Module butane::query

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.

Enums

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

Traits

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