Package 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	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	Description
static final TypeProtos.MajorType	BIGINT
static final TypeProtos.MajorType	BIT
static final TypeProtos.MajorType	FLOAT8
static final TypeProtos.MajorType	INT
static final TypeProtos.MajorType	TIMESTAMP
static final TypeProtos.MajorType	VARCHAR

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	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 Details

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 Details

InfoSchemaTable

public InfoSchemaTable(List<InfoSchemaTable.Field> fields)

Method Details

getRowType

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

getRecordGenerator

public abstract InfoSchemaRecordGenerator<S> getRecordGenerator(FilterEvaluator filterEvaluator)