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New multi-table-update code

New (simpler) internal timestamp handling.
More debuging to heap tables.
Small cleanups to multi-table-delete
false -> 0 and true -> 1  (We should use TRUE and FALSE)
This commit is contained in:
monty@mashka.mysql.fi
2002-11-29 16:40:18 +02:00
parent fa7798596d
commit 6603d75213
29 changed files with 776 additions and 636 deletions

View File

@ -41,7 +41,8 @@ static void unlink_blobs(register TABLE *table);
/*
Check if insert fields are correct
Resets form->time_stamp if a timestamp value is set
Updates table->time_stamp to point to timestamp field or 0, depending on
if timestamp should be updated or not.
*/
static int
@ -87,11 +88,12 @@ check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
my_error(ER_FIELD_SPECIFIED_TWICE,MYF(0), thd->dupp_field->field_name);
return -1;
}
table->time_stamp=0;
if (table->timestamp_field && // Don't set timestamp if used
table->timestamp_field->query_id == thd->query_id)
table->time_stamp=0; // This should be saved
table->timestamp_field->query_id != thd->query_id)
table->time_stamp= table->timestamp_field->offset()+1;
}
// For the values we need select_priv
// For the values we need select_priv
table->grant.want_privilege=(SELECT_ACL & ~table->grant.privilege);
return 0;
}
@ -105,7 +107,6 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
!(thd->master_access & SUPER_ACL));
bool transactional_table, log_delayed, bulk_insert=0;
uint value_count;
uint save_time_stamp;
ulong counter = 1;
ulonglong id;
COPY_INFO info;
@ -150,14 +151,10 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
DBUG_RETURN(-1);
thd->proc_info="init";
thd->used_tables=0;
save_time_stamp=table->time_stamp;
values= its++;
if (check_insert_fields(thd,table,fields,*values,1) ||
setup_tables(table_list) || setup_fields(thd,table_list,*values,0,0,0))
{
table->time_stamp=save_time_stamp;
goto abort;
}
value_count= values->elements;
while ((values = its++))
{
@ -167,14 +164,10 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
my_printf_error(ER_WRONG_VALUE_COUNT_ON_ROW,
ER(ER_WRONG_VALUE_COUNT_ON_ROW),
MYF(0),counter);
table->time_stamp=save_time_stamp;
goto abort;
}
if (setup_fields(thd,table_list,*values,0,0,0))
{
table->time_stamp=save_time_stamp;
goto abort;
}
}
its.rewind ();
/*
@ -333,7 +326,6 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
}
}
thd->proc_info="end";
table->time_stamp=save_time_stamp; // Restore auto timestamp ptr
table->next_number_field=0;
thd->count_cuted_fields=0;
thd->next_insert_id=0; // Reset this if wrongly used
@ -1287,7 +1279,6 @@ select_insert::prepare(List<Item> &values)
{
DBUG_ENTER("select_insert::prepare");
save_time_stamp=table->time_stamp;
if (check_insert_fields(thd,table,*fields,values,1))
DBUG_RETURN(1);
@ -1308,8 +1299,6 @@ select_insert::~select_insert()
{
if (table)
{
if (save_time_stamp)
table->time_stamp=save_time_stamp;
table->next_number_field=0;
table->file->extra(HA_EXTRA_RESET);
}
@ -1412,7 +1401,6 @@ select_create::prepare(List<Item> &values)
/* First field to copy */
field=table->field+table->fields - values.elements;
save_time_stamp=table->time_stamp;
if (table->timestamp_field) // Don't set timestamp if used
{
table->timestamp_field->set_time();