46 lines
1.5 KiB
Plaintext
46 lines
1.5 KiB
Plaintext
CREATE UNDO TABLESPACE undo_003 ADD DATAFILE 'undo_003.ibu';
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CREATE UNDO TABLESPACE undo_004 ADD DATAFILE 'undo_004.ibu';
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CREATE UNDO TABLESPACE undo_005 ADD DATAFILE 'undo_005.ibu';
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CREATE UNDO TABLESPACE undo_006 ADD DATAFILE 'undo_006.ibu';
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CREATE DATABASE rhinos;
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USE rhinos;
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CREATE TABLE serengeti (a BIGINT AUTO_INCREMENT PRIMARY KEY, b VARCHAR(1000) NOT NULL);
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CREATE PROCEDURE rhino (IN loops BIGINT, IN undo_space char(20))
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BEGIN
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SET @x = 0;
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WHILE (@x < loops) DO
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SET @y = 0;
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ALTER UNDO TABLESPACE innodb_undo_005 SET INACTIVE;
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WHILE (@y < 5) DO
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SET @c = concat("INSERT INTO serengeti (b) VALUES ('Insert #", @x * 10 + @y + 1, " while ", undo_space, " is inactive')");
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PREPARE stmt FROM @c;
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EXECUTE stmt;
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SET @y = @y + 1;
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END WHILE;
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ALTER UNDO TABLESPACE innodb_undo_005 SET ACTIVE;
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WHILE (@y < 10) DO
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SET @c = concat("INSERT INTO serengeti (b) VALUES ('Insert #", @x * 10 + @y + 1, " while ", undo_space, " is active')");
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PREPARE stmt FROM @c;
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EXECUTE stmt;
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SET @y = @y + 1;
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END WHILE;
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SET @x = @x + 1;
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END WHILE;
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END|
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CALL rhinos.rhino(10, 'innodb_undo_005');;
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CALL rhinos.rhino(10, 'undo_003');;
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CALL rhinos.rhino(10, 'undo_005');;
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SELECT count(*) from serengeti;
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count(*)
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300
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USE test;
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DROP DATABASE rhinos;
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ALTER UNDO TABLESPACE undo_003 SET INACTIVE;
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DROP UNDO TABLESPACE undo_003;
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ALTER UNDO TABLESPACE undo_004 SET INACTIVE;
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DROP UNDO TABLESPACE undo_004;
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ALTER UNDO TABLESPACE undo_005 SET INACTIVE;
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DROP UNDO TABLESPACE undo_005;
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ALTER UNDO TABLESPACE undo_006 SET INACTIVE;
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DROP UNDO TABLESPACE undo_006;
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