/*
* 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.optimizer;
import org.junit.Test;
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.optimizer.capabilities.SourceCapabilities.Capability;
import org.teiid.query.processor.ProcessorPlan;
import org.teiid.query.unittest.RealMetadataFactory;
import org.teiid.translator.SourceSystemFunctions;
/**
* expressions in group use lacks robust support in MySQL, PostGres, and Derby, so a compensation step must be taken to create an inline view
*/
public class TestExpressionsInGroupBy {
@Test public void testCase1565() throws Exception {
// Create query
String sql = "SELECT x, COUNT(*) FROM (SELECT convert(TimestampValue, date) AS x FROM bqt1.smalla) as y GROUP BY x"; //$NON-NLS-1$
// Create capabilities
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION, true);
caps.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT_STAR, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_INLINE_VIEWS, true);
caps.setFunctionSupport("convert", true); //$NON-NLS-1$
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
// Plan query
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] { "SELECT v_0.c_0, COUNT(*) FROM (SELECT convert(g_0.TimestampValue, date) AS c_0 FROM bqt1.smalla AS g_0) AS v_0 GROUP BY v_0.c_0" }, //$NON-NLS-1$
true);
TestOptimizer.checkNodeTypes(plan, TestOptimizer.FULL_PUSHDOWN);
}
// Merge across multiple virtual groups - should be same outcome as testCase1565
@Test public void testCase1565_2() throws Exception {
// Create query
String sql = "SELECT x, COUNT(*) FROM (SELECT convert(TimestampValue, date) AS x FROM (SELECT TimestampValue from bqt1.smalla) as z) as y GROUP BY x"; //$NON-NLS-1$
// Create capabilities
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION, true);
caps.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT_STAR, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_INLINE_VIEWS, true);
caps.setFunctionSupport("convert", true); //$NON-NLS-1$
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
// Plan query
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] { "SELECT v_0.c_0, COUNT(*) FROM (SELECT convert(g_0.TimestampValue, date) AS c_0 FROM bqt1.smalla AS g_0) AS v_0 GROUP BY v_0.c_0" }, //$NON-NLS-1$
true);
TestOptimizer.checkNodeTypes(plan, TestOptimizer.FULL_PUSHDOWN);
}
// Merge across multiple virtual groups above the physical
@Test public void testCase1565_3() throws Exception {
String sql = "SELECT x, COUNT(*) FROM (SELECT convert(TimestampValue, date) AS x FROM (SELECT TimestampValue from bqt1.smalla) as z) as y GROUP BY x"; //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.exampleBQTCached(),
null, TestOptimizer.getGenericFinder(),
new String[] { "SELECT TimestampValue FROM bqt1.smalla" }, //$NON-NLS-1$
true);
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
0, // Select
0, // Sort
0 // UnionAll
});
}
// Test what happens when not all the functions in the virtual SELECT can be pushed
@Test public void testCase1565_4() throws Exception {
// Create query
String sql = "SELECT x, y FROM (SELECT convert(TimestampValue, date) as x, length(stringkey) as y from bqt1.smalla) as z GROUP BY x, y"; //$NON-NLS-1$
// Create capabilities
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT_STAR, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
caps.setFunctionSupport("convert", true); //$NON-NLS-1$
// Plan query
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] { "SELECT TimestampValue, stringkey FROM bqt1.smalla" }, //$NON-NLS-1$
true);
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
0, // Select
0, // Sort
0 // UnionAll
});
}
// Test nested functions
@Test public void testCase1565_5() throws Exception {
// Create query
String sql = "SELECT x, COUNT(*) FROM (SELECT convert(intkey + 5, string) AS x FROM bqt1.smalla) as y GROUP BY x"; //$NON-NLS-1$
// Create capabilities
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT_STAR, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
caps.setFunctionSupport("convert", true); //$NON-NLS-1$
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
// Plan query
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] { "SELECT intkey FROM bqt1.smalla" }, //$NON-NLS-1$
true);
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
0, // Select
0, // Sort
0 // UnionAll
});
}
// SELECT SUM(x) FROM (SELECT IntKey+1 AS x FROM BQT1.SmallA) AS g
@Test public void testAggregateNoGroupByWithNestedFunction() {
ProcessorPlan plan = TestOptimizer.helpPlan("SELECT SUM(x) FROM (SELECT IntKey+1 AS x FROM BQT1.SmallA) AS g", RealMetadataFactory.exampleBQTCached(), //$NON-NLS-1$
new String[] { "SELECT IntKey FROM BQT1.SmallA" }); //$NON-NLS-1$
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
0, // Select
0, // Sort
0 // UnionAll
});
}
/**
* Without inline view support or functions in group by the agg is not pushed down
*/
@Test public void testFunctionInGroupBy() {
String sql = "SELECT sum (IntKey), case when IntKey>=5000 then '5000 +' else '0-999' end " + //$NON-NLS-1$
"FROM BQT1.SmallA GROUP BY case when IntKey>=5000 then '5000 +' else '0-999' end"; //$NON-NLS-1$
// Plan query
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION, true);
caps.setCapabilitySupport(Capability.QUERY_CASE, true);
caps.setCapabilitySupport(Capability.QUERY_SEARCHED_CASE, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
caps.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_ORDERED, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(sql,
RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] {"SELECT CASE WHEN BQT1.SmallA.IntKey >= 5000 THEN '5000 +' ELSE '0-999' END, BQT1.SmallA.IntKey FROM BQT1.SmallA"}, //$NON-NLS-1$
TestOptimizer.SHOULD_SUCCEED );
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
0, // Select
0, // Sort
0 // UnionAll
});
}
@Test public void testFunctionInGroupBy1() {
String sql = "SELECT sum (IntKey), case when IntKey>=5000 then '5000 +' else '0-999' end " + //$NON-NLS-1$
"FROM BQT1.SmallA GROUP BY case when IntKey>=5000 then '5000 +' else '0-999' end"; //$NON-NLS-1$
// Plan query
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION, true);
caps.setCapabilitySupport(Capability.QUERY_CASE, true);
caps.setCapabilitySupport(Capability.QUERY_SEARCHED_CASE, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
caps.setCapabilitySupport(Capability.QUERY_FUNCTIONS_IN_GROUP_BY, true);
caps.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_ORDERED, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(sql,
RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] {"SELECT SUM(BQT1.SmallA.IntKey), CASE WHEN BQT1.SmallA.IntKey >= 5000 THEN '5000 +' ELSE '0-999' END FROM BQT1.SmallA GROUP BY CASE WHEN BQT1.SmallA.IntKey >= 5000 THEN '5000 +' ELSE '0-999' END"}, //$NON-NLS-1$
TestOptimizer.SHOULD_SUCCEED );
TestOptimizer.checkNodeTypes(plan, TestOptimizer.FULL_PUSHDOWN);
}
@Test public void testFunctionInGroupBy2() {
String sql = "SELECT sum (IntKey), case when IntKey>=5000 then '5000 +' else '0-999' end " + //$NON-NLS-1$
"FROM BQT1.SmallA GROUP BY case when IntKey>=5000 then '5000 +' else '0-999' end"; //$NON-NLS-1$
// Plan query
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION, true);
caps.setCapabilitySupport(Capability.QUERY_CASE, true);
caps.setCapabilitySupport(Capability.QUERY_SEARCHED_CASE, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_INLINE_VIEWS, true);
caps.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_ORDERED, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(sql,
RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] {"SELECT SUM(v_0.c_1), v_0.c_0 FROM (SELECT CASE WHEN g_0.IntKey >= 5000 THEN '5000 +' ELSE '0-999' END AS c_0, g_0.IntKey AS c_1 FROM BQT1.SmallA AS g_0) AS v_0 GROUP BY v_0.c_0"}, //$NON-NLS-1$
TestOptimizer.SHOULD_SUCCEED );
TestOptimizer.checkNodeTypes(plan, TestOptimizer.FULL_PUSHDOWN);
}
@Test public void testFunctionInGroupByWithSameName() {
String sql = "SELECT sum(a.floatnum), a.intkey, b.intkey, a.intkey + b.intkey" + //$NON-NLS-1$
" FROM BQT1.SmallA a, BQT1.SmallB b where a.stringkey = b.stringkey GROUP BY a.intkey + b.intkey, a.intkey, b.intkey"; //$NON-NLS-1$
// Plan query
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
caps.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION, true);
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_INLINE_VIEWS, true);
caps.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_ORDERED, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
caps.setFunctionSupport(SourceSystemFunctions.ADD_OP, true);
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(sql,
RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] {"SELECT SUM(v_0.c_3), v_0.c_1, v_0.c_2, v_0.c_0 FROM (SELECT (g_0.IntKey + g_1.IntKey) AS c_0, g_0.IntKey AS c_1, g_1.IntKey AS c_2, g_0.FloatNum AS c_3 FROM BQT1.SmallA AS g_0, BQT1.SmallB AS g_1 WHERE g_0.StringKey = g_1.StringKey) AS v_0 GROUP BY v_0.c_0, v_0.c_1, v_0.c_2"}, //$NON-NLS-1$
TestOptimizer.SHOULD_SUCCEED );
TestOptimizer.checkNodeTypes(plan, TestOptimizer.FULL_PUSHDOWN);
}
/**
* Test what happens when we have a CASE in the GROUP BY and source has aggregate capability but
* does not have CASE capability. Should not be able to push down GROUP BY.
*
* @since 4.2
*/
@Test public void testFunctionInGroupByCantPush() {
String sql = "SELECT sum (IntKey), case when IntKey>=5000 then '5000 +' else '0-999' end " + //$NON-NLS-1$
"FROM BQT1.SmallA GROUP BY case when IntKey>=5000 then '5000 +' else '0-999' end"; //$NON-NLS-1$
// Plan query
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_ORDERED, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
caps.setCapabilitySupport(Capability.QUERY_CASE, false);
caps.setCapabilitySupport(Capability.QUERY_SEARCHED_CASE, false);
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(sql,
RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] {"SELECT IntKey FROM BQT1.SmallA"}, //$NON-NLS-1$
TestOptimizer.SHOULD_SUCCEED );
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
0, // Select
0, // Sort
0 // UnionAll
});
}
/**
* Test what happens when we have a CASE in the GROUP BY and source has aggregate capability but
* does not have CASE capability. Should not be able to push down GROUP BY.
*
* @since 4.2
*/
@Test public void testFunctionInGroupByHavingCantPush() {
String sql = "SELECT sum (IntKey), case when IntKey>=5000 then '5000 +' else '0-999' end " + //$NON-NLS-1$
"FROM BQT1.SmallA GROUP BY case when IntKey>=5000 then '5000 +' else '0-999' end " + //$NON-NLS-1$
"HAVING case when IntKey>=5000 then '5000 +' else '0-999' end = '5000 +'"; //$NON-NLS-1$
// Plan query
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_ORDERED, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
caps.setCapabilitySupport(Capability.QUERY_CASE, false);
caps.setCapabilitySupport(Capability.QUERY_SEARCHED_CASE, false);
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(sql,
RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] {"SELECT IntKey FROM BQT1.SmallA"}, //$NON-NLS-1$
TestOptimizer.SHOULD_SUCCEED );
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
1, // Select
0, // Sort
0 // UnionAll
});
}
/**
* Test what happens when we have a CASE in the GROUP BY and source has aggregate capability but
* does not have CASE capability. Should not be able to push down GROUP BY.
*
* @since 4.2
*/
@Test public void testFunctionInGroupByCantPushRewritten() {
String sql = "SELECT SUM(IntKey), c FROM (SELECT IntKey, case when IntKey>=5000 then '5000 +' else '0-999' end AS c FROM BQT1.SmallA) AS temp GROUP BY c"; //$NON-NLS-1$
// Plan query
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_ORDERED, true);
caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
caps.setCapabilitySupport(Capability.QUERY_CASE, false);
caps.setCapabilitySupport(Capability.QUERY_SEARCHED_CASE, false);
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(sql,
RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] {"SELECT IntKey FROM BQT1.SmallA"}, //$NON-NLS-1$
TestOptimizer.SHOULD_SUCCEED );
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
0, // Select
0, // Sort
0 // UnionAll
});
}
@Test public void testFunctionOfAggregateCantPush2() {
String sql = "SELECT SUM(length(StringKey || 'x')) + 1 AS x FROM BQT1.SmallA GROUP BY StringKey || 'x' HAVING space(MAX(length((StringKey || 'x') || 'y'))) = ' '"; //$NON-NLS-1$
// Plan query
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(sql,
RealMetadataFactory.exampleBQTCached(),
null, capFinder,
new String[] {"SELECT StringKey FROM BQT1.SmallA"}, //$NON-NLS-1$
TestOptimizer.SHOULD_SUCCEED );
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
1, // Select
0, // Sort
0 // UnionAll
});
}
@Test public void testDontPushGroupByUnsupportedFunction() throws Exception {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = new BasicSourceCapabilities();
caps.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
capFinder.addCapabilities("pm1", caps); //$NON-NLS-1$
ProcessorPlan plan = TestOptimizer.helpPlan(
"SELECT e2 as x FROM pm1.g1 GROUP BY upper(e1), e2", //$NON-NLS-1$
RealMetadataFactory.example1Cached(),
null, capFinder,
new String[] {"SELECT pm1.g1.e1, pm1.g1.e2 FROM pm1.g1"}, //$NON-NLS-1$
ComparisonMode.EXACT_COMMAND_STRING );
TestOptimizer.checkNodeTypes(plan, new int[] {
1, // Access
0, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
1, // Grouping
0, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
1, // Project
0, // Select
0, // Sort
0 // UnionAll
});
}
}