Package org.apache.calcite.jdbc

Class CalcitePrepare.CalciteSignature<T>

java.lang.Object

org.apache.calcite.avatica.Meta.Signature

org.apache.calcite.jdbc.CalcitePrepare.CalciteSignature<T>

Type Parameters:

T - element type

Enclosing interface:

CalcitePrepare

public static class CalcitePrepare.CalciteSignature<T>
extends org.apache.calcite.avatica.Meta.Signature

The result of preparing a query. It gives the Avatica driver framework the information it needs to create a prepared statement, or to execute a statement directly, without an explicit prepare step.

Field Summary

Fields

Modifier and Type	Field	Description
final @Nullable CalciteSchema	rootSchema
final @Nullable RelDataType	rowType

Fields inherited from class org.apache.calcite.avatica.Meta.Signature

columns, cursorFactory, internalParameters, parameters, sql, statementType

Constructor Summary

Constructors

Constructor	Description
CalciteSignature(@Nullable String sql, List<org.apache.calcite.avatica.AvaticaParameter> parameterList, Map<String,Object> internalParameters, @Nullable RelDataType rowType, List<org.apache.calcite.avatica.ColumnMetaData> columns, org.apache.calcite.avatica.Meta.CursorFactory cursorFactory, @Nullable CalciteSchema rootSchema, List<RelCollation> collationList, long maxRowCount, @Nullable Bindable<T> bindable, org.apache.calcite.avatica.Meta.StatementType statementType)
CalciteSignature(String sql, List<org.apache.calcite.avatica.AvaticaParameter> parameterList, Map<String,Object> internalParameters, RelDataType rowType, List<org.apache.calcite.avatica.ColumnMetaData> columns, org.apache.calcite.avatica.Meta.CursorFactory cursorFactory, CalciteSchema rootSchema, List<RelCollation> collationList, long maxRowCount, Bindable<T> bindable)	Deprecated.

Method Summary

Modifier and Type	Method	Description
Enumerable<T>	enumerable(DataContext dataContext)
List<RelCollation>	getCollationList()

Methods inherited from class org.apache.calcite.avatica.Meta.Signature

create, equals, fromProto, hashCode, sanitize, setCursorFactory, toProto

Methods inherited from class java.lang.Object

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

Field Details

rowType

public final @Nullable RelDataType rowType

rootSchema

public final @Nullable CalciteSchema rootSchema

Constructor Details

CalciteSignature

@Deprecated
public CalciteSignature(String sql,
 List<org.apache.calcite.avatica.AvaticaParameter> parameterList,
 Map<String,Object> internalParameters,
 RelDataType rowType,
 List<org.apache.calcite.avatica.ColumnMetaData> columns,
 org.apache.calcite.avatica.Meta.CursorFactory cursorFactory,
 CalciteSchema rootSchema,
 List<RelCollation> collationList,
 long maxRowCount,
 Bindable<T> bindable)

Deprecated.

CalciteSignature

public CalciteSignature(@Nullable String sql,
 List<org.apache.calcite.avatica.AvaticaParameter> parameterList,
 Map<String,Object> internalParameters,
 @Nullable RelDataType rowType,
 List<org.apache.calcite.avatica.ColumnMetaData> columns,
 org.apache.calcite.avatica.Meta.CursorFactory cursorFactory,
 @Nullable CalciteSchema rootSchema,
 List<RelCollation> collationList,
 long maxRowCount,
 @Nullable Bindable<T> bindable,
 org.apache.calcite.avatica.Meta.StatementType statementType)

Method Details

enumerable

public Enumerable<T> enumerable(DataContext dataContext)

getCollationList

public List<RelCollation> getCollationList()