[teiid-commits] teiid SVN: r3594 - in trunk/engine/src: main/java/org/teiid/query/optimizer/relational and 6 other directories.

Author: shawkins Date: 2011-10-28 16:43:18 -0400 (Fri, 28 Oct 2011) New Revision: 3594 Added: trunk/engine/src/test/java/org/teiid/query/processor/TestFunctionPushdown.java Modified: trunk/engine/src/main/java/org/teiid/query/analysis/AnalysisRecord.java trunk/engine/src/main/java/org/teiid/query/optimizer/relational/RelationalPlanner.java trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleAssignOutputElements.java trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleConstants.java trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleMergeVirtual.java trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleRaiseAccess.java trunk/engine/src/main/java/org/teiid/query/processor/relational/GroupingNode.java trunk/engine/src/main/java/org/teiid/query/processor/relational/NestedTableJoinStrategy.java trunk/engine/src/main/java/org/teiid/query/processor/relational/RelationalNode.java trunk/engine/src/main/resources/org/teiid/query/i18n.properties trunk/engine/src/test/java/org/teiid/query/optimizer/TestOptimizer.java trunk/engine/src/test/java/org/teiid/query/optimizer/relational/TestRuleStack.java Log: TEIID-964 adding support for pushing must pushdown functions in the select clause Modified: trunk/engine/src/main/java/org/teiid/query/analysis/AnalysisRecord.java =================================================================== --- trunk/engine/src/main/java/org/teiid/query/analysis/AnalysisRecord.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/java/org/teiid/query/analysis/AnalysisRecord.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -23,7 +23,6 @@ package org.teiid.query.analysis; import java.io.PrintWriter; -import java.io.Serializable; import java.io.StringWriter; import java.util.ArrayList; import java.util.Collection; @@ -209,7 +208,7 @@ * @param projectedSymbols The list of SingleElementSymbol projected from a plan or node * @return List of output columns for sending to the client as part of the plan */ - public static List<String> getOutputColumnProperties(List<SingleElementSymbol> projectedSymbols) { + public static List<String> getOutputColumnProperties(List<? extends SingleElementSymbol> projectedSymbols) { if(projectedSymbols != null) { List<String> outputCols = new ArrayList<String>(projectedSymbols.size()); for(int i=0; i<projectedSymbols.size() ; i++) { Modified: trunk/engine/src/main/java/org/teiid/query/optimizer/relational/RelationalPlanner.java =================================================================== --- trunk/engine/src/main/java/org/teiid/query/optimizer/relational/RelationalPlanner.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/java/org/teiid/query/optimizer/relational/RelationalPlanner.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -64,6 +64,7 @@ import org.teiid.query.optimizer.relational.plantree.NodeConstants.Info; import org.teiid.query.optimizer.relational.rules.CapabilitiesUtil; import org.teiid.query.optimizer.relational.rules.CriteriaCapabilityValidatorVisitor; +import org.teiid.query.optimizer.relational.rules.RuleAssignOutputElements; import org.teiid.query.optimizer.relational.rules.RuleCollapseSource; import org.teiid.query.optimizer.relational.rules.RuleConstants; import org.teiid.query.optimizer.relational.rules.RuleMergeCriteria; @@ -406,7 +407,7 @@ rules.push(RuleConstants.CALCULATE_COST); - rules.push(RuleConstants.ASSIGN_OUTPUT_ELEMENTS); + rules.push(new RuleAssignOutputElements(true)); if (hints.hasLimit) { rules.push(RuleConstants.PUSH_LIMIT); @@ -454,7 +455,7 @@ } if (hints.hasVirtualGroups || (hints.hasJoin && hints.hasOptionalJoin)) { //do initial filtering to make merging and optional join logic easier - rules.push(RuleConstants.ASSIGN_OUTPUT_ELEMENTS); + rules.push(new RuleAssignOutputElements(false)); } rules.push(RuleConstants.PLACE_ACCESS); return rules; Modified: trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleAssignOutputElements.java =================================================================== --- trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleAssignOutputElements.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleAssignOutputElements.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -35,6 +35,8 @@ import org.teiid.api.exception.query.QueryMetadataException; import org.teiid.api.exception.query.QueryPlannerException; import org.teiid.core.TeiidComponentException; +import org.teiid.metadata.FunctionMethod.PushDown; +import org.teiid.query.QueryPlugin; import org.teiid.query.analysis.AnalysisRecord; import org.teiid.query.metadata.QueryMetadataInterface; import org.teiid.query.optimizer.capabilities.CapabilitiesFinder; @@ -58,12 +60,16 @@ import org.teiid.query.sql.symbol.ElementSymbol; import org.teiid.query.sql.symbol.Expression; import org.teiid.query.sql.symbol.ExpressionSymbol; +import org.teiid.query.sql.symbol.Function; import org.teiid.query.sql.symbol.GroupSymbol; import org.teiid.query.sql.symbol.SingleElementSymbol; import org.teiid.query.sql.symbol.WindowFunction; import org.teiid.query.sql.util.SymbolMap; import org.teiid.query.sql.visitor.AggregateSymbolCollectorVisitor; import org.teiid.query.sql.visitor.ElementCollectorVisitor; +import org.teiid.query.sql.visitor.EvaluatableVisitor; +import org.teiid.query.sql.visitor.ExpressionMappingVisitor; +import org.teiid.query.sql.visitor.FunctionCollectorVisitor; import org.teiid.query.sql.visitor.GroupsUsedByElementsVisitor; import org.teiid.query.util.CommandContext; @@ -76,6 +82,13 @@ * from the children nodes. </p> */ public final class RuleAssignOutputElements implements OptimizerRule { + + private boolean finalRun; + private boolean checkSymbols; + + public RuleAssignOutputElements(boolean finalRun) { + this.finalRun = finalRun; + } /** * Execute the rule. This rule is executed exactly once during every planning @@ -141,6 +154,13 @@ if (command instanceof StoredProcedure) { //if the access node represents a stored procedure, then we can't actually change the output symbols root.setProperty(NodeConstants.Info.OUTPUT_COLS, command.getProjectedSymbols()); + } else if (checkSymbols) { + Object modelId = RuleRaiseAccess.getModelIDFromAccess(root, metadata); + for (SingleElementSymbol symbol : outputElements) { + if(!RuleRaiseAccess.canPushSymbol(symbol, true, modelId, metadata, capFinder, analysisRecord)) { + throw new QueryPlannerException(QueryPlugin.Util.getString("RuleAssignOutputElements.couldnt_push_expression", symbol, modelId)); //$NON-NLS-1$ + } + } } case NodeConstants.Types.TUPLE_LIMIT: case NodeConstants.Types.DUP_REMOVE: @@ -195,7 +215,7 @@ PlanNode sortNode = NodeEditor.findParent(root, NodeConstants.Types.SORT, NodeConstants.Types.SOURCE); if (sortNode != null && sortNode.hasBooleanProperty(NodeConstants.Info.UNRELATED_SORT)) { //if this is the initial rule run, remove unrelated order before changing the project cols - if (rules.contains(RuleConstants.ASSIGN_OUTPUT_ELEMENTS)) { + if (!finalRun) { OrderBy elements = (OrderBy) sortNode.getProperty(NodeConstants.Info.SORT_ORDER); projectCols = new ArrayList<SingleElementSymbol>(projectCols); for (OrderByItem item : elements.getOrderByItems()) { @@ -298,16 +318,21 @@ * virtual elements - so just reset it and proceed as before * @throws TeiidComponentException * @throws QueryMetadataException + * @throws QueryPlannerException */ static List<? extends SingleElementSymbol> determineSourceOutput(PlanNode root, List<SingleElementSymbol> outputElements, QueryMetadataInterface metadata, - CapabilitiesFinder capFinder) throws QueryMetadataException, TeiidComponentException { + CapabilitiesFinder capFinder) throws QueryMetadataException, TeiidComponentException, QueryPlannerException { PlanNode virtualRoot = root.getLastChild(); if(hasDupRemoval(virtualRoot)) { // Reset the outputColumns for this source node to be all columns for the virtual group SymbolMap symbolMap = (SymbolMap) root.getProperty(NodeConstants.Info.SYMBOL_MAP); + if (!symbolMap.asMap().keySet().containsAll(outputElements)) { + outputElements.removeAll(symbolMap.asMap().keySet()); + throw new QueryPlannerException(QueryPlugin.Util.getString("RuleAssignOutputElements.cannot_introduce_expressions", outputElements)); //$NON-NLS-1$ + } return symbolMap.getKeys(); } PlanNode limit = NodeEditor.findNodePreOrder(root, NodeConstants.Types.TUPLE_LIMIT, NodeConstants.Types.PROJECT); @@ -359,8 +384,9 @@ * @param sourceNode Node to filter * @param metadata Metadata implementation * @return The filtered list of columns for this node (used in recursing tree) + * @throws QueryPlannerException */ - static List<SingleElementSymbol> filterVirtualElements(PlanNode sourceNode, List<SingleElementSymbol> outputColumns, QueryMetadataInterface metadata) { + static List<SingleElementSymbol> filterVirtualElements(PlanNode sourceNode, List<SingleElementSymbol> outputColumns, QueryMetadataInterface metadata) throws QueryPlannerException { PlanNode virtualRoot = sourceNode.getLastChild(); @@ -379,10 +405,16 @@ boolean updateGroups = outputColumns.size() != originalOrder.size(); boolean[] seenIndex = new boolean[outputColumns.size()]; + boolean newSymbols = false; for (int i = 0; i < outputColumns.size(); i++) { Expression expr = outputColumns.get(i); filteredIndex[i] = originalOrder.indexOf(expr); + if (filteredIndex[i] == -1) { + updateGroups = true; + //we're adding this symbol, which needs to be updated against respective symbol maps + newSymbols = true; + } if (!updateGroups) { seenIndex[filteredIndex[i]] = true; } @@ -402,8 +434,21 @@ PlanNode projectNode = allProjects.get(i); List<SingleElementSymbol> projectCols = (List<SingleElementSymbol>) projectNode.getProperty(NodeConstants.Info.PROJECT_COLS); - newCols = RelationalNode.projectTuple(filteredIndex, projectCols); + newCols = RelationalNode.projectTuple(filteredIndex, projectCols, true); + if (newSymbols) { + SymbolMap childMap = SymbolMap.createSymbolMap(symbolMap.getKeys(), (List) projectNode.getProperty(NodeConstants.Info.PROJECT_COLS)); + for (int j = 0; j < filteredIndex.length; j++) { + if (filteredIndex[j] != -1) { + continue; + } + SingleElementSymbol ex = (SingleElementSymbol) outputColumns.get(j).clone(); + ExpressionMappingVisitor.mapExpressions(ex, childMap.asMap()); + newCols.set(j, ex); + filteredIndex[j] = j; + } + } + projectNode.setProperty(NodeConstants.Info.PROJECT_COLS, newCols); if (updateGroups) { projectNode.getGroups().clear(); @@ -428,25 +473,6 @@ for (int i = 0; i < filteredIndex.length; i++) { newMap.addMapping(originalOrder.get(filteredIndex[i]), originalExpressionOrder.get(filteredIndex[i])); } - PlanNode sortNode = NodeEditor.findNodePreOrder(sourceNode, NodeConstants.Types.SORT, NodeConstants.Types.PROJECT); - if (sortNode != null) { - OrderBy elements = (OrderBy) sortNode.getProperty(NodeConstants.Info.SORT_ORDER); - for (OrderByItem item : elements.getOrderByItems()) { - if (item.getExpressionPosition() == -1) { - continue; - } - item.setExpressionPosition(-1); - for (int i = 0; i < filteredIndex.length; i++) { - if (item.getExpressionPosition() == filteredIndex[i]) { - item.setExpressionPosition(i); - break; - } - } - if (item.getExpressionPosition() == -1) { - sortNode.setProperty(NodeConstants.Info.UNRELATED_SORT, true); - } - } - } sourceNode.setProperty(NodeConstants.Info.SYMBOL_MAP, newMap); } @@ -501,7 +527,23 @@ if (ss instanceof WindowFunction || (ss instanceof ExpressionSymbol && !(ss instanceof AggregateSymbol))) { createdSymbols.add(ss); } - ElementCollectorVisitor.getElements(ss, requiredSymbols); + boolean symbolRequired = false; + if (finalRun && !(ss instanceof ElementSymbol) && NodeEditor.findParent(node, NodeConstants.Types.ACCESS) == null) { + Collection<Function> functions = FunctionCollectorVisitor.getFunctions(ss, false); + for (Function function : functions) { + if (function.getFunctionDescriptor().getPushdown() != PushDown.MUST_PUSHDOWN || EvaluatableVisitor.willBecomeConstant(function)) { + continue; + } + //assume we need the whole thing + requiredSymbols.add(ss); + symbolRequired = true; + checkSymbols = true; + break; + } + } + if (!symbolRequired) { + ElementCollectorVisitor.getElements(ss, requiredSymbols); + } } break; } Modified: trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleConstants.java =================================================================== --- trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleConstants.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleConstants.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -36,7 +36,6 @@ public static final OptimizerRule RAISE_ACCESS = new RuleRaiseAccess(); public static final OptimizerRule CHOOSE_DEPENDENT = new RuleChooseDependent(); public static final OptimizerRule COLLAPSE_SOURCE = new RuleCollapseSource(); - public static final OptimizerRule ASSIGN_OUTPUT_ELEMENTS = new RuleAssignOutputElements(); public static final OptimizerRule COPY_CRITERIA = new RuleCopyCriteria(); public static final OptimizerRule CLEAN_CRITERIA = new RuleCleanCriteria(); public static final OptimizerRule VALIDATE_WHERE_ALL = new RuleValidateWhereAll(); Modified: trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleMergeVirtual.java =================================================================== --- trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleMergeVirtual.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleMergeVirtual.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -202,11 +202,12 @@ * Removes source layers that only do a simple projection of the elements below. * @throws TeiidComponentException * @throws QueryMetadataException + * @throws QueryPlannerException */ private static PlanNode checkForSimpleProjection(PlanNode frame, PlanNode root, PlanNode parentProject, - QueryMetadataInterface metadata) throws QueryMetadataException, TeiidComponentException { + QueryMetadataInterface metadata) throws QueryMetadataException, TeiidComponentException, QueryPlannerException { // check that the parent only performs projection PlanNode nodeToCheck = parentProject.getFirstChild(); while (nodeToCheck != frame) { Modified: trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleRaiseAccess.java =================================================================== --- trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleRaiseAccess.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleRaiseAccess.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -452,7 +452,7 @@ * @throws QueryMetadataException * @since 4.1.2 */ - private static boolean canPushSymbol(Expression symbol, boolean inSelectClause, Object modelID, + static boolean canPushSymbol(Expression symbol, boolean inSelectClause, Object modelID, QueryMetadataInterface metadata, CapabilitiesFinder capFinder, AnalysisRecord record) throws TeiidComponentException, QueryMetadataException { Modified: trunk/engine/src/main/java/org/teiid/query/processor/relational/GroupingNode.java =================================================================== --- trunk/engine/src/main/java/org/teiid/query/processor/relational/GroupingNode.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/java/org/teiid/query/processor/relational/GroupingNode.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -167,7 +167,7 @@ } // Incoming elements and lookup map for evaluating expressions - List<SingleElementSymbol> sourceElements = this.getChildren()[0].getElements(); + List<? extends SingleElementSymbol> sourceElements = this.getChildren()[0].getElements(); this.elementMap = createLookupMap(sourceElements); // List should contain all grouping columns / expressions as we need those for sorting Modified: trunk/engine/src/main/java/org/teiid/query/processor/relational/NestedTableJoinStrategy.java =================================================================== --- trunk/engine/src/main/java/org/teiid/query/processor/relational/NestedTableJoinStrategy.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/java/org/teiid/query/processor/relational/NestedTableJoinStrategy.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -164,7 +164,7 @@ } private void updateContext(List<?> tuple, - List<SingleElementSymbol> elements) { + List<? extends SingleElementSymbol> elements) { for (int i = 0; i < elements.size(); i++) { SingleElementSymbol element = elements.get(i); if (element instanceof ElementSymbol) { Modified: trunk/engine/src/main/java/org/teiid/query/processor/relational/RelationalNode.java =================================================================== --- trunk/engine/src/main/java/org/teiid/query/processor/relational/RelationalNode.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/java/org/teiid/query/processor/relational/RelationalNode.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -46,6 +46,7 @@ import org.teiid.query.processor.BatchCollector.BatchProducer; import org.teiid.query.sql.symbol.AliasSymbol; import org.teiid.query.sql.symbol.Expression; +import org.teiid.query.sql.symbol.SingleElementSymbol; import org.teiid.query.util.CommandContext; @@ -53,7 +54,7 @@ static class NodeData { int nodeID; - List elements; + List<? extends SingleElementSymbol> elements; Number estimateNodeCardinality; Number setSizeEstimate; Number depAccessEstimate; @@ -165,16 +166,16 @@ } } - public void setElements(List elements) { + public void setElements(List<? extends SingleElementSymbol> elements) { this.data.elements = elements; } @Override - public List getOutputElements() { + public List<? extends SingleElementSymbol> getOutputElements() { return getElements(); } - public List getElements() { + public List<? extends SingleElementSymbol> getElements() { return this.data.elements; } @@ -373,13 +374,21 @@ return result; } - + public static <T> List<T> projectTuple(int[] indexes, List<T> tupleValues) { + return projectTuple(indexes, tupleValues, false); + } + public static <T> List<T> projectTuple(int[] indexes, List<T> tupleValues, boolean omitMissing) { + List<T> projectedTuple = new ArrayList<T>(indexes.length); for (int index : indexes) { - projectedTuple.add(tupleValues.get(index)); + if (omitMissing && index == -1) { + projectedTuple.add(null); + } else { + projectedTuple.add(tupleValues.get(index)); + } } return projectedTuple; Modified: trunk/engine/src/main/resources/org/teiid/query/i18n.properties =================================================================== --- trunk/engine/src/main/resources/org/teiid/query/i18n.properties 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/main/resources/org/teiid/query/i18n.properties 2011-10-28 20:43:18 UTC (rev 3594) @@ -941,4 +941,7 @@ DdlPlan.event_already_exists={0} already has an INSTEAD OF trigger defined for {1}. error_refresh=error occurred during refreshing the materialized view entries for view {0} -support_required=Without required support property {0}, pushdown will not be enabled for {1} on translator {2}. \ No newline at end of file +support_required=Without required support property {0}, pushdown will not be enabled for {1} on translator {2}. + +RuleAssignOutputElements.couldnt_push_expression=Expression(s) {0} cannot be pushed to source. +RuleAssignOutputElements.cannot_introduce_expressions=Cannot introduce new expressions {1} in duplicate removal. \ No newline at end of file Modified: trunk/engine/src/test/java/org/teiid/query/optimizer/TestOptimizer.java =================================================================== --- trunk/engine/src/test/java/org/teiid/query/optimizer/TestOptimizer.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/test/java/org/teiid/query/optimizer/TestOptimizer.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -6471,77 +6471,9 @@ /** * Test the query optimizer's ability to properly plan and optimize a query - * that uses ambiguous alias names in the top level query and its sub-query. - * <p> - * No source table is being used. For example, <code>SELECT A.e2 FROM - * (SELECT e2 FROM (SELECT 1 AS e2) AS A) AS A</code> - * <p> - * The test is to ensure that A.e2 from the top level is not confused with - * e2 in the second level. - * <p> - * Related Defects: JBEDSP-1137 - */ - @Test public void testAmbiguousAliasInSubQueryNoSource() { - // Create query - String sql = "SELECT A.e2 AS e2 FROM (" + //$NON-NLS-1$ - " SELECT e2 AS e2 FROM (" + //$NON-NLS-1$ - " SELECT 5 AS e2" + //$NON-NLS-1$ - " ) AS A" + //$NON-NLS-1$ - ") AS A"; //$NON-NLS-1$ - - helpPlan(sql, RealMetadataFactory.example1Cached(), new String[] {}); - } - - /** - * Test the query optimizer's ability to properly plan and optimize a query * that uses ambiguous alias names in the top level query and its sub-query * and uses columns belonging to the alias as a parameter to a function. * <p> - * No source table is being used. For example, <code>SELECT CONVERT(A.e2, - * biginteger) AS e2 FROM (SELECT CONVERT(e2, long) AS e2 FROM (SELECT 1 AS - * e2) AS A) AS A</code> - * <p> - * The test is to ensure that A.e2 from the top level is not confused with - * e2 in the second level. - * <p> - * Related Defects: JBEDSP-1137 - */ - @Test public void testAmbiguousAliasFunctionInSubQueryNoSource() { - // Create query - String sql = "SELECT CONVERT(A.e2, biginteger) AS e2 FROM (" + //$NON-NLS-1$ - " SELECT CONVERT(e2, long) AS e2 FROM (" + //$NON-NLS-1$ - " SELECT 5 AS e2" + //$NON-NLS-1$ - " ) AS A" + //$NON-NLS-1$ - ") AS A"; //$NON-NLS-1$ - - helpPlan(sql, RealMetadataFactory.example1Cached(), new String[] {}); - } - - /** - * Test the query optimizer's ability to properly plan and optimize a query - * that uses ambiguous alias names in the top level query and its sub-query. - * <p> - * For example, <code>SELECT A.e2 FROM (SELECT e12FROM pm1.g1 AS A) AS A</code> - * <p> - * The test is to ensure that A.e2 from the top level is not confused with - * e2 in the second level. - * <p> - * Related Defects: JBEDSP-1137 - */ - @Test public void testAmbiguousAliasInSubQuerySource() { - // Create query - String sql = "SELECT A.e2 AS e2 FROM (" + //$NON-NLS-1$ - " SELECT e2 AS e2 FROM pm1.g1 AS A" + //$NON-NLS-1$ - ") AS A"; //$NON-NLS-1$ - - helpPlan(sql, RealMetadataFactory.example1Cached(), new String[] {"SELECT e2 FROM pm1.g1 AS A"}); //$NON-NLS-1$ - } - - /** - * Test the query optimizer's ability to properly plan and optimize a query - * that uses ambiguous alias names in the top level query and its sub-query - * and uses columns belonging to the alias as a parameter to a function. - * <p> * For example, <code>SELECT CONVERT(A.e2, biginteger) AS e2 FROM (SELECT * CONVERT(e2, long) AS e2 FROM pm1.g1 AS A) AS A</code> * <p> Modified: trunk/engine/src/test/java/org/teiid/query/optimizer/relational/TestRuleStack.java =================================================================== --- trunk/engine/src/test/java/org/teiid/query/optimizer/relational/TestRuleStack.java 2011-10-27 19:31:00 UTC (rev 3593) +++ trunk/engine/src/test/java/org/teiid/query/optimizer/relational/TestRuleStack.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -22,14 +22,12 @@ package org.teiid.query.optimizer.relational; -import org.teiid.query.optimizer.relational.OptimizerRule; -import org.teiid.query.optimizer.relational.RuleStack; +import junit.framework.TestCase; + import org.teiid.query.optimizer.relational.rules.RuleConstants; import org.teiid.query.optimizer.relational.rules.RulePushSelectCriteria; -import junit.framework.TestCase; - /** */ public class TestRuleStack extends TestCase { @@ -76,12 +74,12 @@ public void testRemove() { // Set up RuleStack stack = new RuleStack(); - stack.push(RuleConstants.ASSIGN_OUTPUT_ELEMENTS); + stack.push(RuleConstants.ACCESS_PATTERN_VALIDATION); stack.push(RuleConstants.COLLAPSE_SOURCE); - stack.push(RuleConstants.ASSIGN_OUTPUT_ELEMENTS); + stack.push(RuleConstants.ACCESS_PATTERN_VALIDATION); // Remove all instances of ASSIGN_OUTPUT_ELEMENTS - stack.remove(RuleConstants.ASSIGN_OUTPUT_ELEMENTS); + stack.remove(RuleConstants.ACCESS_PATTERN_VALIDATION); // Verify size and pop'ed values assertEquals(1, stack.size()); @@ -92,10 +90,10 @@ public void testContains() { // Set up RuleStack stack = new RuleStack(); - stack.push(RuleConstants.ASSIGN_OUTPUT_ELEMENTS); + stack.push(RuleConstants.ACCESS_PATTERN_VALIDATION); stack.push(RuleConstants.COLLAPSE_SOURCE); - assertEquals(true, stack.contains(RuleConstants.ASSIGN_OUTPUT_ELEMENTS)); + assertEquals(true, stack.contains(RuleConstants.ACCESS_PATTERN_VALIDATION)); assertEquals(false, stack.contains(RuleConstants.PLACE_ACCESS)); } Added: trunk/engine/src/test/java/org/teiid/query/processor/TestFunctionPushdown.java =================================================================== --- trunk/engine/src/test/java/org/teiid/query/processor/TestFunctionPushdown.java (rev 0) +++ trunk/engine/src/test/java/org/teiid/query/processor/TestFunctionPushdown.java 2011-10-28 20:43:18 UTC (rev 3594) @@ -0,0 +1,114 @@ +/* + * JBoss, Home of Professional Open Source. + * See the COPYRIGHT.txt file distributed with this work for information + * regarding copyright ownership. Some portions may be licensed + * to Red Hat, Inc. under one or more contributor license agreements. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA. + */ + +package org.teiid.query.processor; + +import static org.teiid.query.optimizer.TestOptimizer.*; + +import java.util.Arrays; +import java.util.List; + +import org.junit.Test; +import org.teiid.query.function.FunctionTree; +import org.teiid.query.metadata.QueryMetadataInterface; +import org.teiid.query.optimizer.FakeFunctionMetadataSource; +import org.teiid.query.optimizer.TestOptimizer; +import org.teiid.query.optimizer.TestOptimizer.ComparisonMode; +import org.teiid.query.optimizer.capabilities.BasicSourceCapabilities; +import org.teiid.query.optimizer.capabilities.FakeCapabilitiesFinder; +import org.teiid.query.unittest.RealMetadataFactory; + +@SuppressWarnings({"nls", "unchecked"}) +public class TestFunctionPushdown { + + @Test public void testMustPushdownOverMultipleSourcesWithoutSupport() throws Exception { + QueryMetadataInterface metadata = RealMetadataFactory.createTransformationMetadata(RealMetadataFactory.example1Cached().getMetadataStore(), "example1", new FunctionTree("foo", new FakeFunctionMetadataSource())); + + FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder(); + BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities(); + capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$ + capFinder.addCapabilities("pm2", caps); //$NON-NLS-1$ + + String sql = "select func(x.e1) from pm1.g1 as x, pm2.g1 as y where x.e2 = y.e2"; //$NON-NLS-1$ + + helpPlan(sql, metadata, null, capFinder, + new String[] {}, ComparisonMode.FAILED_PLANNING); //$NON-NLS-1$ + } + + @Test public void testMustPushdownOverMultipleSources() throws Exception { + QueryMetadataInterface metadata = RealMetadataFactory.createTransformationMetadata(RealMetadataFactory.example1Cached().getMetadataStore(), "example1", new FunctionTree("foo", new FakeFunctionMetadataSource())); + + FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder(); + BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities(); + caps.setFunctionSupport("misc.namespace.func", true); + capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$ + capFinder.addCapabilities("pm2", caps); //$NON-NLS-1$ + + String sql = "select func(x.e1) from pm1.g1 as x, pm2.g1 as y where x.e2 = y.e2"; //$NON-NLS-1$ + + ProcessorPlan plan = helpPlan(sql, metadata, null, capFinder, + new String[] {"SELECT g_0.e2 AS c_0, func(g_0.e1) AS c_1 FROM pm1.g1 AS g_0 ORDER BY c_0", "SELECT g_0.e2 AS c_0 FROM pm2.g1 AS g_0 ORDER BY c_0"}, ComparisonMode.EXACT_COMMAND_STRING); //$NON-NLS-1$ + + HardcodedDataManager dataManager = new HardcodedDataManager(); + dataManager.addData("SELECT g_0.e2 AS c_0, func(g_0.e1) AS c_1 FROM pm1.g1 AS g_0 ORDER BY c_0", new List[] {Arrays.asList(1, "a")}); + dataManager.addData("SELECT g_0.e2 AS c_0 FROM pm2.g1 AS g_0 ORDER BY c_0", new List[] {Arrays.asList(1), Arrays.asList(2)}); + + TestProcessor.helpProcess(plan, dataManager, new List[] {Arrays.asList("a")}); + } + + @Test public void testMustPushdownOverMultipleSourcesWithView() throws Exception { + QueryMetadataInterface metadata = RealMetadataFactory.createTransformationMetadata(RealMetadataFactory.example1Cached().getMetadataStore(), "example1", new FunctionTree("foo", new FakeFunctionMetadataSource())); + + FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder(); + BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities(); + caps.setFunctionSupport("misc.namespace.func", true); + capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$ + capFinder.addCapabilities("pm2", caps); //$NON-NLS-1$ + + String sql = "select func(x.e1) from (select x.* from pm1.g1 as x, pm2.g1 as y where x.e2 = y.e2 order by e1 limit 10) as x"; //$NON-NLS-1$ + + ProcessorPlan plan = helpPlan(sql, metadata, null, capFinder, + new String[] {"SELECT g_0.e2 AS c_0 FROM pm2.g1 AS g_0 ORDER BY c_0", "SELECT g_0.e2 AS c_0, func(g_0.e1) AS c_1, g_0.e1 AS c_2 FROM pm1.g1 AS g_0 ORDER BY c_0"}, ComparisonMode.EXACT_COMMAND_STRING); //$NON-NLS-1$ + + HardcodedDataManager dataManager = new HardcodedDataManager(); + dataManager.addData("SELECT g_0.e2 AS c_0 FROM pm2.g1 AS g_0 ORDER BY c_0", new List[] {Arrays.asList(1)}); + dataManager.addData("SELECT g_0.e2 AS c_0, func(g_0.e1) AS c_1, g_0.e1 AS c_2 FROM pm1.g1 AS g_0 ORDER BY c_0", new List[] {Arrays.asList(1, "aa", "a"), Arrays.asList(2, "bb", "b")}); + + TestProcessor.helpProcess(plan, dataManager, new List[] {Arrays.asList("aa")}); + } + + @Test public void testMustPushdownOverMultipleSourcesWithViewDupRemoval() throws Exception { + QueryMetadataInterface metadata = RealMetadataFactory.createTransformationMetadata(RealMetadataFactory.example1Cached().getMetadataStore(), "example1", new FunctionTree("foo", new FakeFunctionMetadataSource())); + + FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder(); + BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities(); + caps.setFunctionSupport("misc.namespace.func", true); + capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$ + capFinder.addCapabilities("pm2", caps); //$NON-NLS-1$ + + String sql = "select func(x.e1) from (select distinct x.* from pm1.g1 as x, pm2.g1 as y where x.e2 = y.e2 order by e1 limit 10) as x"; //$NON-NLS-1$ + + helpPlan(sql, metadata, null, capFinder, + new String[] {}, ComparisonMode.FAILED_PLANNING); //$NON-NLS-1$ + } + +} Property changes on: trunk/engine/src/test/java/org/teiid/query/processor/TestFunctionPushdown.java ___________________________________________________________________ Added: svn:mime-type + text/plain