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Fix for bug #4508 "CONVERT_TZ() function with new time zone as param crashes server".

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Instead of trying to open time zone tables during calculation of CONVERT_TZ() function
or setting of @@time_zone variable we should open and lock them with the rest of 
statement's table (so we should add them to global table list) and after that use such 
pre-opened tables for loading info about time zones.
This commit is contained in:
dlenev@brandersnatch.localdomain
2004-08-10 12:42:31 +04:00
parent bcbbfc3bb8
commit f49d4f5350
20 changed files with 314 additions and 198 deletions
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7
mysql-test/r/timezone2.result
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@@ -244,3 +244,10 @@ NULL
select convert_tz( NULL, 'MET', 'UTC');
convert_tz( NULL, 'MET', 'UTC')
NULL
create table t1 (ts timestamp);
set timestamp=1000000000;
insert into t1 (ts) values (now());
select convert_tz(ts, @@time_zone, 'Japan') from t1;
convert_tz(ts, @@time_zone, 'Japan')
2001-09-09 10:46:40
drop table t1;