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
257
258
259
260
261
262
263
264
265
266
|
SET sql_mode=ORACLE;
--echo #
--echo # MDEV-10801 sql_mode: dynamic SQL placeholders
--echo #
SET @a=10, @b=20;
PREPARE stmt FROM 'SELECT ?,?';
EXECUTE stmt USING @a, @b;
PREPARE stmt FROM 'SELECT :a,:b';
EXECUTE stmt USING @a, @b;
PREPARE stmt FROM 'SELECT :aaa,:bbb';
EXECUTE stmt USING @a, @b;
PREPARE stmt FROM 'SELECT :"a",:"b"';
EXECUTE stmt USING @a, @b;
PREPARE stmt FROM 'SELECT :"aaa",:"bbb"';
EXECUTE stmt USING @a, @b;
PREPARE stmt FROM 'SELECT :1,:2';
EXECUTE stmt USING @a, @b;
PREPARE stmt FROM 'SELECT :222,:111';
EXECUTE stmt USING @a, @b;
PREPARE stmt FROM 'SELECT :0,:65535';
EXECUTE stmt USING @a, @b;
PREPARE stmt FROM 'SELECT :65535,:0';
EXECUTE stmt USING @a, @b;
--echo #
--echo # MDEV-10709 Expressions as parameters to Dynamic SQL
--echo #
--echo #
--echo # Testing disallowed expressions in USING
--echo #
PREPARE stmt FROM 'SELECT :1 FROM DUAL';
--error ER_PARSE_ERROR
EXECUTE stmt USING (SELECT 1);
DEALLOCATE PREPARE stmt;
DELIMITER $$;
CREATE FUNCTION f1() RETURN VARCHAR
AS
BEGIN
RETURN 'test';
END;
$$
DELIMITER ;$$
PREPARE stmt FROM 'SELECT ? FROM DUAL';
--error ER_SUBQUERIES_NOT_SUPPORTED
EXECUTE stmt USING f1();
DEALLOCATE PREPARE stmt;
DROP FUNCTION f1;
--echo #
--echo # Using a user variable as a EXECUTE..USING out parameter
--echo #
DELIMITER /;
CREATE PROCEDURE p1(a OUT INT)
AS
BEGIN
a:= 10;
END;
/
DELIMITER ;/
SET @a=1;
CALL p1(@a);
SELECT @a;
SET @a=2;
PREPARE stmt FROM 'CALL p1(?)';
EXECUTE stmt USING @a;
SELECT @a;
DROP PROCEDURE p1;
--echo #
--echo # Using an SP variable as a EXECUTE..USING out parameter
--echo #
DELIMITER /;
CREATE PROCEDURE p1 (a OUT INT)
AS
BEGIN
a:=10;
END;
/
CREATE PROCEDURE p2 (a OUT INT)
AS
BEGIN
PREPARE stmt FROM 'CALL p1(?)';
EXECUTE stmt USING a;
END;
/
DELIMITER ;/
SET @a= 1;
CALL p2(@a);
SELECT @a;
DROP PROCEDURE p2;
DROP PROCEDURE p1;
--echo #
--echo # Using a trigger field as a EXECUTE..USING out parameter
--echo #
DELIMITER /;
CREATE PROCEDURE p1 (a OUT INT)
AS
BEGIN
a:= 10;
END;
/
DELIMITER ;/
CREATE TABLE t1 (a INT);
CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW CALL p1(:NEW.a);
INSERT INTO t1 VALUES (1);
SELECT * FROM t1;
DROP TABLE t1;
DROP PROCEDURE p1;
--echo #
--echo # Testing re-prepare on a table metadata update between PREPARE and EXECUTE
--echo #
CREATE TABLE t1 (a INT);
DELIMITER /;
CREATE PROCEDURE p1(a IN INT)
AS
BEGIN
INSERT INTO t1 VALUES (a);
END;
/
DELIMITER ;/
PREPARE stmt FROM 'CALL p1(?)';
EXECUTE stmt USING 10;
SELECT * FROM t1;
CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW NEW.a:=NEW.a+1;
EXECUTE stmt USING 20;
SELECT * FROM t1;
DEALLOCATE PREPARE stmt;
DROP PROCEDURE p1;
DROP TABLE t1;
--echo #
--echo # End of MDEV-10709 Expressions as parameters to Dynamic SQL
--echo #
--echo #
--echo # MDEV-10585 EXECUTE IMMEDIATE statement
--echo #
--echo #
--echo # Testing disallowed expressions in USING
--echo #
--error ER_PARSE_ERROR
EXECUTE IMMEDIATE 'SELECT :1 FROM DUAL' USING (SELECT 1);
DELIMITER $$;
CREATE FUNCTION f1() RETURN VARCHAR
AS
BEGIN
RETURN 'test';
END;
$$
DELIMITER ;$$
--error ER_SUBQUERIES_NOT_SUPPORTED
EXECUTE IMMEDIATE 'SELECT ? FROM DUAL' USING f1();
DROP FUNCTION f1;
--echo #
--echo # Testing simple expressions
--echo #
EXECUTE IMMEDIATE 'SELECT :1 FROM DUAL' USING 10;
--echo #
--echo # MDEV-10866 Extend PREPARE and EXECUTE IMMEDIATE to understand expressions
--echo #
--echo #
--echo # Testing erroneous and diallowed prepare source
--echo #
--error ER_CANT_AGGREGATE_2COLLATIONS
EXECUTE IMMEDIATE _latin1'SELECT 1 AS c FROM ' || _latin2 'DUAL';
--error ER_CANT_AGGREGATE_2COLLATIONS
PREPARE stmt FROM _latin1'SELECT 1 AS c FROM ' || _latin2 'DUAL';
--error ER_PARSE_ERROR
EXECUTE IMMEDIATE (SELECT 'SELECT 1');
--error ER_PARSE_ERROR
PREPARE stmt FROM (SELECT 'SELECT 1');
--error ER_BAD_FIELD_ERROR
EXECUTE IMMEDIATE a;
--error ER_BAD_FIELD_ERROR
PREPARE stmt FROM a;
--error ER_PARSE_ERROR
EXECUTE IMMEDIATE NULL;
--error ER_PARSE_ERROR
PREPARE stmt FROM NULL;
--error ER_PARSE_ERROR
EXECUTE IMMEDIATE COALESCE(NULL);
--error ER_PARSE_ERROR
PREPARE stmt FROM COALESCE(NULL);
DELIMITER $$;
CREATE FUNCTION f1() RETURN VARCHAR
AS
BEGIN
RETURN 't1';
END;
$$
DELIMITER ;$$
--error ER_SUBQUERIES_NOT_SUPPORTED
EXECUTE IMMEDIATE f1();
--error ER_SUBQUERIES_NOT_SUPPORTED
PREPARE stmt FROM f1();
DROP FUNCTION f1;
--echo #
--echo # Testing user variables in prepare source
--echo #
SET @table_name='DUAL';
EXECUTE IMMEDIATE 'SELECT 1 AS a FROM ' || @table_name;
PREPARE stmt FROM 'SELECT 1 AS a FROM ' || @table_name;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
--echo #
--echo # Testing SP parameters and variables in prepare source
--echo #
DELIMITER $$;
CREATE PROCEDURE p1(table_name VARCHAR)
AS
BEGIN
EXECUTE IMMEDIATE 'SELECT 1 AS c FROM '|| table_name;
END;
$$
DELIMITER ;$$
CALL p1('DUAL');
DROP PROCEDURE p1;
DELIMITER $$;
CREATE PROCEDURE p1()
AS
table_name VARCHAR(64):='DUAL';
BEGIN
EXECUTE IMMEDIATE 'SELECT 1 AS c FROM ' || table_name;
END;
$$
DELIMITER ;$$
CALL p1();
DROP PROCEDURE p1;
--echo #
--echo # End of MDEV-10866 Extend PREPARE and EXECUTE IMMEDIATE to understand expressions
--echo #
|
