads it from the jar even if the jar is served from an URL and isn t in the classpath . |
155,839 | public DeploymentType getDeployment ( ) { if ( m_memoizedDeployment == null ) { m_memoizedDeployment = CatalogUtil . getDeployment ( new ByteArrayInputStream ( m_catalogInfo . m_deploymentBytes ) ) ; if ( m_memoizedDeployment == null ) { VoltDB . crashLocalVoltDB ( "The internal deployment bytes are invalid. This shou... | Get the JAXB XML Deployment object which is memoized |
155,840 | public boolean removeAfter ( Node node ) { if ( node == null || node . next == null ) { return false ; } if ( node . next == last ) { last = node ; } node . next = node . next . next ; return true ; } | Removes the given node to allow removel from iterators |
155,841 | protected ProcedurePartitionData parseCreateProcedureClauses ( ProcedureDescriptor descriptor , String clauses ) throws VoltCompilerException { if ( clauses == null || clauses . isEmpty ( ) ) { return null ; } ProcedurePartitionData data = null ; Matcher matcher = SQLParser . matchAnyCreateProcedureStatementClause ( cl... | Parse and validate the substring containing ALLOW and PARTITION clauses for CREATE PROCEDURE . |
155,842 | public static void interactWithTheUser ( ) throws Exception { final SQLConsoleReader interactiveReader = new SQLConsoleReader ( new FileInputStream ( FileDescriptor . in ) , System . out ) ; interactiveReader . setBellEnabled ( false ) ; FileHistory historyFile = null ; try { historyFile = new FileHistory ( new File ( ... | The main loop for interactive mode . |
155,843 | static void executeScriptFiles ( List < FileInfo > filesInfo , SQLCommandLineReader parentLineReader , DDLParserCallback callback ) throws IOException { LineReaderAdapter adapter = null ; SQLCommandLineReader reader = null ; StringBuilder statements = new StringBuilder ( ) ; if ( ! m_interactive && callback == null ) {... | Reads a script file and executes its content . Note that the script file could be an inline batch i . e . a here document that is coming from the same input stream as the file directive . |
155,844 | private static void printUsage ( String msg ) { System . out . print ( msg ) ; System . out . println ( "\n" ) ; m_exitCode = - 1 ; printUsage ( ) ; } | General application support |
155,845 | static void printHelp ( OutputStream prtStr ) { try { InputStream is = SQLCommand . class . getResourceAsStream ( m_readme ) ; while ( is . available ( ) > 0 ) { byte [ ] bytes = new byte [ is . available ( ) ] ; is . read ( bytes , 0 , bytes . length ) ; prtStr . write ( bytes ) ; } } catch ( Exception x ) { System . ... | Default visibility is for test purposes . |
155,846 | public static void main ( String args [ ] ) { System . setProperty ( "voltdb_no_logging" , "true" ) ; int exitCode = mainWithReturnCode ( args ) ; System . exit ( exitCode ) ; } | Application entry point |
155,847 | private synchronized void checkTimeout ( final long timeoutMs ) { final Entry < Integer , SendWork > oldest = m_outstandingWork . firstEntry ( ) ; if ( oldest != null ) { final long now = System . currentTimeMillis ( ) ; SendWork work = oldest . getValue ( ) ; if ( ( now - work . m_ts ) > timeoutMs ) { StreamSnapshotTi... | Called by the watchdog from the periodic work thread to check if the oldest unacked block is older than the timeout interval . |
155,848 | synchronized void clearOutstanding ( ) { if ( m_outstandingWork . isEmpty ( ) && ( m_outstandingWorkCount . get ( ) == 0 ) ) { return ; } rejoinLog . trace ( "Clearing outstanding work." ) ; for ( Entry < Integer , SendWork > e : m_outstandingWork . entrySet ( ) ) { e . getValue ( ) . discard ( ) ; } m_outstandingWork ... | Idempotent synchronized method to perform all cleanup of outstanding work so buffers aren t leaked . |
155,849 | public synchronized void receiveAck ( int blockIndex ) { SendWork work = m_outstandingWork . get ( blockIndex ) ; if ( work == null || work . m_ackCounter == null ) { rejoinLog . warn ( "Received invalid blockIndex ack for targetId " + m_targetId + " for index " + String . valueOf ( blockIndex ) + ( ( work == null ) ? ... | Synchronized method to handle the arrival of an Ack . |
155,850 | synchronized ListenableFuture < Boolean > send ( StreamSnapshotMessageType type , int blockIndex , BBContainer chunk , boolean replicatedTable ) { SettableFuture < Boolean > sendFuture = SettableFuture . create ( ) ; rejoinLog . trace ( "Sending block " + blockIndex + " of type " + ( replicatedTable ? "REPLICATED " : "... | Send data to the rejoining node tracking what was sent for ack tracking . Synchronized to protect access to m_outstandingWork and to keep m_outstandingWorkCount in sync with m_outstandingWork . |
155,851 | public static String toSchemaWithoutInlineBatches ( String schema ) { StringBuilder sb = new StringBuilder ( schema ) ; int i = sb . indexOf ( batchSpecificComments ) ; if ( i != - 1 ) { sb . delete ( i , i + batchSpecificComments . length ( ) ) ; } i = sb . indexOf ( startBatch ) ; if ( i != - 1 ) { sb . delete ( i , ... | Given a schema strips out inline batch statements and associated comments . |
155,852 | final void shutdown ( ) throws InterruptedException { m_timeoutReaperHandle . cancel ( false ) ; m_ex . shutdown ( ) ; if ( CoreUtils . isJunitTest ( ) ) { m_ex . awaitTermination ( 1 , TimeUnit . SECONDS ) ; } else { m_ex . awaitTermination ( 365 , TimeUnit . DAYS ) ; } m_network . shutdown ( ) ; if ( m_cipherService ... | Shutdown the VoltNetwork allowing the Ports to close and free resources like memory pools |
155,853 | public long getPartitionForParameter ( byte typeValue , Object value ) { if ( m_hashinator == null ) { return - 1 ; } return m_hashinator . getHashedPartitionForParameter ( typeValue , value ) ; } | This is used by clients such as CSVLoader which puts processing into buckets . |
155,854 | private void refreshPartitionKeys ( boolean topologyUpdate ) { long interval = System . currentTimeMillis ( ) - m_lastPartitionKeyFetched . get ( ) ; if ( ! m_useClientAffinity && interval < PARTITION_KEYS_INFO_REFRESH_FREQUENCY ) { return ; } try { ProcedureInvocation invocation = new ProcedureInvocation ( m_sysHandle... | Set up partitions . |
155,855 | public void addSortExpressions ( List < AbstractExpression > sortExprs , List < SortDirectionType > sortDirs ) { assert ( sortExprs . size ( ) == sortDirs . size ( ) ) ; for ( int i = 0 ; i < sortExprs . size ( ) ; ++ i ) { addSortExpression ( sortExprs . get ( i ) , sortDirs . get ( i ) ) ; } } | Add multiple sort expressions to the order - by |
155,856 | public void addSortExpression ( AbstractExpression sortExpr , SortDirectionType sortDir ) { assert ( sortExpr != null ) ; m_sortExpressions . add ( sortExpr . clone ( ) ) ; m_sortDirections . add ( sortDir ) ; } | Add a sort expression to the order - by |
155,857 | static java . util . logging . Level getPriorityForLevel ( Level level ) { switch ( level ) { case DEBUG : return java . util . logging . Level . FINEST ; case ERROR : return java . util . logging . Level . SEVERE ; case FATAL : return java . util . logging . Level . SEVERE ; case INFO : return java . util . logging . ... | Convert the VoltLogger Level to the java . ulil . logging Level |
155,858 | void checkAddColumn ( ColumnSchema col ) { if ( table . isText ( ) && ! table . isEmpty ( session ) ) { throw Error . error ( ErrorCode . X_S0521 ) ; } if ( table . findColumn ( col . getName ( ) . name ) != - 1 ) { throw Error . error ( ErrorCode . X_42504 ) ; } if ( col . isPrimaryKey ( ) && table . hasPrimaryKey ( )... | Checks if the attributes of the Column argument c are compatible with the operation of adding such a Column to the Table argument table . |
155,859 | void makeNewTable ( OrderedHashSet dropConstraintSet , OrderedHashSet dropIndexSet ) { Table tn = table . moveDefinition ( session , table . tableType , null , null , null , - 1 , 0 , dropConstraintSet , dropIndexSet ) ; if ( tn . indexList . length == table . indexList . length ) { database . persistentStoreCollection... | Drops constriants and their indexes in table . Uses set of names . |
155,860 | Index addIndex ( int [ ] col , HsqlName name , boolean unique , boolean migrating ) { Index newindex ; if ( table . isEmpty ( session ) || table . isIndexingMutable ( ) ) { PersistentStore store = session . sessionData . getRowStore ( table ) ; newindex = table . createIndex ( store , name , col , null , null , unique ... | Because of the way indexes and column data are held in memory and on disk it is necessary to recreate the table when an index is added to a non - empty cached table . |
155,861 | void dropIndex ( String indexName ) { Index index ; index = table . getIndex ( indexName ) ; if ( table . isIndexingMutable ( ) ) { table . dropIndex ( session , indexName ) ; } else { OrderedHashSet indexSet = new OrderedHashSet ( ) ; indexSet . add ( table . getIndex ( indexName ) . getName ( ) ) ; Table tn = table .... | Because of the way indexes and column data are held in memory and on disk it is necessary to recreate the table when an index is added to or removed from a non - empty table . |
155,862 | void retypeColumn ( ColumnSchema oldCol , ColumnSchema newCol ) { boolean allowed = true ; int oldType = oldCol . getDataType ( ) . typeCode ; int newType = newCol . getDataType ( ) . typeCode ; if ( ! table . isEmpty ( session ) && oldType != newType ) { allowed = newCol . getDataType ( ) . canConvertFrom ( oldCol . g... | Allows changing the type or addition of an IDENTITY sequence . |
155,863 | void setColNullability ( ColumnSchema column , boolean nullable ) { Constraint c = null ; int colIndex = table . getColumnIndex ( column . getName ( ) . name ) ; if ( column . isNullable ( ) == nullable ) { return ; } if ( nullable ) { if ( column . isPrimaryKey ( ) ) { throw Error . error ( ErrorCode . X_42526 ) ; } t... | performs the work for changing the nullability of a column |
155,864 | void setColDefaultExpression ( int colIndex , Expression def ) { if ( def == null ) { table . checkColumnInFKConstraint ( colIndex , Constraint . SET_DEFAULT ) ; } table . setDefaultExpression ( colIndex , def ) ; } | performs the work for changing the default value of a column |
155,865 | public boolean setTableType ( Session session , int newType ) { int currentType = table . getTableType ( ) ; if ( currentType == newType ) { return false ; } switch ( newType ) { case TableBase . CACHED_TABLE : break ; case TableBase . MEMORY_TABLE : break ; default : return false ; } Table tn ; try { tn = table . move... | Changes the type of a table |
155,866 | Index addExprIndex ( int [ ] col , Expression [ ] indexExprs , HsqlName name , boolean unique , boolean migrating , Expression predicate ) { Index newindex ; if ( table . isEmpty ( session ) || table . isIndexingMutable ( ) ) { newindex = table . createAndAddExprIndexStructure ( name , col , indexExprs , unique , migra... | A VoltDB extended variant of addIndex that supports indexed generalized non - column expressions . |
155,867 | Index addIndex ( int [ ] col , HsqlName name , boolean unique , boolean migrating , Expression predicate ) { return addIndex ( col , name , unique , migrating ) . withPredicate ( predicate ) ; } | A VoltDB extended variant of addIndex that supports partial index predicate . |
155,868 | static public ParsedColInfo fromOrderByXml ( AbstractParsedStmt parsedStmt , VoltXMLElement orderByXml ) { ExpressionAdjuster adjuster = new ExpressionAdjuster ( ) { public AbstractExpression adjust ( AbstractExpression expr ) { ExpressionUtil . finalizeValueTypes ( expr ) ; return expr ; } } ; return fromOrderByXml ( ... | Construct a ParsedColInfo from Volt XML . |
155,869 | static public ParsedColInfo fromOrderByXml ( AbstractParsedStmt parsedStmt , VoltXMLElement orderByXml , ExpressionAdjuster adjuster ) { assert ( orderByXml . name . equalsIgnoreCase ( "orderby" ) ) ; String desc = orderByXml . attributes . get ( "desc" ) ; boolean descending = ( desc != null ) && ( desc . equalsIgnore... | Construct a ParsedColInfo from Volt XML . Allow caller to specify actions to finalize the parsed expression . |
155,870 | public SchemaColumn asSchemaColumn ( ) { String columnAlias = ( m_alias == null ) ? m_columnName : m_alias ; return new SchemaColumn ( m_tableName , m_tableAlias , m_columnName , columnAlias , m_expression , m_differentiator ) ; } | Return this as an instance of SchemaColumn |
155,871 | public static void crashVoltDB ( String reason , String traces [ ] , String filename , int lineno ) { VoltLogger hostLog = new VoltLogger ( "HOST" ) ; String fn = ( filename == null ) ? "unknown" : filename ; String re = ( reason == null ) ? "Fatal EE error." : reason ; hostLog . fatal ( re + " In " + fn + ":" + lineno... | Call VoltDB . crashVoltDB on behalf of the EE |
155,872 | public byte [ ] nextDependencyAsBytes ( final int dependencyId ) { final VoltTable vt = m_dependencyTracker . nextDependency ( dependencyId ) ; if ( vt != null ) { final ByteBuffer buf2 = PrivateVoltTableFactory . getTableDataReference ( vt ) ; int pos = buf2 . position ( ) ; byte [ ] bytes = new byte [ buf2 . limit ( ... | Called from the ExecutionEngine to request serialized dependencies . |
155,873 | public void loadCatalog ( long timestamp , String serializedCatalog ) { try { setupProcedure ( null ) ; m_fragmentContext = FragmentContext . CATALOG_LOAD ; coreLoadCatalog ( timestamp , getStringBytes ( serializedCatalog ) ) ; } finally { m_fragmentContext = FragmentContext . UNKNOWN ; } } | Pass the catalog to the engine |
155,874 | public final void updateCatalog ( final long timestamp , final boolean isStreamUpdate , final String diffCommands ) throws EEException { try { setupProcedure ( null ) ; m_fragmentContext = FragmentContext . CATALOG_UPDATE ; coreUpdateCatalog ( timestamp , isStreamUpdate , diffCommands ) ; } finally { m_fragmentContext ... | Pass diffs to apply to the EE s catalog to update it |
155,875 | public FastDeserializer executePlanFragments ( int numFragmentIds , long [ ] planFragmentIds , long [ ] inputDepIds , Object [ ] parameterSets , DeterminismHash determinismHash , String [ ] sqlTexts , boolean [ ] isWriteFrags , int [ ] sqlCRCs , long txnId , long spHandle , long lastCommittedSpHandle , long uniqueId , ... | Run multiple plan fragments |
155,876 | public synchronized void setFlushInterval ( long delay , long seconds ) { if ( m_flush != null ) { m_flush . cancel ( false ) ; m_flush = null ; } if ( seconds > 0 ) { m_flush = m_ses . scheduleAtFixedRate ( new Runnable ( ) { public void run ( ) { try { flush ( ) ; } catch ( Exception e ) { loaderLog . error ( "Failed... | Set periodic flush interval and initial delay in seconds . |
155,877 | public synchronized void close ( ) { if ( isClosed ) { return ; } rollback ( false ) ; try { database . logger . writeToLog ( this , Tokens . T_DISCONNECT ) ; } catch ( HsqlException e ) { } sessionData . closeAllNavigators ( ) ; sessionData . persistentStoreCollection . clearAllTables ( ) ; sessionData . closeResultCa... | Closes this Session . |
155,878 | public void setIsolation ( int level ) { if ( isInMidTransaction ( ) ) { throw Error . error ( ErrorCode . X_25001 ) ; } if ( level == SessionInterface . TX_READ_UNCOMMITTED ) { isReadOnly = true ; } isolationMode = level ; if ( isolationMode != isolationModeDefault ) { database . logger . writeToLog ( this , getTransa... | sets ISOLATION for the next transaction only |
155,879 | void checkDDLWrite ( ) { checkReadWrite ( ) ; if ( isProcessingScript || isProcessingLog ) { return ; } if ( database . isFilesReadOnly ( ) ) { throw Error . error ( ErrorCode . DATABASE_IS_READONLY ) ; } } | This is used for creating new database objects such as tables . |
155,880 | void addDeleteAction ( Table table , Row row ) { if ( abortTransaction ) { } database . txManager . addDeleteAction ( this , table , row ) ; } | Adds a delete action to the row and the transaction manager . |
155,881 | public synchronized void setAutoCommit ( boolean autocommit ) { if ( isClosed ) { return ; } if ( autocommit != isAutoCommit ) { commit ( false ) ; isAutoCommit = autocommit ; } } | Setter for the autocommit attribute . |
155,882 | public synchronized void commit ( boolean chain ) { if ( isClosed ) { return ; } if ( ! isTransaction ) { isReadOnly = isReadOnlyDefault ; isolationMode = isolationModeDefault ; return ; } if ( ! database . txManager . commitTransaction ( this ) ) { rollback ( false ) ; throw Error . error ( ErrorCode . X_40001 ) ; } e... | Commits any uncommited transaction this Session may have open |
155,883 | public synchronized void rollback ( boolean chain ) { if ( isClosed ) { return ; } if ( ! isTransaction ) { isReadOnly = isReadOnlyDefault ; isolationMode = isolationModeDefault ; return ; } try { database . logger . writeToLog ( this , Tokens . T_ROLLBACK ) ; } catch ( HsqlException e ) { } database . txManager . roll... | Rolls back any uncommited transaction this Session may have open . |
155,884 | public synchronized void savepoint ( String name ) { int index = sessionContext . savepoints . getIndex ( name ) ; if ( index != - 1 ) { sessionContext . savepoints . remove ( name ) ; sessionContext . savepointTimestamps . remove ( index ) ; } sessionContext . savepoints . add ( name , ValuePool . getInt ( rowActionLi... | Registers a transaction SAVEPOINT . A new SAVEPOINT with the name of an existing one replaces the old SAVEPOINT . |
155,885 | public synchronized void rollbackToSavepoint ( String name ) { if ( isClosed ) { return ; } int index = sessionContext . savepoints . getIndex ( name ) ; if ( index < 0 ) { throw Error . error ( ErrorCode . X_3B001 , name ) ; } database . txManager . rollbackSavepoint ( this , index ) ; try { database . logger . writeT... | Performs a partial transaction ROLLBACK to savepoint . |
155,886 | public synchronized void rollbackToSavepoint ( ) { if ( isClosed ) { return ; } String name = ( String ) sessionContext . savepoints . getKey ( 0 ) ; database . txManager . rollbackSavepoint ( this , 0 ) ; try { database . logger . writeToLog ( this , getSavepointRollbackSQL ( name ) ) ; } catch ( HsqlException e ) { }... | Performs a partial transaction ROLLBACK of current savepoint level . |
155,887 | public synchronized void releaseSavepoint ( String name ) { int index = sessionContext . savepoints . getIndex ( name ) ; if ( index < 0 ) { throw Error . error ( ErrorCode . X_3B001 , name ) ; } while ( sessionContext . savepoints . size ( ) > index ) { sessionContext . savepoints . remove ( sessionContext . savepoint... | Releases a savepoint |
155,888 | public void setReadOnly ( boolean readonly ) { if ( ! readonly && database . databaseReadOnly ) { throw Error . error ( ErrorCode . DATABASE_IS_READONLY ) ; } if ( isInMidTransaction ( ) ) { throw Error . error ( ErrorCode . X_25001 ) ; } isReadOnly = readonly ; } | sets READ ONLY for next transaction only |
155,889 | private Result executeResultUpdate ( Result cmd ) { long id = cmd . getResultId ( ) ; int actionType = cmd . getActionType ( ) ; Result result = sessionData . getDataResult ( id ) ; if ( result == null ) { return Result . newErrorResult ( Error . error ( ErrorCode . X_24501 ) ) ; } Object [ ] pvals = cmd . getParameter... | Retrieves the result of inserting updating or deleting a row from an updatable result . |
155,890 | HsqlName getSchemaHsqlName ( String name ) { return name == null ? currentSchema : database . schemaManager . getSchemaHsqlName ( name ) ; } | If schemaName is null return the current schema name else return the HsqlName object for the schema . If schemaName does not exist throw . |
155,891 | public String getSchemaName ( String name ) { return name == null ? currentSchema . name : database . schemaManager . getSchemaName ( name ) ; } | Same as above but return string |
155,892 | public Table defineLocalTable ( HsqlName tableName , HsqlName [ ] colNames , Type [ ] colTypes ) { assert ( localTables != null ) ; Table newTable = TableUtil . newTable ( database , TableBase . CACHED_TABLE , tableName ) ; TableUtil . setColumnsInSchemaTable ( newTable , colNames , colTypes ) ; newTable . createPrimar... | Define a local table with the given name column names and column types . |
155,893 | public void updateLocalTable ( HsqlName queryName , Type [ ] finalTypes ) { assert ( localTables != null ) ; Table tbl = getLocalTable ( queryName . name ) ; assert ( tbl != null ) ; TableUtil . updateColumnTypes ( tbl , finalTypes ) ; } | Update the local table with new types . This is very dubious . |
155,894 | void logSequences ( ) { OrderedHashSet set = sessionData . sequenceUpdateSet ; if ( set == null || set . isEmpty ( ) ) { return ; } for ( int i = 0 , size = set . size ( ) ; i < size ; i ++ ) { NumberSequence sequence = ( NumberSequence ) set . get ( i ) ; database . logger . writeSequenceStatement ( this , sequence ) ... | SEQUENCE current values |
155,895 | public void addLiteralSchema ( String ddlText ) throws IOException { File temp = File . createTempFile ( "literalschema" , "sql" ) ; temp . deleteOnExit ( ) ; FileWriter out = new FileWriter ( temp ) ; out . write ( ddlText ) ; out . close ( ) ; addSchema ( URLEncoder . encode ( temp . getAbsolutePath ( ) , "UTF-8" ) )... | This is test code written by Ryan even though it was committed by John . |
155,896 | public void addSchema ( String schemaURL ) { try { schemaURL = URLDecoder . decode ( schemaURL , "UTF-8" ) ; } catch ( final UnsupportedEncodingException e ) { e . printStackTrace ( ) ; System . exit ( - 1 ) ; } assert ( m_schemas . contains ( schemaURL ) == false ) ; final File schemaFile = new File ( schemaURL ) ; as... | Add a schema based on a URL . |
155,897 | private static boolean isParameterized ( VoltXMLElement elm ) { final String name = elm . name ; if ( name . equals ( "value" ) ) { return elm . getBoolAttribute ( "isparam" , false ) ; } else if ( name . equals ( "vector" ) || name . equals ( "row" ) ) { return elm . children . stream ( ) . anyMatch ( ExpressionUtil :... | Helper to check if a VoltXMLElement contains parameter . |
155,898 | private static String getType ( Database db , VoltXMLElement elm ) { final String type = elm . getStringAttribute ( "valuetype" , "" ) ; if ( ! type . isEmpty ( ) ) { return type ; } else if ( elm . name . equals ( "columnref" ) ) { final String tblName = elm . getStringAttribute ( "table" , "" ) ; final int colIndex =... | Get the underlying type of the VoltXMLElement node . Need reference to the catalog for PVE |
155,899 | private static String guessParameterType ( Database db , VoltXMLElement elm ) { if ( ! isParameterized ( elm ) || ! elm . name . equals ( "operation" ) ) { return "" ; } else { final ExpressionType op = mapOfVoltXMLOpType . get ( elm . attributes . get ( "optype" ) ) ; assert op != null ; switch ( op ) { case CONJUNCTI... | Guess from a parent node what are the parameter type of its child node should one of its child node contain parameter . |
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