MDEV-15626 Assertion on update virtual column in partitioned table

table.cc:
  virtual columns must be computed for INSERT, if they're part
  of the partitioning expression.

this change broke gcol.gcol_partition_innodb.
fix CHECK TABLE for partitioned tables and vcols.

sql_partition.cc:
  mark prerequisite base columns in full_part_field_set
ha_partition.cc
  initialize vcol_set accordingly

1 files changed, 8 insertions, 1 deletions

diff --git a/sql/sql_partition.cc b/sql/sql_partition.cc
index 536c436475f..4c91f781c2e 100644
--- a/sql/sql_partition.cc
+++ b/sql/sql_partition.cc
@@ -614,9 +614,16 @@ static bool create_full_part_field_array(THD *thd, TABLE *table,
     full_part_field_array may be NULL if storage engine supports native
     partitioning.
   */
+  table->vcol_set= table->read_set= &part_info->full_part_field_set;
   if ((ptr= part_info->full_part_field_array))
     for (; *ptr; ptr++)
-      bitmap_set_bit(&part_info->full_part_field_set, (*ptr)->field_index);
+    {
+      if ((*ptr)->vcol_info)
+        table->mark_virtual_col(*ptr);
+      else
+        bitmap_fast_test_and_set(table->read_set, (*ptr)->field_index);
+    }
+  table->default_column_bitmaps();
 
 end:
   DBUG_RETURN(result);