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revert a suggested "optimization" that introduced a bug

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compilation error in mysys/my_getsystime.c fixed
some redundant code removed
sec_to_time, time_to_sec, from_unixtime, unix_timestamp, @@timestamp now
  use decimal, not double for numbers with a fractional part.
purge_master_logs_before_date() fixed
many bugs in corner cases fixed

mysys/my_getsystime.c:
  compilation failure fixed
sql/sql_parse.cc:
  don't cut corners. it backfires.
This commit is contained in:
Sergei Golubchik
2011-06-06 20:28:15 +02:00
parent c1a92f9cae
commit 4d128777dd
67 changed files with 1557 additions and 1111 deletions
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6
sql/sql_parse.cc
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@ -2332,11 +2332,7 @@ mysql_execute_command(THD *thd)
goto error;
}
it= new Item_func_unix_timestamp(it);
/*
it is OK only emulate fix_fieds, because we need only
value of constant
*/
it->quick_fix_field();
it->fix_fields(thd, &it);
res = purge_master_logs_before_date(thd, (ulong)it->val_int());
break;
}