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View Code? Open in Web Editor NEWA High Scalability Middle-ware for MySQL Sharding
Home Page: https://opensource.actionsky.com
License: GNU General Public License v2.0
A High Scalability Middle-ware for MySQL Sharding
Home Page: https://opensource.actionsky.com
License: GNU General Public License v2.0
Raised by: @yanhuqing666
Steps:
As titled.
Relates:
MyCATApache/Mycat-Server#1195 pull request involved this issue
Raised by: @sevenFH
Steps:
insert into district (d_w_id, number, name) values (001,2,'aaa'),(002,3,'bbb');
ERROR 1064 (HY000): ChildTable multi insert not provided
Raised by: @sevenFH
Steps:
select avg(data) as avg1,avg(data) as avg_data from test1;
avg1
value is correct, while avg_data
value miss its dotRaised by: @sevenFH
As titled.
SQL: select ... from ... order by colunm2,id
Raised by: @sevenFH
As titled.
Raised by: @sevenFH
As titled.
Raised by: @sevenFH
Steps:
select * from aly_test group by id having count(*) >= 1;
select * from aly_test group by id;
. having clause is missing.Raised by: @yanhuqing666
data consistency may fail between data-nodes in implicit transaction
Raised by: helingyun
Steps:
select * from xxx where id=?
Raised by: @yanhuqing666
Steps:
Global table with consistency check, query update with where in (char_column)
Relates:
MyCATApache/Mycat-Server#1319
Analysis:
Parser doesn't override toString()
of where
Raised by: @zhunina
Steps:
create table binary_columns(
id int primary key,
c_binary binary(255)
);
load data local infile '/opt/loaddata/binary_columns' into table binary_columns fields terminated by ',' lines terminated by '\r\n' (id,c_binary);
id=19
: c_binary
is '000000000...000', while '' was expectedRaised by: @FlyingMao
Steps:
function event(thread_id)
local table_name
local a=sb_rand(1, oltp_table_size-1)
local b=a+1
table_name = "sbtest".. sb_rand_uniform(1, oltp_tables_count)
rs = db_query("SELECT max(pad) from " .. table_name .. " where id between " .. a .. " and " ..b)
end
Raised by: @FlyingMao
Steps:
set isolation
in data-node's general logRaised by: @FlyingMao
Steps:
set lower_case_table_names=0
CREATE TABLE sbtest1 (
id int(10) unsigned NOT NULL,
k int(10) unsigned NOT NULL DEFAULT '0',
c char(120) NOT NULL DEFAULT '',
pad int(11) NOT NULL,
PRIMARY KEY (id),
KEY k_1 (k)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
insert into sbtest1 values (1,1,1,1),(2,2,2,2);
Error 1064(HY000):can't find table [SBTEST1] define in schema:sbtest
Raised by: @sevenFH
Steps:
global_table
ERROR 1064 (HY000): op table not in schema----GLOBAL_TABLE DROP|ADD|CHANGE
alter table global_table drop name; //drop column
alter table global_table add name1 char(10); //add column
alter table global_table change name name char(15); //alter column type
alter table global_table change name name1 varchar(10); //update column name
alter table global_table drop index global_table_inx; //drop index
Raised by: @sevenFH
Steps:
date_patch
, whose id
is date type.select max(id) from date_patch
twice, returns
select min(id) from date_patch
twice, returns
Raised by: @FlyingMao
Steps:
select sum(id) from sbtest1 where id between a and a+3;
(a is random number between 1-50000000)./sysbench --test=/usr/local/sysbench-1.0/db/select32.lua --mysql-user=test --mysql-password=test --mysql-port=8066 --mysql-host=10.186.23.70 --oltp_auto_inc=off --max-time=300 --max-requests=0 --report-interval=10 --num-threads=1 run
Error in Java :double free or cprruption(out):0x00007fcc9c121360
Raised by: @sevenFH
Steps:
select id,count(id) 'ids' from test1;
Raised by: @yanhuqing666
As titled.
Raised by: @zhunina
Steps:
create table sbtest1(id int,name varchar(8),p_id int primary key auto_increment);
id
GLOBAL.HISIDS=
GLOBAL.MINID=10001
GLOBAL.MAXID=20000
GLOBAL.CURID=10000
insert into sbtest1(id,name,p_id) values(1,'a',next value for MYCATSEQ_GLOBAL);
(1,‘a’,10001)
insert into sbtest1(id,name,p_id) values(2,'a',next value for MYCATSEQ_GLOBAL),(3,'a',next value for MYCATSEQ_GLOBAL),(4,'a',next value for MYCATSEQ_GLOBAL);
(2,'a',10002),(3,'a',10002),(4,'a',10002)
, which is not correctExpectation:
Step 5 should give increment values of global sequence.
Raised by: @sevenFH
Steps:
p_id
, sub sharding-key is f_id
, sub join-key is f_id
begin
insert into parent_table (p_id, name, f_id) values ('008','aaa','008'); //add data to parent
insert into child_table (d_id, name, c_id) values (4,'aaa','008'); //add data to sub
Raised by: @sunsun314
As titled.
Raised by: @yanhuqing666
Refer:
Raised by: @FlyingMao
Steps:
create table aly_test (orderID int(11),R_REGIONKEY int(11) primary key,R_NAME varchar(50),R_COMMENT varchar(50));
insert into aly_test (orderID,R_REGIONKEY,R_NAME,R_COMMENT) values (1,1, 'Eastern','test001'),(3,3, 'Northern','test003'),(2,2, 'Western','test002'),(4,4, 'Southern','test004');
alter table aly_test engine=INNODB;
begin;
update aly_test set R_COMMENT='25-989-741-4444' where orderID=1;
select * from aly_test;
commit;
Log:
From general log:
set autocommit=0
before updateset autocommit=0
before selectautocommit=0
Raised by: @sevenFH
Steps:
mysql> begin;
Query OK, 0 rows affected (0.00 sec)
mysql> update parent_table set name = 'hhh' where f_id='001';
Query OK, 1 row affected (0.00 sec)
Rows matched: 0 Changed: 0 Warnings: 0
mysql> exit
mysql> select trx_id,trx_mysql_thread_id,trx_state from information_schema.INNODB_TRX;
+---------+---------------------+-----------+
| trx_id | trx_mysql_thread_id | trx_state |
+---------+---------------------+-----------+
| 1324669 | 314 | RUNNING |
| 1324668 | 316 | RUNNING |
+---------+---------------------+-----------+
2 rows in set (0.00 sec)
mysql> update parent_table set name = 'hhh' where f_id='002';
ERROR 1205 (HY000): Lock wait timeout exceeded; try restarting transaction
This issue is internal, and will not be migrated.
Raised by: @yanhuqing666
Steps:
Global table with consistency check, query insert ...on duplicate...
, when there is duplication,
_mycat_op_time
isn't updated.
Raised by: @yanhuqing666
As titled.
Raised by: @sunsun314
if alter column is sharding column or join column, alter should be disabled with error message.
Steps:
set session transaction isolation level READ UNCOMMITTED;
select * from sbtest1;
tx_isolation
is set successfullyselect @@session.tx_isolation;
REPEATABLE-READ
READ UNCOMMITTED
Raised by: @sevenFH
As titled.
Raised by: @yanhuqing666
Route could be calculated by meta data of data-nodes
Raised by: @ditdb
Dble is handling only COM_QUERY
of management commands.
Raised by: @sevenFH
Steps:
create view view1 as select * from fixed_patch_uniform;
ERROR 1064 (HY000): op table not in schema----VIEW
Raised by: @sevenFH
Effects:
Raised by: @sevenFH
Log:
2016-12-16 14:50:14.061 WARN [$_NIOREACTOR-1-RW] (io.mycat.server.ServerConnection.routeEndExecuteSQL(ServerConnection.java:299)) - ServerConnection [id=1, schema=TESTDB, host=10.186.23.12, user=test,txIsolation=3, autocommit=true, schema=TESTDB]insert into enum_patch_integer values (1,1,'computer') err:java.sql.SQLNonTransientException: bad insert sql (sharding column:ID not provided,INSERT INTO enum_patch_integer
VALUES (1, 1, 'computer')
java.sql.SQLNonTransientException: bad insert sql (sharding column:ID not provided,INSERT INTO enum_patch_integer
VALUES (1, 1, 'computer')
at io.mycat.route.parser.druid.impl.DruidInsertParser.parserSingleInsert(DruidInsertParser.java:162) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.route.parser.druid.impl.DruidInsertParser.statementParse(DruidInsertParser.java:70) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.route.parser.druid.impl.DefaultDruidParser.parser(DefaultDruidParser.java:64) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.route.impl.DruidMycatRouteStrategy.routeNormalSqlWithAST(DruidMycatRouteStrategy.java:79) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.route.impl.AbstractRouteStrategy.route(AbstractRouteStrategy.java:81) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.route.RouteService.route(RouteService.java:133) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.server.ServerConnection.routeEndExecuteSQL(ServerConnection.java:291) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.server.ServerConnection.execute(ServerConnection.java:240) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.server.ServerQueryHandler.query(ServerQueryHandler.java:144) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.net.FrontendConnection.query(FrontendConnection.java:324) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.net.FrontendConnection.query(FrontendConnection.java:344) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.net.handler.FrontendCommandHandler.handle(FrontendCommandHandler.java:71) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.net.FrontendConnection.rawHandle(FrontendConnection.java:500) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.net.FrontendConnection.handle(FrontendConnection.java:482) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.net.AbstractConnection.onReadData(AbstractConnection.java:322) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.net.NIOSocketWR.asynRead(NIOSocketWR.java:190) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.net.AbstractConnection.asynRead(AbstractConnection.java:274) ~[Action_Mycat-0.2.1-DEV.jar:?]
at io.mycat.net.NIOReactor$RW.run(NIOReactor.java:102) ~[Action_Mycat-0.2.1-DEV.jar:?]
at java.lang.Thread.run(Thread.java:745) [?:1.7.0_79]
This issue is internal, and will not be migrated.
Raised by: @FlyingMao
Steps:
lock table sbtest1 read;
select * from sbtest2;
select * from sbtest2;
unlock tables;
select * from sbtest2;
Error 1105(HY000):MySQL Error Packet{Length=56,id=1}
Analysis:
Data-node general log shows there is a rollback after first select.
Raised by: @sevenFH
As titled.
Raised by: @sevenFH
As titled.
Raised by: @yanhuqing666
Steps:
Calculating routes of between A and B
, A is of data-node a, B is of data-node b, and a index is no less than b index, the routes result is wrong.
Raised by: @sevenFH
Raised by: @yanhuqing666
Steps:
Enable XA, XA commands are sent to data-node, but dble doesn't receive ack of XA commands.
Raised by: @zhunina
Steps:
create table set_columns(
id int primary key,
c_set set('s','m','x')
);
return error: ERROR 1064 (HY000): error SET
Log:
2016-12-09 11:26:40,556 [WARN ][$_NIOREACTOR-3-RW] ServerConnection [id=1, schema=TESTDB, host=10.186.21.74, user=test,txIsolation=3, autocommit=true, schema=TESTDB]create table set_columns(
INFO | jvm 1 | 2016/12/09 11:26:40 | id int primary key,
INFO | jvm 1 | 2016/12/09 11:26:40 | c_set set('s','m','x')
INFO | jvm 1 | 2016/12/09 11:26:40 | ) err:com.alibaba.druid.sql.parser.ParserException: error SET com.alibaba.druid.sql.parser.ParserException: error SET
INFO | jvm 1 | 2016/12/09 11:26:40 | at com.alibaba.druid.sql.parser.SQLExprParser.name(SQLExprParser.java:974)
INFO | jvm 1 | 2016/12/09 11:26:40 | at com.alibaba.druid.sql.parser.SQLExprParser.parseDataType(SQLExprParser.java:1624)
INFO | jvm 1 | 2016/12/09 11:26:40 | at com.alibaba.druid.sql.dialect.mysql.parser.MySqlExprParser.parseColumn(MySqlExprParser.java:537)
INFO | jvm 1 | 2016/12/09 11:26:40 | at com.alibaba.druid.sql.dialect.mysql.parser.MySqlCreateTableParser.parseCrateTable(MySqlCreateTableParser.java:114)
INFO | jvm 1 | 2016/12/09 11:26:40 | at com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser.parseCreate(MySqlStatementParser.java:342)
INFO | jvm 1 | 2016/12/09 11:26:40 | at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatementList(SQLStatementParser.java:194)
INFO | jvm 1 | 2016/12/09 11:26:40 | at com.alibaba.druid.sql.parser.SQLStatementParser.parseStatement(SQLStatementParser.java:2065)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.server.interceptor.impl.GlobalTableUtil.handleDDLSQL(GlobalTableUtil.java:127)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.server.interceptor.impl.GlobalTableUtil.consistencyInterceptor(GlobalTableUtil.java:100)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.server.interceptor.impl.GlobalTableUtil.interceptSQL(GlobalTableUtil.java:83)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.server.interceptor.impl.DefaultSqlInterceptor.interceptSQL(DefaultSqlInterceptor.java:56)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.route.impl.AbstractRouteStrategy.route(AbstractRouteStrategy.java:43)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.route.RouteService.route(RouteService.java:133)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.server.ServerConnection.routeEndExecuteSQL(ServerConnection.java:273)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.server.ServerConnection.execute(ServerConnection.java:222)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.server.ServerQueryHandler.query(ServerQueryHandler.java:136)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.net.FrontendConnection.query(FrontendConnection.java:317)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.net.FrontendConnection.query(FrontendConnection.java:337)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.net.handler.FrontendCommandHandler.handle(FrontendCommandHandler.java:71)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.net.FrontendConnection.rawHandle(FrontendConnection.java:478)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.net.FrontendConnection.handle(FrontendConnection.java:460)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.net.AbstractConnection.onReadData(AbstractConnection.java:321)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.net.NIOSocketWR.asynRead(NIOSocketWR.java:190)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.net.AbstractConnection.asynRead(AbstractConnection.java:273)
INFO | jvm 1 | 2016/12/09 11:26:40 | at io.mycat.net.NIOReactor$RW.run(NIOReactor.java:102)
INFO | jvm 1 | 2016/12/09 11:26:40 | at java.lang.Thread.run(Thread.java:722)
INFO | jvm 1 | 2016/12/09 11:26:40 | (io.mycat.server.ServerConnection:ServerConnection.java:281)
Raised by: @FlyingMao
As titled.
Raised by: @sunsun314
schemas works find with dble case-sensitive settings, except user schema which is specified when login.
This issue is internal, and will not be migrated.
Raised by: @yanhuqing666
Steps:
mysql> select * from char_columns;
+----+--------+
| id | c_char |
+----+--------+
| 1 | 512 |
+----+--------+
1 row in set (0.01 sec)
mysql> select min(id) from char_columns;
+------+
| MIN0 |
+------+
| 0 |
+------+
1 row in set (0.01 sec)
Raised by: @sevenFH
As titled.
Raised by: helingyun
Steps:
case1 : select a.k from test1 a inner join test2 b where a.k = b.k limit 4000000
case2 : select a.k from test1 a inner join test2 b where a.k = b.k limit 100
* Command:
./sysbench --test=../db/select.lua --mysql-table-engine=innodb --mysql-user=action --mysql-password=action --mysql-port=8066 --mysql-host=10.186.17.107 --mysql-db=hly_test --max-requests=0 --max-time=120 --oltp-tables-count=2 --report-interval=1 --oltp-nontrx-mode=select --oltp-table-size=50000000 --num-threads=512 run
Case1 found:
Case2 works find
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