60 lines
1.7 KiB
Plaintext
60 lines
1.7 KiB
Plaintext
# test handler operation with partitioned table
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CREATE TABLE t1 (
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col_1_int int,
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col_2_int int,
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PRIMARY KEY(col_2_int),
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KEY idx1 (col_1_int, col_2_int))
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ENGINE = InnoDB
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PARTITION BY KEY() partitions 4;
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`col_1_int` int(11) DEFAULT NULL,
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`col_2_int` int(11) NOT NULL,
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PRIMARY KEY (`col_2_int`),
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KEY `idx1` (`col_1_int`,`col_2_int`)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci
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/*!50100 PARTITION BY KEY ()
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PARTITIONS 4 */
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# test handler read forward
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# insert values in all partitions - 1st set
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INSERT INTO t1 VALUES (1, 1), (2, 2), (3, 3), (4, 4);
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# insert values in all partitions - 2nd set
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INSERT INTO t1 VALUES (8, 5), (7, 6), (6, 7), (5, 8);
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HANDLER t1 OPEN;
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# read 2nd set of values in forward direction using handler
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HANDLER t1 READ idx1 > (4, 4) LIMIT 10;
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col_1_int col_2_int
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5 8
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6 7
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7 6
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8 5
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# replace 1st set of values to make them bigger in idx1 order
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REPLACE INTO t1 VALUES (9, 1), (10, 2), (11, 3), (12, 4);
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# try handler next- expect no rows
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HANDLER t1 READ idx1 next;
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col_1_int col_2_int
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HANDLER t1 CLOSE;
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# delete all rows
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DELETE FROM t1;
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# test handler read backward
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# insert values in all partitions - 1st set
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INSERT INTO t1 VALUES (8, 5), (7, 6), (6, 7), (5, 8);
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# insert values in all partitions - 2nd set
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INSERT INTO t1 VALUES (9, 9), (10, 10), (11, 11), (12, 12);
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HANDLER t1 OPEN;
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# read 1st set of values in backward direction using handler
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HANDLER t1 READ idx1 < (9, 9) LIMIT 10;
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col_1_int col_2_int
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8 5
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7 6
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6 7
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5 8
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# replace 2nd set of values to make them smaller in idx1 order
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REPLACE INTO t1 VALUES ( 1, 9), ( 2, 10), ( 3, 11), ( 4, 12);
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# try handler previous- expect no rows
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HANDLER t1 READ idx1 prev;
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col_1_int col_2_int
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HANDLER t1 CLOSE;
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DROP TABLE t1;
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