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create sys_var::val_str(), sys_var::val_int(), sys_var::val_real().

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Change Item_func_get_system_var::val_xxx functions to use that.

mysql-test/t/variables.test:
  @@GLOBAL.INIT_CONNECT is never NULL anymore. Nor it ever was.
  It was a bug that empty string system variables appeared as NULL
  in the *integer context* (but not in a string, real, or decimal context!)
This commit is contained in:
Sergei Golubchik
2013-04-09 23:27:19 +02:00
parent eda4c51241
commit 7d3288129f
6 changed files with 127 additions and 196 deletions
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10
mysql-test/r/variables.result
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@@ -1479,16 +1479,6 @@ SELECT @@GLOBAL.server_id;
@@GLOBAL.server_id
0
SET GLOBAL server_id = @old_server_id;
SELECT @@GLOBAL.INIT_CONNECT, @@GLOBAL.INIT_CONNECT IS NULL;
@@GLOBAL.INIT_CONNECT @@GLOBAL.INIT_CONNECT IS NULL
1
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES ();
SET @bug42778= @@sql_safe_updates;
SET @@sql_safe_updates= 0;
DELETE FROM t1 ORDER BY (@@GLOBAL.INIT_CONNECT) ASC LIMIT 10;
SET @@sql_safe_updates= @bug42778;
DROP TABLE t1;
#
# BUG#10206 - InnoDB: Transaction requiring Max_BinLog_Cache_size > 4GB always rollsback
#