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package orm
type DropCompositeOptions struct {
IfExists bool
Cascade bool
}
type DropCompositeQuery struct {
q *Query
opt *DropCompositeOptions
}
var (
_ QueryAppender = (*DropCompositeQuery)(nil)
_ QueryCommand = (*DropCompositeQuery)(nil)
)
func NewDropCompositeQuery(q *Query, opt *DropCompositeOptions) *DropCompositeQuery {
return &DropCompositeQuery{
q: q,
opt: opt,
}
}
func (q *DropCompositeQuery) String() string {
b, err := q.AppendQuery(defaultFmter, nil)
if err != nil {
panic(err)
}
return string(b)
}
func (q *DropCompositeQuery) Operation() QueryOp {
return DropCompositeOp
}
func (q *DropCompositeQuery) Clone() QueryCommand {
return &DropCompositeQuery{
q: q.q.Clone(),
opt: q.opt,
}
}
func (q *DropCompositeQuery) Query() *Query {
return q.q
}
func (q *DropCompositeQuery) AppendTemplate(b []byte) ([]byte, error) {
return q.AppendQuery(dummyFormatter{}, b)
}
func (q *DropCompositeQuery) AppendQuery(fmter QueryFormatter, b []byte) ([]byte, error) {
if q.q.stickyErr != nil {
return nil, q.q.stickyErr
}
if q.q.tableModel == nil {
return nil, errModelNil
}
b = append(b, "DROP TYPE "...)
if q.opt != nil && q.opt.IfExists {
b = append(b, "IF EXISTS "...)
}
b = append(b, q.q.tableModel.Table().Alias...)
if q.opt != nil && q.opt.Cascade {
b = append(b, " CASCADE"...)
}
return b, q.q.stickyErr
}
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