Package 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 java.lang.Object
implements CalcitePrepareImpl.ScalarTranslator

Basic translator.

Field Summary

Fields

Modifier and Type	Field	Description
private RexBuilder	rexBuilder

Constructor Summary

Constructors

Constructor	Description
EmptyScalarTranslator(RexBuilder rexBuilder)

Method Summary

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

type

protected RelDataType type(Expression expression)

bind

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

Specified by:

bind in interface CalcitePrepareImpl.ScalarTranslator

parameter

public RexNode parameter(ParameterExpression param)