drop table if exists t1;
## Creating new table ##
CREATE TABLE t1
(
name varchar(30)
);
'#--------------------FN_DYNVARS_018_01-------------------------#'
## 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 ## 
## 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 ##
unlock tables;
## deleting record to create hole in table ## 
DELETE from t1 where name ='Record_2';
'#--------------------FN_DYNVARS_018_02-------------------------#'
'#--------------------FN_DYNVARS_018_03-------------------------#'
## lock table and connect with connection1 ##
lock table t1 read local;
## 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_3
Record_4
Record_5
SELECT @@concurrent_insert;
@@concurrent_insert
2
## Switching to default connection ##
## Unlocking table ##
unlock tables;
SELECT * from t1;
name
Record_1
Record_3
Record_4
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_6
Record_3
Record_4
Record_5
## connection test_con1 ##
DELETE from t1 where name ='Record_3';
SELECT * from t1;
name
Record_1
Record_6
Record_4
Record_5
## Dropping table ##
DROP table t1;
## Disconnecting connection ##