Package org.apache.flink.table.planner.expressions

Class Summary

Class	Description
CallExpressionResolver	Planner expression resolver for UnresolvedCallExpression.
ColumnReferenceFinder	A finder used to look up referenced column name in a ResolvedExpression.
DeclarativeExpressionResolver	Abstract class to resolve the expressions in DeclarativeAggregateFunction.
ExpressionBuilder	Builder for Expressions.
RexNodeExpression	Wrapper for a ResolvedExpression that originated from a RexNode.
SqlAggFunctionVisitor	The class to get SqlAggFunctionVisitor of CallExpression.

Exception Summary

Exception	Description
UnresolvedException	Exception for unwanted method calling on unresolved expression.