Module expression 

Structs

AliasedSelection

Column

SelectSubquery

WindowFrame

Enums

BinaryOperator

Expression

OrderDirection

UnaryOperator

WindowBoundary

WindowFrameUnits

Traits

Selection

SelectionExt

SqlComparable

Marks SQL value types that can be compared without discarding their base type, including nullable/non-nullable forms of the same type.

Functions

exists

not

Negate a predicate while retaining its AST and bound parameters.