Package org.apache.calcite.avatica

Class Meta.Signature

java.lang.Object

org.apache.calcite.avatica.Meta.Signature

Enclosing interface:

Meta

public static class Meta.Signature
extends Object

Result of preparing a statement.

Field Summary

Fields

Modifier and Type	Field	Description
List<ColumnMetaData>	columns
Meta.CursorFactory	cursorFactory
Map<String,Object>	internalParameters
List<AvaticaParameter>	parameters
String	sql
Meta.StatementType	statementType

Constructor Summary

Constructors

Constructor	Description
Signature(List<ColumnMetaData> columns, String sql, List<AvaticaParameter> parameters, Map<String,Object> internalParameters, Meta.CursorFactory cursorFactory, Meta.StatementType statementType)	Creates a Signature.

Method Summary

Modifier and Type	Method	Description
static Meta.Signature	create(List<ColumnMetaData> columns, String sql, List<AvaticaParameter> parameters, Meta.CursorFactory cursorFactory, Meta.StatementType statementType)	Used by Jackson to create a Signature by de-serializing JSON.
boolean	equals(Object o)
static Meta.Signature	fromProto(Common.Signature protoSignature)
int	hashCode()
Meta.Signature	sanitize()	Creates a copy of this Signature with null lists and maps converted to empty.
Meta.Signature	setCursorFactory(Meta.CursorFactory cursorFactory)	Returns a copy of this Signature, substituting given CursorFactory.
Common.Signature	toProto()

Methods inherited from class java.lang.Object

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

Field Detail

columns

public final List<ColumnMetaData> columns

sql

public final String sql

parameters

public final List<AvaticaParameter> parameters

internalParameters

public final transient Map<String,Object> internalParameters

cursorFactory

public final Meta.CursorFactory cursorFactory

statementType

public final Meta.StatementType statementType

Constructor Detail

Signature

public Signature(List<ColumnMetaData> columns,
                 String sql,
                 List<AvaticaParameter> parameters,
                 Map<String,Object> internalParameters,
                 Meta.CursorFactory cursorFactory,
                 Meta.StatementType statementType)

Creates a Signature.

Method Detail

create

public static Meta.Signature create(List<ColumnMetaData> columns,
                                    String sql,
                                    List<AvaticaParameter> parameters,
                                    Meta.CursorFactory cursorFactory,
                                    Meta.StatementType statementType)

Used by Jackson to create a Signature by de-serializing JSON.

setCursorFactory

public Meta.Signature setCursorFactory(Meta.CursorFactory cursorFactory)

Returns a copy of this Signature, substituting given CursorFactory.

sanitize

public Meta.Signature sanitize()

Creates a copy of this Signature with null lists and maps converted to empty.

toProto

public Common.Signature toProto()

fromProto

public static Meta.Signature fromProto(Common.Signature protoSignature)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object