6 commits

Author	SHA1	Message	Date
pem@mysql.com	2578564725	Added IF EXISTS to DROP PROCEDURE|FUNCTION. ... Changed another unecessary use of Item_string into LEX_STRING (in sp_pcontext).	2003-03-26 12:29:58 +01:00
pem@mysql.com	58d3dda33f	Added parsing of CASE (both generic and "simple").	2002-12-17 10:01:52 +01:00
pem@mysql.com	b1593c9a69	Fixed the broken backpatching implementation. ... Implemented IF-THEN-ELSE.	2002-12-16 15:40:44 +01:00
pem@mysql.com	77b671f594	Moved create/find/drop functions to a separate files (sp.cc,sp.h). ... Fixed backpatching of forward jumps. Implemented LOOP, WHILE, REPEAT (temporarily known as SPREPEAT). Known bug: Expression evaluation still not quite ok (e.g. "x > 0"), which is why IF and CASE is not yet implemented.	2002-12-12 13:14:23 +01:00
pem@mysql.com	f0137bcd68	Fixed bugs in the parameter evaluation and modified the execution engine ... for better jump support. Some flow control support added too (but not complete).	2002-12-11 14:24:29 +01:00
pem@mysql.com	aae07a4d45	Simplistic, experimental framework for Stored Procedures (SPs). ... Implements creation and dropping of PROCEDUREs, IN, OUT, and INOUT parameters, single-statement procedures, rudimentary multi-statement (begin-end) prodedures (when the client can handle it), and local variables. Missing most of the embedded SQL language, all attributes, FUNCTIONs, error handling, reparses procedures at each call (no caching), etc, etc. Certainly buggy too, but procedures can actually be created and called....	2002-12-08 19:59:22 +01:00