drop table if exists t1; # # Test simple create of s3 table # create or replace table t1 (a int, b int, c varchar(1000), key (a), key(c)) engine=aria; insert into t1 select seq, seq+10, repeat(char(65+ mod(seq, 20)),mod(seq,1000)) from seq_1_to_10000; alter table t1 engine=s3; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, `c` varchar(1000) DEFAULT NULL, KEY `a` (`a`), KEY `c` (`c`) ) ENGINE=S3 DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 select * from information_schema.tables where table_schema="database" and table_name="t1";; TABLE_CATALOG TABLE_SCHEMA TABLE_NAME TABLE_TYPE ENGINE VERSION ROW_FORMAT TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE AUTO_INCREMENT CREATE_TIME UPDATE_TIME CHECK_TIME TABLE_COLLATION CHECKSUM CREATE_OPTIONS TABLE_COMMENT MAX_INDEX_LENGTH TEMPORARY def # t1 BASE TABLE S3 10 Page 10000 567 5677056 # 761856 0 NULL # # # latin1_swedish_ci NULL page_checksum=1 2305843009213685760 # show table status like "t1"; Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment Max_index_length Temporary t1 S3 10 Page 10000 567 5677056 # 761856 0 NULL # # # latin1_swedish_ci NULL page_checksum=1 # N select a,b from t1 limit 10; a b 1 11 2 12 3 13 4 14 5 15 6 16 7 17 8 18 9 19 10 20 select count(*) from t1; count(*) 10000 select a,b from t1 where a between 10 and 20; a b 10 20 11 21 12 22 13 23 14 24 15 25 16 26 17 27 18 28 19 29 20 30 explain select * from t1 where a between 10 and 20; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range a a 5 NULL # Using index condition insert into t1 values (1,1); ERROR HY000: Table 't1' is read only update t1 set b=100 where a=1; ERROR HY000: Table 't1' is read only delete from t1 where a>10; ERROR HY000: Table 't1' is read only # # Analyze, repair, optimize and check table # set @@use_stat_tables='never'; truncate mysql.table_stats; check table t1 fast; Table Op Msg_type Msg_text database.t1 check status Table is already up to date check table t1 quick; Table Op Msg_type Msg_text database.t1 check status OK check table t1 extended; Table Op Msg_type Msg_text database.t1 check status OK analyze table t1; Table Op Msg_type Msg_text database.t1 analyze status Table 'database.t1' is read only analyze table t1 persistent for all; Table Op Msg_type Msg_text database.t1 analyze status Table 'database.t1' is read only database.t1 analyze status Engine-independent statistics collected database.t1 analyze status OK repair table t1; Table Op Msg_type Msg_text database.t1 repair Error Table 't1' is read only database.t1 repair status Operation failed optimize table t1; Table Op Msg_type Msg_text database.t1 optimize Error Table 't1' is read only database.t1 optimize status Operation failed select * from mysql.table_stats; db_name table_name cardinality database t1 10000 # # Converting table back to Aria # alter table t1 engine=aria; show create table t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL, `b` int(11) DEFAULT NULL, `c` varchar(1000) DEFAULT NULL, KEY `a` (`a`), KEY `c` (`c`) ) ENGINE=Aria DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci PAGE_CHECKSUM=1 select a,b from t1 limit 10; a b 1 11 2 12 3 13 4 14 5 15 6 16 7 17 8 18 9 19 10 20 select count(*) from t1; count(*) 10000 delete from t1 where a=1; drop table t1; # # status # show variables like "s3%"; Variable_name Value s3_access_key X s3_block_size X s3_bucket X s3_debug X s3_host_name X s3_pagecache_age_threshold X s3_pagecache_buffer_size X s3_pagecache_division_limit X s3_pagecache_file_hash_size X s3_port X s3_protocol_version X s3_region X s3_replicate_alter_as_create_select X s3_secret_key X s3_slave_ignore_updates X s3_use_http X show variables like "s3_slave%"; Variable_name Value s3_slave_ignore_updates OFF show variables like "s3_replicate%"; Variable_name Value s3_replicate_alter_as_create_select ON show status like "s3%"; Variable_name Value S3_pagecache_blocks_not_flushed X S3_pagecache_blocks_unused X S3_pagecache_blocks_used X S3_pagecache_read_requests X S3_pagecache_reads X