• Dmitry Lenev's avatar
    Part of fix for bug#52044 "FLUSH TABLES WITH READ LOCK and · a6c00c27
    Dmitry Lenev authored
    FLUSH TABLES <list> WITH READ LOCK are incompatible" to
    be pushed as separate patch.
    
    Replaced thread state name "Waiting for table", which was
    used by threads waiting for a metadata lock or table flush, 
    with a set of names which better reflect types of resources
    being waited for.
    
    Also replaced "Table lock" thread state name, which was used 
    by threads waiting on thr_lock.c table level lock, with more
    elaborate "Waiting for table level lock", to make it 
    more consistent with other thread state names.
    
    Updated test cases and their results according to these 
    changes.
    
    Fixed sys_vars.query_cache_wlock_invalidate_func test to not
    to wait for timeout of wait_condition.inc script.
    a6c00c27
concurrent_insert_func.result 2.69 KB
DROP TABLE IF EXISTS t1;
## Creating new table ##
CREATE TABLE t1
(
name VARCHAR(30)
);
'#--------------------FN_DYNVARS_018_01-------------------------#'
SET @start_value= @@global.concurrent_insert;
## Setting initial value of variable to 1 ##
SET @@global.concurrent_insert = 1;
INSERT INTO t1(name) VALUES('Record_1');
INSERT INTO t1(name) VALUES('Record_2');
INSERT INTO t1(name) VALUES('Record_3');
## locking table ##
LOCK TABLE t1 READ LOCAL;
## Creating new connection to insert some rows in table ##
connection test_con1;
## New records should come at the end of all rows ##
INSERT INTO t1(name) VALUES('Record_4');
SELECT * FROM t1;
name
Record_1
Record_2
Record_3
Record_4
## unlocking tables ##
connection default;
UNLOCK TABLES;
## deleting record to create hole in table ##
DELETE FROM t1 WHERE name ='Record_2';
'#--------------------FN_DYNVARS_018_02-------------------------#'
LOCK TABLE t1 READ LOCAL;
connection test_con1;
SET @@global.concurrent_insert=1;
## send INSERT which should be blocked until unlock of the table ##
INSERT INTO t1(name) VALUES('Record_7');
connection default;
## show processlist info and state ##
SELECT state,info FROM INFORMATION_SCHEMA.PROCESSLIST
WHERE state= "Waiting for table level lock" AND info LIKE "INSERT INTO t1%";
state	info
Waiting for table level lock	INSERT INTO t1(name) VALUES('Record_7')
## table contents befor UNLOCK ##
SELECT * FROM t1;
name
Record_1
Record_3
Record_4
UNLOCK TABLES;
## table contens after UNLOCK ##
SELECT * FROM t1;
name
Record_1
Record_7
Record_3
Record_4
INSERT INTO t1(name) VALUES('Record_6');
connection test_con1;
SELECT * FROM t1;
name
Record_1
Record_7
Record_3
Record_4
Record_6
connection default;
'#--------------------FN_DYNVARS_018_03-------------------------#'
## lock table and connect with connection1 ##
LOCK TABLE t1 READ LOCAL;
connection test_con1;
## setting value of concurrent_insert to 2 ##
SET @@global.concurrent_insert=2;
## Inserting record in table, record should go at the end of the table ##
INSERT INTO t1(name) VALUES('Record_5');
SELECT * FROM t1;
name
Record_1
Record_7
Record_3
Record_4
Record_6
Record_5
SELECT @@concurrent_insert;
@@concurrent_insert
ALWAYS
connection default;
## Unlocking table ##
UNLOCK TABLES;
SELECT * FROM t1;
name
Record_1
Record_7
Record_3
Record_4
Record_6
Record_5
## Inserting new row, this should go in the hole ##
INSERT INTO t1(name) VALUES('Record_6');
SELECT * FROM t1;
name
Record_1
Record_7
Record_3
Record_4
Record_6
Record_5
Record_6
## connection test_con1 ##
DELETE FROM t1 WHERE name ='Record_3';
SELECT * FROM t1;
name
Record_1
Record_7
Record_4
Record_6
Record_5
Record_6
## Dropping table ##
DROP TABLE t1;
## Disconnecting connection ##
SET @@global.concurrent_insert= @start_value;