[teiid-commits] teiid SVN: r4594 - in branches/7.7.x/engine/src: main/java/org/teiid/query/rewriter and 2 other directories.
teiid-commits at lists.jboss.org
teiid-commits at lists.jboss.org
Fri Sep 6 08:09:54 EDT 2013
Author: jolee
Date: 2013-09-06 08:09:53 -0400 (Fri, 06 Sep 2013)
New Revision: 4594
Modified:
branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleChooseJoinStrategy.java
branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleCollapseSource.java
branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleCopyCriteria.java
branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RulePlanJoins.java
branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleRaiseAccess.java
branches/7.7.x/engine/src/main/java/org/teiid/query/rewriter/QueryRewriter.java
branches/7.7.x/engine/src/main/java/org/teiid/query/sql/lang/CompareCriteria.java
branches/7.7.x/engine/src/test/java/org/teiid/query/optimizer/TestJoinOptimization.java
branches/7.7.x/engine/src/test/java/org/teiid/query/optimizer/TestOptimizer.java
Log:
BZ975033: EDS_5.3.1_3_2013 + Teiid-2633: Criteria is assumed needed when no other predicates determined during RuleRaiseAccess (reprise)
Modified: branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleChooseJoinStrategy.java
===================================================================
--- branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleChooseJoinStrategy.java 2013-08-27 12:31:52 UTC (rev 4593)
+++ branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleChooseJoinStrategy.java 2013-09-06 12:09:53 UTC (rev 4594)
@@ -98,7 +98,7 @@
// no more than one group on each side
List<Criteria> crits = (List<Criteria>) joinNode.getProperty(NodeConstants.Info.JOIN_CRITERIA);
- filterOptionalCriteria(crits);
+ filterOptionalCriteria(crits, true);
if (crits.isEmpty() && jtype == JoinType.JOIN_INNER) {
joinNode.setProperty(NodeConstants.Info.JOIN_TYPE, JoinType.JOIN_CROSS);
@@ -179,12 +179,12 @@
return result;
}
- static void filterOptionalCriteria(List<Criteria> crits) {
+ static void filterOptionalCriteria(List<Criteria> crits, boolean all) {
for (Iterator<Criteria> iter = crits.iterator(); iter.hasNext();) {
Criteria crit = iter.next();
if (crit instanceof CompareCriteria) {
CompareCriteria cc = (CompareCriteria) crit;
- if (cc.isOptional()) {
+ if (Boolean.TRUE.equals(cc.getIsOptional()) || (all && cc.isOptional())) {
iter.remove();
}
}
Modified: branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleCollapseSource.java
===================================================================
--- branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleCollapseSource.java 2013-08-27 12:31:52 UTC (rev 4593)
+++ branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleCollapseSource.java 2013-09-06 12:09:53 UTC (rev 4594)
@@ -312,7 +312,7 @@
if (crits == null || crits.isEmpty()) {
crits = new ArrayList<Criteria>();
} else {
- RuleChooseJoinStrategy.filterOptionalCriteria(crits);
+ RuleChooseJoinStrategy.filterOptionalCriteria(crits, false);
if (crits.isEmpty() && joinType == JoinType.JOIN_INNER) {
joinType = JoinType.JOIN_CROSS;
}
Modified: branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleCopyCriteria.java
===================================================================
--- branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleCopyCriteria.java 2013-08-27 12:31:52 UTC (rev 4593)
+++ branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleCopyCriteria.java 2013-09-06 12:09:53 UTC (rev 4594)
@@ -179,6 +179,9 @@
//if this is unique or it a duplicate but reduced a current join conjunct, return true
if (isNew) {
joinCriteria.add(tgtCrit);
+ if (tgtCrit instanceof CompareCriteria) {
+ ((CompareCriteria)tgtCrit).setOptional(true);
+ }
return true;
} else if (checkForGroupReduction) {
return true;
@@ -325,23 +328,17 @@
while (i.hasNext()) {
Criteria crit = i.next();
- if (copyCriteria(crit, srcToTgt, newJoinCrits, combinedCriteria, copyingJoinCriteria, metadata, underAccess)) {
- changedTree = true;
- if (!copyingJoinCriteria) {
- crit = newJoinCrits.get(newJoinCrits.size() - 1);
- }
- //TODO more criteria can be "optional"
- if (crit instanceof CompareCriteria) {
- CompareCriteria cc = (CompareCriteria)crit;
- //if (cc.getLeftExpression() instanceof ElementSymbol && cc.getRightExpression() instanceof ElementSymbol) {
- //don't remove theta criteria, just mark it as optional
- cc.setOptional(copyingJoinCriteria?null:true);
- continue;
- //}
- }
+ if (copyCriteria(crit, srcToTgt, newJoinCrits, combinedCriteria, copyingJoinCriteria, metadata, underAccess)) {
+ changedTree = true;
if (copyingJoinCriteria) {
- i.remove();
- }
+ if (crit instanceof CompareCriteria) {
+ CompareCriteria cc = (CompareCriteria)crit;
+ //don't remove theta criteria, just mark it as optional
+ cc.setOptional(null);
+ continue;
+ }
+ i.remove();
+ }
}
}
return changedTree;
@@ -449,7 +446,7 @@
}
if (!GroupsUsedByElementsVisitor.getGroups(crit.getLeftExpression()).isEmpty() && !GroupsUsedByElementsVisitor.getGroups(crit.getRightExpression()).isEmpty()
&& (GroupsUsedByElementsVisitor.getGroups(left).isEmpty() || GroupsUsedByElementsVisitor.getGroups(oldValue).isEmpty())) {
- crit.setOptional(true); //the original has been simplified
+ crit.setOptional(null); //the original has been simplified
}
return false;
}
Modified: branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RulePlanJoins.java
===================================================================
--- branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RulePlanJoins.java 2013-08-27 12:31:52 UTC (rev 4593)
+++ branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RulePlanJoins.java 2013-09-06 12:09:53 UTC (rev 4594)
@@ -47,6 +47,7 @@
import org.teiid.query.optimizer.relational.plantree.PlanNode;
import org.teiid.query.processor.relational.JoinNode.JoinStrategyType;
import org.teiid.query.resolver.util.AccessPattern;
+import org.teiid.query.sql.lang.CompareCriteria;
import org.teiid.query.sql.lang.Criteria;
import org.teiid.query.sql.lang.JoinType;
import org.teiid.query.sql.symbol.ElementSymbol;
@@ -215,11 +216,17 @@
continue;
}
+ int secondPass = -1;
+
for (int i = accessNodes.size() - 1; i >= 0; i--) {
PlanNode accessNode1 = accessNodes.get(i);
+ Object modelId = RuleRaiseAccess.getModelIDFromAccess(accessNode1, metadata);
+ SupportedJoinCriteria sjc = CapabilitiesUtil.getSupportedJoinCriteria(modelId, metadata, capFinder);
- for (int k = accessNodes.size() - 1; k >= 0; k--) {
+ int discoveredJoin = -1;
+
+ for (int k = (secondPass==-1?accessNodes.size() - 1:secondPass); k >= 0; k--) {
if (k == i) {
continue;
}
@@ -239,8 +246,6 @@
*/
boolean hasJoinCriteria = false;
LinkedList<Criteria> joinCriteria = new LinkedList<Criteria>();
- Object modelId = RuleRaiseAccess.getModelIDFromAccess(accessNode1, metadata);
- SupportedJoinCriteria sjc = CapabilitiesUtil.getSupportedJoinCriteria(modelId, metadata, capFinder);
for (PlanNode critNode : criteriaNodes) {
Set<PlanNode> sources = joinRegion.getCritieriaToSourceMap().get(critNode);
@@ -275,10 +280,20 @@
JoinType joinType = joinCriteria.isEmpty()?JoinType.JOIN_CROSS:JoinType.JOIN_INNER;
//try to push to the source
- if (RuleRaiseAccess.canRaiseOverJoin(toTest, metadata, capFinder, joinCriteria, joinType, null) == null) {
+ if (RuleRaiseAccess.canRaiseOverJoin(toTest, metadata, capFinder, joinCriteria, joinType, null, secondPass != -1) == null) {
+ if (secondPass == - 1 && sjc != SupportedJoinCriteria.KEY && discoveredJoin == -1) {
+ for (Criteria criteria : joinCriteria) {
+ if (criteria instanceof CompareCriteria && ((CompareCriteria) criteria).isOptional()) {
+ discoveredJoin = k;
+ }
+ }
+ }
continue;
}
+ secondPass = -1;
+ discoveredJoin = -1;
+
structureChanged = true;
//remove the information that is no longer relevant to the join region
@@ -318,6 +333,11 @@
k = accessNodes.size();
break;
}
+
+ if (discoveredJoin != -1) {
+ i++; //rerun with the discoveredJoin criteria
+ secondPass = discoveredJoin;
+ }
}
}
Modified: branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleRaiseAccess.java
===================================================================
--- branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleRaiseAccess.java 2013-08-27 12:31:52 UTC (rev 4593)
+++ branches/7.7.x/engine/src/main/java/org/teiid/query/optimizer/relational/rules/RuleRaiseAccess.java 2013-09-06 12:09:53 UTC (rev 4594)
@@ -40,10 +40,10 @@
import org.teiid.query.optimizer.relational.OptimizerRule;
import org.teiid.query.optimizer.relational.RuleStack;
import org.teiid.query.optimizer.relational.plantree.NodeConstants;
+import org.teiid.query.optimizer.relational.plantree.NodeConstants.Info;
import org.teiid.query.optimizer.relational.plantree.NodeEditor;
import org.teiid.query.optimizer.relational.plantree.NodeFactory;
import org.teiid.query.optimizer.relational.plantree.PlanNode;
-import org.teiid.query.optimizer.relational.plantree.NodeConstants.Info;
import org.teiid.query.sql.lang.CompareCriteria;
import org.teiid.query.sql.lang.Criteria;
import org.teiid.query.sql.lang.JoinType;
@@ -541,14 +541,15 @@
}
}
- return canRaiseOverJoin(joinNode.getChildren(), metadata, capFinder, crits, type, record);
+ //jrl introducing context
+ return canRaiseOverJoin(joinNode.getChildren(), metadata, capFinder, crits, type, record, afterJoinPlanning);
}
static Object canRaiseOverJoin(List<PlanNode> children,
QueryMetadataInterface metadata,
CapabilitiesFinder capFinder,
List<Criteria> crits,
- JoinType type, AnalysisRecord record) throws QueryMetadataException,
+ JoinType type, AnalysisRecord record, boolean considerOptional) throws QueryMetadataException,
TeiidComponentException {
//we only want to consider binary joins
if (children.size() != 2) {
@@ -614,6 +615,7 @@
continue;
}
}
+ //TODO: plan based upon a predicate subset when possible
return null;
} else if (crit instanceof CompareCriteria) {
thetaCriteria.add((CompareCriteria)crit);
@@ -650,7 +652,8 @@
return null;
}
}
- } else if (sjc != SupportedJoinCriteria.ANY) {
+ }
+ if (sjc != SupportedJoinCriteria.ANY && thetaCriteria.isEmpty()) {
return null; //cross join not supported
}
@@ -667,20 +670,24 @@
return null;
}
- if (sjc == SupportedJoinCriteria.KEY) {
- for (CompareCriteria criteria : thetaCriteria) {
- criteria.setOptional(false);
- }
- } else {
- //TODO: this should be done in a less arbitrary way, and what about composite keys?
- boolean hasCriteria = false;
- for (CompareCriteria criteria : thetaCriteria) {
- if (criteria.getIsOptional() == null || (!hasCriteria && criteria.getIsOptional())) {
- criteria.setOptional(false);
+ if (crits != null && !crits.isEmpty()) {
+ if (considerOptional) {
+ for (CompareCriteria criteria : thetaCriteria) {
+ criteria.setOptional(false);
+ }
+ } else {
+ boolean hasCriteria = false;
+ for (CompareCriteria criteria : thetaCriteria) {
+ if (criteria.getIsOptional() == null || !criteria.isOptional()) {
+ hasCriteria = true;
+ break;
+ }
+ }
+ if (!hasCriteria) {
+ return null;
}
- hasCriteria = true;
- }
- }
+ }
+ }
return modelID;
}
Modified: branches/7.7.x/engine/src/main/java/org/teiid/query/rewriter/QueryRewriter.java
===================================================================
--- branches/7.7.x/engine/src/main/java/org/teiid/query/rewriter/QueryRewriter.java 2013-08-27 12:31:52 UTC (rev 4593)
+++ branches/7.7.x/engine/src/main/java/org/teiid/query/rewriter/QueryRewriter.java 2013-09-06 12:09:53 UTC (rev 4594)
@@ -40,12 +40,12 @@
import org.teiid.core.TeiidProcessingException;
import org.teiid.core.TeiidRuntimeException;
import org.teiid.core.types.DataTypeManager;
+import org.teiid.core.types.DataTypeManager.DefaultDataClasses;
import org.teiid.core.types.Transform;
-import org.teiid.core.types.DataTypeManager.DefaultDataClasses;
import org.teiid.core.util.Assertion;
import org.teiid.core.util.TimestampWithTimezone;
+import org.teiid.language.Like.MatchMode;
import org.teiid.language.SQLConstants;
-import org.teiid.language.Like.MatchMode;
import org.teiid.language.SQLConstants.NonReserved;
import org.teiid.query.QueryPlugin;
import org.teiid.query.eval.Evaluator;
@@ -57,16 +57,16 @@
import org.teiid.query.metadata.TempMetadataID;
import org.teiid.query.metadata.TempMetadataStore;
import org.teiid.query.optimizer.relational.rules.RuleMergeCriteria;
+import org.teiid.query.optimizer.relational.rules.RuleMergeCriteria.PlannedResult;
import org.teiid.query.optimizer.relational.rules.RulePlaceAccess;
-import org.teiid.query.optimizer.relational.rules.RuleMergeCriteria.PlannedResult;
import org.teiid.query.processor.relational.RelationalNodeUtil;
import org.teiid.query.resolver.ProcedureContainerResolver;
import org.teiid.query.resolver.QueryResolver;
import org.teiid.query.resolver.util.ResolverUtil;
import org.teiid.query.resolver.util.ResolverVisitor;
import org.teiid.query.sql.LanguageObject;
+import org.teiid.query.sql.LanguageObject.Util;
import org.teiid.query.sql.ProcedureReservedWords;
-import org.teiid.query.sql.LanguageObject.Util;
import org.teiid.query.sql.lang.*;
import org.teiid.query.sql.lang.PredicateCriteria.Negatable;
import org.teiid.query.sql.navigator.DeepPostOrderNavigator;
@@ -80,10 +80,10 @@
import org.teiid.query.sql.visitor.CriteriaTranslatorVisitor;
import org.teiid.query.sql.visitor.ElementCollectorVisitor;
import org.teiid.query.sql.visitor.EvaluatableVisitor;
+import org.teiid.query.sql.visitor.EvaluatableVisitor.EvaluationLevel;
import org.teiid.query.sql.visitor.ExpressionMappingVisitor;
import org.teiid.query.sql.visitor.FunctionCollectorVisitor;
import org.teiid.query.sql.visitor.ValueIteratorProviderCollectorVisitor;
-import org.teiid.query.sql.visitor.EvaluatableVisitor.EvaluationLevel;
import org.teiid.query.util.CommandContext;
import org.teiid.query.validator.UpdateValidator.UpdateInfo;
import org.teiid.query.validator.UpdateValidator.UpdateMapping;
@@ -97,8 +97,12 @@
public class QueryRewriter {
public static final CompareCriteria TRUE_CRITERIA = new CompareCriteria(new Constant(1, DataTypeManager.DefaultDataClasses.INTEGER), CompareCriteria.EQ, new Constant(1, DataTypeManager.DefaultDataClasses.INTEGER));
- public static final CompareCriteria FALSE_CRITERIA = new CompareCriteria(new Constant(1, DataTypeManager.DefaultDataClasses.INTEGER), CompareCriteria.EQ, new Constant(0, DataTypeManager.DefaultDataClasses.INTEGER));
- public static final CompareCriteria UNKNOWN_CRITERIA = new CompareCriteria(new Constant(null, DataTypeManager.DefaultDataClasses.STRING), CompareCriteria.NE, new Constant(null, DataTypeManager.DefaultDataClasses.STRING));
+ public static final CompareCriteria FALSE_CRITERIA = new CompareCriteria(new Constant(1, DataTypeManager.DefaultDataClasses.INTEGER), CompareCriteria.EQ, new Constant(0, DataTypeManager.DefaultDataClasses.INTEGER)) {
+ public void setOptional(Boolean isOptional) {};
+ };
+ public static final CompareCriteria UNKNOWN_CRITERIA = new CompareCriteria(new Constant(null, DataTypeManager.DefaultDataClasses.STRING), CompareCriteria.NE, new Constant(null, DataTypeManager.DefaultDataClasses.STRING)) {
+ public void setOptional(Boolean isOptional) {};
+ };
private static final Map<String, String> ALIASED_FUNCTIONS = new HashMap<String, String>();
Modified: branches/7.7.x/engine/src/main/java/org/teiid/query/sql/lang/CompareCriteria.java
===================================================================
--- branches/7.7.x/engine/src/main/java/org/teiid/query/sql/lang/CompareCriteria.java 2013-08-27 12:31:52 UTC (rev 4593)
+++ branches/7.7.x/engine/src/main/java/org/teiid/query/sql/lang/CompareCriteria.java 2013-09-06 12:09:53 UTC (rev 4594)
@@ -103,7 +103,10 @@
* @param isOptional
*/
public void setOptional(Boolean isOptional) {
- this.isOptional = isOptional;
+ if (isOptional == null && Boolean.TRUE.equals(this.isOptional)) {
+ return;
+ }
+ this.isOptional = isOptional;
}
/**
Modified: branches/7.7.x/engine/src/test/java/org/teiid/query/optimizer/TestJoinOptimization.java
===================================================================
--- branches/7.7.x/engine/src/test/java/org/teiid/query/optimizer/TestJoinOptimization.java 2013-08-27 12:31:52 UTC (rev 4593)
+++ branches/7.7.x/engine/src/test/java/org/teiid/query/optimizer/TestJoinOptimization.java 2013-09-06 12:09:53 UTC (rev 4594)
@@ -32,14 +32,16 @@
import org.teiid.api.exception.query.QueryParserException;
import org.teiid.api.exception.query.QueryResolverException;
import org.teiid.core.TeiidComponentException;
+import org.teiid.core.TeiidProcessingException;
import org.teiid.metadata.Column;
+import org.teiid.metadata.KeyRecord.Type;
import org.teiid.metadata.Table;
-import org.teiid.metadata.KeyRecord.Type;
import org.teiid.query.metadata.QueryMetadataInterface;
import org.teiid.query.metadata.TransformationMetadata;
import org.teiid.query.optimizer.TestOptimizer.ComparisonMode;
import org.teiid.query.optimizer.capabilities.BasicSourceCapabilities;
import org.teiid.query.optimizer.capabilities.CapabilitiesFinder;
+import org.teiid.query.optimizer.capabilities.DefaultCapabilitiesFinder;
import org.teiid.query.optimizer.capabilities.FakeCapabilitiesFinder;
import org.teiid.query.optimizer.capabilities.SourceCapabilities.Capability;
import org.teiid.query.optimizer.relational.rules.JoinUtil;
@@ -51,8 +53,8 @@
import org.teiid.query.sql.symbol.Expression;
import org.teiid.query.sql.symbol.GroupSymbol;
import org.teiid.query.unittest.RealMetadataFactory;
+import org.teiid.translator.ExecutionFactory.SupportedJoinCriteria;
import org.teiid.translator.SourceSystemFunctions;
-import org.teiid.translator.ExecutionFactory.NullOrder;
@SuppressWarnings("nls")
public class TestJoinOptimization {
@@ -261,7 +263,21 @@
0 // UnionAll
});
}
-
+
+ @Test public void testCopyCriteriaWithFunction3() throws TeiidComponentException, TeiidProcessingException {
+ String sql = "select bqt1.smalla.intkey, bqt1.smallb.intkey from bqt1.smalla, bqt1.smallb where bqt1.smalla.stringkey = bqt1.smallb.intkey and bqt1.smallb.intkey = 1"; //$NON-NLS-1$
+
+ BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
+
+ // Plan query
+ ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.exampleBQTCached(), new String[] {"SELECT g_0.intkey, g_1.intkey FROM bqt1.smalla AS g_0, bqt1.smallb AS g_1 WHERE (g_0.stringkey = '1') AND (g_1.intkey = 1)"}, new DefaultCapabilitiesFinder(caps), ComparisonMode.EXACT_COMMAND_STRING); //$NON-NLS-1$ //$NON-NLS-2$
+
+ TestOptimizer.checkNodeTypes(plan, TestOptimizer.FULL_PUSHDOWN);
+
+ caps.setSourceProperty(Capability.JOIN_CRITERIA_ALLOWED, SupportedJoinCriteria.THETA);
+
+ TestOptimizer.helpPlan(sql, RealMetadataFactory.exampleBQTCached(), new String[] {"SELECT g_0.intkey FROM bqt1.smallb AS g_0 WHERE g_0.intkey = 1", "SELECT g_0.intkey FROM bqt1.smalla AS g_0 WHERE g_0.stringkey = '1'"}, new DefaultCapabilitiesFinder(caps), ComparisonMode.EXACT_COMMAND_STRING); //$NON-NLS-1$ //$NON-NLS-2$
+ }
/**
* The intkey criteria should not be copied above to bqt1.smalla since the criteria is coming from the inner side in the join below
*/
Modified: branches/7.7.x/engine/src/test/java/org/teiid/query/optimizer/TestOptimizer.java
===================================================================
--- branches/7.7.x/engine/src/test/java/org/teiid/query/optimizer/TestOptimizer.java 2013-08-27 12:31:52 UTC (rev 4593)
+++ branches/7.7.x/engine/src/test/java/org/teiid/query/optimizer/TestOptimizer.java 2013-09-06 12:09:53 UTC (rev 4594)
@@ -2684,8 +2684,14 @@
ProcessorPlan plan = helpPlan("select pm2.g1.e1, pm2.g2.e1 from pm2.g1, pm2.g2, pm2.g3 where pm2.g1.e1 = pm2.g2.e1 and pm2.g2.e1 = pm2.g3.e1 and pm2.g1.e1 = 'a'", example1(), //$NON-NLS-1$
new String[] { "SELECT g_0.e1, g_1.e1 FROM pm2.g1 AS g_0, pm2.g2 AS g_1, pm2.g3 AS g_2 WHERE (g_0.e1 = g_1.e1) AND (g_1.e1 = g_2.e1) AND (g_0.e1 = 'a') AND (g_1.e1 = 'a') AND (g_2.e1 = 'a')" }); //$NON-NLS-1$
checkNodeTypes(plan, FULL_PUSHDOWN);
- }
+ }
+ @Test public void testCopyCriteriaWithTransitivePushdown2(){
+ ProcessorPlan plan = helpPlan("select pm1.g1.e1, pm1.g2.e1 from pm1.g1, pm1.g4, pm1.g2, pm1.g3 where pm1.g1.e1 = pm1.g2.e1 and pm1.g2.e1 = pm1.g3.e1 and pm1.g1.e1 = 'a'", example1(), //$NON-NLS-1$
+ new String[] { "SELECT g_1.e1, g_2.e1 FROM pm1.g4 AS g_0, pm1.g1 AS g_1, pm1.g2 AS g_2, pm1.g3 AS g_3 WHERE (g_2.e1 = g_3.e1) AND (g_1.e1 = g_2.e1) AND (g_1.e1 = 'a') AND (g_2.e1 = 'a') AND (g_3.e1 = 'a')" }); //$NON-NLS-1$
+ checkNodeTypes(plan, FULL_PUSHDOWN);
+ }
+
@Test public void testCleanCriteria(){
ProcessorPlan plan = helpPlan("select pm2.g1.e1, pm2.g2.e1 from pm2.g1, pm2.g2 where pm2.g1.e1=pm2.g2.e1 and pm2.g1.e2 IN (1, 2)", example1(), //$NON-NLS-1$
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