jet/postgres/delete_statement.go
2022-09-29 13:33:00 +02:00

51 lines
1.3 KiB
Go

package postgres
import "github.com/go-jet/jet/v2/internal/jet"
// DeleteStatement is interface for PostgreSQL DELETE statement
type DeleteStatement interface {
jet.SerializerStatement
USING(tables ...ReadableTable) DeleteStatement
WHERE(expression BoolExpression) DeleteStatement
RETURNING(projections ...jet.Projection) DeleteStatement
}
type deleteStatementImpl struct {
jet.SerializerStatement
Delete jet.ClauseDelete
Using jet.ClauseFrom
Where jet.ClauseWhere
Returning jet.ClauseReturning
}
func newDeleteStatement(table WritableTable) DeleteStatement {
newDelete := &deleteStatementImpl{}
newDelete.SerializerStatement = jet.NewStatementImpl(Dialect, jet.DeleteStatementType, newDelete,
&newDelete.Delete,
&newDelete.Using,
&newDelete.Where,
&newDelete.Returning)
newDelete.Delete.Table = table
newDelete.Using.Name = "USING"
newDelete.Where.Mandatory = true
return newDelete
}
func (d *deleteStatementImpl) USING(tables ...ReadableTable) DeleteStatement {
d.Using.Tables = readableTablesToSerializerList(tables)
return d
}
func (d *deleteStatementImpl) WHERE(expression BoolExpression) DeleteStatement {
d.Where.Condition = expression
return d
}
func (d *deleteStatementImpl) RETURNING(projections ...jet.Projection) DeleteStatement {
d.Returning.ProjectionList = projections
return d
}