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Fix for BUG#18828 - If InnoDB runs out of undo slots,

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it returns misleading 'table is full'

Innodb returns a misleading error message "table is full" 
when the number of active concurrent transactions is greater
than 1024.

Fixed by adding errorcode "ER_TOO_MANY_CONCURRENT_TRXS" to the
error codes. Innodb should return HA_TOO_MANY_CONCURRENT_TRXS
to mysql which is then mapped to ER_TOO_MANY_CONCURRENT_TRXS


Note: testcase is not written as this was reproducible only by
      changing innodb code.
This commit is contained in:
Satya B
2009-07-17 14:13:53 +05:30
parent 2f58197d04
commit cbce1f5e69
5 changed files with 10 additions and 12 deletions
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4
sql/handler.cc
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@ -426,6 +426,7 @@ static int ha_init_errors(void)
SETMSG(HA_ERR_TABLE_READONLY, ER(ER_OPEN_AS_READONLY));
SETMSG(HA_ERR_AUTOINC_READ_FAILED, ER(ER_AUTOINC_READ_FAILED));
SETMSG(HA_ERR_AUTOINC_ERANGE, ER(ER_WARN_DATA_OUT_OF_RANGE));
SETMSG(HA_ERR_TOO_MANY_CONCURRENT_TRXS, ER(ER_TOO_MANY_CONCURRENT_TRXS));
/* Register the error messages for use with my_error(). */
return my_error_register(errmsgs, HA_ERR_FIRST, HA_ERR_LAST);
@ -1927,6 +1928,9 @@ void handler::print_error(int error, myf errflag)
case HA_ERR_AUTOINC_ERANGE:
textno= ER_WARN_DATA_OUT_OF_RANGE;
break;
case HA_ERR_TOO_MANY_CONCURRENT_TRXS:
textno= ER_TOO_MANY_CONCURRENT_TRXS;
break;
default:
{
/* The error was "unknown" to this function.