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CREATE TABLE valid_values (value varchar(255)) ENGINE=myisam;
INSERT INTO valid_values VALUES(1);
INSERT INTO valid_values VALUES(2);
INSERT INTO valid_values VALUES(3);
INSERT INTO valid_values VALUES(4);
CREATE TABLE invalid_values (value varchar(255)) ENGINE=myisam;
INSERT INTO invalid_values VALUES('\'aaa\'');
SET @start_global_value = @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
SELECT @start_global_value;
@start_global_value
0
SET @start_session_value = @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
SELECT @start_session_value;
@start_session_value
0
'# Setting to valid values in global scope#'
"Trying to set variable @@global.ROCKSDB_PERF_CONTEXT_LEVEL to 1"
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = 1;
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
1
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = DEFAULT;
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
0
"Trying to set variable @@global.ROCKSDB_PERF_CONTEXT_LEVEL to 2"
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = 2;
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
2
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = DEFAULT;
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
0
"Trying to set variable @@global.ROCKSDB_PERF_CONTEXT_LEVEL to 3"
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = 3;
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
3
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = DEFAULT;
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
0
"Trying to set variable @@global.ROCKSDB_PERF_CONTEXT_LEVEL to 4"
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = 4;
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
4
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = DEFAULT;
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
0
'# Setting to valid values in session scope#'
"Trying to set variable @@session.ROCKSDB_PERF_CONTEXT_LEVEL to 1"
SET @@session.ROCKSDB_PERF_CONTEXT_LEVEL = 1;
SELECT @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
@@session.ROCKSDB_PERF_CONTEXT_LEVEL
1
"Setting the session scope variable back to default"
SET @@session.ROCKSDB_PERF_CONTEXT_LEVEL = DEFAULT;
SELECT @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
@@session.ROCKSDB_PERF_CONTEXT_LEVEL
0
"Trying to set variable @@session.ROCKSDB_PERF_CONTEXT_LEVEL to 2"
SET @@session.ROCKSDB_PERF_CONTEXT_LEVEL = 2;
SELECT @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
@@session.ROCKSDB_PERF_CONTEXT_LEVEL
2
"Setting the session scope variable back to default"
SET @@session.ROCKSDB_PERF_CONTEXT_LEVEL = DEFAULT;
SELECT @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
@@session.ROCKSDB_PERF_CONTEXT_LEVEL
0
"Trying to set variable @@session.ROCKSDB_PERF_CONTEXT_LEVEL to 3"
SET @@session.ROCKSDB_PERF_CONTEXT_LEVEL = 3;
SELECT @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
@@session.ROCKSDB_PERF_CONTEXT_LEVEL
3
"Setting the session scope variable back to default"
SET @@session.ROCKSDB_PERF_CONTEXT_LEVEL = DEFAULT;
SELECT @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
@@session.ROCKSDB_PERF_CONTEXT_LEVEL
0
"Trying to set variable @@session.ROCKSDB_PERF_CONTEXT_LEVEL to 4"
SET @@session.ROCKSDB_PERF_CONTEXT_LEVEL = 4;
SELECT @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
@@session.ROCKSDB_PERF_CONTEXT_LEVEL
4
"Setting the session scope variable back to default"
SET @@session.ROCKSDB_PERF_CONTEXT_LEVEL = DEFAULT;
SELECT @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
@@session.ROCKSDB_PERF_CONTEXT_LEVEL
0
'# Testing with invalid values in global scope #'
"Trying to set variable @@global.ROCKSDB_PERF_CONTEXT_LEVEL to 'aaa'"
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = 'aaa';
Got one of the listed errors
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
0
SET @@global.ROCKSDB_PERF_CONTEXT_LEVEL = @start_global_value;
SELECT @@global.ROCKSDB_PERF_CONTEXT_LEVEL;
@@global.ROCKSDB_PERF_CONTEXT_LEVEL
0
SET @@session.ROCKSDB_PERF_CONTEXT_LEVEL = @start_session_value;
SELECT @@session.ROCKSDB_PERF_CONTEXT_LEVEL;
@@session.ROCKSDB_PERF_CONTEXT_LEVEL
0
DROP TABLE valid_values;
DROP TABLE invalid_values;
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