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Diffstat (limited to 'vendor/github.com/uptrace/bun/query_table_truncate.go')
-rw-r--r--vendor/github.com/uptrace/bun/query_table_truncate.go121
1 files changed, 121 insertions, 0 deletions
diff --git a/vendor/github.com/uptrace/bun/query_table_truncate.go b/vendor/github.com/uptrace/bun/query_table_truncate.go
new file mode 100644
index 000000000..1e4bef7f6
--- /dev/null
+++ b/vendor/github.com/uptrace/bun/query_table_truncate.go
@@ -0,0 +1,121 @@
+package bun
+
+import (
+ "context"
+ "database/sql"
+
+ "github.com/uptrace/bun/dialect/feature"
+ "github.com/uptrace/bun/internal"
+ "github.com/uptrace/bun/schema"
+)
+
+type TruncateTableQuery struct {
+ baseQuery
+ cascadeQuery
+
+ continueIdentity bool
+}
+
+func NewTruncateTableQuery(db *DB) *TruncateTableQuery {
+ q := &TruncateTableQuery{
+ baseQuery: baseQuery{
+ db: db,
+ conn: db.DB,
+ },
+ }
+ return q
+}
+
+func (q *TruncateTableQuery) Conn(db IConn) *TruncateTableQuery {
+ q.setConn(db)
+ return q
+}
+
+func (q *TruncateTableQuery) Model(model interface{}) *TruncateTableQuery {
+ q.setTableModel(model)
+ return q
+}
+
+//------------------------------------------------------------------------------
+
+func (q *TruncateTableQuery) Table(tables ...string) *TruncateTableQuery {
+ for _, table := range tables {
+ q.addTable(schema.UnsafeIdent(table))
+ }
+ return q
+}
+
+func (q *TruncateTableQuery) TableExpr(query string, args ...interface{}) *TruncateTableQuery {
+ q.addTable(schema.SafeQuery(query, args))
+ return q
+}
+
+//------------------------------------------------------------------------------
+
+func (q *TruncateTableQuery) ContinueIdentity() *TruncateTableQuery {
+ q.continueIdentity = true
+ return q
+}
+
+func (q *TruncateTableQuery) Restrict() *TruncateTableQuery {
+ q.restrict = true
+ return q
+}
+
+//------------------------------------------------------------------------------
+
+func (q *TruncateTableQuery) AppendQuery(
+ fmter schema.Formatter, b []byte,
+) (_ []byte, err error) {
+ if q.err != nil {
+ return nil, q.err
+ }
+
+ if !fmter.HasFeature(feature.TableTruncate) {
+ b = append(b, "DELETE FROM "...)
+
+ b, err = q.appendTables(fmter, b)
+ if err != nil {
+ return nil, err
+ }
+
+ return b, nil
+ }
+
+ b = append(b, "TRUNCATE TABLE "...)
+
+ b, err = q.appendTables(fmter, b)
+ if err != nil {
+ return nil, err
+ }
+
+ if q.db.features.Has(feature.TableIdentity) {
+ if q.continueIdentity {
+ b = append(b, " CONTINUE IDENTITY"...)
+ } else {
+ b = append(b, " RESTART IDENTITY"...)
+ }
+ }
+
+ b = q.appendCascade(fmter, b)
+
+ return b, nil
+}
+
+//------------------------------------------------------------------------------
+
+func (q *TruncateTableQuery) Exec(ctx context.Context, dest ...interface{}) (sql.Result, error) {
+ queryBytes, err := q.AppendQuery(q.db.fmter, q.db.makeQueryBytes())
+ if err != nil {
+ return nil, err
+ }
+
+ query := internal.String(queryBytes)
+
+ res, err := q.exec(ctx, q, query)
+ if err != nil {
+ return nil, err
+ }
+
+ return res, nil
+}