org.apache.drill.exec.store.ischema

Class InfoSchemaTable<S>

java.lang.Object

org.apache.drill.exec.store.ischema.InfoSchemaTable<S>

Direct Known Subclasses:

InfoSchemaTable.Catalogs, InfoSchemaTable.Columns, InfoSchemaTable.Files, InfoSchemaTable.Partitions, InfoSchemaTable.Schemata, InfoSchemaTable.Tables, InfoSchemaTable.Views

public abstract class InfoSchemaTable<S>
extends Object

Base class for tables in INFORMATION_SCHEMA. Defines the table (fields and types).

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	InfoSchemaTable.Catalogs Layout for the CATALOGS table.
static class	InfoSchemaTable.Columns Layout for the COLUMNS table.
static class	InfoSchemaTable.Field
static class	InfoSchemaTable.Files Layout for the FILES table.
static class	InfoSchemaTable.Partitions Layout for the PARTITIONS table.
static class	InfoSchemaTable.Schemata Layout for the SCHEMATA table.
static class	InfoSchemaTable.Tables Layout for the TABLES table.
static class	InfoSchemaTable.Views Layout for the VIEWS table.

Field Summary

Fields

Modifier and Type	Field and Description
static TypeProtos.MajorType	BIGINT
static TypeProtos.MajorType	BIT
static TypeProtos.MajorType	FLOAT8
static TypeProtos.MajorType	INT
static TypeProtos.MajorType	TIMESTAMP
static TypeProtos.MajorType	VARCHAR

Constructor Summary

Constructors

Constructor and Description
InfoSchemaTable(List<InfoSchemaTable.Field> fields)

Method Summary

Modifier and Type	Method and Description
abstract InfoSchemaRecordGenerator<S>	getRecordGenerator(FilterEvaluator filterEvaluator)
org.apache.calcite.rel.type.RelDataType	getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INT

public static final TypeProtos.MajorType INT

BIGINT

public static final TypeProtos.MajorType BIGINT

VARCHAR

public static final TypeProtos.MajorType VARCHAR

BIT

public static final TypeProtos.MajorType BIT

TIMESTAMP

public static final TypeProtos.MajorType TIMESTAMP

FLOAT8

public static final TypeProtos.MajorType FLOAT8

Constructor Detail

InfoSchemaTable

public InfoSchemaTable(List<InfoSchemaTable.Field> fields)

Method Detail

getRowType

public org.apache.calcite.rel.type.RelDataType getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)

getRecordGenerator

public abstract InfoSchemaRecordGenerator<S> getRecordGenerator(FilterEvaluator filterEvaluator)