Examples with VARCHAR io.trino.spi.type.VarcharType.VARCHAR used on opensource projects

Example 6 with VARCHAR

use of io.trino.spi.type.VarcharType.VARCHAR in project trino by trinodb.

the class TestPushTopNIntoTableScan method testPushPartialTopNIntoTableScan.

@Test
public void testPushPartialTopNIntoTableScan() {
    try (RuleTester ruleTester = defaultRuleTester()) {
        MockConnectorTableHandle connectorHandle = new MockConnectorTableHandle(TEST_SCHEMA_TABLE);
        // make the mock connector return a new connectorHandle
        MockConnectorFactory.ApplyTopN applyTopN = (session, handle, topNCount, sortItems, tableAssignments) -> Optional.of(new TopNApplicationResult<>(connectorHandle, true, false));
        MockConnectorFactory mockFactory = createMockFactory(assignments, Optional.of(applyTopN));
        ruleTester.getQueryRunner().createCatalog(MOCK_CATALOG, mockFactory, ImmutableMap.of());
        ruleTester.assertThat(new PushTopNIntoTableScan(ruleTester.getMetadata())).on(p -> {
            Symbol dimension = p.symbol(dimensionName, VARCHAR);
            Symbol metric = p.symbol(metricName, BIGINT);
            return p.topN(1, ImmutableList.of(dimension), TopNNode.Step.PARTIAL, p.tableScan(TEST_TABLE_HANDLE, ImmutableList.of(dimension, metric), ImmutableMap.of(dimension, dimensionColumn, metric, metricColumn)));
        }).withSession(MOCK_SESSION).matches(tableScan(connectorHandle::equals, TupleDomain.all(), new HashMap<>()));
    }
}

Example 7 with VARCHAR

use of io.trino.spi.type.VarcharType.VARCHAR in project trino by trinodb.

the class TestPushTopNIntoTableScan method testPushSingleTopNIntoTableScanNotGuaranteed.

@Test
public void testPushSingleTopNIntoTableScanNotGuaranteed() {
    try (RuleTester ruleTester = defaultRuleTester()) {
        MockConnectorTableHandle connectorHandle = new MockConnectorTableHandle(TEST_SCHEMA_TABLE);
        // make the mock connector return a new connectorHandle
        MockConnectorFactory.ApplyTopN applyTopN = (session, handle, topNCount, sortItems, tableAssignments) -> Optional.of(new TopNApplicationResult<>(connectorHandle, false, false));
        MockConnectorFactory mockFactory = createMockFactory(assignments, Optional.of(applyTopN));
        ruleTester.getQueryRunner().createCatalog(MOCK_CATALOG, mockFactory, ImmutableMap.of());
        ruleTester.assertThat(new PushTopNIntoTableScan(ruleTester.getMetadata())).on(p -> {
            Symbol dimension = p.symbol(dimensionName, VARCHAR);
            Symbol metric = p.symbol(metricName, BIGINT);
            return p.topN(1, ImmutableList.of(dimension), p.tableScan(TEST_TABLE_HANDLE, ImmutableList.of(dimension, metric), ImmutableMap.of(dimension, dimensionColumn, metric, metricColumn)));
        }).withSession(MOCK_SESSION).matches(topN(1, ImmutableList.of(sort(dimensionName, ASCENDING, FIRST)), TopNNode.Step.SINGLE, tableScan(connectorHandle::equals, TupleDomain.all(), ImmutableMap.of(dimensionName, dimensionColumn::equals, metricName, metricColumn::equals))));
    }
}

Example 8 with VARCHAR

use of io.trino.spi.type.VarcharType.VARCHAR in project trino by trinodb.

the class TestPushTopNIntoTableScan method testPushFinalTopNIntoTableScan.

/**
 * Ensure FINAL TopN can be pushed into table scan.
 * <p>
 * In case of TopN over outer join, TopN may become eligible for push down
 * only after PARTIAL TopN was pushed down and only then the join was
 * pushed down as well -- the connector may decide to accept Join pushdown
 * only after it learns there is TopN in play which limits results size.
 * <p>
 * Thus the optimization sequence can be:
 * <ol>
 * <li>Try to push Join into Table Scan -- connector rejects that (e.g. too big data set size)
 * <li>Create FINAL/PARTIAL TopN
 * <li>Push PARTIAL TopN through Outer Join
 * <li>Push PARTIAL TopN into Table Scan -- connector accepts that.
 * <li>Push Join into Table Scan -- connector now accepts join pushdown.
 * <li>Push FINAL TopN into Table Scan
 * </ol>
 */
@Test
public void testPushFinalTopNIntoTableScan() {
    try (RuleTester ruleTester = defaultRuleTester()) {
        MockConnectorTableHandle connectorHandle = new MockConnectorTableHandle(TEST_SCHEMA_TABLE);
        // make the mock connector return a new connectorHandle
        MockConnectorFactory.ApplyTopN applyTopN = (session, handle, topNCount, sortItems, tableAssignments) -> Optional.of(new TopNApplicationResult<>(connectorHandle, true, false));
        MockConnectorFactory mockFactory = createMockFactory(assignments, Optional.of(applyTopN));
        ruleTester.getQueryRunner().createCatalog(MOCK_CATALOG, mockFactory, ImmutableMap.of());
        ruleTester.assertThat(new PushTopNIntoTableScan(ruleTester.getMetadata())).on(p -> {
            Symbol dimension = p.symbol(dimensionName, VARCHAR);
            Symbol metric = p.symbol(metricName, BIGINT);
            return p.topN(1, ImmutableList.of(dimension), TopNNode.Step.FINAL, p.tableScan(TEST_TABLE_HANDLE, ImmutableList.of(dimension, metric), ImmutableMap.of(dimension, dimensionColumn, metric, metricColumn)));
        }).withSession(MOCK_SESSION).matches(tableScan(connectorHandle::equals, TupleDomain.all(), new HashMap<>()));
    }
}

Example 9 with VARCHAR

use of io.trino.spi.type.VarcharType.VARCHAR in project trino by trinodb.

the class FormatFunction method valueConverter.

private static BiFunction<ConnectorSession, Block, Object> valueConverter(FunctionDependencies functionDependencies, Type type, int position) {
    if (type.equals(UNKNOWN)) {
        return (session, block) -> null;
    }
    if (type.equals(BOOLEAN)) {
        return (session, block) -> type.getBoolean(block, position);
    }
    if (type.equals(TINYINT) || type.equals(SMALLINT) || type.equals(INTEGER) || type.equals(BIGINT)) {
        return (session, block) -> type.getLong(block, position);
    }
    if (type.equals(REAL)) {
        return (session, block) -> intBitsToFloat(toIntExact(type.getLong(block, position)));
    }
    if (type.equals(DOUBLE)) {
        return (session, block) -> type.getDouble(block, position);
    }
    if (type.equals(DATE)) {
        return (session, block) -> LocalDate.ofEpochDay(type.getLong(block, position));
    }
    if (type instanceof TimestampWithTimeZoneType) {
        return (session, block) -> toZonedDateTime(((TimestampWithTimeZoneType) type), block, position);
    }
    if (type instanceof TimestampType) {
        return (session, block) -> toLocalDateTime(((TimestampType) type), block, position);
    }
    if (type instanceof TimeType) {
        return (session, block) -> toLocalTime(type.getLong(block, position));
    }
    // TODO: support TIME WITH TIME ZONE by https://github.com/trinodb/trino/issues/191 + mapping to java.time.OffsetTime
    if (type.equals(JSON)) {
        MethodHandle handle = functionDependencies.getFunctionInvoker(QualifiedName.of("json_format"), ImmutableList.of(JSON), simpleConvention(FAIL_ON_NULL, NEVER_NULL)).getMethodHandle();
        return (session, block) -> convertToString(handle, type.getSlice(block, position));
    }
    if (isShortDecimal(type)) {
        int scale = ((DecimalType) type).getScale();
        return (session, block) -> BigDecimal.valueOf(type.getLong(block, position), scale);
    }
    if (isLongDecimal(type)) {
        int scale = ((DecimalType) type).getScale();
        return (session, block) -> new BigDecimal(((Int128) type.getObject(block, position)).toBigInteger(), scale);
    }
    if (type instanceof VarcharType) {
        return (session, block) -> type.getSlice(block, position).toStringUtf8();
    }
    if (type instanceof CharType) {
        CharType charType = (CharType) type;
        return (session, block) -> padSpaces(type.getSlice(block, position), charType).toStringUtf8();
    }
    BiFunction<ConnectorSession, Block, Object> function;
    if (type.getJavaType() == long.class) {
        function = (session, block) -> type.getLong(block, position);
    } else if (type.getJavaType() == double.class) {
        function = (session, block) -> type.getDouble(block, position);
    } else if (type.getJavaType() == boolean.class) {
        function = (session, block) -> type.getBoolean(block, position);
    } else if (type.getJavaType() == Slice.class) {
        function = (session, block) -> type.getSlice(block, position);
    } else {
        function = (session, block) -> type.getObject(block, position);
    }
    MethodHandle handle = functionDependencies.getCastInvoker(type, VARCHAR, simpleConvention(FAIL_ON_NULL, NEVER_NULL)).getMethodHandle();
    return (session, block) -> convertToString(handle, function.apply(session, block));
}

Example 10 with VARCHAR

use of io.trino.spi.type.VarcharType.VARCHAR in project trino by trinodb.

the class TestCreateTableTask method testCreateWithNotNullColumns.

@Test
public void testCreateWithNotNullColumns() {
    metadata.setConnectorCapabilities(NOT_NULL_COLUMN_CONSTRAINT);
    List<TableElement> inputColumns = ImmutableList.of(new ColumnDefinition(identifier("a"), toSqlType(DATE), true, emptyList(), Optional.empty()), new ColumnDefinition(identifier("b"), toSqlType(VARCHAR), false, emptyList(), Optional.empty()), new ColumnDefinition(identifier("c"), toSqlType(VARBINARY), false, emptyList(), Optional.empty()));
    CreateTable statement = new CreateTable(QualifiedName.of("test_table"), inputColumns, true, ImmutableList.of(), Optional.empty());
    CreateTableTask createTableTask = new CreateTableTask(plannerContext, new AllowAllAccessControl(), columnPropertyManager, tablePropertyManager);
    getFutureValue(createTableTask.internalExecute(statement, testSession, emptyList(), output -> {
    }));
    assertEquals(metadata.getCreateTableCallCount(), 1);
    List<ColumnMetadata> columns = metadata.getReceivedTableMetadata().get(0).getColumns();
    assertEquals(columns.size(), 3);
    assertEquals(columns.get(0).getName(), "a");
    assertEquals(columns.get(0).getType().getDisplayName().toUpperCase(ENGLISH), "DATE");
    assertTrue(columns.get(0).isNullable());
    assertEquals(columns.get(1).getName(), "b");
    assertEquals(columns.get(1).getType().getDisplayName().toUpperCase(ENGLISH), "VARCHAR");
    assertFalse(columns.get(1).isNullable());
    assertEquals(columns.get(2).getName(), "c");
    assertEquals(columns.get(2).getType().getDisplayName().toUpperCase(ENGLISH), "VARBINARY");
    assertFalse(columns.get(2).isNullable());
}