Package com.facebook.presto.spi

Examples of com.facebook.presto.spi.ColumnMetadata

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    private void doCreateSampledTable()
            throws InterruptedException
    {
        // begin creating the table
        List<ColumnMetadata> columns = ImmutableList.<ColumnMetadata>builder()
                .add(new ColumnMetadata("sales", BIGINT, 1, false))
                .build();

        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(temporaryCreateSampledTable, columns, tableOwner, true);
        ConnectorOutputTableHandle outputHandle = metadata.beginCreateTable(SESSION, tableMetadata);
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    private void doCreateTable()
            throws InterruptedException
    {
        // begin creating the table
        List<ColumnMetadata> columns = ImmutableList.<ColumnMetadata>builder()
                .add(new ColumnMetadata("id", BIGINT, 1, false))
                .add(new ColumnMetadata("t_string", VARCHAR, 2, false))
                .add(new ColumnMetadata("t_bigint", BIGINT, 3, false))
                .add(new ColumnMetadata("t_double", DOUBLE, 4, false))
                .add(new ColumnMetadata("t_boolean", BOOLEAN, 5, false))
                .build();

        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(temporaryCreateTable, columns, tableOwner);
        ConnectorOutputTableHandle outputHandle = metadata.beginCreateTable(SESSION, tableMetadata);
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    }

    private static void assertReadFields(RecordCursor cursor, List<ColumnMetadata> schema)
    {
        for (int columnIndex = 0; columnIndex < schema.size(); columnIndex++) {
            ColumnMetadata column = schema.get(columnIndex);
            if (!cursor.isNull(columnIndex)) {
                if (BOOLEAN.equals(column.getType())) {
                    cursor.getBoolean(columnIndex);
                }
                else if (BIGINT.equals(column.getType())) {
                    cursor.getLong(columnIndex);
                }
                else if (DOUBLE.equals(column.getType())) {
                    cursor.getDouble(columnIndex);
                }
                else if (VARCHAR.equals(column.getType()) || VARBINARY.equals(column.getType())) {
                    try {
                        cursor.getSlice(columnIndex);
                    }
                    catch (RuntimeException e) {
                        throw new RuntimeException("column " + column, e);
                    }
                }
                else if (TIMESTAMP.equals(column.getType())) {
                    cursor.getLong(columnIndex);
                }
                else {
                    fail("Unknown primitive type " + columnIndex);
                }
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    private void doCreateTable(SchemaTableName tableName, String tableOwner)
            throws InterruptedException
    {
        // begin creating the table
        List<ColumnMetadata> columns = ImmutableList.<ColumnMetadata>builder()
                .add(new ColumnMetadata("id", BIGINT, 1, false))
                .build();

        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(tableName, columns, tableOwner);
        HiveOutputTableHandle outputHandle = client.beginCreateTable(SESSION, tableMetadata);
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    }

    private static void assertReadFields(RecordCursor cursor, List<ColumnMetadata> schema)
    {
        for (int columnIndex = 0; columnIndex < schema.size(); columnIndex++) {
            ColumnMetadata column = schema.get(columnIndex);
            if (!cursor.isNull(columnIndex)) {
                Type type = column.getType();
                if (BOOLEAN.equals(type)) {
                    cursor.getBoolean(columnIndex);
                }
                else if (BIGINT.equals(type)) {
                    cursor.getLong(columnIndex);
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        ConnectorColumnHandle columnHandle = metadata.getColumnHandles(tableHandle).get("orderkey");
        assertInstanceOf(columnHandle, RaptorColumnHandle.class);
        assertEquals(((RaptorColumnHandle) columnHandle).getColumnId(), 1);

        ColumnMetadata columnMetadata = metadata.getColumnMetadata(tableHandle, columnHandle);
        assertNotNull(columnMetadata);
        assertEquals(columnMetadata.getName(), "orderkey");
        assertEquals(columnMetadata.getType(), BIGINT);
        assertEquals(columnMetadata.getOrdinalPosition(), 0);
    }
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        List<ColumnMetadata> actualColumns = actual.getColumns();
        List<ColumnMetadata> expectedColumns = expected.getColumns();
        assertEquals(actualColumns.size(), expectedColumns.size());
        for (int i = 0; i < actualColumns.size(); i++) {
            ColumnMetadata actualColumn = actualColumns.get(i);
            ColumnMetadata expectedColumn = expectedColumns.get(i);
            assertEquals(actualColumn.getName(), expectedColumn.getName());
            assertEquals(actualColumn.getType(), expectedColumn.getType());
        }
    }
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    private void doCreateTable()
    {
        // begin creating the table
        List<ColumnMetadata> columns = ImmutableList.<ColumnMetadata>builder()
                .add(new ColumnMetadata("id", ColumnType.LONG, 1, false))
                .add(new ColumnMetadata("t_string", ColumnType.STRING, 2, false))
                .add(new ColumnMetadata("t_bigint", ColumnType.LONG, 3, false))
                .add(new ColumnMetadata("t_double", ColumnType.DOUBLE, 4, false))
                .add(new ColumnMetadata("t_boolean", ColumnType.BOOLEAN, 5, false))
                .build();

        ConnectorTableMetadata tableMetadata = new ConnectorTableMetadata(temporaryCreateTable, columns, tableOwner);
        OutputTableHandle outputHandle = metadata.beginCreateTable(tableMetadata);
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    }

    private static void assertReadFields(RecordCursor cursor, List<ColumnMetadata> schema)
    {
        for (int columnIndex = 0; columnIndex < schema.size(); columnIndex++) {
            ColumnMetadata column = schema.get(columnIndex);
            if (!cursor.isNull(columnIndex)) {
                switch (column.getType()) {
                    case BOOLEAN:
                        cursor.getBoolean(columnIndex);
                        break;
                    case LONG:
                        cursor.getLong(columnIndex);
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    }

    private static void assertPrimitiveField(Map<String, ColumnMetadata> map, int position, String name, ColumnType type, boolean partitionKey)
    {
        assertTrue(map.containsKey(name));
        ColumnMetadata column = map.get(name);
        assertEquals(column.getOrdinalPosition(), position);
        assertEquals(column.getType(), type, name);
        assertEquals(column.isPartitionKey(), partitionKey, name);
    }
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Related Classes of com.facebook.presto.spi.ColumnMetadata

  • com.facebook.presto.AbstractTestQueries
  • com.facebook.presto.cassandra.CassandraColumnHandle
  • com.facebook.presto.cassandra.TestCassandraConnector
  • com.facebook.presto.connector.informationSchema.InformationSchemaDataStreamProvider
  • com.facebook.presto.connector.informationSchema.InformationSchemaMetadata
  • com.facebook.presto.connector.informationSchema.InformationSchemaPageSourceProvider
  • com.facebook.presto.connector.jmx.JmxColumnHandle
  • com.facebook.presto.connector.system.SystemDataStreamProvider
  • com.facebook.presto.connector.system.SystemRecordSetProvider
  • com.facebook.presto.connector.system.SystemTablesMetadata
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