Package org.apache.calcite.rel.core

Interface RelFactories.FilterFactory

All Known Implementing Classes:

PigRelFactories.PigFilterFactory

Enclosing class:

RelFactories

public static interface RelFactories.FilterFactory

Can create a Filter of the appropriate type for this rule's calling convention.

Method Summary

Modifier and Type	Method	Description
default RelNode	createFilter(RelNode input, RexNode condition)	Deprecated.
RelNode	createFilter(RelNode input, RexNode condition, Set<CorrelationId> variablesSet)	Creates a filter.

Method Details

createFilter

RelNode createFilter(RelNode input,
 RexNode condition,
 Set<CorrelationId> variablesSet)

Creates a filter.

Some implementations of Filter do not support correlation variables, and for these, this method will throw if variablesSet is not empty.

Parameters:

input - Input relational expression

condition - Filter condition; only rows for which this condition evaluates to TRUE will be emitted

variablesSet - Correlating variables that are set when reading a row from the input, and which may be referenced from inside the condition

createFilter

@Deprecated
default RelNode createFilter(RelNode input,
 RexNode condition)

Deprecated.