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Updated/added copyright headers

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This commit is contained in:
Kent Boortz 2011-07-04 01:25:49 +02:00
commit 789aa8c485
140 changed files with 3201 additions and 1574 deletions
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30
sql/sql_update.cc
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@ -1071,17 +1071,27 @@ bool unsafe_key_update(TABLE_LIST *leaves, table_map tables_for_update)
return true;
}
if (primkey_clustered &&
(bitmap_is_set(table1->write_set, table1->s->primary_key) ||
bitmap_is_set(table2->write_set, table2->s->primary_key)))
if (primkey_clustered)
{
// Clustered primary key is updated
my_error(ER_MULTI_UPDATE_KEY_CONFLICT, MYF(0),
tl->belong_to_view ? tl->belong_to_view->alias
: tl->alias,
tl2->belong_to_view ? tl2->belong_to_view->alias
: tl2->alias);
return true;
// The primary key can cover multiple columns
KEY key_info= table1->key_info[table1->s->primary_key];
KEY_PART_INFO *key_part= key_info.key_part;
KEY_PART_INFO *key_part_end= key_part + key_info.key_parts;
for (;key_part != key_part_end; ++key_part)
{
if (bitmap_is_set(table1->write_set, key_part->fieldnr-1) ||
bitmap_is_set(table2->write_set, key_part->fieldnr-1))
{
// Clustered primary key is updated
my_error(ER_MULTI_UPDATE_KEY_CONFLICT, MYF(0),
tl->belong_to_view ? tl->belong_to_view->alias
: tl->alias,
tl2->belong_to_view ? tl2->belong_to_view->alias
: tl2->alias);
return true;
}
}
}
}
}