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authormonty@donna.mysql.fi <>2001-03-24 20:15:14 +0200
committermonty@donna.mysql.fi <>2001-03-24 20:15:14 +0200
commitaa115733800a27fb5ba1f9dd9a3f05b1ec8ec445 (patch)
treee705394f8291c4c2268717e3fb70734414d0f1d9 /sql/sql_select.cc
parent2531f38803ff6804d6b195cb4f52cc55365435ed (diff)
downloadmariadb-git-aa115733800a27fb5ba1f9dd9a3f05b1ec8ec445.tar.gz
Added defines for fast mutex in glibc 2.2 (should be safe)
Fixed crash in SELECT DISTINCT SUM(...) Fix return value of mysortncmp() for innobase Fix join_crash bug
Diffstat (limited to 'sql/sql_select.cc')
-rw-r--r--sql/sql_select.cc6
1 files changed, 4 insertions, 2 deletions
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 1aa6d1b8ff3..720226033e6 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -712,7 +712,7 @@ mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &fields,COND *conds,
}
if (tmp_table->distinct)
- select_distinct=0; /* Each row is uniq */
+ select_distinct=0; /* Each row is unique */
join_free(&join); /* Free quick selects */
if (select_distinct && ! group)
@@ -3635,7 +3635,8 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
in the first 'hidden_null_pack_length' bytes of the row.
*/
null_pack_length-=hidden_null_pack_length;
- keyinfo->key_parts=field_count+ test(null_pack_length);
+ keyinfo->key_parts= ((field_count-hidden_field_count)+
+ test(null_pack_length));
if (allow_distinct_limit)
{
set_if_smaller(table->max_rows,thd->select_limit);
@@ -3673,6 +3674,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
key_part_info->type= HA_KEYTYPE_BINARY;
key_part_info++;
}
+ /* Create a distinct key over the columns we are going to return */
for (i=param->hidden_field_count, reg_field=table->field + i ;
i < field_count;
i++, reg_field++, key_part_info++)