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authorunknown <ram@gw.mysql.r18.ru>2004-11-06 09:37:30 +0400
committerunknown <ram@gw.mysql.r18.ru>2004-11-06 09:37:30 +0400
commit3f07afbea005900c185a769ea23381f1bba0ef23 (patch)
tree324e143b46603ed4b13ab4f03ecb13557bb73a3a /sql/sql_udf.h
parentb38510ecd00abbfc99d7767d4b91c8d4d1cfbdc0 (diff)
downloadmariadb-git-3f07afbea005900c185a769ea23381f1bba0ef23.tar.gz
A fix (bug #6441: Aggregate UDF in multi-table query crashes MySQL when returning multiple rows).
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.
Diffstat (limited to 'sql/sql_udf.h')
-rw-r--r--sql/sql_udf.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sql/sql_udf.h b/sql/sql_udf.h
index 7b10b80f148..d1f99a6d232 100644
--- a/sql/sql_udf.h
+++ b/sql/sql_udf.h
@@ -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 : "?"; }