Module returning 

Available on crate feature i-implement-a-third-party-backend-and-opt-into-breaking-changes only.

Types involved in type-checking and emitting SQL RETURNING clauses.

Structs

DeleteStmt

Statement-kind marker

InsertStmtWithOnConflictDoUpdate

Statement-kind marker

InsertStmtWithoutOnConflictDoUpdate

Statement-kind marker

NoReturningClause

Marker type for INSERT/UPDATE/DELETE ASTs that do not have a RETURNING clause attached yet.

ReturningClause

This type represents a SQL Returning clause

ReturningQuerySource

Synthetic query source used as the QS parameter of SelectableExpression / AppearsOnTable when type-checking RETURNING clauses.

UpdateStmt

Statement-kind marker

Traits

InsertStmtKind

Maps an InsertStatement Values shape to the statement-kind marker that should be used when type-checking that statement’s RETURNING clause.

ReturningClauseHelper

Helper trait that maps an INSERT/UPDATE/DELETE statement type to the same statement type with an explicit ReturningClause<S> attached.