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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);
INSERT INTO valid_values VALUES(2000000);
CREATE TABLE invalid_values (value varchar(255)) ENGINE=myisam;
INSERT INTO invalid_values VALUES('\'aaa\'');
INSERT INTO invalid_values VALUES('\'2000001\'');
SET @start_global_value = @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
SELECT @start_global_value;
@start_global_value
0
'# Setting to valid values in global scope#'
"Trying to set variable @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES to 1"
SET @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = 1;
SELECT @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
@@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES
1
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = DEFAULT;
SELECT @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
@@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES
0
"Trying to set variable @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES to 1024"
SET @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = 1024;
SELECT @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
@@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES
1024
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = DEFAULT;
SELECT @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
@@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES
0
"Trying to set variable @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES to 2000000"
SET @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = 2000000;
SELECT @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
@@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES
2000000
"Setting the global scope variable back to default"
SET @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = DEFAULT;
SELECT @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
@@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES
0
"Trying to set variable @@session.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES to 444. It should fail because it is not session."
SET @@session.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = 444;
ERROR HY000: Variable 'rocksdb_compaction_sequential_deletes' is a GLOBAL variable and should be set with SET GLOBAL
'# Testing with invalid values in global scope #'
"Trying to set variable @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES to 'aaa'"
SET @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = 'aaa';
Got one of the listed errors
SELECT @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
@@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES
0
"Trying to set variable @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES to '2000001'"
SET @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = '2000001';
Got one of the listed errors
SELECT @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
@@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES
0
SET @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES = @start_global_value;
SELECT @@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES;
@@global.ROCKSDB_COMPACTION_SEQUENTIAL_DELETES
0
DROP TABLE valid_values;
DROP TABLE invalid_values;
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