org.apache.calcite.prepare

Class CalcitePrepareImpl.EmptyScalarTranslator

java.lang.Object

org.apache.calcite.prepare.CalcitePrepareImpl.EmptyScalarTranslator

All Implemented Interfaces:

CalcitePrepareImpl.ScalarTranslator

Direct Known Subclasses:

CalcitePrepareImpl.LambdaScalarTranslator

Enclosing class:

CalcitePrepareImpl

static class CalcitePrepareImpl.EmptyScalarTranslator
extends Object
implements CalcitePrepareImpl.ScalarTranslator

Basic translator.

Field Summary

Fields

Modifier and Type	Field and Description
private RexBuilder	rexBuilder

Constructor Summary

Constructors

Constructor and Description
EmptyScalarTranslator(RexBuilder rexBuilder)

Method Summary

Modifier and Type	Method and Description
private RexNode	binary(Expression expression, SqlBinaryOperator op)
CalcitePrepareImpl.ScalarTranslator	bind(List<ParameterExpression> parameterList, List<RexNode> values)
static CalcitePrepareImpl.ScalarTranslator	empty(RexBuilder builder)
RexNode	parameter(ParameterExpression param)
private static List<Expression>	simpleList(BlockStatement statement)
RexNode	toRex(BlockStatement statement)
RexNode	toRex(Expression expression)
private List<RexNode>	toRex(List<Expression> expressions)
List<RexNode>	toRexList(BlockStatement statement)
protected RelDataType	type(Expression expression)

Methods inherited from class java.lang.Object

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

Field Detail

rexBuilder

private final RexBuilder rexBuilder

Constructor Detail

EmptyScalarTranslator

EmptyScalarTranslator(RexBuilder rexBuilder)

Method Detail

empty

public static CalcitePrepareImpl.ScalarTranslator empty(RexBuilder builder)

toRexList

public List<RexNode> toRexList(BlockStatement statement)

Specified by:

toRexList in interface CalcitePrepareImpl.ScalarTranslator

toRex

public RexNode toRex(BlockStatement statement)

Specified by:

toRex in interface CalcitePrepareImpl.ScalarTranslator

simpleList

private static List<Expression> simpleList(BlockStatement statement)

toRex

public RexNode toRex(Expression expression)

Specified by:

toRex in interface CalcitePrepareImpl.ScalarTranslator

binary

private RexNode binary(Expression expression,
                       SqlBinaryOperator op)

toRex

private List<RexNode> toRex(List<Expression> expressions)

type

protected RelDataType type(Expression expression)

bind

public CalcitePrepareImpl.ScalarTranslator bind(List<ParameterExpression> parameterList,
                                                List<RexNode> values)

Specified by:

bind in interface CalcitePrepareImpl.ScalarTranslator

parameter

public RexNode parameter(ParameterExpression param)