86 lines
2.0 KiB
SQL
86 lines
2.0 KiB
SQL
## Create test schema
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CREATE TABLE t1(col1 INT PRIMARY KEY, col2 int, col3 varchar(64), col4 BLOB);
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CREATE TABLE t2(col1 INT PRIMARY KEY, col2 int, col3 varchar(64), col4 BLOB)
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PARTITION BY KEY(col1) PARTITIONS 5;
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DELIMITER |;
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# Procedure to execute dml commands in loop
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# p_dml_type [IN] DML type
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# 0 -> INSERT
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# 1 -> UPDATE
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# 2 -> DELETE
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# p_key_min [IN] Minimum key value
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# p_key_range [IN] Maximum key range
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# p_loop_count [IN] Number of times to execute
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# p_frequency [IN] Frequency of commit/rollback
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# p_is_rand [IN] chose key randomly and do rollback and commit
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CREATE PROCEDURE execute_dml(
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p_dml_type INT,
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p_key_min INT,
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p_key_range INT,
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p_loop_count INT,
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p_frequency INT,
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p_is_rand INT)
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BEGIN
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DECLARE v_idx INT DEFAULT 0;
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DECLARE v_commit INT DEFAULT 0;
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DECLARE v_key INT DEFAULT 0;
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/* Loop and INSERT data at random position */
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WHILE(v_idx < p_loop_count) DO
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/* Generate key between 1 to p_loop_count */
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IF p_is_rand = 1 THEN
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SET v_key = p_key_min + FLOOR(RAND() * p_key_range);
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ELSE
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SET v_key = p_key_min + (v_idx % p_key_range);
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END IF;
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CASE p_dml_type
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WHEN 0 THEN
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SET @clol3_text = CONCAT('Clone Test Row - ', v_key);
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INSERT INTO t1 VALUES(v_key, v_key * 10,
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@clol3_text, REPEAT('Large Column Data ', 2048))
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ON DUPLICATE KEY UPDATE col2 = col2 + 1;
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INSERT INTO t2 VALUES(v_key, v_key * 10,
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@clol3_text, REPEAT('Large Column Data ', 2048))
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ON DUPLICATE KEY UPDATE col2 = col2 + 1;
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WHEN 1 THEN
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UPDATE t1 SET col2 = v_idx + 1 WHERE col1 = v_key;
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UPDATE t2 SET col2 = v_idx + 1 WHERE col1 = v_key;
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WHEN 2 THEN
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DELETE FROM t1 WHERE col1 = v_key;
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DELETE FROM t2 WHERE col1 = v_key;
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ELSE
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DELETE FROM t1;
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DELETE FROM t2;
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END CASE;
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SET v_idx = v_idx + 1;
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/* Commit or rollback work at specified frequency. */
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IF v_idx % p_frequency = 0 THEN
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SET v_commit = FLOOR(RAND() * 2);
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IF v_commit = 0 AND p_is_rand = 1 THEN
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ROLLBACK;
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START TRANSACTION;
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ELSE
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COMMIT;
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START TRANSACTION;
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END IF;
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END IF;
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END WHILE;
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END|
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DELIMITER ;|
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