org.apache.calcite.rel.core

Interface RelFactories.FilterFactory

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

Method Detail

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.