org.apache.calcite.prepare

Class Prepare.PreparedResultImpl

java.lang.Object

org.apache.calcite.prepare.Prepare.PreparedResultImpl

All Implemented Interfaces:

Prepare.PreparedResult, Typed

Enclosing class:

Prepare

public abstract static class Prepare.PreparedResultImpl
extends Object
implements Prepare.PreparedResult, Typed

Abstract implementation of Prepare.PreparedResult.

Field Summary

Fields

Modifier and Type	Field and Description
protected List<List<String>>	fieldOrigins
protected boolean	isDml
protected RelDataType	parameterRowType
protected RelNode	rootRel
protected RelDataType	rowType
protected TableModify.Operation	tableModOp

Constructor Summary

Constructors

Constructor and Description
Prepare.PreparedResultImpl(RelDataType rowType, RelDataType parameterRowType, List<List<String>> fieldOrigins, RelNode rootRel, TableModify.Operation tableModOp, boolean isDml)

Method Summary

Methods

Modifier and Type	Method and Description
abstract Bindable	getBindable() Executes the prepared result.
abstract Type	getElementType() Gets the type of the element(s) that are returned in this collection.
List<List<String>>	getFieldOrigins() Returns a list describing, for each result field, the origin of the field as a 4-element list of (database, schema, table, column).
RelDataType	getParameterRowType() Returns a record type whose fields are the parameters of this statement.
RelDataType	getPhysicalRowType() Returns the physical row type of this prepared statement.
RelNode	getRootRel()
TableModify.Operation	getTableModOp() Returns the table modification operation corresponding to this statement if it is a table modification statement; otherwise null.
boolean	isDml() Returns whether this result is for a DML statement, in which case the result set is one row with one column containing the number of rows affected.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.prepare.Prepare.PreparedResult

getCode

Field Detail

rootRel

protected final RelNode rootRel

parameterRowType

protected final RelDataType parameterRowType

rowType

protected final RelDataType rowType

isDml

protected final boolean isDml

tableModOp

protected final TableModify.Operation tableModOp

fieldOrigins

protected final List<List<String>> fieldOrigins

Constructor Detail

Prepare.PreparedResultImpl

public Prepare.PreparedResultImpl(RelDataType rowType,
                          RelDataType parameterRowType,
                          List<List<String>> fieldOrigins,
                          RelNode rootRel,
                          TableModify.Operation tableModOp,
                          boolean isDml)

Method Detail

isDml

public boolean isDml()

Description copied from interface: Prepare.PreparedResult

Returns whether this result is for a DML statement, in which case the result set is one row with one column containing the number of rows affected.

Specified by:

isDml in interface Prepare.PreparedResult

getTableModOp

public TableModify.Operation getTableModOp()

Description copied from interface: Prepare.PreparedResult

Returns the table modification operation corresponding to this statement if it is a table modification statement; otherwise null.

Specified by:

getTableModOp in interface Prepare.PreparedResult

getFieldOrigins

public List<List<String>> getFieldOrigins()

Description copied from interface: Prepare.PreparedResult

Returns a list describing, for each result field, the origin of the field as a 4-element list of (database, schema, table, column).

Specified by:

getFieldOrigins in interface Prepare.PreparedResult

getParameterRowType

public RelDataType getParameterRowType()

Description copied from interface: Prepare.PreparedResult

Returns a record type whose fields are the parameters of this statement.

Specified by:

getParameterRowType in interface Prepare.PreparedResult

getPhysicalRowType

public RelDataType getPhysicalRowType()

Returns the physical row type of this prepared statement. May not be identical to the row type returned by the validator; for example, the field names may have been made unique.

getElementType

public abstract Type getElementType()

Description copied from interface: Typed

Gets the type of the element(s) that are returned in this collection.

Specified by:

getElementType in interface Typed

getRootRel

public RelNode getRootRel()

getBindable

public abstract Bindable getBindable()

Description copied from interface: Prepare.PreparedResult

Executes the prepared result.

Specified by:

getBindable in interface Prepare.PreparedResult

Returns:

producer of rows resulting from execution