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CREATE TABLE valid_values (value varchar(255)) ENGINE=myisam;
INSERT INTO valid_values VALUES(1);
INSERT INTO valid_values VALUES(1024);
CREATE TABLE invalid_values (value varchar(255)) ENGINE=myisam;
INSERT INTO invalid_values VALUES('\'aaa\'');
SET @start_global_value = @@global.ROCKSDB_LOCK_WAIT_TIMEOUT;
SELECT @start_global_value;
@start_global_value
1
SET @start_session_value = @@session.ROCKSDB_LOCK_WAIT_TIMEOUT;
SELECT @start_session_value;
@start_session_value
1
'# Setting to valid values in global scope#'
"Trying to set variable @@global.ROCKSDB_LOCK_WAIT_TIMEOUT to 1"
SET @@global.ROCKSDB_LOCK_WAIT_TIMEOUT = 1;
SELECT @@global.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@global.ROCKSDB_LOCK_WAIT_TIMEOUT
1
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_LOCK_WAIT_TIMEOUT = DEFAULT;
SELECT @@global.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@global.ROCKSDB_LOCK_WAIT_TIMEOUT
1
"Trying to set variable @@global.ROCKSDB_LOCK_WAIT_TIMEOUT to 1024"
SET @@global.ROCKSDB_LOCK_WAIT_TIMEOUT = 1024;
SELECT @@global.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@global.ROCKSDB_LOCK_WAIT_TIMEOUT
1024
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_LOCK_WAIT_TIMEOUT = DEFAULT;
SELECT @@global.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@global.ROCKSDB_LOCK_WAIT_TIMEOUT
1
'# Setting to valid values in session scope#'
"Trying to set variable @@session.ROCKSDB_LOCK_WAIT_TIMEOUT to 1"
SET @@session.ROCKSDB_LOCK_WAIT_TIMEOUT = 1;
SELECT @@session.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@session.ROCKSDB_LOCK_WAIT_TIMEOUT
1
"Setting the session scope variable back to default"
SET @@session.ROCKSDB_LOCK_WAIT_TIMEOUT = DEFAULT;
SELECT @@session.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@session.ROCKSDB_LOCK_WAIT_TIMEOUT
1
"Trying to set variable @@session.ROCKSDB_LOCK_WAIT_TIMEOUT to 1024"
SET @@session.ROCKSDB_LOCK_WAIT_TIMEOUT = 1024;
SELECT @@session.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@session.ROCKSDB_LOCK_WAIT_TIMEOUT
1024
"Setting the session scope variable back to default"
SET @@session.ROCKSDB_LOCK_WAIT_TIMEOUT = DEFAULT;
SELECT @@session.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@session.ROCKSDB_LOCK_WAIT_TIMEOUT
1
'# Testing with invalid values in global scope #'
"Trying to set variable @@global.ROCKSDB_LOCK_WAIT_TIMEOUT to 'aaa'"
SET @@global.ROCKSDB_LOCK_WAIT_TIMEOUT = 'aaa';
Got one of the listed errors
SELECT @@global.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@global.ROCKSDB_LOCK_WAIT_TIMEOUT
1
SET @@global.ROCKSDB_LOCK_WAIT_TIMEOUT = @start_global_value;
SELECT @@global.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@global.ROCKSDB_LOCK_WAIT_TIMEOUT
1
SET @@session.ROCKSDB_LOCK_WAIT_TIMEOUT = @start_session_value;
SELECT @@session.ROCKSDB_LOCK_WAIT_TIMEOUT;
@@session.ROCKSDB_LOCK_WAIT_TIMEOUT
1
DROP TABLE valid_values;
DROP TABLE invalid_values;
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