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Portablity fixes & simple optimizations

This commit is contained in:
monty@mysql.com
2004-08-24 18:00:45 +03:00
parent 3808e4a5cf
commit c44d4debfa
6 changed files with 31 additions and 17 deletions

View File

@ -3281,7 +3281,7 @@ copy_data_between_tables(TABLE *from,TABLE *to,
ha_rows *deleted)
{
int error;
Copy_field *copy,*copy_end, *next_field= 0;
Copy_field *copy,*copy_end;
ulong found_count,delete_count;
THD *thd= current_thd;
uint length;
@ -3291,6 +3291,7 @@ copy_data_between_tables(TABLE *from,TABLE *to,
List<Item> fields;
List<Item> all_fields;
ha_rows examined_rows;
bool auto_increment_field_copied= 0;
DBUG_ENTER("copy_data_between_tables");
if (!(copy= new Copy_field[to->fields]))
@ -3309,7 +3310,7 @@ copy_data_between_tables(TABLE *from,TABLE *to,
if (def->field)
{
if (*ptr == to->next_number_field)
next_field= copy_end;
auto_increment_field_copied= TRUE;
(copy_end++)->set(*ptr,def->field,0);
}
@ -3368,11 +3369,14 @@ copy_data_between_tables(TABLE *from,TABLE *to,
}
thd->row_count++;
if (to->next_number_field)
to->next_number_field->reset();
{
if (auto_increment_field_copied)
to->auto_increment_field_not_null= TRUE;
else
to->next_number_field->reset();
}
for (Copy_field *copy_ptr=copy ; copy_ptr != copy_end ; copy_ptr++)
{
if (copy_ptr == next_field)
to->auto_increment_field_not_null= TRUE;
copy_ptr->do_copy(copy_ptr);
}
if ((error=to->file->write_row((byte*) to->record[0])))