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private static void fixDistributedApproxCountDistinct( AggregatePlanNode distNode, AggregatePlanNode coordNode) { assert (distNode != null); assert (coordNode != null); // Patch up any APPROX_COUNT_DISTINCT on the distributed node. List<ExpressionType> distAggTy...
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protected AbstractPlanNode checkLimitPushDownViability( AbstractPlanNode root) { AbstractPlanNode receiveNode = root; List<ParsedColInfo> orderBys = m_parsedSelect.orderByColumns(); boolean orderByCoversAllGroupBy = m_parsedSelect.groupByIsAnOrderByPermutation(); while ( ! (...
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private static Set<String> getIndexedColumnSetForTable(Table table) { HashSet<String> columns = new HashSet<>(); for (Index index : table.getIndexes()) { for (ColumnRef colRef : index.getColumns()) { columns.add(colRef.getColumn().getTypeName()); } } ...
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private static boolean isNullRejecting(Collection<String> tableAliases, List<AbstractExpression> exprs) { for (AbstractExpression expr : exprs) { for (String tableAlias : tableAliases) { if (ExpressionUtil.isNullRejectingExpression(expr, tableAlias)) { ...
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private int determineIndexOrdering(StmtTableScan tableScan, int keyComponentCount, List<AbstractExpression> indexedExprs, List<ColumnRef> indexedColRefs, AccessPath retval, int[] orderSpoilers, List<AbstractExpression> bindingsForOrder) { ...
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private static List<AbstractExpression> findBindingsForOneIndexedExpression(ExpressionOrColumn nextStatementEOC, ExpressionOrColumn indexEntry) { assert(nextStatementEOC.m_expr != null); AbstractExpression nextStatementExpr = nextStatementEOC.m_expr; ...
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private static boolean removeExactMatchCoveredExpressions( AbstractExpression coveringExpr, List<AbstractExpression> exprsToCover) { boolean hasMatch = false; Iterator<AbstractExpression> iter = exprsToCover.iterator(); while(iter.hasNext()) { AbstractExpression exprToCo...
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private static List<AbstractExpression> removeNotNullCoveredExpressions(StmtTableScan tableScan, List<AbstractExpression> coveringExprs, List<AbstractExpression> exprsToCover) { // Collect all TVEs from NULL-rejecting covering expressions Set<TupleValueExpression> coveringTves = new HashSet<>(); ...
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protected static AbstractPlanNode addSendReceivePair(AbstractPlanNode scanNode) { SendPlanNode sendNode = new SendPlanNode(); sendNode.addAndLinkChild(scanNode); ReceivePlanNode recvNode = new ReceivePlanNode(); recvNode.addAndLinkChild(sendNode); return recvNode; }
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protected static AbstractPlanNode getAccessPlanForTable(JoinNode tableNode) { StmtTableScan tableScan = tableNode.getTableScan(); // Access path to access the data in the table (index/scan/etc). AccessPath path = tableNode.m_currentAccessPath; assert(path != null); // if no inde...
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private static AbstractPlanNode getIndexAccessPlanForTable( StmtTableScan tableScan, AccessPath path) { // now assume this will be an index scan and get the relevant index Index index = path.index; IndexScanPlanNode scanNode = new IndexScanPlanNode(tableScan, index); Abstract...
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private static AbstractPlanNode injectIndexedJoinWithMaterializedScan( AbstractExpression listElements, IndexScanPlanNode scanNode) { MaterializedScanPlanNode matScan = new MaterializedScanPlanNode(); assert(listElements instanceof VectorValueExpression || listElements instanceof ParameterVa...
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private static void replaceInListFilterWithEqualityFilter(List<AbstractExpression> endExprs, AbstractExpression inListRhs, AbstractExpression equalityRhs) { for (AbstractExpression comparator : endE...
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CallEvent[] makeRandomEvent() { long callId = ++lastCallIdUsed; // get agentid Integer agentId = agentsAvailable.poll(); if (agentId == null) { return null; } // get phone number Long phoneNo = phoneNumbersAvailable.poll(); assert(phoneNo != ...
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@Override public CallEvent next(long systemCurrentTimeMillis) { // check for time passing if (systemCurrentTimeMillis > currentSystemMilliTimestamp) { // build a target for this 1ms window long eventBacklog = targetEventsThisMillisecond - eventsSoFarThisMillisecond; ...
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private void validate() { long delayedEventCount = delayedEvents.size(); long outstandingAgents = config.agents - agentsAvailable.size(); long outstandingPhones = config.numbers - phoneNumbersAvailable.size(); if (outstandingAgents != outstandingPhones) { throw new RuntimeE...
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void printSummary() { System.out.printf("There are %d agents outstanding and %d phones. %d entries waiting to go.\n", agentsAvailable.size(), phoneNumbersAvailable.size(), delayedEvents.size()); }
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private boolean isNegativeNumber(String token) { try { Double.parseDouble(token); return true; } catch (NumberFormatException e) { return false; } }
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private boolean isLongOption(String token) { if (!token.startsWith("-") || token.length() == 1) { return false; } int pos = token.indexOf("="); String t = pos == -1 ? token : token.substring(0, pos); if (!options.getMatchingOptions(t).isEmpty()) ...
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private void handleUnknownToken(String token) throws ParseException { if (token.startsWith("-") && token.length() > 1 && !stopAtNonOption) { throw new UnrecognizedOptionException("Unrecognized option: " + token, token); } cmd.addArg(token); if (stopAtNonOption) ...
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public String getText() { if (sqlTextStr == null) { sqlTextStr = new String(sqlText, Constants.UTF8ENCODING); } return sqlTextStr; }
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public static String canonicalizeStmt(String stmtStr) { // Cleanup whitespace newlines and adding semicolon for catalog compatibility stmtStr = stmtStr.replaceAll("\n", " "); stmtStr = stmtStr.trim(); if (!stmtStr.endsWith(";")) { stmtStr += ";"; } return stm...
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private static boolean[] createSafeOctets(String safeChars) { int maxChar = -1; char[] safeCharArray = safeChars.toCharArray(); for (char c : safeCharArray) { maxChar = Math.max(c, maxChar); } boolean[] octets = new boolean[maxChar + 1]; for (char c : safeCharArray) { octets[c] = tru...
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String getTableName() { if (opType == OpTypes.MULTICOLUMN) { return tableName; } if (opType == OpTypes.COLUMN) { if (rangeVariable == null) { return tableName; } return rangeVariable.getTable().getName().name; } ret...
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VoltXMLElement voltAnnotateColumnXML(VoltXMLElement exp) { if (tableName != null) { if (rangeVariable != null && rangeVariable.rangeTable != null && rangeVariable.tableAlias != null && rangeVariable.rangeTable.tableType == TableBase.SYSTEM_SUBQUERY) { ...
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void parseTablesAndParams(VoltXMLElement root) { // Parse parameters first to satisfy a dependency of expression parsing // which happens during table scan parsing. parseParameters(root); parseCommonTableExpressions(root); for (VoltXMLElement node : root.children) { ...
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private AbstractExpression parseExpressionNode(VoltXMLElement exprNode) { String elementName = exprNode.name.toLowerCase(); XMLElementExpressionParser parser = m_exprParsers.get(elementName); if (parser == null) { throw new PlanningErrorException("Unsupported expression node '" + el...
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private AbstractExpression parseVectorExpression(VoltXMLElement exprNode) { ArrayList<AbstractExpression> args = new ArrayList<>(); for (VoltXMLElement argNode : exprNode.children) { assert(argNode != null); // recursively parse each argument subtree (could be any kind of express...
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private SelectSubqueryExpression parseSubqueryExpression(VoltXMLElement exprNode) { assert(exprNode.children.size() == 1); VoltXMLElement subqueryElmt = exprNode.children.get(0); AbstractParsedStmt subqueryStmt = parseSubquery(subqueryElmt); // add table to the query cache String...
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private StmtTableScan resolveStmtTableScanByAlias(String tableAlias) { StmtTableScan tableScan = getStmtTableScanByAlias(tableAlias); if (tableScan != null) { return tableScan; } if (m_parentStmt != null) { // This may be a correlated subquery return m...
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protected StmtTableScan addTableToStmtCache(Table table, String tableAlias) { // Create an index into the query Catalog cache StmtTableScan tableScan = m_tableAliasMap.get(tableAlias); if (tableScan == null) { tableScan = new StmtTargetTableScan(table, tableAlias, m_stmtId); ...
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protected StmtSubqueryScan addSubqueryToStmtCache( AbstractParsedStmt subquery, String tableAlias) { assert(subquery != null); // If there is no usable alias because the subquery is inside an expression, // generate a unique one for internal use. if (tableAlias == null) { ...
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private StmtTargetTableScan addSimplifiedSubqueryToStmtCache( StmtSubqueryScan subqueryScan, StmtTargetTableScan tableScan) { String tableAlias = subqueryScan.getTableAlias(); assert(tableAlias != null); // It is guaranteed by the canSimplifySubquery that there is // one and ...
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protected AbstractExpression replaceExpressionsWithPve(AbstractExpression expr) { assert(expr != null); if (expr instanceof TupleValueExpression) { int paramIdx = ParameterizationInfo.getNextParamIndex(); ParameterValueExpression pve = new ParameterValueExpression(paramIdx, expr)...
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private StmtCommonTableScan resolveCommonTableByName(String tableName, String tableAlias) { StmtCommonTableScan answer = null; StmtCommonTableScanShared scan = null; for (AbstractParsedStmt scope = this; scope != null && scan == null; scope = scope.getParentStmt()) { scan = scope.get...
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protected void parseParameters(VoltXMLElement root) { VoltXMLElement paramsNode = null; for (VoltXMLElement node : root.children) { if (node.name.equalsIgnoreCase("parameters")) { paramsNode = node; break; } } if (paramsNode == null...
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protected void promoteUnionParametersFromChild(AbstractParsedStmt childStmt) { getParamsByIndex().putAll(childStmt.getParamsByIndex()); m_parameterTveMap.putAll(childStmt.m_parameterTveMap); }
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HashMap<AbstractExpression, Set<AbstractExpression>> analyzeValueEquivalence() { // collect individual where/join expressions m_joinTree.analyzeJoinExpressions(m_noTableSelectionList); return m_joinTree.getAllEquivalenceFilters(); }
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protected Table getTableFromDB(String tableName) { Table table = m_db.getTables().getExact(tableName); return table; }
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private AbstractExpression parseTableCondition(VoltXMLElement tableScan, String joinOrWhere) { AbstractExpression condExpr = null; for (VoltXMLElement childNode : tableScan.children) { if ( ! childNode.name.equalsIgnoreCase(joinOrWhere)) { continue; } ...
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LimitPlanNode limitPlanNodeFromXml(VoltXMLElement limitXml, VoltXMLElement offsetXml) { if (limitXml == null && offsetXml == null) { return null; } String node; long limitParameterId = -1; long offsetParameterId = -1; long limit = -1; long offset = 0...
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protected boolean orderByColumnsCoverUniqueKeys() { // In theory, if EVERY table in the query has a uniqueness constraint // (primary key or other unique index) on columns that are all listed in the ORDER BY values, // the result is deterministic. // This holds regardless of whether the ...
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protected void addHonoraryOrderByExpressions( HashSet<AbstractExpression> orderByExprs, List<ParsedColInfo> candidateColumns) { // If there is not exactly one table scan we will not proceed. // We don't really know how to make indices work with joins, // and there is noth...
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protected boolean producesOneRowOutput () { if (m_tableAliasMap.size() != 1) { return false; } // Get the table. There's only one. StmtTableScan scan = m_tableAliasMap.values().iterator().next(); Table table = getTableFromDB(scan.getTableName()); // May be s...
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public Collection<String> calculateUDFDependees() { List<String> answer = new ArrayList<>(); Collection<AbstractExpression> fCalls = findAllSubexpressionsOfClass(FunctionExpression.class); for (AbstractExpression fCall : fCalls) { FunctionExpression fexpr = (FunctionExpression)fCall;...
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public void statementGuaranteesDeterminism(boolean hasLimitOrOffset, boolean order, String contentDeterminismDetail) { m_statementHasLimitOrOffset = hasLimitOrOffset; m_statementIsOrderDeterministic = order; ...
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private static void setParamIndexes(BitSet ints, List<AbstractExpression> params) { for(AbstractExpression ae : params) { assert(ae instanceof ParameterValueExpression); ParameterValueExpression pve = (ParameterValueExpression) ae; int param = pve.getParameterIndex(); ...
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private static int[] bitSetToIntVector(BitSet ints) { int intCount = ints.cardinality(); if (intCount == 0) { return null; } int[] result = new int[intCount]; int nextBit = ints.nextSetBit(0); for (int ii = 0; ii < intCount; ii++) { assert(nextBit ...
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public VoltType[] parameterTypes() { if (m_parameterTypes == null) { m_parameterTypes = new VoltType[getParameters().length]; int ii = 0; for (ParameterValueExpression param : getParameters()) { m_parameterTypes[ii++] = param.getValueType(); } ...
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public static Session newSession(int dbID, String user, String password, int timeZoneSeconds) { Database db = (Database) databaseIDMap.get(dbID); if (db == null) { return null; } Session session = db.connect(user, password, timeZoneSeco...
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public static Session newSession(String type, String path, String user, String password, HsqlProperties props, int timeZoneSeconds) { Database db = getDatabase(type, path, props); if (db == null) { return null; ...
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public static synchronized Database lookupDatabaseObject(String type, String path) { // A VoltDB extension to work around ENG-6044 /* disabled 14 lines ... Object key = path; HashMap databaseMap; if (type == DatabaseURL.S_FILE) { databaseMap = fileDatab...
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private static synchronized void addDatabaseObject(String type, String path, Database db) { // A VoltDB extension to work around ENG-6044 /* disable 15 lines ... Object key = path; HashMap databaseMap; if (type == DatabaseURL.S_FILE) { databaseMap = fi...
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static void removeDatabase(Database database) { int dbID = database.databaseID; String type = database.getType(); String path = database.getPath(); // A VoltDB extension to work around ENG-6044 /* disable 2 lines ... Object key = path; HashMap databaseMap...
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private static void deRegisterServer(Server server, Database db) { Iterator it = serverMap.values().iterator(); for (; it.hasNext(); ) { HashSet databases = (HashSet) it.next(); databases.remove(db); if (databases.isEmpty()) { it.remove(); ...
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private static void registerServer(Server server, Database db) { if (!serverMap.containsKey(server)) { serverMap.put(server, new HashSet()); } HashSet databases = (HashSet) serverMap.get(server); databases.add(db); }
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private static void notifyServers(Database db) { Iterator it = serverMap.keySet().iterator(); for (; it.hasNext(); ) { Server server = (Server) it.next(); HashSet databases = (HashSet) serverMap.get(server); if (databases.contains(db)) { // A VoltDB extension t...
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private static String filePathToKey(String path) { try { return FileUtil.getDefaultInstance().canonicalPath(path); } catch (Exception e) { return path; } }
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public static boolean isComment(String sql) { Matcher commentMatcher = PAT_SINGLE_LINE_COMMENT.matcher(sql); return commentMatcher.matches(); }
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public static String extractDDLToken(String sql) { String ddlToken = null; Matcher ddlMatcher = PAT_ANY_DDL_FIRST_TOKEN.matcher(sql); if (ddlMatcher.find()) { ddlToken = ddlMatcher.group(1).toLowerCase(); } return ddlToken; }
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public static String extractDDLTableName(String sql) { Matcher matcher = PAT_TABLE_DDL_PREAMBLE.matcher(sql); if (matcher.find()) { return matcher.group(2).toLowerCase(); } return null; }
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public static String checkPermitted(String sql) { /* * IMPORTANT: Black-lists are checked first because they know more about * what they don't like about a statement and can provide a better message. * It requires that black-lists patterns be very selective and that they ...
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static private boolean matchesStringAtIndex(char[] buf, int index, String str) { int strLength = str.length(); if (index + strLength > buf.length) { return false; } for (int i = 0; i < strLength; ++i) { if (buf[index + i] != str.charAt(i)) { retur...
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private static String removeCStyleComments(String ddl) { // Avoid Apache commons StringUtils.join() to minimize client dependencies. StringBuilder sb = new StringBuilder(); for (String part : PAT_STRIP_CSTYLE_COMMENTS.split(ddl)) { sb.append(part); } return sb.toS...
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private static ObjectToken findObjectToken(String objectTypeName) { if (objectTypeName != null) { for (ObjectToken ot : OBJECT_TOKENS) { if (ot.token.equalsIgnoreCase(objectTypeName)) { return ot; } } } return null; ...
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synchronized void pushPair(Session session, Object[] row1, Object[] row2) { if (maxRowsQueued == 0) { trigger.fire(triggerType, name.name, table.getName().name, row1, row2); return; } if (rowsQueued >= maxRowsQueued) { if (nowait) {...
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public synchronized CompiledPlan planSqlCore(String sql, StatementPartitioning partitioning) { TrivialCostModel costModel = new TrivialCostModel(); DatabaseEstimates estimates = new DatabaseEstimates(); CompiledPlan plan = null; // This try-with-resources block acquires a global lock on...
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private boolean isReadOnlyProcedure(String pname) { final Boolean b = m_procedureInfo.get().get(pname); if (b == null) { return false; } return b; }
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private VoltTable[] aggregateProcedureProfileStats(VoltTable[] baseStats) { if (baseStats == null || baseStats.length != 1) { return baseStats; } StatsProcProfTable timeTable = new StatsProcProfTable(); baseStats[0].resetRowPosition(); while (baseStats[0].advance...
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private VoltTable[] aggregateProcedureInputStats(VoltTable[] baseStats) { if (baseStats == null || baseStats.length != 1) { return baseStats; } StatsProcInputTable timeTable = new StatsProcInputTable(); baseStats[0].resetRowPosition(); while (baseStats[0].advance...
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private VoltTable[] aggregateProcedureOutputStats(VoltTable[] baseStats) { if (baseStats == null || baseStats.length != 1) { return baseStats; } StatsProcOutputTable timeTable = new StatsProcOutputTable(); baseStats[0].resetRowPosition(); while (baseStats[0].adva...
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public void notifyOfCatalogUpdate() { m_procedureInfo = getProcedureInformationfoSupplier(); m_registeredStatsSources.put(StatsSelector.PROCEDURE, new NonBlockingHashMap<Long, NonBlockingHashSet<StatsSource>>()); }
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public void addState(long agreementHSId) { SiteState ss = m_stateBySite.get(agreementHSId); if (ss != null) return; ss = new SiteState(); ss.hsId = agreementHSId; ss.newestConfirmedTxnId = m_newestConfirmedTxnId; m_stateBySite.put(agreementHSId, ss); }
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public Pair<CompleteTransactionTask, Boolean> pollFirstCompletionTask(CompletionCounter nextTaskCounter) { // remove from the head Pair<CompleteTransactionTask, Boolean> pair = m_compTasks.pollFirstEntry().getValue(); if (m_compTasks.isEmpty()) { return pair; } // ch...
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private static boolean isComparable(CompleteTransactionTask c1, CompleteTransactionTask c2) { return c1.getMsgTxnId() == c2.getMsgTxnId() && MpRestartSequenceGenerator.isForRestart(c1.getTimestamp()) == MpRestartSequenceGenerator.isForRestart(c2.getTimestamp()); }
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public boolean matchCompleteTransactionTask(long txnId, long timestamp) { if (!m_compTasks.isEmpty()) { long lowestTxnId = m_compTasks.firstKey(); if (txnId == lowestTxnId) { Pair<CompleteTransactionTask, Boolean> pair = m_compTasks.get(lowestTxnId); retur...
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public static VoltTable aggregateStats(VoltTable stats) throws IllegalArgumentException { stats.resetRowPosition(); if (stats.getRowCount() == 0) { return stats; } String role = null; Map<Byte, State> states = new TreeMap<>(); while (stats.advanceRow()) {...
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public static String getString(String key) { if (RESOURCE_BUNDLE == null) throw new RuntimeException("Localized messages from resource bundle '" + BUNDLE_NAME + "' not loaded during initialization of driver."); try { if (key == null) throw new Illegal...
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public void createAllDevNullTargets(Exception lastWriteException) { Map<Integer, SnapshotDataTarget> targets = Maps.newHashMap(); final AtomicInteger numTargets = new AtomicInteger(); for (Deque<SnapshotTableTask> tasksForSite : m_taskListsForHSIds.values()) { for (SnapshotTable...
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private Map<String, Boolean> collapseSets(List<List<String>> allTableSets) { Map<String, Boolean> answer = new TreeMap<>(); for (List<String> tables : allTableSets) { for (String table : tables) { answer.put(table, false); } } return answer; }
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private List<List<String>> decodeTables(String[] tablesThatMustBeEmpty) { List<List<String>> answer = new ArrayList<>(); for (String tableSet : tablesThatMustBeEmpty) { String tableNames[] = tableSet.split("\\+"); answer.add(Arrays.asList(tableNames)); } return an...
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public VoltTable[] run(SystemProcedureExecutionContext ctx) { createAndExecuteSysProcPlan(SysProcFragmentId.PF_shutdownSync, SysProcFragmentId.PF_shutdownSyncDone); SynthesizedPlanFragment pfs[] = new SynthesizedPlanFragment[] { new SynthesizedPlanFragment(SysProcFragmentId.PF_shutdownC...
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public void drain() throws InterruptedException, IOException { ClientImpl currentClient = this.getClient(); if (currentClient == null) { throw new IOException("Client is unavailable for drain()."); } currentClient.drain(); }
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public void backpressureBarrier() throws InterruptedException, IOException { ClientImpl currentClient = this.getClient(); if (currentClient == null) { throw new IOException("Client is unavailable for backpressureBarrier()."); } currentClient.backpressureBarrier(); }
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public boolean absolute(int position) { if (position < 0) { position += size; } if (position < 0) { beforeFirst(); return false; } if (position > size) { afterLast(); return false; } if (size == 0) ...
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private void printErrorAndQuit(String message) { System.out.println(message + "\n-------------------------------------------------------------------------------------\n"); printUsage(); System.exit(-1); }
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public AppHelper printActualUsage() { System.out.println("-------------------------------------------------------------------------------------"); int maxLength = 24; for(Argument a : Arguments) if (maxLength < a.Name.length()) maxLength = a.Name.length(); ...
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public byte byteValue(String name) { try { return Byte.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
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public short shortValue(String name) { try { return Short.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
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public int intValue(String name) { try { return Integer.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
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public long longValue(String name) { try { return Long.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x) ...
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public double doubleValue(String name) { try { return Double.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exception x...
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public String stringValue(String name) { try { return this.getArgumentByName(name).Value; } catch(Exception npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } return null; // We will never get here: prin...
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public boolean booleanValue(String name) { try { return Boolean.valueOf(this.getArgumentByName(name).Value); } catch(NullPointerException npe) { printErrorAndQuit(String.format("Argument '%s' was not provided.", name)); } catch(Exceptio...
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public void setBounds(int x, int y, int w, int h) { super.setBounds(x, y, w, h); iSbHeight = sbHoriz.getPreferredSize().height; iSbWidth = sbVert.getPreferredSize().width; iHeight = h - iSbHeight; iWidth = w - iSbWidth; sbHoriz.setBounds(0, iHeight, iWidth, iSbHe...
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private String write(String logDir) throws IOException, ExecutionException, InterruptedException { final File file = new File(logDir, "trace_" + System.currentTimeMillis() + ".json.gz"); if (file.exists()) { throw new IOException("Trace file " + file.getAbsolutePath() + " already exists"); ...
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public static TraceEventBatch log(Category cat) { final VoltTrace tracer = s_tracer; if (tracer != null && tracer.isCategoryEnabled(cat)) { final TraceEventBatch batch = new TraceEventBatch(cat); tracer.queueEvent(batch); return batch; } else { ret...
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public static String closeAllAndShutdown(String logDir, long timeOutMillis) throws IOException { String path = null; final VoltTrace tracer = s_tracer; if (tracer != null) { if (logDir != null) { path = dump(logDir); } s_tracer = null; ...
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private static synchronized void start() throws IOException { if (s_tracer == null) { final VoltTrace tracer = new VoltTrace(); final Thread thread = new Thread(tracer); thread.setDaemon(true); thread.start(); s_tracer = tracer; } }
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public static String dump(String logDir) throws IOException { String path = null; final VoltTrace tracer = s_tracer; if (tracer != null) { final File dir = new File(logDir); if (!dir.getParentFile().canWrite() || !dir.getParentFile().canExecute()) { throw...
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