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--source include/have_binlog_format_row.inc
--source include/have_debug.inc
--source include/have_innodb.inc
--source include/master-slave.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 @saved_dbug = @@GLOBAL.debug_dbug;
SET GLOBAL debug_dbug="+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_dbug="";
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_dbug="+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_dbug="";
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_dbug="+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_dbug="";
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_dbug="+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_dbug="";
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_dbug="+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_dbug="";
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_dbug="+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_dbug="";
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_dbug="+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_dbug="";
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_dbug = @saved_dbug;
--source include/rpl_end.inc
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