| Module | Sequel::MySQL::Dataset::CallableStatementMethods | 
| In: | lib/sequel/adapters/mysql.rb | 
Methods to add to MySQL prepared statement calls without using a real database prepared statement and bound variables.
Extend given dataset with this module so subselects inside subselects in prepared statements work.
     # File lib/sequel/adapters/mysql.rb, line 257
257:         def subselect_sql(ds)
258:           ps = ds.to_prepared_statement(:select)
259:           ps.extend(CallableStatementMethods)
260:           ps = ps.bind(@opts[:bind_vars]) if @opts[:bind_vars]
261:           ps.prepared_args = prepared_args
262:           ps.prepared_sql
263:         end