Package org.apache.flink.table.expressions

package org.apache.flink.table.expressions

Class	Description
AggregateExpression	Resolved and validated expression for calling an aggregate function.
CallExpression	Resolved and validated call expression for calling a function.
Expression	General interface for all kinds of expressions.
ExpressionDefaultVisitor<T>	Implementation of ExpressionVisitor that redirects all calls to ExpressionDefaultVisitor.defaultMethod(Expression).
ExpressionParserException	Exception for all errors occurring during expression parsing.
ExpressionUtils	Utility methods for working with Expressions.
ExpressionVisitor<R>	The visitor definition of Expression.
FieldReferenceExpression	A reference to a field in an input.
NestedFieldReferenceExpression	A reference to a nested field in an input.
ResolvedExpression	Expression that has been fully resolved and validated.
ResolvedFieldReference	A reference to a field in an input which has been resolved.
SqlCallExpression	A call to a SQL expression.
TableSymbol	The base interface for all table symbols.
TimeIntervalUnit	Units for working with time intervals.
TimePointUnit	Units for working with points in time.
TypeLiteralExpression	Expression that wraps DataType as a literal.
ValueLiteralExpression	Expression for constant literal values.