org.apache.druid.sql.calcite.expression.builtin

Class LikeOperatorConversion

java.lang.Object

org.apache.druid.sql.calcite.expression.DirectOperatorConversion

org.apache.druid.sql.calcite.expression.builtin.LikeOperatorConversion

All Implemented Interfaces:

SqlOperatorConversion

public class LikeOperatorConversion
extends DirectOperatorConversion

Constructor Summary

Constructors

Constructor and Description
LikeOperatorConversion()

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.sql.SqlOperator	calciteOperator() Returns the SQL operator corresponding to this function.
DimFilter	toDruidFilter(PlannerContext plannerContext, RowSignature rowSignature, VirtualColumnRegistry virtualColumnRegistry, org.apache.calcite.rex.RexNode rexNode) Returns a Druid filter corresponding to a Calcite RexNode used as a filter condition.

Methods inherited from class org.apache.druid.sql.calcite.expression.DirectOperatorConversion

getDruidFunctionName, toDruidExpression, toDruidExpressionWithPostAggOperands

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.druid.sql.calcite.expression.SqlOperatorConversion

toPostAggregator

Constructor Detail

LikeOperatorConversion

public LikeOperatorConversion()

Method Detail

calciteOperator

public org.apache.calcite.sql.SqlOperator calciteOperator()

Description copied from interface: SqlOperatorConversion

Returns the SQL operator corresponding to this function. Should be a singleton.

Specified by:

calciteOperator in interface SqlOperatorConversion

Overrides:

calciteOperator in class DirectOperatorConversion

Returns:

operator

toDruidFilter

@Nullable
public DimFilter toDruidFilter(PlannerContext plannerContext,
                                         RowSignature rowSignature,
                                         @Nullable
                                         VirtualColumnRegistry virtualColumnRegistry,
                                         org.apache.calcite.rex.RexNode rexNode)

Description copied from interface: SqlOperatorConversion

Returns a Druid filter corresponding to a Calcite RexNode used as a filter condition.

Parameters:

plannerContext - SQL planner context

rowSignature - input row signature

virtualColumnRegistry - re-usable virtual column references

rexNode - filter expression rex node

Returns:

filter, or null if the call cannot be translated to a filter