use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.
the class TestOptimizer method testUnnamedAggInView.
@Test
public void testUnnamedAggInView() throws Exception {
MetadataStore metadataStore = new MetadataStore();
// $NON-NLS-1$
Schema bqt1 = RealMetadataFactory.createPhysicalModel("BQT1", metadataStore);
// $NON-NLS-1$
Schema vqt = RealMetadataFactory.createVirtualModel("VQT", metadataStore);
// $NON-NLS-1$
Table bqt1SmallA = RealMetadataFactory.createPhysicalGroup("SmallA", bqt1);
RealMetadataFactory.createElement("col", bqt1SmallA, DataTypeManager.DefaultDataTypes.STRING);
Table agg3 = RealMetadataFactory.createVirtualGroup("Agg3", vqt, new QueryNode("select count(*) from smalla"));
RealMetadataFactory.createElement("count", agg3, DataTypeManager.DefaultDataTypes.INTEGER);
TransformationMetadata metadata = RealMetadataFactory.createTransformationMetadata(metadataStore, "x");
BasicSourceCapabilities bac = getTypicalCapabilities();
bac.setCapabilitySupport(Capability.QUERY_FROM_INLINE_VIEWS, true);
bac.setCapabilitySupport(Capability.QUERY_AGGREGATES_COUNT_STAR, true);
bac.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
helpPlan("select count(*) from agg3", metadata, new String[] {}, new DefaultCapabilitiesFinder(bac), ComparisonMode.EXACT_COMMAND_STRING);
}
use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.
the class TestOptimizer method testCase3778.
/*
* Set criteria was not getting pushed down correctly when there was a self-join
* of a virtual table containing a join in it's transformation. All virtual
* models use the same physical model pm1.
*/
@Test
public void testCase3778() throws Exception {
QueryMetadataInterface metadata = RealMetadataFactory.example1Cached();
BasicSourceCapabilities caps = getTypicalCapabilities();
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
caps.setCapabilitySupport(Capability.CRITERIA_IN_SUBQUERY, true);
// $NON-NLS-1$
capFinder.addCapabilities("pm1", caps);
ProcessorPlan plan = helpPlan(// $NON-NLS-1$
"select a.e1, b.e1 from vm2.g1 a, vm2.g1 b where a.e1 = b.e1 and a.e2 in /*+ no_unnest */ (select e2 from vm1.g1)", metadata, null, capFinder, new String[] { "SELECT g_0.e1, g_2.e1 FROM pm1.g1 AS g_0, pm1.g2 AS g_1, pm1.g1 AS g_2, pm1.g2 AS g_3 WHERE (g_2.e2 = g_3.e2) AND (g_0.e2 = g_1.e2) AND (g_0.e1 = g_2.e1) AND (g_0.e2 IN /*+ NO_UNNEST */ (SELECT g_4.e2 FROM pm1.g1 AS g_4))" }, // $NON-NLS-1$
ComparisonMode.EXACT_COMMAND_STRING);
checkNodeTypes(plan, FULL_PUSHDOWN);
}
use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.
the class TestAggregatePushdown method testPushDownOverUnionMixed.
@Test
public void testPushDownOverUnionMixed() throws Exception {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = getAggregateCapabilities();
// $NON-NLS-1$
capFinder.addCapabilities("pm1", caps);
// $NON-NLS-1$
capFinder.addCapabilities("pm2", TestOptimizer.getTypicalCapabilities());
ProcessorPlan plan = // $NON-NLS-1$
TestOptimizer.helpPlan(// $NON-NLS-1$
"select max(e2), count(*) from (select e1, e2 from pm1.g1 union all select e1, e2 from pm2.g2) z", // $NON-NLS-1$
RealMetadataFactory.example1Cached(), // $NON-NLS-1$
null, // $NON-NLS-1$
capFinder, new String[] { "SELECT g_0.e2 FROM pm2.g2 AS g_0", "SELECT MAX(g_0.e2), COUNT(*) FROM pm1.g1 AS g_0" }, // $NON-NLS-1$
ComparisonMode.EXACT_COMMAND_STRING);
TestOptimizer.checkNodeTypes(plan, new int[] { // Access
2, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
0, // Grouping
1, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
0, // Null
0, // PlanExecution
0, // Project
1, // Select
0, // Sort
0, // UnionAll
1 });
}
use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.
the class TestAggregatePushdown method testGroupByConstant.
@Test
public void testGroupByConstant() throws Exception {
BasicSourceCapabilities caps = getAggregateCapabilities();
caps.setCapabilitySupport(Capability.QUERY_FUNCTIONS_IN_GROUP_BY, true);
String sql = "SELECT x from (select 'aaa' as x FROM pm1.g1) AS g_0 GROUP BY x";
// $NON-NLS-1$
TestOptimizer.helpPlan(// $NON-NLS-1$
sql, // $NON-NLS-1$
RealMetadataFactory.example1Cached(), new String[] { "SELECT v_0.c_0 FROM (SELECT 'aaa' AS c_0 FROM pm1.g1 AS g_0) AS v_0 GROUP BY v_0.c_0" }, new DefaultCapabilitiesFinder(caps), ComparisonMode.EXACT_COMMAND_STRING);
}
use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.
the class TestAggregatePushdown method testAvgAggregate.
/**
* Average requires the creation of staged sum and count aggregates
*/
@Test
public void testAvgAggregate() throws Exception {
FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
BasicSourceCapabilities caps = getAggregateCapabilities();
caps.setCapabilitySupport(Capability.QUERY_ORDERBY, false);
// $NON-NLS-1$
capFinder.addCapabilities("pm1", caps);
// $NON-NLS-1$
capFinder.addCapabilities("pm2", caps);
// $NON-NLS-1$
String sql = "SELECT avg(y.e2) from pm1.g1 x, pm2.g1 y where x.e4 = y.e4 group by x.e2, y.e1";
ProcessorPlan plan = TestOptimizer.helpPlan(sql, RealMetadataFactory.example1Cached(), null, capFinder, new String[] { "SELECT g_0.e4, g_0.e2 FROM pm1.g1 AS g_0", "SELECT g_0.e4, g_0.e1, SUM(g_0.e2), COUNT(g_0.e2) FROM pm2.g1 AS g_0 GROUP BY g_0.e4, g_0.e1" }, // $NON-NLS-1$ //$NON-NLS-2$
TestOptimizer.ComparisonMode.EXACT_COMMAND_STRING);
TestOptimizer.checkNodeTypes(plan, new int[] { // Access
2, // DependentAccess
0, // DependentSelect
0, // DependentProject
0, // DupRemove
0, // Grouping
1, // NestedLoopJoinStrategy
0, // MergeJoinStrategy
1, // Null
0, // PlanExecution
0, // Project
1, // Select
0, // Sort
0, // UnionAll
0 });
}
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