ha_partition.cc, ha_partition.h:

  bug fixed
partition_pruning.result:
  test fixed


mysql-test/r/partition_pruning.result:
  test fixed
sql/ha_partition.cc:
  bug fixed
sql/ha_partition.h:
  bug fixed

1 files changed, 14 insertions, 1 deletions

diff --git a/sql/ha_partition.cc b/sql/ha_partition.cc
index 6521be1cb9a..326b8b2d43b 100644
--- a/sql/ha_partition.cc
+++ b/sql/ha_partition.cc
@@ -3216,9 +3216,14 @@ end_dont_reset_start_part:
 
 void ha_partition::position(const uchar *record)
 {
-  handler *file= m_file[m_last_part];
+  handler *file;
   DBUG_ENTER("ha_partition::position");
 
+  if (unlikely(get_part_for_delete(record, m_rec0, m_part_info, &m_last_part)))
+    m_last_part= 0;
+
+  file= m_file[m_last_part];
+
   file->position(record);
   int2store(ref, m_last_part);
   memcpy((ref + PARTITION_BYTES_IN_POS), file->ref,
@@ -3233,6 +3238,14 @@ void ha_partition::position(const uchar *record)
   DBUG_VOID_RETURN;
 }
 
+
+void ha_partition::column_bitmaps_signal()
+{
+    handler::column_bitmaps_signal();
+    bitmap_union(table->read_set, &m_part_info->full_part_field_set);
+}
+ 
+
 /*
   Read row using position