diff options
Diffstat (limited to 'vendor/github.com/uptrace/bun/query_column_add.go')
-rw-r--r-- | vendor/github.com/uptrace/bun/query_column_add.go | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/vendor/github.com/uptrace/bun/query_column_add.go b/vendor/github.com/uptrace/bun/query_column_add.go new file mode 100644 index 000000000..ce2f60bf0 --- /dev/null +++ b/vendor/github.com/uptrace/bun/query_column_add.go @@ -0,0 +1,105 @@ +package bun + +import ( + "context" + "database/sql" + "fmt" + + "github.com/uptrace/bun/internal" + "github.com/uptrace/bun/schema" +) + +type AddColumnQuery struct { + baseQuery +} + +func NewAddColumnQuery(db *DB) *AddColumnQuery { + q := &AddColumnQuery{ + baseQuery: baseQuery{ + db: db, + conn: db.DB, + }, + } + return q +} + +func (q *AddColumnQuery) Conn(db IConn) *AddColumnQuery { + q.setConn(db) + return q +} + +func (q *AddColumnQuery) Model(model interface{}) *AddColumnQuery { + q.setTableModel(model) + return q +} + +//------------------------------------------------------------------------------ + +func (q *AddColumnQuery) Table(tables ...string) *AddColumnQuery { + for _, table := range tables { + q.addTable(schema.UnsafeIdent(table)) + } + return q +} + +func (q *AddColumnQuery) TableExpr(query string, args ...interface{}) *AddColumnQuery { + q.addTable(schema.SafeQuery(query, args)) + return q +} + +func (q *AddColumnQuery) ModelTableExpr(query string, args ...interface{}) *AddColumnQuery { + q.modelTable = schema.SafeQuery(query, args) + return q +} + +//------------------------------------------------------------------------------ + +func (q *AddColumnQuery) ColumnExpr(query string, args ...interface{}) *AddColumnQuery { + q.addColumn(schema.SafeQuery(query, args)) + return q +} + +//------------------------------------------------------------------------------ + +func (q *AddColumnQuery) AppendQuery(fmter schema.Formatter, b []byte) (_ []byte, err error) { + if q.err != nil { + return nil, q.err + } + if len(q.columns) != 1 { + return nil, fmt.Errorf("bun: AddColumnQuery requires exactly one column") + } + + b = append(b, "ALTER TABLE "...) + + b, err = q.appendFirstTable(fmter, b) + if err != nil { + return nil, err + } + + b = append(b, " ADD "...) + + b, err = q.columns[0].AppendQuery(fmter, b) + if err != nil { + return nil, err + } + + return b, nil +} + +//------------------------------------------------------------------------------ + +func (q *AddColumnQuery) 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 +} |