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Bug#31590: Wrong error message on sort buffer being too small.

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The out of memory error was thrown when the sort buffer size were too small.
This led to a user confusion.

Now filesort throws the error message about sort buffer being too small.


mysql-test/t/order_by.test:
  Added a test case for the bug#31590: Wrong error message on sort buffer being too small.
mysql-test/r/order_by.result:
  Added a test case for the bug#31590: Wrong error message on sort buffer being too small.
sql/filesort.cc:
  Bug#31590: Wrong error message on sort buffer being too small.
  Now filesort throws the error message about sort buffer being too small
  instead of out of memory error.
This commit is contained in:
unknown 2008-02-08 13:35:00 +03:00
commit d8eab97693
3 changed files with 25 additions and 2 deletions
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3
sql/filesort.cc
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@ -215,8 +215,7 @@ ha_rows filesort(THD *thd, TABLE *table, SORT_FIELD *sortorder, uint s_length,
sort_keys= table_sort.sort_keys;
if (memavl < min_sort_memory)
{
my_error(ER_OUTOFMEMORY,MYF(ME_ERROR+ME_WAITTANG),
thd->variables.sortbuff_size);
my_error(ER_OUT_OF_SORTMEMORY,MYF(ME_ERROR+ME_WAITTANG));
goto err;
}
if (open_cached_file(&buffpek_pointers,mysql_tmpdir,TEMP_PREFIX,