summaryrefslogtreecommitdiff
path: root/sql/field.h
diff options
context:
space:
mode:
authorNikita Malyavin <nikitamalyavin@gmail.com>2021-03-24 01:02:26 +0300
committerNikita Malyavin <nikitamalyavin@gmail.com>2021-04-08 17:56:31 +0300
commit365cc8e5fd86d522b620436359793bea62c7567e (patch)
tree061830eceec4b85d89c1d8eee309ce3c7135e73a /sql/field.h
parent6e7e772d780b23066307c307c45c552f5bf3d5dd (diff)
downloadmariadb-git-bb-10.2-purge-debug-sync.tar.gz
MDEV-24583 SELECT aborts after failed REPLACE into table with vcolbb-10.2-purge-debug-sync
table->move_fields wasn't undone in case of error. 1. move_fields is unconditionally undone even when error is occurred 2. cherry-pick an assertion in `ptr_in_record`, which is already in 10.5
Diffstat (limited to 'sql/field.h')
-rw-r--r--sql/field.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/sql/field.h b/sql/field.h
index 18e44f1d9d4..f63fb670211 100644
--- a/sql/field.h
+++ b/sql/field.h
@@ -972,8 +972,9 @@ public:
virtual void reset_fields() {}
const uchar *ptr_in_record(const uchar *record) const
{
- my_ptrdiff_t l_offset= (my_ptrdiff_t) (record - table->record[0]);
- return ptr + l_offset;
+ my_ptrdiff_t l_offset= (my_ptrdiff_t) (ptr - table->record[0]);
+ DBUG_ASSERT(l_offset >= 0 && table->s->rec_buff_length - l_offset > 0);
+ return record + l_offset;
}
virtual int set_default();