Examples with BasicSourceCapabilities org.teiid.query.optimizer.capabilities.BasicSourceCapabilities used on opensource projects

Example 21 with BasicSourceCapabilities

use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.

the class TestOptimizer method helpTestUnionPushdown.

public void helpTestUnionPushdown(boolean queryHasOrderBy, boolean hasUnionCapability, boolean hasUnionOrderByCapability) {
    FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
    BasicSourceCapabilities caps = new BasicSourceCapabilities();
    caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_INNER, true);
    caps.setCapabilitySupport(Capability.QUERY_UNION, hasUnionCapability);
    caps.setCapabilitySupport((Capability.QUERY_ORDERBY), hasUnionOrderByCapability);
    caps.setCapabilitySupport((Capability.QUERY_SET_ORDER_BY), hasUnionOrderByCapability);
    // $NON-NLS-1$
    capFinder.addCapabilities("BQT1", caps);
    // $NON-NLS-1$
    String sqlUnion = "SELECT IntKey FROM BQT1.SmallA UNION ALL SELECT IntKey FROM BQT1.SmallB";
    // $NON-NLS-1$
    String sqlOrderBy = sqlUnion + " ORDER BY IntKey";
    String sql = null;
    if (queryHasOrderBy) {
        sql = sqlOrderBy;
    } else {
        sql = sqlUnion;
    }
    String[] expectedSql = null;
    if (hasUnionCapability) {
        if (queryHasOrderBy && hasUnionOrderByCapability) {
            expectedSql = new String[] { sqlOrderBy };
        } else {
            expectedSql = new String[] { sqlUnion };
        }
    } else {
        // $NON-NLS-1$//$NON-NLS-2$
        expectedSql = new String[] { "SELECT IntKey FROM BQT1.SmallA", "SELECT IntKey FROM BQT1.SmallB" };
    }
    QueryMetadataInterface metadata = RealMetadataFactory.exampleBQTCached();
    ProcessorPlan plan = helpPlan(sql, metadata, null, capFinder, expectedSql, SHOULD_SUCCEED);
    int accessCount = hasUnionCapability ? 1 : 2;
    int projectCount = 0;
    int sortCount = 0;
    if (queryHasOrderBy && !(hasUnionCapability && hasUnionOrderByCapability)) {
        sortCount = 1;
    }
    int unionCount = hasUnionCapability ? 0 : 1;
    checkNodeTypes(plan, new int[] { // Access
    accessCount, // DependentAccess
    0, // DependentSelect
    0, // DependentProject
    0, // DupRemove
    0, // Grouping
    0, // NestedLoopJoinStrategy
    0, // MergeJoinStrategy
    0, // Null
    0, // PlanExecution
    0, // Project
    projectCount, // Select
    0, // Sort
    sortCount, // UnionAll
    unionCount });
}

Example 22 with BasicSourceCapabilities

use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.

the class TestOptimizer method testCorrelatedSubqueryOverJoin.

/**
 * previously the subqueries were being pushed too far and then not having the appropriate correlated references
 */
@Test
public void testCorrelatedSubqueryOverJoin() throws Exception {
    FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
    BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_INNER, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
    caps.setCapabilitySupport(Capability.QUERY_SUBQUERIES_CORRELATED, true);
    caps.setCapabilitySupport(Capability.CRITERIA_EXISTS, true);
    // $NON-NLS-1$
    capFinder.addCapabilities("pm1", caps);
    QueryMetadataInterface metadata = RealMetadataFactory.example1Cached();
    // $NON-NLS-1$
    String sql = "select pm1.g1.e1 from pm1.g1, (select * from pm1.g2) y where (pm1.g1.e1 = y.e1) and exists (select e2 from pm1.g2 where e1 = y.e1) and exists (select e3 from pm1.g2 where e1 = y.e1)";
    ProcessorPlan plan = helpPlan(sql, metadata, null, capFinder, new String[] { "SELECT g_0.e1 FROM pm1.g1 AS g_0, pm1.g2 AS g_1 WHERE (g_0.e1 = g_1.e1) AND (EXISTS (SELECT g_2.e2 FROM pm1.g2 AS g_2 WHERE g_2.e1 = g_1.e1)) AND (EXISTS (SELECT g_3.e3 FROM pm1.g2 AS g_3 WHERE g_3.e1 = g_1.e1))" }, // $NON-NLS-1$
    ComparisonMode.EXACT_COMMAND_STRING);
    checkNodeTypes(plan, FULL_PUSHDOWN);
}

Example 23 with BasicSourceCapabilities

use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.

the class TestOptimizer method testCase2187.

@Test
public void testCase2187() {
    FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
    BasicSourceCapabilities caps = new BasicSourceCapabilities();
    caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
    caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_ORDERED, true);
    caps.setCapabilitySupport(Capability.CRITERIA_IN, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_INNER, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_OUTER, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_OUTER_FULL, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
    caps.setCapabilitySupport(Capability.QUERY_ORDERBY, true);
    // $NON-NLS-1$
    capFinder.addCapabilities("BQT1", caps);
    QueryMetadataInterface metadata = RealMetadataFactory.exampleBQTCached();
    // $NON-NLS-1$
    String sql = "SELECT t.intkey FROM (SELECT a.IntKey FROM bqt1.smalla a left outer join bqt1.smallb b on a.intkey=b.intkey, bqt1.smalla x) as t full outer JOIN bqt1.smallb c on t.intkey = c.intkey";
    ProcessorPlan plan = helpPlan(sql, metadata, null, capFinder, // $NON-NLS-1$
    new String[] { "SELECT a.IntKey FROM ((bqt1.smalla AS a LEFT OUTER JOIN bqt1.smallb AS b ON a.intkey = b.intkey) CROSS JOIN bqt1.smalla AS x) FULL OUTER JOIN bqt1.smallb AS c ON a.IntKey = c.intkey" }, SHOULD_SUCCEED);
    checkNodeTypes(plan, TestOptimizer.FULL_PUSHDOWN);
}

Example 24 with BasicSourceCapabilities

use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.

the class TestOptimizer method testCase3023.

@Test
public void testCase3023() {
    FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
    BasicSourceCapabilities caps = new BasicSourceCapabilities();
    caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
    caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_ORDERED, true);
    caps.setCapabilitySupport(Capability.CRITERIA_IN, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_INNER, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_OUTER, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_OUTER_FULL, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
    caps.setCapabilitySupport(Capability.QUERY_ORDERBY, true);
    // $NON-NLS-1$
    caps.setFunctionSupport("concat", true);
    // $NON-NLS-1$
    capFinder.addCapabilities("BQT1", caps);
    QueryMetadataInterface metadata = RealMetadataFactory.exampleBQTCached();
    String sql = // $NON-NLS-1$
    "SELECT bqt1.SmallA.intkey from (bqt1.SmallA inner join (" + // $NON-NLS-1$
    "SELECT BAD.intkey from bqt1.SmallB as BAD left outer join bqt1.MediumB on BAD.intkey = bqt1.MediumB.intkey) as X on bqt1.SmallA.intkey = X.intkey) inner join bqt1.MediumA on X.intkey = bqt1.MediumA.intkey";
    helpPlan(sql, metadata, null, capFinder, // $NON-NLS-1$
    new String[] { "SELECT bqt1.SmallA.intkey FROM (bqt1.SmallA INNER JOIN (bqt1.SmallB AS BAD LEFT OUTER JOIN bqt1.MediumB ON BAD.intkey = bqt1.MediumB.intkey) ON bqt1.SmallA.intkey = BAD.intkey) INNER JOIN bqt1.MediumA ON BAD.intkey = bqt1.MediumA.intkey" }, SHOULD_SUCCEED);
}

Example 25 with BasicSourceCapabilities

use of org.teiid.query.optimizer.capabilities.BasicSourceCapabilities in project teiid by teiid.

the class TestOptimizer method testCase4312.

@Test
public void testCase4312() {
    FakeCapabilitiesFinder capFinder = new FakeCapabilitiesFinder();
    BasicSourceCapabilities caps = getTypicalCapabilities();
    caps.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION, true);
    // $NON-NLS-1$
    caps.setFunctionSupport("+", true);
    // $NON-NLS-1$
    capFinder.addCapabilities("pm1", caps);
    helpPlan(// $NON-NLS-1$
    "select ? + 1, pm1.g1.e1 AS EXPR_1 FROM pm1.g1", // $NON-NLS-1$
    example1(), // $NON-NLS-1$
    null, // $NON-NLS-1$
    capFinder, new String[] { "SELECT (? + 1) AS expr, pm1.g1.e1 FROM pm1.g1" }, // $NON-NLS-1$
    true);
}