question: public Query execute ( PageContext pc , SQL sql , int maxrows , int fetchsize , TimeSpan timeout ) throws PageException { Stopwatch stopwatch = new Stopwatch ( Stopwatch . UNIT_NANO ) ; stopwatch . start ( ) ; String prettySQL = null ; Selects selects = null ; try { SelectParser parser = new SelectParser ( ) ; selects = parser . parse ( sql . getSQLString ( ) ) ; Query q = qoq . execute ( pc , sql , selects , maxrows ) ; q . setExecutionTime ( stopwatch . time ( ) ) ; return q ; } catch ( SQLParserException spe ) { prettySQL = SQLPrettyfier . prettyfie ( sql . getSQLString ( ) ) ; try { Query query = executer . execute ( pc , sql , prettySQL , maxrows ) ; query . setExecutionTime ( stopwatch . time ( ) ) ; return query ; } catch ( PageException ex ) { } } catch ( PageException e ) { } try { boolean isUnion = false ; Set < String > tables = null ; if ( selects != null ) { HSQLUtil2 hsql2 = new HSQLUtil2 ( selects ) ; isUnion = hsql2 . isUnion ( ) ; tables = hsql2 . getInvokedTables ( ) ; } else { if ( prettySQL == null ) prettySQL = SQLPrettyfier . prettyfie ( sql . getSQLString ( ) ) ; HSQLUtil hsql = new HSQLUtil ( prettySQL ) ; tables = hsql . getInvokedTables ( ) ; isUnion = hsql . isUnion ( ) ; } String strSQL = StringUtil . replace ( sql . getSQLString ( ) , "[" , "" , false ) ; strSQL = StringUtil . replace ( strSQL , "]" , "" , false ) ; sql . setSQLString ( strSQL ) ; return _execute ( pc , sql , maxrows , fetchsize , timeout , stopwatch , tables , isUnion ) ; } catch ( ParseException e ) { throw new DatabaseException ( e . getMessage ( ) , null , sql , null ) ; } }
target:  executes a query on the queries inside the cld fusion enviroment