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

Example 46 with TransformationMetadata

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

the class TestSubqueryPushdown method testAggNestedSubquery.

@Test
public void testAggNestedSubquery() throws Exception {
    // $NON-NLS-1$
    String sql = "SELECT g0.a, g0.b, (SELECT max((SELECT g2.a FROM m.z AS g2 WHERE g2.b = g1.a)) FROM m.y AS g1 WHERE g0.a = g1.b) FROM m.x AS g0";
    TransformationMetadata metadata = RealMetadataFactory.fromDDL("create foreign table x (" + " a string, " + " b string, " + " primary key (a)" + ") options (updatable true);" + "create foreign table y (" + " a string, " + " b string, " + " primary key (a)" + ") options (updatable true);" + "create foreign table z (" + " a string, " + " b string, " + " primary key (a)" + ") options (updatable true);", "x", "m");
    ProcessorPlan pp = TestProcessor.helpGetPlan(sql, metadata, TestOptimizer.getGenericFinder());
    HardcodedDataManager dataManager = new HardcodedDataManager();
    dataManager.addData("SELECT g_0.a, g_0.b FROM m.x AS g_0", Arrays.asList("a", "b"), Arrays.asList("a1", "b1"));
    dataManager.addData("SELECT g_0.a FROM m.y AS g_0 WHERE g_0.b = 'a'", Arrays.asList("a"));
    dataManager.addData("SELECT g_0.a FROM m.y AS g_0 WHERE g_0.b = 'a1'", Arrays.asList("b"));
    dataManager.addData("SELECT g_0.a FROM m.z AS g_0 WHERE g_0.b = 'b'", Arrays.asList("b2"));
    dataManager.addData("SELECT g_0.a FROM m.z AS g_0 WHERE g_0.b = 'a'", Arrays.asList("a2"));
    TestProcessor.helpProcess(pp, dataManager, new List[] { Arrays.asList("a", "b", "a2"), Arrays.asList("a1", "b1", "b2") });
}

Example 47 with TransformationMetadata

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

the class TestUnionPlanning method testUnionCosting.

@Test
public void testUnionCosting() throws Exception {
    TransformationMetadata metadata = RealMetadataFactory.example1();
    RealMetadataFactory.setCardinality("pm1.g1", 100, metadata);
    RealMetadataFactory.setCardinality("pm1.g2", 100, metadata);
    RealMetadataFactory.setCardinality("pm1.g3", 100, metadata);
    RealMetadataFactory.setCardinality("pm1.g4", 100, metadata);
    BasicSourceCapabilities bac = new BasicSourceCapabilities();
    bac.setCapabilitySupport(Capability.QUERY_SELECT_EXPRESSION, true);
    bac.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
    ProcessorPlan plan = // $NON-NLS-1$
    TestOptimizer.helpPlan(// $NON-NLS-1$
    "SELECT T.e1 AS e1, T.e2 AS e2, T.e3 AS e3 FROM (SELECT e1, 'a' AS e2, e3 FROM pm1.g1 UNION SELECT e1, 'b' AS e2, e3 FROM pm1.g2 UNION SELECT e1, 'c' AS e2, e3 FROM pm1.g3) AS T, vm1.g1 AS L WHERE (T.e1 = L.e1) AND (T.e3 = TRUE)", // $NON-NLS-1$
    metadata, // $NON-NLS-1$
    null, // $NON-NLS-1$
    new DefaultCapabilitiesFinder(bac), new String[] { "SELECT pm1.g1.e1 FROM pm1.g1", "SELECT pm1.g1.e1, pm1.g1.e3 FROM pm1.g1 WHERE pm1.g1.e3 = TRUE", "SELECT pm1.g3.e1, pm1.g3.e3 FROM pm1.g3 WHERE pm1.g3.e3 = TRUE", "SELECT pm1.g2.e1, pm1.g2.e3 FROM pm1.g2 WHERE pm1.g2.e3 = TRUE" }, ComparisonMode.EXACT_COMMAND_STRING);
    TestOptimizer.checkNodeTypes(plan, new int[] { // Access
    4, // DependentAccess
    0, // DependentSelect
    0, // DependentProject
    0, // DupRemove
    0, // Grouping
    0, // NestedLoopJoinStrategy
    0, // MergeJoinStrategy
    1, // Null
    0, // PlanExecution
    0, // Project
    1, // Select
    0, // Sort
    0, // UnionAll
    2 });
}

Example 48 with TransformationMetadata

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

the class TestUnionPlanning method testImplicitPartionwiseStarJoinMinimalColumns.

@Test
public void testImplicitPartionwiseStarJoinMinimalColumns() throws Exception {
    TransformationMetadata tm = partitionedStartSchema();
    String sql = "select combined_fact.id, combined_dim1.val, combined_dim2.val from combined_fact, combined_dim1, combined_dim2 where combined_fact.dim_id1 = combined_dim1.id and combined_fact.dim_id2 = combined_dim2.id";
    ProcessorPlan plan = // $NON-NLS-1$
    TestOptimizer.helpPlan(// $NON-NLS-1$
    sql, // $NON-NLS-1$
    tm, // $NON-NLS-1$
    null, // $NON-NLS-1$
    TestOptimizer.getGenericFinder(), new String[] { "SELECT g_0.id, g_1.val, g_2.val FROM source2.fact AS g_0, source2.dim1 AS g_1, source2.dim2 AS g_2 WHERE (g_0.dim_id1 = g_1.id) AND (g_0.dim_id2 = g_2.id)", "SELECT g_0.id, g_1.val, g_2.val FROM source1.fact AS g_0, source1.dim1 AS g_1, source1.dim2 AS g_2 WHERE (g_0.dim_id1 = g_1.id) AND (g_0.dim_id2 = g_2.id)" }, ComparisonMode.EXACT_COMMAND_STRING);
    HardcodedDataManager dataManager = new HardcodedDataManager();
    dataManager.addData("SELECT g_0.id, g_1.val, g_2.val FROM source1.fact AS g_0, source1.dim1 AS g_1, source1.dim2 AS g_2 WHERE (g_0.dim_id1 = g_1.id) AND (g_0.dim_id2 = g_2.id)", Arrays.asList(1, "abc", "def"));
    dataManager.addData("SELECT g_0.id, g_1.val, g_2.val FROM source2.fact AS g_0, source2.dim1 AS g_1, source2.dim2 AS g_2 WHERE (g_0.dim_id1 = g_1.id) AND (g_0.dim_id2 = g_2.id)", Arrays.asList(10, "2abc", "2def"));
    TestProcessor.helpProcess(plan, dataManager, new List[] { Arrays.asList(1, "abc", "def"), Arrays.asList(10, "2abc", "2def") });
}

Example 49 with TransformationMetadata

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

the class TestUnionPlanning method testPreserveGroupingOverUnion.

// TODO: enhancement for ordering over a partition
@Test
public void testPreserveGroupingOverUnion() throws TeiidComponentException, TeiidProcessingException {
    String sql = "select y.col2 from ( select x.col2, min(x.col1) as col1 from ( select 1 as col2, col1 from " + "(select 'a' as col1 UNION SELECT '' as col1) v1 union select 1 as col2, col1 from (select 'b' as col1 UNION SELECT '' as col1) v2) x group by x.col2 ) y";
    TransformationMetadata tm = RealMetadataFactory.example1Cached();
    ProcessorPlan plan = // $NON-NLS-1$
    TestOptimizer.helpPlan(// $NON-NLS-1$
    sql, // $NON-NLS-1$
    tm, // $NON-NLS-1$
    null, // $NON-NLS-1$
    new DefaultCapabilitiesFinder(), new String[] {}, ComparisonMode.EXACT_COMMAND_STRING);
    TestProcessor.helpProcess(plan, new HardcodedDataManager(), new List[] { Arrays.asList(1) });
}

Example 50 with TransformationMetadata

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

the class TestUnionPlanning method testUnionPushDownWithViewAliases.

@Test
public void testUnionPushDownWithViewAliases() throws Exception {
    TransformationMetadata tm = RealMetadataFactory.fromDDL("create foreign table smalla (intkey integer); " + " create foreign table smallb (intkey integer);" + " create view v as SELECT 1 as part, IntKey FROM SmallA as t1 UNION ALL " + "  SELECT 2 as part, intkey FROM SmallB as t2", "x", "y");
    BasicSourceCapabilities caps = TestOptimizer.getTypicalCapabilities();
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_INNER, true);
    caps.setCapabilitySupport(Capability.QUERY_FROM_JOIN_SELFJOIN, true);
    ProcessorPlan plan = TestOptimizer.helpPlan("select t2.*,t1.* from v as t1 inner join v as t2 on t1.part = t2.part and t1.intkey = t2.intkey", tm, new String[] { "SELECT g_1.intkey, g_0.intkey FROM y.smalla AS g_0, y.smalla AS g_1 WHERE g_0.intkey = g_1.intkey", "SELECT g_1.intkey, g_0.intkey FROM y.smallb AS g_0, y.smallb AS g_1 WHERE g_0.intkey = g_1.intkey" }, new DefaultCapabilitiesFinder(caps), ComparisonMode.EXACT_COMMAND_STRING);
    TestOptimizer.checkNodeTypes(plan, new int[] { // Access
    2, // DependentAccess
    0, // DependentSelect
    0, // DependentProject
    0, // DupRemove
    0, // Grouping
    0, // NestedLoopJoinStrategy
    0, // MergeJoinStrategy
    0, // Null
    0, // PlanExecution
    0, // Project
    0, // Select
    0, // Sort
    0, // UnionAll
    1 });
}