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

Class ContainsOperatorConversion

java.lang.Object

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

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

All Implemented Interfaces:

SqlOperatorConversion

public class ContainsOperatorConversion
extends DirectOperatorConversion

Register contains_string and icontains_string functions with calcite that internally translate these functions into SearchQueryDimFilter with ContainsSearchQuerySpec as search query spec.

Method Summary

Modifier and Type	Method and Description
static SqlOperatorConversion	caseInsensitive()
static SqlOperatorConversion	caseSensitive()
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

Method Detail

caseSensitive

public static SqlOperatorConversion caseSensitive()

caseInsensitive

public static SqlOperatorConversion caseInsensitive()

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