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|
#
# wl#7277: InnoDB: Bulk Load for Create Index
#
# Create Insert Procedure
DELIMITER |;
CREATE PROCEDURE populate_t1(load_even INT)
BEGIN
DECLARE i int DEFAULT 1;
START TRANSACTION;
WHILE (i <= 10000) DO
IF i%2 = 0 AND load_even = 1 THEN
INSERT INTO t1 VALUES (i, i, CONCAT('a', i));
END IF;
IF i%2 != 0 AND load_even != 1 THEN
INSERT INTO t1 VALUES (i, i, CONCAT('a', i));
END IF;
SET i = i + 1;
END WHILE;
COMMIT;
END|
DELIMITER ;|
SELECT @@innodb_fill_factor;
if ($row_format != 'COMPRESSED')
{
eval CREATE TABLE t1(
class INT,
id INT,
title VARCHAR(100)
) ENGINE=InnoDB ROW_FORMAT=$row_format;
}
if ($row_format == 'COMPRESSED')
{
eval CREATE TABLE t1(
class INT,
id INT,
title VARCHAR(100)
) ENGINE=InnoDB ROW_FORMAT=$row_format KEY_BLOCK_SIZE=4;
}
-- disable_query_log
# Load half records
CALL populate_t1(1);
-- enable_query_log
SELECT COUNT(*) FROM t1;
/* Create index. */
CREATE INDEX idx_id ON t1(id);
CREATE INDEX idx_title ON t1(title);
/* Check table. */
CHECK TABLE t1;
/* Select by index. */
EXPLAIN SELECT * FROM t1 WHERE id = 10;
EXPLAIN SELECT * FROM t1 WHERE title = 'a10';
SELECT * FROM t1 WHERE id = 10;
SELECT * FROM t1 WHERE title = 'a10';
SELECT * FROM t1 WHERE id = 5000;
SELECT * FROM t1 WHERE title = 'a5000';
SELECT * FROM t1 WHERE id = 10000;
SELECT * FROM t1 WHERE title = 'a10000';
SELECT * FROM t1 WHERE id = 10010;
SELECT * FROM t1 WHERE title = 'a10010';
/*Insert/Update/Delete. */
DELETE FROM t1 WHERE id < 4010 AND id > 3990;
INSERT INTO t1 VALUES(4000, 4000, 'b4000');
UPDATE t1 SET title = CONCAT('b', id) WHERE id < 3010 AND id > 2990;
SELECT * FROM t1 WHERE id = 3000;
SELECT * FROM t1 WHERE title = 'a3000';
SELECT * FROM t1 WHERE title = 'b3000';
SELECT * FROM t1 WHERE id = 4000;
SELECT * FROM t1 WHERE title = 'a4000';
SELECT * FROM t1 WHERE title = 'b4000';
SELECT * FROM t1 WHERE id = 4001;
SELECT * FROM t1 WHERE title = 'a4001';
-- disable_query_log
# Load half records (follow up load)
CALL populate_t1(0);
-- enable_query_log
SELECT COUNT(*) FROM t1;
/* Add column. */
ALTER TABLE t1 ADD COLUMN content TEXT;
CHECK TABLE t1;
SELECT * FROM t1 WHERE id = 10;
SELECT * FROM t1 WHERE title = 'a10';
SELECT * FROM t1 WHERE id = 5000;
SELECT * FROM t1 WHERE title = 'a5000';
SELECT * FROM t1 WHERE id = 10000;
SELECT * FROM t1 WHERE title = 'a10000';
SELECT * FROM t1 WHERE id = 10010;
SELECT * FROM t1 WHERE title = 'a10010';
/* Drop column. */
ALTER TABLE t1 DROP COLUMN content;
CHECK TABLE t1;
SELECT * FROM t1 WHERE id = 10;
SELECT * FROM t1 WHERE title = 'a10';
SELECT * FROM t1 WHERE id = 5000;
SELECT * FROM t1 WHERE title = 'a5000';
SELECT * FROM t1 WHERE id = 10000;
SELECT * FROM t1 WHERE title = 'a10000';
SELECT * FROM t1 WHERE id = 10010;
SELECT * FROM t1 WHERE title = 'a10010';
DROP TABLE t1;
# Test Blob
if ($row_format != 'COMPRESSED') {
eval CREATE TABLE t1(
a INT PRIMARY KEY,
b TEXT,
c TEXT) ENGINE=InnoDB ROW_FORMAT=$row_format;
}
if ($row_format == 'COMPRESSED') {
eval CREATE TABLE t1(
a INT PRIMARY KEY,
b BLOB,
c TEXT) ENGINE=InnoDB ROW_FORMAT=$row_format KEY_BLOCK_SIZE=4;
}
let $cnt= 5000;
-- disable_query_log
WHILE ($cnt>=4950)
{
EVAL INSERT INTO t1 VALUES
($cnt, REPEAT(CONCAT('a', $cnt),2000), CONCAT('a', $cnt));
dec $cnt;
}
-- enable_query_log
ALTER TABLE t1 ADD INDEX `idx` (a,b(5));
SELECT CHAR_LENGTH(b) FROM t1 WHERE a=4975;
SELECT b=REPEAT(CONCAT('a',4975),2000) FROM t1 WHERE a=4975 AND b like 'a4975%';
UPDATE t1 SET b = REPEAT(CONCAT('b',4975),2000) WHERE a=4975 AND b like 'a4975%';
SELECT b=REPEAT(CONCAT('a',4975),2000) FROM t1 WHERE a=4975 AND b like 'a4975%';
SELECT b=REPEAT(CONCAT('b',4975),2000) FROM t1 WHERE a=4975 AND b like 'b4975%';
DELETE FROM t1 WHERE a=4975 AND b like 'b4975%';
SELECT b=REPEAT(CONCAT('b',4975),2000) FROM t1 WHERE a=4975 AND b like 'b4975%';
ALTER TABLE t1 DROP COLUMN c;
CHECK TABLE t1;
SELECT CHAR_LENGTH(b) FROM t1 WHERE a=4975;
DROP TABLE t1;
DROP PROCEDURE populate_t1;
|
