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 (bug #6441: Aggregate UDF in multi-table query crashes MySQL when returning multiple rows).

Browse Source 
sql/item_func.cc:
  A fix (bug #6441: Aggregate UDF in multi-table query crashes MySQL when returning multiple rows).
  Do nothing in the udf_handler destructor if not_original flag is set.
sql/item_sum.h:
  A fix (bug #6441: Aggregate UDF in multi-table query crashes MySQL when returning multiple rows).
  Set udf.not_original flag if we create an Item from the existent one.
sql/sql_udf.h:
  A fix (bug #6441: Aggregate UDF in multi-table query crashes MySQL when returning multiple rows).
  not_original flag added.
This commit is contained in:
unknown
2004-11-06 09:37:30 +04:00
parent b38510ecd0
commit 3f07afbea0
3 changed files with 14 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
sql/sql_udf.h
View File

@ -56,8 +56,9 @@ class udf_handler :public Sql_alloc
public:
table_map used_tables_cache;
bool const_item_cache;
bool not_original;
udf_handler(udf_func *udf_arg) :u_d(udf_arg), buffers(0), error(0),
is_null(0), initialized(0)
is_null(0), initialized(0), not_original(0)
{}
~udf_handler();
const char *name() const { return u_d ? u_d->name.str : "?"; }