io.druid.sql.calcite.expression

Class OperatorConversions

java.lang.Object

io.druid.sql.calcite.expression.OperatorConversions

public class OperatorConversions
extends Object

Utilities for assisting in writing SqlOperatorConversion implementations.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OperatorConversions.OperatorBuilder

Constructor Summary

Constructors

Constructor and Description
OperatorConversions()

Method Summary

Modifier and Type	Method and Description
static DruidExpression	convertCall(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, Function<List<DruidExpression>,DruidExpression> expressionFunction)
static DruidExpression	convertCall(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, String functionName)
static DruidExpression	convertCall(PlannerContext plannerContext, RowSignature rowSignature, org.apache.calcite.rex.RexNode rexNode, String functionName, Function<List<DruidExpression>,SimpleExtraction> simpleExtractionFunction)
static OperatorConversions.OperatorBuilder	operatorBuilder(String name)

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorConversions

public OperatorConversions()

Method Detail

convertCall

@Nullable
public static DruidExpression convertCall(PlannerContext plannerContext,
                                                    RowSignature rowSignature,
                                                    org.apache.calcite.rex.RexNode rexNode,
                                                    String functionName)

convertCall

@Nullable
public static DruidExpression convertCall(PlannerContext plannerContext,
                                                    RowSignature rowSignature,
                                                    org.apache.calcite.rex.RexNode rexNode,
                                                    String functionName,
                                                    Function<List<DruidExpression>,SimpleExtraction> simpleExtractionFunction)

convertCall

@Nullable
public static DruidExpression convertCall(PlannerContext plannerContext,
                                                    RowSignature rowSignature,
                                                    org.apache.calcite.rex.RexNode rexNode,
                                                    Function<List<DruidExpression>,DruidExpression> expressionFunction)

operatorBuilder

public static OperatorConversions.OperatorBuilder operatorBuilder(String name)