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d5fd452d7c
WL#2265 (RESIGNAL) Manual merge of SIGNAL and RESIGNAL to mysql-trunk-signal, plus required dependencies.
198 lines
3.8 KiB
Plaintext
198 lines
3.8 KiB
Plaintext
drop database if exists demo;
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create database demo;
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use demo;
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create procedure proc_top_a(p1 integer)
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begin
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## DECLARE CONTINUE HANDLER for SQLEXCEPTION, NOT FOUND
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begin
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end;
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select "Starting ...";
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call proc_middle_a(p1);
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select "The end";
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end
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$$
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create procedure proc_middle_a(p1 integer)
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begin
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DECLARE l integer;
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# without RESIGNAL:
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# Should be: DECLARE EXIT HANDLER for SQLEXCEPTION, NOT FOUND
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DECLARE EXIT HANDLER for 1 /* not sure how to handle exceptions */
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begin
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select "Oops ... now what ?";
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end;
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select "In prod_middle()";
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create temporary table t1(a integer, b integer);
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select GET_LOCK("user_mutex", 10) into l;
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insert into t1 set a = p1, b = p1;
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call proc_bottom_a(p1);
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select RELEASE_LOCK("user_mutex") into l;
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drop temporary table t1;
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end
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$$
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create procedure proc_bottom_a(p1 integer)
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begin
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select "In proc_bottom()";
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if (p1 = 1) then
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begin
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select "Doing something that works ...";
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select * from t1;
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end;
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end if;
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if (p1 = 2) then
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begin
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select "Doing something that fail (simulate an error) ...";
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drop table no_such_table;
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end;
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end if;
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if (p1 = 3) then
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begin
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select "Doing something that *SHOULD* works ...";
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select * from t1;
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end;
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end if;
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end
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$$
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call proc_top_a(1);
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Starting ...
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Starting ...
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In prod_middle()
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In prod_middle()
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In proc_bottom()
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In proc_bottom()
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Doing something that works ...
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Doing something that works ...
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a b
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1 1
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The end
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The end
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call proc_top_a(2);
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Starting ...
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Starting ...
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In prod_middle()
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In prod_middle()
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In proc_bottom()
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In proc_bottom()
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Doing something that fail (simulate an error) ...
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Doing something that fail (simulate an error) ...
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ERROR 42S02: Unknown table 'no_such_table'
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call proc_top_a(3);
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Starting ...
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Starting ...
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In prod_middle()
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In prod_middle()
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ERROR 42S01: Table 't1' already exists
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call proc_top_a(1);
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Starting ...
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Starting ...
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In prod_middle()
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In prod_middle()
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ERROR 42S01: Table 't1' already exists
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drop temporary table if exists t1;
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create procedure proc_top_b(p1 integer)
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begin
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select "Starting ...";
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call proc_middle_b(p1);
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select "The end";
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end
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$$
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create procedure proc_middle_b(p1 integer)
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begin
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DECLARE l integer;
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DECLARE EXIT HANDLER for SQLEXCEPTION, NOT FOUND
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begin
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begin
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DECLARE CONTINUE HANDLER for SQLEXCEPTION, NOT FOUND
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begin
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/* Ignore errors from the cleanup code */
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end;
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select "Doing cleanup !";
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select RELEASE_LOCK("user_mutex") into l;
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drop temporary table t1;
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end;
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RESIGNAL;
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end;
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select "In prod_middle()";
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create temporary table t1(a integer, b integer);
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select GET_LOCK("user_mutex", 10) into l;
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insert into t1 set a = p1, b = p1;
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call proc_bottom_b(p1);
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select RELEASE_LOCK("user_mutex") into l;
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drop temporary table t1;
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end
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$$
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create procedure proc_bottom_b(p1 integer)
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begin
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select "In proc_bottom()";
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if (p1 = 1) then
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begin
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select "Doing something that works ...";
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select * from t1;
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end;
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end if;
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if (p1 = 2) then
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begin
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select "Doing something that fail (simulate an error) ...";
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drop table no_such_table;
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end;
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end if;
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if (p1 = 3) then
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begin
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select "Doing something that *SHOULD* works ...";
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select * from t1;
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end;
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end if;
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end
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$$
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call proc_top_b(1);
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Starting ...
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Starting ...
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In prod_middle()
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In prod_middle()
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In proc_bottom()
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In proc_bottom()
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Doing something that works ...
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Doing something that works ...
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a b
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1 1
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The end
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The end
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call proc_top_b(2);
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Starting ...
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Starting ...
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In prod_middle()
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In prod_middle()
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In proc_bottom()
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In proc_bottom()
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Doing something that fail (simulate an error) ...
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Doing something that fail (simulate an error) ...
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Doing cleanup !
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Doing cleanup !
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ERROR 42S02: Unknown table 'no_such_table'
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call proc_top_b(3);
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Starting ...
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Starting ...
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In prod_middle()
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In prod_middle()
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In proc_bottom()
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In proc_bottom()
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Doing something that *SHOULD* works ...
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Doing something that *SHOULD* works ...
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a b
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3 3
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The end
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The end
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call proc_top_b(1);
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Starting ...
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Starting ...
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In prod_middle()
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In prod_middle()
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In proc_bottom()
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In proc_bottom()
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Doing something that works ...
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Doing something that works ...
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a b
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1 1
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The end
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The end
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drop database demo;
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