database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

Fixed a bug in key optimizing handling where the expression

Browse Source 
WHERE column_name = key_column_name was calculated as true
for NULL values.


Docs/manual.texi:
  Changelog
mysql-test/r/distinct.result:
  Updated results caused by bug fix.
mysql-test/r/null_key.result:
  New tests
mysql-test/t/null_key.test:
  New tests
sql/sql_select.cc:
  Additional change for previous changeset for using BLOB in GROUP BY
This commit is contained in:
unknown
2002-10-14 17:04:12 +03:00
parent 61632073ac
commit a86c172f58
6 changed files with 79 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
mysql-test/r/distinct.result
View File

@ -128,7 +128,7 @@ a
1
table type possible_keys key key_len ref rows Extra
t1 index PRIMARY PRIMARY 4 NULL 2 Using index; Using temporary
t3 ref a a 5 t1.a 10 Using index; Distinct
t3 ref a a 5 t1.a 10 where used; Using index; Distinct
a
1
2