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MDEV-17841 S3 storage engine

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A read-only storage engine that stores it's data in (aws) S3

To store data in S3 one could use ALTER TABLE:
ALTER TABLE table_name ENGINE=S3

libmarias3 integration done by Sergei Golubchik
libmarias3 created by Andrew Hutchings
This commit is contained in:
Monty
2019-04-15 18:16:02 +03:00
parent 2ca2dcac6a
commit ab38b7511b
66 changed files with 4392 additions and 214 deletions
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103
mysql-test/suite/s3/basic.result Normal file
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drop table if exists t1;
#
# Test simple create of s3 table
#
create or replace table t1 (a int, b int, key (a)) engine=aria;
insert into t1 select seq,seq+10 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,
KEY `a` (`a`)
) ENGINE=S3 DEFAULT CHARSET=latin1 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 33 335872 # 122880 0 NULL # # # latin1_swedish_ci NULL page_checksum=1 9007199254732800 #
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 33 335872 # 122880 0 NULL # # # latin1_swedish_ci NULL page_checksum=1 # N
select * from t1 limit 10;
a b
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select count(*) from t1;
count(*)
10000
select * from t1 where a between 10 and 20;
a b
10 20
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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
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,
KEY `a` (`a`)
) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=1
select * from t1 limit 10;
a b
1 11
2 12
3 13
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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_pagecache_age_threshold X
s3_pagecache_buffer_size X
s3_pagecache_division_limit X
s3_pagecache_file_hash_size X
s3_region X
s3_secret_key X
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