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-rw-r--r--sql/sql_base.cc14
1 files changed, 4 insertions, 10 deletions
diff --git a/sql/sql_base.cc b/sql/sql_base.cc
index 3dd5a7bfcc5..e810d5fc091 100644
--- a/sql/sql_base.cc
+++ b/sql/sql_base.cc
@@ -5764,7 +5764,7 @@ static void update_field_dependencies(THD *thd, Field *field, TABLE *table)
DBUG_ENTER("update_field_dependencies");
if (thd->mark_used_columns != MARK_COLUMNS_NONE)
{
- MY_BITMAP *current_bitmap, *other_bitmap;
+ MY_BITMAP *bitmap;
/*
We always want to register the used keys, as the column bitmap may have
@@ -5775,15 +5775,9 @@ static void update_field_dependencies(THD *thd, Field *field, TABLE *table)
table->merge_keys.merge(field->part_of_key);
if (thd->mark_used_columns == MARK_COLUMNS_READ)
- {
- current_bitmap= table->read_set;
- other_bitmap= table->write_set;
- }
+ bitmap= table->read_set;
else
- {
- current_bitmap= table->write_set;
- other_bitmap= table->read_set;
- }
+ bitmap= table->write_set;
/*
The test-and-set mechanism in the bitmap is not reliable during
@@ -5792,7 +5786,7 @@ static void update_field_dependencies(THD *thd, Field *field, TABLE *table)
only those columns that are used in the SET clause. I.e they are being
set here. See multi_update::prepare()
*/
- if (bitmap_fast_test_and_set(current_bitmap, field->field_index))
+ if (bitmap_fast_test_and_set(bitmap, field->field_index))
{
if (thd->mark_used_columns == MARK_COLUMNS_WRITE)
{