CREATE TABLE valid_values (value varchar(255)) ENGINE=myisam;
INSERT INTO valid_values VALUES(1);
INSERT INTO valid_values VALUES(0);
INSERT INTO valid_values VALUES('on');
CREATE TABLE invalid_values (value varchar(255)) ENGINE=myisam;
INSERT INTO invalid_values VALUES('\'aaa\'');
INSERT INTO invalid_values VALUES('\'bbb\'');
SET @start_global_value = @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
SELECT @start_global_value;
@start_global_value
0
'# Setting to valid values in global scope#'
"Trying to set variable @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES to 1"
SET @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES   = 1;
SELECT @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
@@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES
1
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES = DEFAULT;
SELECT @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
@@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES
0
"Trying to set variable @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES to 0"
SET @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES   = 0;
SELECT @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
@@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES
0
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES = DEFAULT;
SELECT @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
@@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES
0
"Trying to set variable @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES to on"
SET @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES   = on;
SELECT @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
@@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES
1
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES = DEFAULT;
SELECT @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
@@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES
0
"Trying to set variable @@session.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES to 444. It should fail because it is not session."
SET @@session.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES   = 444;
ERROR HY000: Variable 'rocksdb_print_snapshot_conflict_queries' is a GLOBAL variable and should be set with SET GLOBAL
'# Testing with invalid values in global scope #'
"Trying to set variable @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES to 'aaa'"
SET @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES   = 'aaa';
Got one of the listed errors
SELECT @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
@@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES
0
"Trying to set variable @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES to 'bbb'"
SET @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES   = 'bbb';
Got one of the listed errors
SELECT @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
@@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES
0
SET @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES = @start_global_value;
SELECT @@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES;
@@global.ROCKSDB_PRINT_SNAPSHOT_CONFLICT_QUERIES
0
DROP TABLE valid_values;
DROP TABLE invalid_values;
