org.apache.flink.table.planner.plan.utils

Class ConstantFoldingUtil

java.lang.Object

org.apache.flink.table.planner.plan.utils.ConstantFoldingUtil

public class ConstantFoldingUtil
extends Object

Utility for deciding whether than expression supports constant folding or not.

Constructor Summary

Constructors

Constructor and Description
ConstantFoldingUtil()

Method Summary

Modifier and Type	Method and Description
static boolean	supportsConstantFolding(org.apache.calcite.rex.RexNode node) Checks whether it contains any function calls which don't support constant folding.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantFoldingUtil

public ConstantFoldingUtil()

Method Detail

supportsConstantFolding

public static boolean supportsConstantFolding(org.apache.calcite.rex.RexNode node)

Checks whether it contains any function calls which don't support constant folding.

Parameters:

node - the RexNode to check

Returns:

true if it contains any unsupported function calls in the specified node.