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Fix for bug#44860: ALTER TABLE on view crashes server

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Problem: executing queries like "ALTER TABLE view1;" we don't
check new view's name (which is not specified),
that leads to server crash.

Fix: do nothing (to be consistent with the behaviour for tables) 
in such cases.


mysql-test/r/view.result:
  Fix for bug#44860: ALTER TABLE on view crashes server
    - test result.
mysql-test/t/view.test:
  Fix for bug#44860: ALTER TABLE on view crashes server
    - test case.
sql/sql_rename.cc:
  Fix for bug#44860: ALTER TABLE on view crashes server
    - do_rename(): new view/table name must be specified, ASSERT() added.
sql/sql_table.cc:
  Fix for bug#44860: ALTER TABLE on view crashes server
    - mysql_alter_table(): renaming a view, check if new
  view name is specified.
This commit is contained in:
Ramil Kalimullin
2009-05-19 09:25:36 +05:00
parent d4be7dadb8
commit fb3e433d4e
4 changed files with 35 additions and 0 deletions
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2
sql/sql_rename.cc
View File

@@ -261,6 +261,8 @@ do_rename(THD *thd, TABLE_LIST *ren_table, char *new_db, char *new_table_name,
old_alias= ren_table->table_name;
new_alias= new_table_name;
}
DBUG_ASSERT(new_alias);
build_table_filename(name, sizeof(name),
new_db, new_alias, reg_ext, 0);
if (!access(name,F_OK))