Examples with CalciteConnection org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.jdbc.CalciteConnection used on opensource projects

Example 66 with CalciteConnection

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.jdbc.CalciteConnection in project calcite by apache.

the class CollectionTypeTest method setupConnectionWithNestedTable.

private Connection setupConnectionWithNestedTable() throws SQLException {
    Connection connection = DriverManager.getConnection("jdbc:calcite:");
    CalciteConnection calciteConnection = connection.unwrap(CalciteConnection.class);
    SchemaPlus rootSchema = calciteConnection.getRootSchema();
    SchemaPlus schema = rootSchema.add("s", new AbstractSchema());
    schema.add("nested", new NestedCollectionTable());
    return connection;
}

Example 67 with CalciteConnection

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.jdbc.CalciteConnection in project calcite by apache.

the class ExceptionMessageTest method setUp.

@Before
public void setUp() throws SQLException {
    Connection connection = DriverManager.getConnection("jdbc:calcite:");
    CalciteConnection calciteConnection = connection.unwrap(CalciteConnection.class);
    SchemaPlus rootSchema = calciteConnection.getRootSchema();
    rootSchema.add("test", new ReflectiveSchema(new TestSchema()));
    calciteConnection.setSchema("test");
    this.conn = calciteConnection;
}

Example 68 with CalciteConnection

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.jdbc.CalciteConnection in project calcite by apache.

the class ScannableTableTest method newSchema.

protected ConnectionPostProcessor newSchema(final String schemaName, final String tableName, final Table table) {
    return new ConnectionPostProcessor() {

        @Override
        public Connection apply(Connection connection) throws SQLException {
            CalciteConnection con = connection.unwrap(CalciteConnection.class);
            SchemaPlus rootSchema = con.getRootSchema();
            SchemaPlus schema = rootSchema.add(schemaName, new AbstractSchema());
            schema.add(tableName, table);
            connection.setSchema(schemaName);
            return connection;
        }
    };
}

Example 69 with CalciteConnection

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.jdbc.CalciteConnection in project calcite by apache.

the class ScannableTableTest method testPrepared2.

/**
 * Test case for
 * <a href="https://issues.apache.org/jira/browse/CALCITE-1031">[CALCITE-1031]
 * In prepared statement, CsvScannableTable.scan is called twice</a>.
 */
@Test
public void testPrepared2() throws SQLException {
    final Properties properties = new Properties();
    properties.setProperty("caseSensitive", "true");
    try (final Connection connection = DriverManager.getConnection("jdbc:calcite:", properties)) {
        final CalciteConnection calciteConnection = connection.unwrap(CalciteConnection.class);
        final AtomicInteger scanCount = new AtomicInteger();
        final AtomicInteger enumerateCount = new AtomicInteger();
        final Schema schema = new AbstractSchema() {

            @Override
            protected Map<String, Table> getTableMap() {
                return ImmutableMap.<String, Table>of("TENS", new SimpleTable() {

                    private Enumerable<Object[]> superScan(DataContext root) {
                        return super.scan(root);
                    }

                    @Override
                    public Enumerable<Object[]> scan(final DataContext root) {
                        scanCount.incrementAndGet();
                        return new AbstractEnumerable<Object[]>() {

                            public Enumerator<Object[]> enumerator() {
                                enumerateCount.incrementAndGet();
                                return superScan(root).enumerator();
                            }
                        };
                    }
                });
            }
        };
        calciteConnection.getRootSchema().add("TEST", schema);
        final String sql = "select * from \"TEST\".\"TENS\" where \"i\" < ?";
        final PreparedStatement statement = calciteConnection.prepareStatement(sql);
        assertThat(scanCount.get(), is(0));
        assertThat(enumerateCount.get(), is(0));
        // First execute
        statement.setInt(1, 20);
        assertThat(scanCount.get(), is(0));
        ResultSet resultSet = statement.executeQuery();
        assertThat(scanCount.get(), is(1));
        assertThat(enumerateCount.get(), is(1));
        assertThat(resultSet, Matchers.returnsUnordered("i=0", "i=10"));
        assertThat(scanCount.get(), is(1));
        assertThat(enumerateCount.get(), is(1));
        // Second execute
        resultSet = statement.executeQuery();
        assertThat(scanCount.get(), is(2));
        assertThat(resultSet, Matchers.returnsUnordered("i=0", "i=10"));
        assertThat(scanCount.get(), is(2));
        // Third execute
        statement.setInt(1, 30);
        resultSet = statement.executeQuery();
        assertThat(scanCount.get(), is(3));
        assertThat(resultSet, Matchers.returnsUnordered("i=0", "i=10", "i=20"));
        assertThat(scanCount.get(), is(3));
    }
}

Example 70 with CalciteConnection

use of org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.jdbc.CalciteConnection in project calcite by apache.

the class TableFunctionTest method testScannableTableFunctionWithNamedParameters.

/**
 * As {@link #testScannableTableFunction()} but with named parameters.
 */
@Test
public void testScannableTableFunctionWithNamedParameters() 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(Smalls.MAZE2_METHOD);
    schema.add("Maze", table);
    final String sql = "select *\n" + "from table(\"s\".\"Maze\"(5, 3, 1))";
    final Statement statement = connection.createStatement();
    ResultSet resultSet = statement.executeQuery(sql);
    final String result = "S=abcde\n" + "S=xyz\n";
    assertThat(CalciteAssert.toString(resultSet), is(result + "S=generate2(w=5, h=3, s=1)\n"));
    final String sql2 = "select *\n" + "from table(\"s\".\"Maze\"(WIDTH => 5, HEIGHT => 3, SEED => 1))";
    resultSet = statement.executeQuery(sql2);
    assertThat(CalciteAssert.toString(resultSet), is(result + "S=generate2(w=5, h=3, s=1)\n"));
    final String sql3 = "select *\n" + "from table(\"s\".\"Maze\"(HEIGHT => 3, WIDTH => 5))";
    resultSet = statement.executeQuery(sql3);
    assertThat(CalciteAssert.toString(resultSet), is(result + "S=generate2(w=5, h=3, s=null)\n"));
    connection.close();
}