DROP TABLE IF EXISTS t1;
CREATE TABLE t1(c1 CHAR(10) NOT NULL, c2 CHAR(10) NOT NULL, c3 CHAR(10) NOT NULL, PRIMARY KEY(c1,c2,c3));
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc') ON DUPLICATE KEY UPDATE c1='abcdefg',c2='abcdefg',c3='abcdefg';
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def') ON DUPLICATE KEY UPDATE c1='abcdefg',c2='abcdefg';
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def') ON DUPLICATE KEY UPDATE c2='abcdefg',c3='abcdefg';
SELECT * FROM t1;
c1	c2	c3
abc	abcdefg	abcdefg
abc	def	abc
abcdefg	abcdefg	abcdefg
abcdefg	abcdefg	def
def	abc	abc
def	abc	def
def	def	abc
DROP TABLE t1;
CREATE TABLE t1(c1 VARCHAR(10) NOT NULL, c2 VARCHAR(10) NOT NULL, c3 VARCHAR(10) NOT NULL, PRIMARY KEY(c1,c2,c3));
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc') ON DUPLICATE KEY UPDATE c1='abcdefg',c2='abcdefg',c3='abcdefg';
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def') ON DUPLICATE KEY UPDATE c1='abcdefg',c2='abcdefg';
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def') ON DUPLICATE KEY UPDATE c2='abcdefg',c3='abcdefg';
SELECT * FROM t1;
c1	c2	c3
abc	abcdefg	abcdefg
abc	def	abc
abcdefg	abcdefg	abcdefg
abcdefg	abcdefg	def
def	abc	abc
def	abc	def
def	def	abc
DROP TABLE t1;
CREATE TABLE t1(c1 BINARY(10) NOT NULL, c2 BINARY(10) NOT NULL, c3 BINARY(10) NOT NULL, PRIMARY KEY(c1,c2,c3));
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc') ON DUPLICATE KEY UPDATE c1='abcdefg',c2='abcdefg',c3='abcdefg';
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def') ON DUPLICATE KEY UPDATE c1='abcdefg',c2='abcdefg';
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def') ON DUPLICATE KEY UPDATE c2='abcdefg',c3='abcdefg';
SELECT hex(c1), hex(c2), hex(c3) FROM t1;
hex(c1)	hex(c2)	hex(c3)
61626300000000000000	61626364656667000000	61626364656667000000
61626300000000000000	64656600000000000000	61626300000000000000
61626364656667000000	61626364656667000000	61626364656667000000
61626364656667000000	61626364656667000000	64656600000000000000
64656600000000000000	61626300000000000000	61626300000000000000
64656600000000000000	61626300000000000000	64656600000000000000
64656600000000000000	64656600000000000000	61626300000000000000
DROP TABLE t1;
CREATE TABLE t1(c1 VARBINARY(10) NOT NULL, c2 VARBINARY(10) NOT NULL, c3 VARBINARY(10) NOT NULL, PRIMARY KEY(c1,c2,c3));
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','def','abc');
INSERT INTO t1 (c1,c2,c3) VALUES('def','abc','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def');
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','abc') ON DUPLICATE KEY UPDATE c1='abcdefg',c2='abcdefg',c3='abcdefg';
INSERT INTO t1 (c1,c2,c3) VALUES('abc','abc','def') ON DUPLICATE KEY UPDATE c1='abcdefg',c2='abcdefg';
INSERT INTO t1 (c1,c2,c3) VALUES('abc','def','def') ON DUPLICATE KEY UPDATE c2='abcdefg',c3='abcdefg';
SELECT * FROM t1;
c1	c2	c3
abc	abcdefg	abcdefg
abc	def	abc
abcdefg	abcdefg	abcdefg
abcdefg	abcdefg	def
def	abc	abc
def	abc	def
def	def	abc
DROP TABLE t1;