Package org.apache.flink.table.expressions

Interface Summary

Interface	Description
Expression	General interface for all kinds of expressions.
ExpressionVisitor<R>	The visitor definition of Expression.
ResolvedExpression	Expression that has been fully resolved and validated.
TableSymbol	The base interface for all table symbols.

Class Summary

Class	Description
CallExpression	Resolved and validated call expression for calling a function.
ExpressionDefaultVisitor<T>	Implementation of ExpressionVisitor that redirects all calls to ExpressionDefaultVisitor.defaultMethod(Expression).
ExpressionUtils	Utility methods for working with Expressions.
FieldReferenceExpression	A reference to a field in an input.
ResolvedFieldReference	A reference to a field in an input which has been resolved.
TypeLiteralExpression	Expression that wraps DataType as a literal.
ValueLiteralExpression	Expression for constant literal values.

Enum Summary

Enum	Description
TimeIntervalUnit	Units for working with time intervals.
TimePointUnit	Units for working with points in time.