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

Example 41 with TransformationMetadata

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

the class TestSubqueryPushdown method testSubqueryProducingBuffer.

@Test
public void testSubqueryProducingBuffer() throws Exception {
    TransformationMetadata tm = RealMetadataFactory.example1Cached();
    String sql = "SELECT e1, (select e2 from pm2.g1 where e1 = pm1.g1.e1 order by e2 limit 1) from pm1.g1 limit 1";
    BasicSourceCapabilities bsc = getTypicalCapabilities();
    bsc.setCapabilitySupport(Capability.QUERY_ORDERBY, false);
    ProcessorPlan plan = // $NON-NLS-1$
    TestOptimizer.helpPlan(// $NON-NLS-1$
    sql, tm, null, new DefaultCapabilitiesFinder(bsc), new String[] { "SELECT g_0.e1 FROM pm1.g1 AS g_0" }, // $NON-NLS-1$
    ComparisonMode.EXACT_COMMAND_STRING);
    HardcodedDataManager hdm = new HardcodedDataManager(tm) {

        @Override
        public TupleSource registerRequest(CommandContext context, Command command, String modelName, RegisterRequestParameter parameterObject) throws TeiidComponentException {
            if (command.toString().equals("SELECT g_0.e2 FROM pm2.g1 AS g_0 WHERE g_0.e1 = 'a'")) {
                return new TupleSource() {

                    @Override
                    public List<?> nextTuple() throws TeiidComponentException, TeiidProcessingException {
                        throw new TeiidProcessingException("something's wrong");
                    }

                    @Override
                    public void closeSource() {
                    }
                };
            }
            return super.registerRequest(context, command, modelName, parameterObject);
        }
    };
    hdm.addData("SELECT g_0.e1 FROM g1 AS g_0", Arrays.asList("a"));
    hdm.setBlockOnce(true);
    CommandContext cc = TestProcessor.createCommandContext();
    cc.setMetadata(tm);
    try {
        TestProcessor.helpProcess(plan, cc, hdm, new List[] { Arrays.asList(2) });
        fail();
    } catch (TeiidProcessingException e) {
        assert (e.getMessage().contains("something's wrong"));
    }
}

Example 42 with TransformationMetadata

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

the class TestSubqueryPushdown method testAggSubqueryAsJoin.

@Test
public void testAggSubqueryAsJoin() throws Exception {
    // $NON-NLS-1$
    String sql = "SELECT INTKEY, LONGNUM FROM BQT1.SMALLA AS A WHERE LONGNUM > (SELECT SUM(LONGNUM) FROM BQT1.SMALLA AS B WHERE A.INTKEY = B.INTKEY) ORDER BY INTKEY";
    TransformationMetadata metadata = RealMetadataFactory.exampleBQT();
    RealMetadataFactory.setCardinality("BQT1.smalla", 1000, metadata);
    HardcodedDataManager dataMgr = new HardcodedDataManager();
    dataMgr.addData("SELECT g_0.LongNum AS c_0, g_0.IntKey AS c_1 FROM BQT1.SmallA AS g_0 ORDER BY c_1", Arrays.asList(1l, 1));
    dataMgr.addData("SELECT SUM(g_0.LongNum) AS c_0, g_0.IntKey AS c_1 FROM BQT1.SmallA AS g_0 GROUP BY g_0.IntKey ORDER BY c_1", Arrays.asList(1l, 1));
    BasicSourceCapabilities bsc = TestOptimizer.getTypicalCapabilities();
    bsc.setCapabilitySupport(Capability.QUERY_ORDERBY, true);
    bsc.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
    bsc.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
    ProcessorPlan pp = TestProcessor.helpGetPlan(sql, metadata, new DefaultCapabilitiesFinder(bsc));
    TestProcessor.helpProcess(pp, dataMgr, new List[] {});
}

Example 43 with TransformationMetadata

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

the class TestSubqueryPushdown method testPreEvaluationInAggregate1.

@Test
public void testPreEvaluationInAggregate1() throws Exception {
    TransformationMetadata tm = RealMetadataFactory.fromDDL("x", new DDLHolder("my", "CREATE foreign TABLE test_b (b integer, c integer)"), new DDLHolder("pg", "CREATE foreign TABLE test_a (a integer, b integer); CREATE foreign TABLE test_only_pg (a integer, b integer);"));
    String sql = "SELECT SUM(x.b - (SELECT a FROM pg.test_only_pg WHERE b = 1)) FROM my.test_b x";
    BasicSourceCapabilities bsc = getTypicalCapabilities();
    bsc.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR, true);
    bsc.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR_PROJECTION, true);
    bsc.setCapabilitySupport(Capability.QUERY_GROUP_BY, true);
    bsc.setCapabilitySupport(Capability.QUERY_AGGREGATES_SUM, true);
    bsc.setFunctionSupport("-", true);
    ProcessorPlan plan = // $NON-NLS-1$
    TestOptimizer.helpPlan(// $NON-NLS-1$
    sql, tm, null, new DefaultCapabilitiesFinder(bsc), new String[] { "SELECT SUM((g_0.b - (SELECT a FROM pg.test_only_pg WHERE b = 1 LIMIT 2))) FROM my.test_b AS g_0" }, // $NON-NLS-1$
    ComparisonMode.EXACT_COMMAND_STRING);
    HardcodedDataManager hdm = new HardcodedDataManager(tm);
    hdm.addData("SELECT g_0.a FROM test_only_pg AS g_0 WHERE g_0.b = 1", Arrays.asList(2));
    hdm.addData("SELECT SUM((g_0.b - 2)) FROM test_b AS g_0", Arrays.asList(Long.valueOf(3)));
    CommandContext cc = TestProcessor.createCommandContext();
    cc.setMetadata(tm);
    TestProcessor.helpProcess(plan, cc, hdm, new List[] { Arrays.asList(Long.valueOf(3)) });
}

Example 44 with TransformationMetadata

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

the class TestAggregatePushdown method testHavingWithSubqueryPlacement.

@Test
public void testHavingWithSubqueryPlacement() throws Exception {
    TransformationMetadata metadata = RealMetadataFactory.exampleBQTCached();
    String sql = "SELECT INTKEY, STRINGKEY \n" + "  FROM BQT1.SMALLA AS A \n" + "  WHERE NOT (INTKEY IN (10)) \n" + "  GROUP BY INTKEY, STRINGKEY \n" + "  HAVING INTKEY = (SELECT MIN(STRINGKEY) FROM BQT1.SMALLA AS B WHERE A.INTKEY = B.INTKEY)";
    BasicSourceCapabilities aggregateCapabilities = getAggregateCapabilities();
    aggregateCapabilities.setCapabilitySupport(Capability.QUERY_SUBQUERIES_SCALAR, true);
    aggregateCapabilities.setCapabilitySupport(Capability.QUERY_SUBQUERIES_CORRELATED, true);
    aggregateCapabilities.setFunctionSupport(SourceSystemFunctions.CONVERT, true);
    TestOptimizer.helpPlan(sql, metadata, null, new DefaultCapabilitiesFinder(aggregateCapabilities), new String[] { "SELECT g_0.IntKey, g_0.StringKey FROM BQT1.SmallA AS g_0 WHERE (g_0.IntKey <> 10) AND (convert(g_0.IntKey, string) = (SELECT MIN(g_1.StringKey) FROM BQT1.SmallA AS g_1 WHERE g_1.IntKey = g_0.IntKey)) GROUP BY g_0.IntKey, g_0.StringKey" }, ComparisonMode.EXACT_COMMAND_STRING);
}

Example 45 with TransformationMetadata

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

the class TestSubqueryPushdown method testNestedCorrelation.

@Test
public void testNestedCorrelation() throws Exception {
    TransformationMetadata tm = RealMetadataFactory.fromDDL("CREATE foreign TABLE a (c1 integer, c2 integer); " + "CREATE foreign TABLE b (c3 integer, c4 integer); CREATE foreign TABLE c (c5 integer, c6 integer);", "x", "y");
    String sql = "SELECT (select c2 from b where c3 = (select c5 from c where c6 = c1)) FROM a group by c1, c2";
    BasicSourceCapabilities bsc = getTypicalCapabilities();
    /*ProcessorPlan plan = TestOptimizer.helpPlan(sql, //$NON-NLS-1$
                                      tm, null, new DefaultCapabilitiesFinder(bsc),
                                      new String[] {
                                          "SELECT g_0.c1, g_0.c2 FROM y.a AS g_0"}, ComparisonMode.EXACT_COMMAND_STRING); //$NON-NLS-1$
        */
    HardcodedDataManager hdm = new HardcodedDataManager(tm);
    hdm.addData("SELECT g_0.c1, g_0.c2 FROM a AS g_0", Arrays.asList(1, 2));
    hdm.addData("SELECT g_0.c5 FROM c AS g_0 WHERE g_0.c6 = 1", Arrays.asList(1));
    hdm.addData("SELECT 2 FROM b AS g_0 WHERE g_0.c3 = 1", Arrays.asList(2));
    CommandContext cc = TestProcessor.createCommandContext();
    cc.setMetadata(tm);
    // TestProcessor.helpProcess(plan, cc, hdm, new List[] {Arrays.asList(2)} );
    // with conflicting aliases it should still work
    sql = "SELECT (select c2 from b where c3 = (select c5 from c as x where c6 = c1)) FROM a as x group by c1, c2";
    /*    plan = TestOptimizer.helpPlan(sql, //$NON-NLS-1$
                                      tm, null, new DefaultCapabilitiesFinder(bsc),
                                      new String[] {
                                          "SELECT g_0.c1, g_0.c2 FROM y.a AS g_0"}, ComparisonMode.EXACT_COMMAND_STRING); //$NON-NLS-1$
        
        TestProcessor.helpProcess(plan, cc, hdm, new List[] {Arrays.asList(2)} );
        */
    // with conflicting aliases it should still work
    sql = "SELECT (select c2 from b as x where c3 = (select c5 from c as x where c6 = c1)) FROM a as x group by c1, c2";
    ProcessorPlan plan = // $NON-NLS-1$
    TestOptimizer.helpPlan(// $NON-NLS-1$
    sql, tm, null, new DefaultCapabilitiesFinder(bsc), new String[] { "SELECT g_0.c1, g_0.c2 FROM y.a AS g_0" }, // $NON-NLS-1$
    ComparisonMode.EXACT_COMMAND_STRING);
    TestProcessor.helpProcess(plan, cc, hdm, new List[] { Arrays.asList(2) });
}