Examples with AbstractSchema org.apache.calcite.schema.impl.AbstractSchema used on opensource projects

Example 16 with AbstractSchema

use of org.apache.calcite.schema.impl.AbstractSchema in project calcite by apache.

the class FrameworksTest method testUpdate.

/**
 * Test case for
 * <a href="https://issues.apache.org/jira/browse/CALCITE-2039">[CALCITE-2039]
 * AssertionError when pushing project to ProjectableFilterableTable</a>
 * using UPDATE via {@link Frameworks}.
 */
@Test
public void testUpdate() throws Exception {
    Table table = new TableImpl();
    final SchemaPlus rootSchema = Frameworks.createRootSchema(true);
    SchemaPlus schema = rootSchema.add("x", new AbstractSchema());
    schema.add("MYTABLE", table);
    List<RelTraitDef> traitDefs = new ArrayList<>();
    traitDefs.add(ConventionTraitDef.INSTANCE);
    traitDefs.add(RelDistributionTraitDef.INSTANCE);
    SqlParser.Config parserConfig = SqlParser.configBuilder(SqlParser.Config.DEFAULT).setCaseSensitive(false).build();
    final FrameworkConfig config = Frameworks.newConfigBuilder().parserConfig(parserConfig).defaultSchema(schema).traitDefs(traitDefs).ruleSets(RuleSets.ofList(AbstractConverter.ExpandConversionRule.INSTANCE)).programs(Programs.ofRules(Programs.RULE_SET)).build();
    executeQuery(config, " UPDATE MYTABLE set id=7 where id=1", CalcitePrepareImpl.DEBUG);
}

Example 17 with AbstractSchema

use of org.apache.calcite.schema.impl.AbstractSchema in project calcite by apache.

the class LookupOperatorOverloadsTest method test.

@Test
public void test() throws SQLException {
    final String schemaName = "MySchema";
    final String funcName = "MyFUNC";
    final String anotherName = "AnotherFunc";
    try (Connection connection = DriverManager.getConnection("jdbc:calcite:")) {
        CalciteConnection calciteConnection = connection.unwrap(CalciteConnection.class);
        SchemaPlus rootSchema = calciteConnection.getRootSchema();
        SchemaPlus schema = rootSchema.add(schemaName, new AbstractSchema());
        final TableFunction table = TableFunctionImpl.create(Smalls.MAZE_METHOD);
        schema.add(funcName, table);
        schema.add(anotherName, table);
        final TableFunction table2 = TableFunctionImpl.create(Smalls.MAZE3_METHOD);
        schema.add(funcName, table2);
        final CalciteServerStatement statement = connection.createStatement().unwrap(CalciteServerStatement.class);
        final CalcitePrepare.Context prepareContext = statement.createPrepareContext();
        final JavaTypeFactory typeFactory = prepareContext.getTypeFactory();
        CalciteCatalogReader reader = new CalciteCatalogReader(prepareContext.getRootSchema(), ImmutableList.<String>of(), typeFactory, prepareContext.config());
        final List<SqlOperator> operatorList = new ArrayList<>();
        SqlIdentifier myFuncIdentifier = new SqlIdentifier(Lists.newArrayList(schemaName, funcName), null, SqlParserPos.ZERO, null);
        reader.lookupOperatorOverloads(myFuncIdentifier, SqlFunctionCategory.USER_DEFINED_TABLE_FUNCTION, SqlSyntax.FUNCTION, operatorList);
        checkFunctionType(2, funcName, operatorList);
        operatorList.clear();
        reader.lookupOperatorOverloads(myFuncIdentifier, SqlFunctionCategory.USER_DEFINED_FUNCTION, SqlSyntax.FUNCTION, operatorList);
        checkFunctionType(0, null, operatorList);
        operatorList.clear();
        SqlIdentifier anotherFuncIdentifier = new SqlIdentifier(Lists.newArrayList(schemaName, anotherName), null, SqlParserPos.ZERO, null);
        reader.lookupOperatorOverloads(anotherFuncIdentifier, SqlFunctionCategory.USER_DEFINED_TABLE_FUNCTION, SqlSyntax.FUNCTION, operatorList);
        checkFunctionType(1, anotherName, operatorList);
    }
}

Example 18 with AbstractSchema

use of org.apache.calcite.schema.impl.AbstractSchema in project calcite by apache.

the class DruidAdapterIT method testTableMapReused.

/**
 * Test to make sure that the mapping from a Table name to a Table returned from
 * {@link org.apache.calcite.adapter.druid.DruidSchema} is always the same Java object.
 */
@Test
public void testTableMapReused() {
    AbstractSchema schema = new DruidSchema("http://localhost:8082", "http://localhost:8081", true);
    assertSame(schema.getTable("wikiticker"), schema.getTable("wikiticker"));
}

Example 19 with AbstractSchema

use of org.apache.calcite.schema.impl.AbstractSchema in project calcite by apache.

the class ExampleFunctionTest method checkMazeTableFunction.

public void checkMazeTableFunction(Boolean solution, String maze) throws SQLException, ClassNotFoundException {
    Connection connection = DriverManager.getConnection("jdbc:calcite:");
    CalciteConnection calciteConnection = connection.unwrap(CalciteConnection.class);
    SchemaPlus rootSchema = calciteConnection.getRootSchema();
    SchemaPlus schema = rootSchema.add("s", new AbstractSchema());
    final TableFunction table = TableFunctionImpl.create(MAZE_METHOD);
    schema.add("Maze", table);
    final TableFunction table2 = TableFunctionImpl.create(SOLVE_METHOD);
    schema.add("Solve", table2);
    final String sql;
    if (solution) {
        sql = "select *\n" + "from table(\"s\".\"Solve\"(5, 3, 1)) as t(s)";
    } else {
        sql = "select *\n" + "from table(\"s\".\"Maze\"(5, 3, 1)) as t(s)";
    }
    ResultSet resultSet = connection.createStatement().executeQuery(sql);
    final StringBuilder b = new StringBuilder();
    while (resultSet.next()) {
        b.append(resultSet.getString(1)).append("\n");
    }
    assertThat(b.toString(), is(maze));
}

Example 20 with AbstractSchema

use of org.apache.calcite.schema.impl.AbstractSchema in project samza by apache.

the class QueryPlanner method registerSourceSchemas.

private void registerSourceSchemas(SchemaPlus rootSchema) {
    RelSchemaConverter relSchemaConverter = new RelSchemaConverter();
    for (SqlIOConfig ssc : systemStreamConfigBySource.values()) {
        SchemaPlus previousLevelSchema = rootSchema;
        List<String> sourceParts = ssc.getSourceParts();
        RelSchemaProvider relSchemaProvider = relSchemaProviders.get(ssc.getSource());
        for (int sourcePartIndex = 0; sourcePartIndex < sourceParts.size(); sourcePartIndex++) {
            String sourcePart = sourceParts.get(sourcePartIndex);
            if (sourcePartIndex < sourceParts.size() - 1) {
                SchemaPlus sourcePartSchema = previousLevelSchema.getSubSchema(sourcePart);
                if (sourcePartSchema == null) {
                    sourcePartSchema = previousLevelSchema.add(sourcePart, new AbstractSchema());
                }
                previousLevelSchema = sourcePartSchema;
            } else {
                // If the source part is the last one, then fetch the schema corresponding to the stream and register.
                RelDataType relationalSchema = getSourceRelSchema(relSchemaProvider, relSchemaConverter);
                previousLevelSchema.add(sourcePart, createTableFromRelSchema(relationalSchema));
                break;
            }
        }
    }
}