diff options
Diffstat (limited to 'sql/field.cc')
| -rw-r--r-- | sql/field.cc | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/sql/field.cc b/sql/field.cc index 934816ba381..cb0b467f7ca 100644 --- a/sql/field.cc +++ b/sql/field.cc @@ -70,7 +70,7 @@ const char field_separator=','; ((ulong) ((LL(1) << min(arg, 4) * 8) - LL(1))) #define ASSERT_COLUMN_MARKED_FOR_READ DBUG_ASSERT(!table || (!table->read_set || bitmap_is_set(table->read_set, field_index))) -#define ASSERT_COLUMN_MARKED_FOR_WRITE_OR_COMPUTED DBUG_ASSERT(!table || (!table->write_set || bitmap_is_set(table->write_set, field_index) || bitmap_is_set(table->vcol_set, field_index))) +#define ASSERT_COLUMN_MARKED_FOR_WRITE_OR_COMPUTED DBUG_ASSERT(is_stat_field || !table || (!table->write_set || bitmap_is_set(table->write_set, field_index) || bitmap_is_set(table->vcol_set, field_index))) /* Rules for merging different types of fields in UNION @@ -1330,7 +1330,8 @@ Field::Field(uchar *ptr_arg,uint32 length_arg,uchar *null_ptr_arg, flags=null_ptr ? 0: NOT_NULL_FLAG; comment.str= (char*) ""; comment.length=0; - field_index= 0; + field_index= 0; + is_stat_field= FALSE; } @@ -1817,6 +1818,21 @@ Field *Field::clone(MEM_ROOT *root, struct st_table *new_table) } + +Field *Field::clone(MEM_ROOT *root, TABLE *new_table, my_ptrdiff_t diff, + bool stat_flag) +{ + Field *tmp; + if ((tmp= (Field*) memdup_root(root,(char*) this,size_of()))) + { + tmp->init(new_table); + tmp->move_field_offset(diff); + } + tmp->is_stat_field= stat_flag; + return tmp; +} + + /**************************************************************************** Field_null, a field that always return NULL ****************************************************************************/ |