Examples with DataSource com.hortonworks.streamline.streams.sql.runtime.DataSource used on opensource projects

Example 1 with DataSource

use of com.hortonworks.streamline.streams.sql.runtime.DataSource in project streamline by hortonworks.

the class TestPlanCompiler method testNested.

@Test
public void testNested() throws Exception {
    String sql = "SELECT ID, MAPFIELD['c'], NESTEDMAPFIELD, ARRAYFIELD " + "FROM FOO " + "WHERE NESTEDMAPFIELD['a']['b'] = 2 AND ARRAYFIELD[2] = 200";
    TestCompilerUtils.CalciteState state = TestCompilerUtils.sqlOverNestedTable(sql);
    PlanCompiler compiler = new PlanCompiler(typeFactory);
    AbstractValuesProcessor proc = compiler.compile(state.tree());
    Map<String, DataSource> data = new HashMap<>();
    data.put("FOO", new TestUtils.MockNestedDataSource());
    List<CorrelatedValues> values = new ArrayList<>();
    ChannelHandler h = new TestUtils.CollectDataChannelHandler(values);
    proc.initialize(data, h);
    Map<String, Integer> map = ImmutableMap.of("b", 2, "c", 4);
    Map<String, Map<String, Integer>> nestedMap = ImmutableMap.of("a", map);
    Assert.assertEquals(1, values.size());
    Assert.assertEquals(4, values.get(0).size());
    Assert.assertEquals(2, values.get(0).get(0));
    Assert.assertEquals(4, values.get(0).get(1));
    Assert.assertEquals(nestedMap, values.get(0).get(2));
    Assert.assertEquals(Arrays.asList(100, 200, 300), values.get(0).get(3));
}

Example 2 with DataSource

use of com.hortonworks.streamline.streams.sql.runtime.DataSource in project streamline by hortonworks.

the class StreamlineSqlImpl method handleCreateTable.

private void handleCreateTable(SqlCreateTable n, Map<String, DataSource> dataSources) {
    List<FieldInfo> fields = updateSchema(n);
    DataSource ds = DataSourcesRegistry.construct(n.location(), n.inputFormatClass(), n.outputFormatClass(), fields);
    if (ds == null) {
        throw new RuntimeException("Cannot construct data source for " + n.tableName());
    } else if (dataSources.containsKey(n.tableName())) {
        throw new RuntimeException("Duplicated definition for table " + n.tableName());
    }
    dataSources.put(n.tableName(), ds);
}

Example 3 with DataSource

use of com.hortonworks.streamline.streams.sql.runtime.DataSource in project streamline by hortonworks.

the class TestPlanCompiler method testUdf.

@Test
public void testUdf() throws Exception {
    String sql = "SELECT MYPLUS(ID, 3)" + "FROM FOO " + "WHERE ID = 2";
    TestCompilerUtils.CalciteState state = TestCompilerUtils.sqlOverNestedTable(sql);
    PlanCompiler compiler = new PlanCompiler(typeFactory);
    AbstractValuesProcessor proc = compiler.compile(state.tree());
    Map<String, DataSource> data = new HashMap<>();
    data.put("FOO", new TestUtils.MockDataSource());
    List<CorrelatedValues> values = new ArrayList<>();
    ChannelHandler h = new TestUtils.CollectDataChannelHandler(values);
    proc.initialize(data, h);
    Assert.assertEquals(1, values.size());
    Assert.assertEquals(1, values.get(0).size());
    Assert.assertEquals(5, values.get(0).get(0));
}

Example 4 with DataSource

use of com.hortonworks.streamline.streams.sql.runtime.DataSource in project streamline by hortonworks.

the class TestPlanCompiler method testCompile.

@Test
public void testCompile() throws Exception {
    String sql = "SELECT ID + 1 FROM FOO WHERE ID > 2";
    TestCompilerUtils.CalciteState state = TestCompilerUtils.sqlOverDummyTable(sql);
    PlanCompiler compiler = new PlanCompiler(typeFactory);
    AbstractValuesProcessor proc = compiler.compile(state.tree());
    Map<String, DataSource> data = new HashMap<>();
    data.put("FOO", new TestUtils.MockDataSource());
    List<CorrelatedValues> values = new ArrayList<>();
    ChannelHandler h = new TestUtils.CollectDataChannelHandler(values);
    proc.initialize(data, h);
    Assert.assertEquals(2, values.size());
    Assert.assertEquals(1, values.get(0).size());
    Assert.assertEquals(4, values.get(0).get(0));
    Assert.assertEquals(1, values.get(1).size());
    Assert.assertEquals(5, values.get(1).get(0));
}

Example 5 with DataSource

use of com.hortonworks.streamline.streams.sql.runtime.DataSource in project streamline by hortonworks.

the class TestPlanCompiler method testLogicalExpr.

@Test
public void testLogicalExpr() throws Exception {
    String sql = "SELECT ID > 0 OR ID < 1, ID > 0 AND ID < 1, NOT (ID > 0 AND ID < 1) FROM FOO WHERE ID > 0 AND ID < 2";
    TestCompilerUtils.CalciteState state = TestCompilerUtils.sqlOverDummyTable(sql);
    PlanCompiler compiler = new PlanCompiler(typeFactory);
    AbstractValuesProcessor proc = compiler.compile(state.tree());
    Map<String, DataSource> data = new HashMap<>();
    data.put("FOO", new TestUtils.MockDataSource());
    List<CorrelatedValues> values = new ArrayList<>();
    ChannelHandler h = new TestUtils.CollectDataChannelHandler(values);
    proc.initialize(data, h);
    Assert.assertEquals(1, values.size());
    Assert.assertEquals(3, values.get(0).size());
    Assert.assertEquals(true, values.get(0).get(0));
    Assert.assertEquals(false, values.get(0).get(1));
    Assert.assertEquals(true, values.get(0).get(2));
}