diff options
Diffstat (limited to 'sql/sql_table.cc')
| -rw-r--r-- | sql/sql_table.cc | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/sql/sql_table.cc b/sql/sql_table.cc index 37506d11867..f530af33e48 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -3426,111 +3426,6 @@ make_unique_key_name(const char *field_name,KEY *start,KEY *end) /**************************************************************************** -** Create table from a list of fields and items -****************************************************************************/ - -TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info, - TABLE_LIST *create_table, - List<create_field> *extra_fields, - List<Key> *keys, - List<Item> *items, - MYSQL_LOCK **lock, - TABLEOP_HOOKS *hooks) -{ - TABLE tmp_table; // Used during 'create_field()' - TABLE_SHARE share; - TABLE *table= 0; - uint select_field_count= items->elements; - /* Add selected items to field list */ - List_iterator_fast<Item> it(*items); - Item *item; - Field *tmp_field; - bool not_used; - DBUG_ENTER("create_table_from_items"); - - tmp_table.alias= 0; - tmp_table.timestamp_field= 0; - tmp_table.s= &share; - init_tmp_table_share(&share, "", 0, "", ""); - - tmp_table.s->db_create_options=0; - tmp_table.s->blob_ptr_size= portable_sizeof_char_ptr; - tmp_table.s->db_low_byte_first= - test(create_info->db_type == &myisam_hton || - create_info->db_type == &heap_hton); - tmp_table.null_row=tmp_table.maybe_null=0; - - while ((item=it++)) - { - create_field *cr_field; - Field *field; - if (item->type() == Item::FUNC_ITEM) - field=item->tmp_table_field(&tmp_table); - else - field=create_tmp_field(thd, &tmp_table, item, item->type(), - (Item ***) 0, &tmp_field, 0, 0, 0, 0, 0); - if (!field || - !(cr_field=new create_field(field,(item->type() == Item::FIELD_ITEM ? - ((Item_field *)item)->field : - (Field*) 0)))) - DBUG_RETURN(0); - if (item->maybe_null) - cr_field->flags &= ~NOT_NULL_FLAG; - extra_fields->push_back(cr_field); - } - /* - create and lock table - - We don't log the statement, it will be logged later. - - If this is a HEAP table, the automatic DELETE FROM which is written to the - binlog when a HEAP table is opened for the first time since startup, must - not be written: 1) it would be wrong (imagine we're in CREATE SELECT: we - don't want to delete from it) 2) it would be written before the CREATE - TABLE, which is a wrong order. So we keep binary logging disabled when we - open_table(). - TODO: create and open should be done atomic ! - */ - { - tmp_disable_binlog(thd); - if (!mysql_create_table(thd, create_table->db, create_table->table_name, - create_info, *extra_fields, *keys, 0, - select_field_count)) - { - if (! (table= open_table(thd, create_table, thd->mem_root, (bool*) 0, - MYSQL_LOCK_IGNORE_FLUSH))) - quick_rm_table(create_info->db_type, create_table->db, - table_case_name(create_info, create_table->table_name)); - } - reenable_binlog(thd); - if (!table) // open failed - DBUG_RETURN(0); - } - - /* - FIXME: What happens if trigger manages to be created while we are - obtaining this lock ? May be it is sensible just to disable - trigger execution in this case ? Or will MYSQL_LOCK_IGNORE_FLUSH - save us from that ? - */ - table->reginfo.lock_type=TL_WRITE; - hooks->prelock(&table, 1); // Call prelock hooks - if (! ((*lock)= mysql_lock_tables(thd, &table, 1, - MYSQL_LOCK_IGNORE_FLUSH, ¬_used))) - { - VOID(pthread_mutex_lock(&LOCK_open)); - hash_delete(&open_cache,(byte*) table); - VOID(pthread_mutex_unlock(&LOCK_open)); - quick_rm_table(create_info->db_type, create_table->db, - table_case_name(create_info, create_table->table_name)); - DBUG_RETURN(0); - } - table->file->extra(HA_EXTRA_WRITE_CACHE); - DBUG_RETURN(table); -} - - -/**************************************************************************** ** Alter a table definition ****************************************************************************/ |