Module butane_core::query[−][src]

Expand description

Types to support database queries. Most users will use the query!, filter!, and find! macros instead of using this module directly.

Structs

Column
FieldExpr	Used to implement the `query!` and `filter!` macros.
ManyFieldExpr
Order	Represents a sorting term (ORDER BY in SQL).
Query	Representation of a database query.

BoolExpr	Abstract representation of a boolean expression.
Expr	Abstract representation of a database expression.
Join
OrderDirection	Represents the direction of a sort.

Marker trait to determine whether values can be compared. Unlike PartialOrd, handles Option, which we need for nullable types.