Examples with QueryMetadataInterface org.teiid.query.metadata.QueryMetadataInterface used on opensource projects

Example 76 with QueryMetadataInterface

use of org.teiid.query.metadata.QueryMetadataInterface in project teiid by teiid.

the class TestJoinOptimization method testCopyCriteriaJoinPushed.

/**
 * RuleCopyCriteria will remove the first join criteria and the source doesn't support the * function.  However we still
 * want the join to be pushed since it originally contained proper criteria.
 */
@Test
public void testCopyCriteriaJoinPushed() throws Exception {
    // $NON-NLS-1$
    String sql = "select pm1.g1.e1 from pm1.g1, pm1.g2 where pm1.g1.e1 = pm1.g2.e1 and pm1.g1.e1 = 5 and pm1.g1.e2 * 5 = pm1.g2.e2";
    QueryMetadataInterface metadata = RealMetadataFactory.example1Cached();
    ProcessorPlan plan = TestOptimizer.helpPlan(sql, metadata, new String[] { "SELECT g_0.e2, g_1.e2, g_0.e1 FROM pm1.g1 AS g_0, pm1.g2 AS g_1 WHERE (g_0.e1 = g_1.e1) AND (g_0.e1 = '5') AND (g_1.e1 = '5')" }, // $NON-NLS-1$
    ComparisonMode.EXACT_COMMAND_STRING);
    TestOptimizer.checkNodeTypes(plan, new int[] { // Access
    1, // DependentAccess
    0, // DependentSelect
    0, // DependentProject
    0, // DupRemove
    0, // Grouping
    0, // NestedLoopJoinStrategy
    0, // MergeJoinStrategy
    0, // Null
    0, // PlanExecution
    0, // Project
    1, // Select
    1, // Sort
    0, // UnionAll
    0 });
}

Example 77 with QueryMetadataInterface

use of org.teiid.query.metadata.QueryMetadataInterface in project teiid by teiid.

the class TestJoinOptimization method testCrossJoinAvoidance.

@Test
public void testCrossJoinAvoidance() throws Exception {
    CapabilitiesFinder capFinder = TestOptimizer.getGenericFinder();
    QueryMetadataInterface metadata = RealMetadataFactory.exampleBQT();
    // $NON-NLS-1$
    RealMetadataFactory.setCardinality("bqt1.smallb", 1800, metadata);
    // $NON-NLS-1$
    RealMetadataFactory.setCardinality("bqt1.smalla", -1, metadata);
    // $NON-NLS-1$
    RealMetadataFactory.setCardinality("bqt2.smallb", 15662, metadata);
    TestOptimizer.helpPlan(// $NON-NLS-1$
    "SELECT BQT1.SmallA.IntKey FROM BQT1.SmallB, BQT1.Smalla, bqt2.smallb where bqt2.smallb.intkey = bqt1.smallb.intkey and bqt2.smallb.stringkey = bqt1.smalla.stringkey", metadata, null, capFinder, new String[] { "SELECT g_0.IntKey, g_0.StringKey FROM BQT2.SmallB AS g_0 WHERE g_0.IntKey IN (<dependent values>)", "SELECT g_0.StringKey AS c_0, g_0.IntKey AS c_1 FROM BQT1.SmallA AS g_0 ORDER BY c_0", "SELECT g_0.IntKey AS c_0 FROM BQT1.SmallB AS g_0 ORDER BY c_0" }, ComparisonMode.EXACT_COMMAND_STRING);
}

Example 78 with QueryMetadataInterface

use of org.teiid.query.metadata.QueryMetadataInterface in project teiid by teiid.

the class TestRuleRaiseNull method testRaiseNullWithUnionOrderBy.

@Test
public void testRaiseNullWithUnionOrderBy() {
    FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
    BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
    caps.setCapabilitySupport(Capability.QUERY_ORDERBY, true);
    QueryMetadataInterface metadata = RealMetadataFactory.exampleBQTCached();
    // $NON-NLS-1$
    capFinder.addCapabilities("BQT2", caps);
    // $NON-NLS-1$
    capFinder.addCapabilities("BQT1", caps);
    // $NON-NLS-1$
    String sql = "select intkey from bqt1.smalla where 1 = 0 union all select intnum from bqt2.smalla order by intkey";
    ProcessorPlan plan = TestOptimizer.helpPlan(sql, metadata, null, capFinder, new String[] { "SELECT intnum AS intkey FROM bqt2.smalla ORDER BY intkey" }, // $NON-NLS-1$
    TestOptimizer.SHOULD_SUCCEED);
    TestOptimizer.checkNodeTypes(plan, TestOptimizer.FULL_PUSHDOWN);
}

Example 79 with QueryMetadataInterface

use of org.teiid.query.metadata.QueryMetadataInterface in project teiid by teiid.

the class TestSortOptimization method testUnionWithAggregation.

@Test
public void testUnionWithAggregation() throws Exception {
    QueryMetadataInterface metadata = RealMetadataFactory.fromDDL("create foreign table items (item_id varchar)", "x", "y");
    String sql = "select FOO.SOURCE SOURCE, FOO.FOO_ID FOO_ID from (" + "(select 'X' SOURCE, ITEMS.ITEM_ID FOO_ID from ITEMS ITEMS group by ITEMS.ITEM_ID) " + "union all (select 'Y' SOURCE, ITEMS.ITEM_ID FOO_ID from ITEMS ITEMS) union all" + " (select 'Z' SOURCE, '123' FOO_ID) ) FOO order by FOO_ID desc limit 50";
    BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
    caps.setCapabilitySupport(Capability.ROW_LIMIT, true);
    caps.setCapabilitySupport(Capability.QUERY_UNION, true);
    caps.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
    caps.setCapabilitySupport(Capability.QUERY_SET_ORDER_BY, true);
    caps.setCapabilitySupport(Capability.QUERY_SET_LIMIT_OFFSET, true);
    helpPlan(sql, metadata, null, new DefaultCapabilitiesFinder(caps), new String[] { "SELECT 'X' AS c_0, g_1.item_id AS c_1 FROM y.items AS g_1 GROUP BY g_1.item_id UNION ALL SELECT 'Y' AS c_0, g_0.item_id AS c_1 FROM y.items AS g_0 ORDER BY c_1 DESC LIMIT 50" }, // $NON-NLS-1$
    ComparisonMode.EXACT_COMMAND_STRING);
}

Example 80 with QueryMetadataInterface

use of org.teiid.query.metadata.QueryMetadataInterface in project teiid by teiid.

the class TestSubqueryPushdown method testProjectSubqueryPushdown.

/*
     * Expressions containing subqueries can be pushed down
     */
@Test
public void testProjectSubqueryPushdown() throws Exception {
    FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
    QueryMetadataInterface metadata = RealMetadataFactory.example1Cached();
    BasicSourceCapabilities caps = getTypicalCapabilities();
    caps.setCapabilitySupport(Capability.QUERY_SUBQUERIES_CORRELATED, true);
    caps.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR, true);
    caps.setCapabilitySupport(Capability.QUERY_AGGREGATES, true);
    caps.setCapabilitySupport(Capability.QUERY_AGGREGATES_MAX, true);
    // $NON-NLS-1$
    caps.setFunctionSupport("+", true);
    // $NON-NLS-1$
    caps.setFunctionSupport("convert", true);
    // $NON-NLS-1$
    capFinder.addCapabilities("pm1", caps);
    ProcessorPlan plan = helpPlan(// $NON-NLS-1$
    "select pm1.g1.e1, convert((select max(vm1.g1.e1) from vm1.g1), integer) + 1 from pm1.g1", // $NON-NLS-1$
    metadata, null, capFinder, new String[] { "SELECT g_0.e1, (convert((SELECT MAX(g_0.e1) FROM pm1.g1 AS g_0), integer) + 1) FROM pm1.g1 AS g_0" }, // $NON-NLS-1$
    ComparisonMode.EXACT_COMMAND_STRING);
    assertNotNull(plan.getDescriptionProperties().getProperty("Query Subplan 0"));
    HardcodedDataManager hcdm = new HardcodedDataManager(true);
    hcdm.addData("SELECT MAX(g_0.e1) FROM pm1.g1 AS g_0", Arrays.asList("13"));
    hcdm.addData("SELECT g_0.e1 FROM pm1.g1 AS g_0", Arrays.asList("10"), Arrays.asList("13"));
    CommandContext cc = TestProcessor.createCommandContext();
    cc.setMetadata(metadata);
    TestProcessor.helpProcess(plan, cc, hcdm, new List<?>[] { Arrays.asList("10", 14), Arrays.asList("13", 14) });
    caps.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR_PROJECTION, true);
    plan = helpPlan(// $NON-NLS-1$
    "select pm1.g1.e1, convert((select max(vm1.g1.e1) from vm1.g1), integer) + 1 from pm1.g1", // $NON-NLS-1$
    metadata, null, capFinder, new String[] { "SELECT g_0.e1, (convert((SELECT MAX(g_1.e1) FROM pm1.g1 AS g_1), integer) + 1) FROM pm1.g1 AS g_0" }, // $NON-NLS-1$
    SHOULD_SUCCEED);
    checkNodeTypes(plan, FULL_PUSHDOWN);
    assertNull(plan.getDescriptionProperties().getProperty("Query Subplan 0"));
}