Package 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	Description
LikeOperatorConversion()

Method Summary

Modifier and Type	Method	Description
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

calciteOperator, 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 Details

LikeOperatorConversion

public LikeOperatorConversion()

Method Details

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