Error Code 1308. Leave With No Matching Label
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Asplund Email Updates: Status: Duplicate Impact on me: None Category:MySQL Server: Stored Routines Severity:S2 (Serious) Version:5.0.38 OS:Any Assigned to: Marc Alff View Add Comment Files Developer Edit Submission View
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Progress Log Contributions [10 May 2007 11:04] Tobias Asplund Description: See testcase How try catch in mysql stored procedure to repeat: DROP PROCEDURE IF EXISTS bugsp; DROP TABLE IF EXISTS bugt1; CREATE TABLE bugt1 ( a INT PRIMARY mysql get diagnostics in stored procedure KEY ); DELIMITER // CREATE PROCEDURE bugsp (IN v INT) BEGIN foo: LOOP BEGIN DECLARE CONTINUE HANDLER FOR SQLSTATE '23000' ITERATE foo; SET v = v + 1; INSERT INTO bugt1 (a) VALUES http://dev.mysql.com/doc/en/declare-handler.html (v - 1); LEAVE foo; END; END LOOP foo; SELECT * FROM bugt1; END; // DELIMITER ; CALL bugsp(1); CALL bugsp(1); CALL bugsp(1); CALL bugsp(1); -- Calling this procedure 4 times, should produce the outputs: -- 1 -- 1,2 -- 1,2,3 -- 1,2,3,4 -- But it stops after 3 iterations for some reason. [10 May 2007 11:05] Tobias Asplund This becomes even more strange if you http://bugs.mysql.com/28349 try it on 5.1, just creating the procedure fails... mysql> CREATE PROCEDURE bugsp (IN v INT) -> BEGIN -> foo: LOOP -> BEGIN -> DECLARE CONTINUE HANDLER FOR SQLSTATE '23000' -> ITERATE foo; -> -> SET v = v + 1; -> INSERT INTO bugt1 (a) VALUES (v - 1); -> LEAVE foo; -> END; -> END LOOP foo; -> SELECT * FROM bugt1; -> END; -> // ERROR 1308 (42000): ITERATE with no matching label: foo [10 May 2007 12:53] Hartmut Holzgraefe i'm getting the same 3 iterations result with 5.0.37, and the same 1308: ITERATE with no matching label: foo error message as you got on 5.1 with latest 5.0bk so something seems to have changed after 5.0.38 ... [10 May 2007 12:53] Hartmut Holzgraefe mysqltest test caseAttachment: bug28349.tgz (application/x-gtar, text), 799 bytes.
[22 May 2007 1:19] Marc Alff This is not a bug. The SQL code in the report is illegal per the SQL spec, and is now rejected with the error : 1308: ITERATE with no matching label: foo, starting with 5.0.40 (where related bug#26503 was fixed). The error in this case is the expected result, this is not a liArticles Forums Bugs Forge Planet MySQL Labs Documentation Library Table of Contents MySQL 5.4 Reference Manual MySQL 5.1 Reference Manual MySQL 5.0 Reference http://mysql.localhost.net.ar/doc/refman/5.1/en/declare-handler.html Manual MySQL 3.23/4.0/4.1 Manual Search manual: Additional languages MySQL 5.1 Reference Manual :: 12 SQL Statement Syntax :: 12.8 MySQL Compound-Statement Syntax :: 12.8.4 Conditions and Handlers :: http://www.cmi.ac.in/~Madhavan/courses/databases10/mysql-5.0-reference-manual/stored-procedures.html 12.8.4.2 DECLARE for Handlers « 12.8.4.1 DECLARE for Conditions 12.8.5 Cursors » Section Navigation [Toggle] 12.8.4 Conditions and Handlers12.8.4.1 DECLARE for Conditions 12.8.4.2 DECLARE for Handlers 12.8.4.2. DECLARE in mysql for Handlers DECLARE handler_type HANDLER FOR condition_value [, condition_value] ... statement handler_type: CONTINUE | EXIT | UNDO condition_value: SQLSTATE [VALUE] sqlstate_value | condition_name | SQLWARNING | NOT FOUND | SQLEXCEPTION | mysql_error_code The DECLARE ... HANDLER statement specifies handlers that each may deal with one or more conditions. If one of these conditions occurs, the specified in mysql stored statement is executed. statement can be a simple statement (for example, SET var_name = value), or it can be a compound statement written using BEGIN and END (see Section 12.8.1, “BEGIN ... END Compound Statement Syntax”). For a CONTINUE handler, execution of the current program continues after execution of the handler statement. For an EXIT handler, execution terminates for the BEGIN ... END compound statement in which the handler is declared. (This is true even if the condition occurs in an inner block.) The UNDO handler type statement is not supported. If a condition occurs for which no handler has been declared, the default action is EXIT. A condition_value for DECLARE ... HANDLER can be any of the following values: An SQLSTATE value (a 5-character string literal) or a MySQL error code (a number). You should not use SQLSTATE value '00000' or MySQL error code 0, because those indicate sucess rather than an error condition. For a list of SQLSTATE values and MySQL error codes, see Sect
and CREATE FUNCTION Syntax21.2.3. ALTER PROCEDURE and ALTER FUNCTION Syntax21.2.4. DROP FUNCTION Syntax21.2.5. DROP PROCEDURE and DROP FUNCTION Syntax21.2.6. CALL Statement Syntax21.2.7. BEGIN ... END Compound Statement Syntax21.2.8. DECLARE Statement Syntax21.2.9. Variables in Stored Routines21.2.10. Conditions and Handlers21.2.11. Cursors21.2.12. Flow Control Constructs21.2.13. RETURN Statement Syntax21.3. Stored Procedures, Functions, Triggers, and LAST_INSERT_ID()21.4. Binary Logging of Stored Routines and Triggers Stored routines (procedures and functions) are supported in MySQL 5.0. A stored procedure is a set of SQL statements that can be stored in the server. Once this has been done, clients don't need to keep reissuing the individual statements but can refer to the stored procedure instead. Answers to some questions that are commonly asked regarding stored routines in MySQL can be found in Section A.4, “MySQL 5.0 FAQ — Stored Procedures”. MySQL Enterprise For expert advice on using stored procedures and functions subscribe to the MySQL Enterprise Monitor. For more information, see http://www.mysql.com/products/enterprise/advisors.html. Some situations where stored routines can be particularly useful: When multiple client applications are written in different languages or work on different platforms, but need to perform the same database operations. When security is paramount. Banks, for example, use stored procedures and functions for all common operations. This provides a consistent and secure environment, and routines can ensure that each operation is properly logged. In such a setup, applications and users would have no access to the database tables directly, but can only execute specific stored routines. Stored routines can provide improved performance because less information needs to be sent between the server and the client. The tradeoff is that this does increase the load on the database server because more of the work is done on the server side and less is done on the client (application) side. Consider this if many client machines (such as Web servers) are serviced by only one or a few database servers. Stored routines also allow you to have libraries of functions in the database server. This is a feature shared b