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DROP TABLE IF EXISTS t1; CREATE TABLE t1 (a <INT_COLUMN>, b <CHAR_COLUMN>, <CUSTOM_INDEX>(b)) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>; INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'); INSERT INTO t1 (a,b) VALUES (100,'a'), (6,'f'); INSERT INTO t1 (a,b) VALUES (30,'m'),(29,'n'); INSERT INTO t1 (a,b) VALUES (1,'a'),(12345,'z'); INSERT INTO t1 (a,b) VALUES (3,'a'),(0,''); SELECT a,b FROM t1; a b 0 1 a 1 a 100 a 12345 z 2 b 29 n 3 a 3 c 30 m 4 d 5 e 6 f DROP TABLE t1; CREATE TABLE t1 (a <INT_COLUMN>, b <CHAR_COLUMN>, UNIQUE INDEX(a)) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>; INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'); INSERT INTO t1 (a,b) VALUES (100,'a'), (6,'f'); INSERT INTO t1 (a,b) VALUES (30,'m'),(29,'n'); INSERT INTO t1 (a,b) VALUES (1,'a'),(12345,'z'); ERROR 23000: Duplicate entry '1' for key 'a' # Statement ended with one of expected results (ER_DUP_ENTRY,ER_DUP_KEY). # If you got a difference in error message, just add it to rdiff file INSERT INTO t1 (a,b) VALUES (3,'a'),(0,''); ERROR 23000: Duplicate entry '3' for key 'a' # Statement ended with one of expected results (ER_DUP_ENTRY,ER_DUP_KEY). # If you got a difference in error message, just add it to rdiff file INSERT INTO t1 (a,b) VALUES (0,''); SELECT a,b FROM t1; a b 0 1 a 100 a 2 b 29 n 3 c 30 m 4 d 5 e 6 f INSERT IGNORE INTO t1 (a,b) VALUES (1,'a'),(12345,'z'); Warnings: Warning 1062 Duplicate entry '1' for key 'a' INSERT INTO t1 (a,b) VALUES (3,'a'),(4,'d') ON DUPLICATE KEY UPDATE a = a+10; SELECT a,b FROM t1; a b 0 1 a 100 a 12345 z 13 c 14 d 2 b 29 n 30 m 5 e 6 f DROP TABLE t1; CREATE TABLE t1 (a <INT_COLUMN>, b <CHAR_COLUMN>, UNIQUE INDEX(a,b)) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>; INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'); INSERT INTO t1 (a,b) VALUES (100,'a'), (6,'f'); INSERT INTO t1 (a,b) VALUES (30,'m'),(29,'n'); INSERT INTO t1 (a,b) VALUES (100,'b'), (2,'c'); INSERT INTO t1 (a,b) VALUES (1,'a'),(12345,'z'); ERROR 23000: Duplicate entry '1-a' for key 'a' # Statement ended with one of expected results (ER_DUP_ENTRY,ER_DUP_KEY). # If you got a difference in error message, just add it to rdiff file SELECT a,b FROM t1; a b 1 a 100 a 100 b 2 b 2 c 29 n 3 c 30 m 4 d 5 e 6 f INSERT IGNORE INTO t1 (a,b) VALUES (1,'a'),(12345,'z'); Warnings: Warning 1062 Duplicate entry '1-a' for key 'a' INSERT INTO t1 (a,b) VALUES (1,'a'),(12345,'z') ON DUPLICATE KEY UPDATE a = a+VALUES(a); SELECT a,b FROM t1; a b 100 a 100 b 2 a 2 b 2 c 24690 z 29 n 3 c 30 m 4 d 5 e 6 f INSERT INTO t1 (a,b) VALUES (101,'x'),(101,'x'); ERROR 23000: Duplicate entry '101-x' for key 'a' # Statement ended with one of expected results (ER_DUP_ENTRY,ER_DUP_KEY). # If you got a difference in error message, just add it to rdiff file DROP TABLE t1; CREATE TABLE t1 (a <INT_COLUMN> PRIMARY KEY, b <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>; INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e'); INSERT INTO t1 (a,b) VALUES (100,'a'), (6,'f'); INSERT INTO t1 (a,b) VALUES (30,'m'),(29,'n'); INSERT INTO t1 (a,b) VALUES (1,'a'),(12345,'z'); ERROR 23000: Duplicate entry '1' for key 'PRIMARY' # Statement ended with one of expected results (ER_DUP_ENTRY,ER_DUP_KEY). # If you got a difference in error message, just add it to rdiff file INSERT INTO t1 (a,b) VALUES (3,'a'),(0,''); ERROR 23000: Duplicate entry '3' for key 'PRIMARY' # Statement ended with one of expected results (ER_DUP_ENTRY,ER_DUP_KEY). # If you got a difference in error message, just add it to rdiff file INSERT INTO t1 (a,b) VALUES (0,''); SELECT a,b FROM t1; a b 0 1 a 100 a 2 b 29 n 3 c 30 m 4 d 5 e 6 f INSERT IGNORE INTO t1 (a,b) VALUES (1,'a'),(12345,'z'); Warnings: Warning 1062 Duplicate entry '1' for key 'PRIMARY' INSERT INTO t1 (a,b) VALUES (1,'a'),(12345,'z') ON DUPLICATE KEY UPDATE b = CONCAT(b,b); SELECT a,b FROM t1; a b 0 1 aa 100 a 12345 zz 2 b 29 n 3 c 30 m 4 d 5 e 6 f DROP TABLE t1; CREATE TABLE t1 (a <INT_COLUMN> UNIQUE KEY, b <INT_COLUMN> UNIQUE KEY, c <INT_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>; INSERT INTO t1 VALUES(1,1,0); INSERT INTO t1 VALUES(2,3,0); INSERT INTO t1 VALUES(3,2,0); INSERT INTO t1 VALUES(1,1,0) ON DUPLICATE KEY UPDATE c=c+1; INSERT INTO t1 VALUES(2,3,0) ON DUPLICATE KEY UPDATE c=c+1; INSERT INTO t1 VALUES(3,2,0) ON DUPLICATE KEY UPDATE c=c+1; INSERT INTO t1 VALUES(2,5,0) ON DUPLICATE KEY UPDATE c=c+1; INSERT INTO t1 VALUES(3,5,0) ON DUPLICATE KEY UPDATE c=c+1; INSERT INTO t1 VALUES(5,3,0) ON DUPLICATE KEY UPDATE c=c+1; INSERT INTO t1 VALUES(6,2,0) ON DUPLICATE KEY UPDATE c=c+1; INSERT INTO t1 VALUES(1,3,0) ON DUPLICATE KEY UPDATE c=c+1; INSERT INTO t1 VALUES(2,2,0) ON DUPLICATE KEY UPDATE c=c+1; SELECT * FROM t1; a b c 1 1 2 2 3 4 3 2 3 DROP TABLE t1;