database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

A fix for a bug which hits the optimiser when trying to group keys

Browse Source 
for a seemingly impoosbile conds in WHERE....

This crashed MySQL in 4.0.2


Docs/manual.texi:
  A fix for a bug which hits the optimiser when trying to group keys
  for a seemingly impoosbile conds in WHERE....
mysql-test/r/select.result:
  A fix for a bug which hits the optimiser when trying to group keys
  for a seemingly impoosbile conds in WHERE....
mysql-test/t/select.test:
  A fix for a bug which hits the optimiser when trying to group keys
  for a seemingly impoosbile conds in WHERE....
sql/opt_range.cc:
  A fix for a bug which hits the optimiser when trying to group keys
  for a seemingly impoosbile conds in WHERE....
This commit is contained in:
unknown
2002-06-15 14:56:35 +03:00
parent 52eab5dca2
commit 451a5e510b
4 changed files with 18 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
sql/opt_range.cc
View File

@ -1291,7 +1291,7 @@ and_all_keys(SEL_ARG *key1,SEL_ARG *key2,uint clone_flag)
}
if (key1->type == SEL_ARG::MAYBE_KEY)
{
key1->left= &null_element; key1->next=0;
key1->right=key1->left= &null_element; key1->next=key1->prev=0;
}
for (next=key1->first(); next ; next=next->next)
{