1 files changed, 256 insertions, 0 deletions
diff --git a/vendor/github.com/uptrace/bun/query_delete.go b/vendor/github.com/uptrace/bun/query_delete.go
new file mode 100644
index 000000000..c0c5039c7
--- /dev/null
+++ b/vendor/github.com/uptrace/bun/query_delete.go
@@ -0,0 +1,256 @@
+package bun
+
+import (
+	"context"
+	"database/sql"
+
+	"github.com/uptrace/bun/dialect/feature"
+	"github.com/uptrace/bun/internal"
+	"github.com/uptrace/bun/schema"
+)
+
+type DeleteQuery struct {
+	whereBaseQuery
+	returningQuery
+}
+
+func NewDeleteQuery(db *DB) *DeleteQuery {
+	q := &DeleteQuery{
+		whereBaseQuery: whereBaseQuery{
+			baseQuery: baseQuery{
+				db:   db,
+				conn: db.DB,
+			},
+		},
+	}
+	return q
+}
+
+func (q *DeleteQuery) Conn(db IConn) *DeleteQuery {
+	q.setConn(db)
+	return q
+}
+
+func (q *DeleteQuery) Model(model interface{}) *DeleteQuery {
+	q.setTableModel(model)
+	return q
+}
+
+// Apply calls the fn passing the DeleteQuery as an argument.
+func (q *DeleteQuery) Apply(fn func(*DeleteQuery) *DeleteQuery) *DeleteQuery {
+	return fn(q)
+}
+
+func (q *DeleteQuery) With(name string, query schema.QueryAppender) *DeleteQuery {
+	q.addWith(name, query)
+	return q
+}
+
+func (q *DeleteQuery) Table(tables ...string) *DeleteQuery {
+	for _, table := range tables {
+		q.addTable(schema.UnsafeIdent(table))
+	}
+	return q
+}
+
+func (q *DeleteQuery) TableExpr(query string, args ...interface{}) *DeleteQuery {
+	q.addTable(schema.SafeQuery(query, args))
+	return q
+}
+
+func (q *DeleteQuery) ModelTableExpr(query string, args ...interface{}) *DeleteQuery {
+	q.modelTable = schema.SafeQuery(query, args)
+	return q
+}
+
+//------------------------------------------------------------------------------
+
+func (q *DeleteQuery) WherePK() *DeleteQuery {
+	q.flags = q.flags.Set(wherePKFlag)
+	return q
+}
+
+func (q *DeleteQuery) Where(query string, args ...interface{}) *DeleteQuery {
+	q.addWhere(schema.SafeQueryWithSep(query, args, " AND "))
+	return q
+}
+
+func (q *DeleteQuery) WhereOr(query string, args ...interface{}) *DeleteQuery {
+	q.addWhere(schema.SafeQueryWithSep(query, args, " OR "))
+	return q
+}
+
+func (q *DeleteQuery) WhereGroup(sep string, fn func(*DeleteQuery) *DeleteQuery) *DeleteQuery {
+	saved := q.where
+	q.where = nil
+
+	q = fn(q)
+
+	where := q.where
+	q.where = saved
+
+	q.addWhereGroup(sep, where)
+
+	return q
+}
+
+func (q *DeleteQuery) WhereDeleted() *DeleteQuery {
+	q.whereDeleted()
+	return q
+}
+
+func (q *DeleteQuery) WhereAllWithDeleted() *DeleteQuery {
+	q.whereAllWithDeleted()
+	return q
+}
+
+func (q *DeleteQuery) ForceDelete() *DeleteQuery {
+	q.flags = q.flags.Set(forceDeleteFlag)
+	return q
+}
+
+//------------------------------------------------------------------------------
+
+// Returning adds a RETURNING clause to the query.
+//
+// To suppress the auto-generated RETURNING clause, use `Returning("NULL")`.
+func (q *DeleteQuery) Returning(query string, args ...interface{}) *DeleteQuery {
+	q.addReturning(schema.SafeQuery(query, args))
+	return q
+}
+
+func (q *DeleteQuery) hasReturning() bool {
+	if !q.db.features.Has(feature.Returning) {
+		return false
+	}
+	return q.returningQuery.hasReturning()
+}
+
+//------------------------------------------------------------------------------
+
+func (q *DeleteQuery) AppendQuery(fmter schema.Formatter, b []byte) (_ []byte, err error) {
+	if q.err != nil {
+		return nil, q.err
+	}
+	fmter = formatterWithModel(fmter, q)
+
+	if q.isSoftDelete() {
+		if err := q.tableModel.updateSoftDeleteField(); err != nil {
+			return nil, err
+		}
+
+		upd := UpdateQuery{
+			whereBaseQuery: q.whereBaseQuery,
+			returningQuery: q.returningQuery,
+		}
+		upd.Column(q.table.SoftDeleteField.Name)
+		return upd.AppendQuery(fmter, b)
+	}
+
+	q = q.WhereAllWithDeleted()
+	withAlias := q.db.features.Has(feature.DeleteTableAlias)
+
+	b, err = q.appendWith(fmter, b)
+	if err != nil {
+		return nil, err
+	}
+
+	b = append(b, "DELETE FROM "...)
+
+	if withAlias {
+		b, err = q.appendFirstTableWithAlias(fmter, b)
+	} else {
+		b, err = q.appendFirstTable(fmter, b)
+	}
+	if err != nil {
+		return nil, err
+	}
+
+	if q.hasMultiTables() {
+		b = append(b, " USING "...)
+		b, err = q.appendOtherTables(fmter, b)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	b, err = q.mustAppendWhere(fmter, b, withAlias)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(q.returning) > 0 {
+		b, err = q.appendReturning(fmter, b)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return b, nil
+}
+
+func (q *DeleteQuery) isSoftDelete() bool {
+	return q.tableModel != nil && q.table.SoftDeleteField != nil && !q.flags.Has(forceDeleteFlag)
+}
+
+//------------------------------------------------------------------------------
+
+func (q *DeleteQuery) Exec(ctx context.Context, dest ...interface{}) (sql.Result, error) {
+	if q.table != nil {
+		if err := q.beforeDeleteHook(ctx); err != nil {
+			return nil, err
+		}
+	}
+
+	queryBytes, err := q.AppendQuery(q.db.fmter, q.db.makeQueryBytes())
+	if err != nil {
+		return nil, err
+	}
+
+	query := internal.String(queryBytes)
+
+	var res sql.Result
+
+	if hasDest := len(dest) > 0; hasDest || q.hasReturning() {
+		model, err := q.getModel(dest)
+		if err != nil {
+			return nil, err
+		}
+
+		res, err = q.scan(ctx, q, query, model, hasDest)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		res, err = q.exec(ctx, q, query)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	if q.table != nil {
+		if err := q.afterDeleteHook(ctx); err != nil {
+			return nil, err
+		}
+	}
+
+	return res, nil
+}
+
+func (q *DeleteQuery) beforeDeleteHook(ctx context.Context) error {
+	if hook, ok := q.table.ZeroIface.(BeforeDeleteHook); ok {
+		if err := hook.BeforeDelete(ctx, q); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (q *DeleteQuery) afterDeleteHook(ctx context.Context) error {
+	if hook, ok := q.table.ZeroIface.(AfterDeleteHook); ok {
+		if err := hook.AfterDelete(ctx, q); err != nil {
+			return err
+		}
+	}
+	return nil
+}