--source include/have_binlog_format_row.inc --source include/master-slave.inc --source include/have_debug.inc --source include/have_innodb.inc # Bug#58997: Row-based replication breaks on table with only fulltext index: connection master; CREATE TABLE t1 (a int, b varchar(100), fulltext(b)) engine=MyISAM; INSERT INTO t1 VALUES (1,"a"), (2,"b"); UPDATE t1 SET b='A' WHERE a=1; DELETE FROM t1 WHERE a=2; sync_slave_with_master; connection slave; SELECT * FROM t1 ORDER BY a; connection master; DROP TABLE t1; # A utility table used to populate subsequent tables in various ways. connection master; CREATE TABLE t1 (d INT PRIMARY KEY) ENGINE=myisam; INSERT INTO t1 VALUES (0); INSERT INTO t1 SELECT d+1 FROM t1; INSERT INTO t1 SELECT d+2 FROM t1; INSERT INTO t1 SELECT d+4 FROM t1; INSERT INTO t1 SELECT d+8 FROM t1; INSERT INTO t1 SELECT d+16 FROM t1; INSERT INTO t1 SELECT d+32 FROM t1; INSERT INTO t1 SELECT d+64 FROM t1; INSERT INTO t1 SELECT d+128 FROM t1; INSERT INTO t1 SELECT d+256 FROM t1; INSERT INTO t1 SELECT d+512 FROM t1; # Test that we pick the better multi-column index, even if the # single-column index is more selective in the first column. CREATE TABLE t2 (a INT, b INT, c INT, d INT, KEY wrong_key(a), KEY expected_key(b,c), KEY wrong_key2(c)) ENGINE=myisam; INSERT INTO t2 SELECT d DIV 10, d MOD 41, d MOD 37, d FROM t1; sync_slave_with_master; connection slave; ANALYZE TABLE t2; --echo # Slave will crash if using the wrong or no index SET GLOBAL debug="+d,slave_crash_if_wrong_index,slave_crash_if_table_scan"; connection master; UPDATE t2 SET d=10042 WHERE d=42; DELETE FROM t2 WHERE d=53; sync_slave_with_master; connection slave; SET GLOBAL debug=""; SELECT * FROM t2 WHERE d IN (10042,53); # Test that we don't pick a unique index with NULLS over a more selective # non-unique index. connection master; DROP TABLE t2; CREATE TABLE t2 (a INT, b INT, c INT, d INT NOT NULL, e INT, UNIQUE wrong_key3(a,e), KEY wrong_key4(b,c), UNIQUE expected_key(d)) ENGINE=myisam; INSERT INTO t2 SELECT d DIV 10, d MOD 41, d MOD 37, d, NULL FROM t1; sync_slave_with_master; connection slave; ANALYZE TABLE t2; --echo # Slave will crash if using the wrong or no index SET GLOBAL debug="+d,slave_crash_if_wrong_index,slave_crash_if_table_scan"; connection master; UPDATE t2 SET d=10042 WHERE d=42; DELETE FROM t2 WHERE d=53; sync_slave_with_master; connection slave; SET GLOBAL debug=""; SELECT * FROM t2 WHERE d IN (10042,53); connection master; DROP TABLE t2; # Test that we pick a reasonable index when there is no rec_per_key[] # information (no ANALYZE TABLE). CREATE TABLE t2 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL, d INT NOT NULL, KEY wrong_key5(b), UNIQUE expected_key(d), KEY wrong_key6(c)) ENGINE=myisam; INSERT INTO t2 SELECT d DIV 10, d MOD 41, d MOD 37, d FROM t1; sync_slave_with_master; connection slave; --echo # Slave will crash if using the wrong or no index SET GLOBAL debug="+d,slave_crash_if_wrong_index,slave_crash_if_table_scan"; connection master; UPDATE t2 SET d=10042 WHERE d=42; DELETE FROM t2 WHERE d=53; sync_slave_with_master; connection slave; SET GLOBAL debug=""; SELECT * FROM t2 WHERE d IN (10042,53); connection master; DROP TABLE t2; # Also test without ANALYZE when we pick the sub-optimal index. # In this case the key on (d) is the best one, but without ANALYZE TABLE we # have no information and will pick the first one on (b). # (This test should be updated if we improve the index selection, of course). CREATE TABLE t2 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL, d INT NOT NULL, KEY expected_key(b), KEY wrong_key7(d), KEY wrong_key8(c)) ENGINE=myisam; INSERT INTO t2 SELECT d DIV 10, d MOD 41, d MOD 37, d FROM t1; sync_slave_with_master; connection slave; --echo # Slave will crash if using the wrong or no index SET GLOBAL debug="+d,slave_crash_if_wrong_index,slave_crash_if_table_scan"; connection master; UPDATE t2 SET d=10042 WHERE d=42; DELETE FROM t2 WHERE d=53; sync_slave_with_master; connection slave; SET GLOBAL debug=""; SELECT * FROM t2 WHERE d IN (10042,53); connection master; DROP TABLE t2; # Test that we pick the primary key for InnoDB, if available. CREATE TABLE t2 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL, d INT, UNIQUE wrong_key9(d), KEY wrong_key10(a), PRIMARY KEY expected_key(c,b)) ENGINE=innodb; INSERT INTO t2 SELECT d DIV 10, d MOD 41, d MOD 37, d FROM t1; sync_slave_with_master; connection slave; --echo # Slave will crash if using the wrong or no index SET GLOBAL debug="+d,slave_crash_if_wrong_index,slave_crash_if_table_scan,slave_crash_if_index_scan"; connection master; UPDATE t2 SET d=10042 WHERE d=42; DELETE FROM t2 WHERE d=53; sync_slave_with_master; connection slave; SET GLOBAL debug=""; SELECT * FROM t2 WHERE d IN (10042,53); connection master; DROP TABLE t2; # Test that we pick a good index for InnoDB when primary key is not available. CREATE TABLE t2 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL, d INT, e INT, UNIQUE wrong_key11(e), KEY wrong_key12(a), KEY expected_key(c,b)) ENGINE=innodb; INSERT INTO t2 SELECT d DIV 10, d MOD 41, d MOD 37, d, IF(d<10, d, NULL) FROM t1; sync_slave_with_master; connection slave; ANALYZE TABLE t2; --echo # Slave will crash if using the wrong or no index SET GLOBAL debug="+d,slave_crash_if_wrong_index,slave_crash_if_table_scan"; connection master; UPDATE t2 SET d=10042 WHERE d=42; DELETE FROM t2 WHERE d=53; sync_slave_with_master; connection slave; SET GLOBAL debug=""; SELECT * FROM t2 WHERE d IN (10042,53); connection master; DROP TABLE t2; # When there is no ANALYZE TABLE, InnoDB will just report "1" for index # cardinality for all indexes in rec_per_key. So currently we cannot choose # index to use intelligently. Just test that we work as expected (select # first index, remember that unique keys are sorted first by server). CREATE TABLE t2 (a INT NOT NULL, b INT NOT NULL, c INT NOT NULL, d INT, e INT, KEY wrong_key13(a), UNIQUE expected_key(e), KEY wrong_key14(c,b)) ENGINE=innodb; INSERT INTO t2 SELECT d DIV 10, d MOD 41, d MOD 37, d, IF(d<10, d, NULL) FROM t1; sync_slave_with_master; connection slave; --echo # Slave will crash if using the wrong or no index SET GLOBAL debug="+d,slave_crash_if_wrong_index,slave_crash_if_table_scan"; connection master; UPDATE t2 SET d=10042 WHERE d=42; DELETE FROM t2 WHERE d=53; sync_slave_with_master; connection slave; SET GLOBAL debug=""; SELECT * FROM t2 WHERE d IN (10042,53); connection master; DROP TABLE t2; # Finally, test behaviour when no indexes are available at all. CREATE TABLE t2 (a INT NOT NULL, d INT) ENGINE=innodb; INSERT INTO t2 SELECT d DIV 10, d FROM t1; UPDATE t2 SET d=10042 WHERE d=42; DELETE FROM t2 WHERE d=53; sync_slave_with_master; connection slave; SELECT * FROM t2 WHERE d IN (10042,53); connection master; DROP TABLE t2; connection master; DROP TABLE t1; sync_slave_with_master; connection slave; SET GLOBAL debug=""; --source include/rpl_end.inc