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55 lines
1.4 KiB
Text
55 lines
1.4 KiB
Text
#
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# UPDATE LIMIT should not cause any issues with row-based Galera replication
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# regardless of the order in which the rows were updated
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#
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--source include/galera_cluster.inc
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--source include/have_innodb.inc
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#
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# With a PK
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#
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--connection node_1
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CREATE TABLE ten (f1 INTEGER) Engine=InnoDB;
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INSERT INTO ten VALUES (1),(2),(3),(4),(5),(6),(7),(8),(9),(10);
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CREATE TABLE t1 (f1 INTEGER PRIMARY KEY) Engine=InnoDB;
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INSERT INTO t1 SELECT f1 FROM ten ORDER BY RAND();
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--connection node_2
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UPDATE IGNORE t1 SET f1 = FLOOR(1 + (RAND() * 10)) ORDER BY RAND() LIMIT 5;
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# Check that the sum of all elements and the max element are identical across nodes
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# as this will indicate that the same UPDATE was applied to both nodes
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--let $sum_rows = `SELECT SUM(f1) FROM t1`
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--let $max_row = `SELECT MAX(f1) FROM t1`
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--connection node_1
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--disable_query_log
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--eval SELECT (SELECT SUM(f1) FROM t1) = $sum_rows AS sum_matches;
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--eval SELECT f1 = $max_row AS max_matches FROM t1 WHERE f1 = $max_row;
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--enable_query_log
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DROP TABLE t1;
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#
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# Without a PK
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#
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CREATE TABLE t2 (f1 INTEGER) Engine=InnoDB;
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INSERT INTO t2 SELECT f1 FROM ten ORDER BY RAND();
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--connection node_2
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UPDATE IGNORE t2 SET f1 = FLOOR(1 + (RAND() * 10)) ORDER BY RAND() LIMIT 5;
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--let $sum_rows = `SELECT SUM(f1) FROM t2`
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--connection node_1
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--disable_query_log
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--eval SELECT (SELECT SUM(f1) FROM t2) = $sum_rows AS sum_matches;
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--enable_query_log
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DROP TABLE t2;
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DROP TABLE ten;
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