diff options
Diffstat (limited to 'sql/ha_myisammrg.cc')
| -rw-r--r-- | sql/ha_myisammrg.cc | 76 |
1 files changed, 63 insertions, 13 deletions
diff --git a/sql/ha_myisammrg.cc b/sql/ha_myisammrg.cc index c35bf657445..4398aaecf4d 100644 --- a/sql/ha_myisammrg.cc +++ b/sql/ha_myisammrg.cc @@ -160,6 +160,16 @@ int ha_myisammrg::index_last(byte * buf) return error; } +int ha_myisammrg::index_next_same(byte * buf, + const byte *key __attribute__((unused)), + uint length __attribute__((unused))) +{ + statistic_increment(ha_read_next_count,&LOCK_status); + int error=myrg_rnext_same(file,buf); + table->status=error ? STATUS_NOT_FOUND: 0; + return error; +} + int ha_myisammrg::rnd_init(bool scan) { return myrg_extra(file,HA_EXTRA_RESET,0); @@ -187,6 +197,19 @@ void ha_myisammrg::position(const byte *record) ha_store_ptr(ref, ref_length, (my_off_t) position); } +ha_rows ha_myisammrg::records_in_range(int inx, + const byte *start_key,uint start_key_len, + enum ha_rkey_function start_search_flag, + const byte *end_key,uint end_key_len, + enum ha_rkey_function end_search_flag) +{ + return (ha_rows) myrg_records_in_range(file, + inx, + start_key,start_key_len, + start_search_flag, + end_key,end_key_len, + end_search_flag); +} void ha_myisammrg::info(uint flag) { @@ -262,13 +285,15 @@ THR_LOCK_DATA **ha_myisammrg::store_lock(THD *thd, THR_LOCK_DATA **to, enum thr_lock_type lock_type) { - MYRG_TABLE *table; + MYRG_TABLE *open_table; - for (table=file->open_tables ; table != file->end_table ; table++) + for (open_table=file->open_tables ; + open_table != file->end_table ; + open_table++) { - *(to++)= &table->table->lock; - if (lock_type != TL_IGNORE && table->table->lock.type == TL_UNLOCK) - table->table->lock.type=lock_type; + *(to++)= &open_table->table->lock; + if (lock_type != TL_IGNORE && open_table->table->lock.type == TL_UNLOCK) + open_table->table->lock.type=lock_type; } return to; } @@ -279,14 +304,16 @@ void ha_myisammrg::update_create_info(HA_CREATE_INFO *create_info) DBUG_ENTER("ha_myisammrg::update_create_info"); if (!(create_info->used_fields & HA_CREATE_USED_UNION)) { - MYRG_TABLE *table; + MYRG_TABLE *open_table; THD *thd=current_thd; create_info->merge_list.next= &create_info->merge_list.first; create_info->merge_list.elements=0; - for (table=file->open_tables ; table != file->end_table ; table++) + for (open_table=file->open_tables ; + open_table != file->end_table ; + open_table++) { - char *name=table->table->filename; + char *name=open_table->table->filename; char buff[FN_REFLEN]; TABLE_LIST *ptr; if (!(ptr = (TABLE_LIST *) thd->calloc(sizeof(TABLE_LIST)))) @@ -323,7 +350,28 @@ int ha_myisammrg::create(const char *name, register TABLE *form, sizeof(char*)))) DBUG_RETURN(1); for (pos=table_names ; tables ; tables=tables->next) - *pos++= tables->real_name; + { + char *table_name; + if (create_info->options & HA_LEX_CREATE_TMP_TABLE) + { + TABLE **tbl=find_temporary_table(current_thd, + tables->db, tables->real_name); + if (!tbl) + { + table_name=sql_alloc(1+ + my_snprintf(buff,FN_REFLEN,"%s/%s/%s",mysql_real_data_home, + tables->db, tables->real_name)); + if (!table_name) + DBUG_RETURN(1); + strcpy(table_name, buff); + } + else + table_name=(*tbl)->path; + } + else + table_name=tables->real_name; + *pos++= table_name; + } *pos=0; DBUG_RETURN(myrg_create(fn_format(buff,name,"","",2+4+16), (const char **) table_names, @@ -340,13 +388,15 @@ void ha_myisammrg::append_create_info(String *packet) packet->append(get_type(&merge_insert_method,file->merge_insert_method-1)); } packet->append(" UNION=(",8); - MYRG_TABLE *table,*first; + MYRG_TABLE *open_table,*first; - for (first=table=file->open_tables ; table != file->end_table ; table++) + for (first=open_table=file->open_tables ; + open_table != file->end_table ; + open_table++) { - char *name=table->table->filename; + char *name= open_table->table->filename; fn_format(buff,name,"","",3); - if (table != first) + if (open_table != first) packet->append(','); packet->append(buff,(uint) strlen(buff)); } |