1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
|
source include/master-slave.inc;
# It is not possible to replicate FOUND_ROWS() using statement-based
# replication, but there is a workaround that stores the result of
# FOUND_ROWS() into a user variable and then replicates this instead.
# The purpose of this test case is to test that the workaround
# function properly even when inside stored programs (i.e., stored
# routines and triggers).
--echo ==== 0. Setting it all up ====
SET BINLOG_FORMAT=STATEMENT;
--echo **** On Master ****
connection master;
CREATE TABLE t1 (a INT);
CREATE TABLE logtbl (sect INT, test INT, count INT);
INSERT INTO t1 VALUES (1),(2),(3);
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
--echo #### 1. Using statement mode ####
--echo ==== 1.1. Simple test ====
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
# Instead of
# INSERT INTO logtbl VALUES(1, 1, FOUND_ROWS());
# we write
SELECT FOUND_ROWS() INTO @a;
INSERT INTO logtbl VALUES(1,1,@a);
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
# Instead of
# INSERT INTO logtbl VALUES(1, 2, FOUND_ROWS());
# we write
SELECT FOUND_ROWS() INTO @a;
INSERT INTO logtbl VALUES(1,2,@a);
SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test;
--echo **** On Slave ****
sync_slave_with_master;
SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test;
--echo ==== 1.2. Stored procedure ====
# Here we do both the calculation and the logging. We also do it twice
# to make sure that there are no limitations on how many times it can
# be used.
--echo **** On Master ****
connection master;
--delimiter $$
CREATE PROCEDURE calc_and_log(sect INT, test INT) BEGIN
DECLARE cnt INT;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
SELECT FOUND_ROWS() INTO cnt;
INSERT INTO logtbl VALUES(sect,test,cnt);
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
SELECT FOUND_ROWS() INTO cnt;
INSERT INTO logtbl VALUES(sect,test+1,cnt);
END $$
--delimiter ;
CALL calc_and_log(2,1);
--delimiter $$
CREATE PROCEDURE just_log(sect INT, test INT, found_rows INT) BEGIN
INSERT INTO logtbl VALUES (sect,test,found_rows);
END $$
--delimiter ;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
SELECT FOUND_ROWS() INTO @found_rows;
CALL just_log(2,3,@found_rows);
SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test;
--echo **** On Slave ****
sync_slave_with_master;
SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test;
--echo ==== 1.3. Stored functions ====
--echo **** On Master ****
connection master;
--delimiter $$
CREATE FUNCTION log_rows(sect INT, test INT, found_rows INT)
RETURNS INT
BEGIN
INSERT INTO logtbl VALUES(sect,test,found_rows);
RETURN found_rows;
END $$
--delimiter ;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
SELECT FOUND_ROWS() INTO @found_rows;
SELECT log_rows(3,1,@found_rows), log_rows(3,2,@found_rows);
SELECT * FROM logtbl WHERE sect = 3 ORDER BY sect,test;
--echo **** On Slave ****
sync_slave_with_master;
SELECT * FROM logtbl WHERE sect = 3 ORDER BY sect,test;
--echo ==== 1.9. Cleanup ====
--echo **** On Master ****
connection master;
DELETE FROM logtbl;
DROP PROCEDURE just_log;
DROP PROCEDURE calc_and_log;
DROP FUNCTION log_rows;
--source include/rpl_reset.inc
--echo #### 2. Using mixed mode ####
--echo ==== 2.1. Checking a procedure ====
--echo **** On Master ****
connection master;
SET BINLOG_FORMAT=MIXED;
# We will now check some stuff that will not work in statement-based
# replication, but which should cause the binary log to switch to
# row-based logging.
--delimiter $$
CREATE PROCEDURE just_log(sect INT, test INT) BEGIN
INSERT INTO logtbl VALUES (sect,test,FOUND_ROWS());
END $$
--delimiter ;
sync_slave_with_master;
--echo **** On Master 1 ****
connection master1;
SET BINLOG_FORMAT=MIXED;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
CALL just_log(1,1);
--echo **** On Master ****
connection master;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
CALL just_log(1,2);
--echo **** On Master 1 ****
connection master1;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
CALL just_log(1,3);
sync_slave_with_master;
--echo **** On Master ****
connection master;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
CALL just_log(1,4);
sync_slave_with_master;
connection master;
SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test;
--echo **** On Slave ****
sync_slave_with_master;
SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test;
--echo ==== 2.1. Checking a stored function ====
--echo **** On Master ****
connection master;
--delimiter $$
CREATE FUNCTION log_rows(sect INT, test INT)
RETURNS INT
BEGIN
DECLARE found_rows INT;
SELECT FOUND_ROWS() INTO found_rows;
INSERT INTO logtbl VALUES(sect,test,found_rows);
RETURN found_rows;
END $$
--delimiter ;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
SELECT log_rows(2,1), log_rows(2,2);
CREATE TABLE t2 (a INT, b INT);
# Trying with referencing FOUND_ROWS() directly in the trigger.
--delimiter $$
CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW
BEGIN
INSERT INTO logtbl VALUES (NEW.a, NEW.b, FOUND_ROWS());
END $$
--delimiter ;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
INSERT INTO t2 VALUES (2,3), (2,4);
# Referencing FOUND_ROWS() indirectly.
DROP TRIGGER t2_tr;
--delimiter $$
CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW
BEGIN
DECLARE dummy INT;
SELECT log_rows(NEW.a, NEW.b) INTO dummy;
END $$
--delimiter ;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
INSERT INTO t2 VALUES (2,5), (2,6);
# Putting FOUND_ROWS() even lower in the call chain.
connection master;
DROP TRIGGER t2_tr;
--delimiter $$
CREATE PROCEDURE log_me_inner(sect INT, test INT)
BEGIN
DECLARE dummy INT;
SELECT log_rows(sect, test) INTO dummy;
SELECT log_rows(sect, test+1) INTO dummy;
END $$
CREATE PROCEDURE log_me(sect INT, test INT)
BEGIN
CALL log_me_inner(sect,test);
END $$
--delimiter ;
--delimiter $$
CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW
BEGIN
CALL log_me(NEW.a, NEW.b);
END $$
--delimiter ;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
INSERT INTO t2 VALUES (2,5), (2,6);
SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test;
sync_slave_with_master;
SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test;
connection master;
DROP TABLE t1, t2, logtbl;
DROP PROCEDURE just_log;
DROP PROCEDURE log_me;
DROP PROCEDURE log_me_inner;
DROP FUNCTION log_rows;
sync_slave_with_master;
--source include/rpl_end.inc
|
