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
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
# name: test/sql/prepared/prepare_default_varchar.test
# description: Prepared parameters default to VARCHAR if the type could not be deduced
# group: [prepared]
statement ok
PRAGMA enable_verification
# single unbound parameter
statement ok
PREPARE v1 AS SELECT ?
query I
EXECUTE v1(27)
----
27
query I
EXECUTE v1('hello world')
----
hello world
query I
EXECUTE v1([1, 2, 3])
----
[1, 2, 3]
# comparison between two parameters
statement ok
PREPARE v2 AS SELECT ?=?
query I
EXECUTE v2(27, 27)
----
true
query I
EXECUTE v2('hello world', 'hello mars')
----
false
query I
EXECUTE v2(1, 1.0)
----
true
#is true now string to list casting is implemented
query I
EXECUTE v2([1, 2, 3], '[1, 2, 3]')
----
true
statement error
EXECUTE v2([[1, 2, 3]], [1, 2, 3])
----
# unbound parameter in scalar subquery
statement ok
PREPARE v3 AS SELECT (SELECT ?)
query I
EXECUTE v3(27)
----
27
query I
EXECUTE v3('hello world')
----
hello world
query I
EXECUTE v3([1, 2, 3])
----
[1, 2, 3]
# unbound parameter with IS NULL
statement ok
PREPARE v4 AS SELECT ? IS NULL
query I
EXECUTE v4(27)
----
false
query I
EXECUTE v4('hello world')
----
false
query I
EXECUTE v4(NULL)
----
true
# unbound parameter with IN list
statement ok
PREPARE v5 AS SELECT ? IN (?, ?)
query I
EXECUTE v5(27, 27, 28)
----
true
query I
EXECUTE v5('hello world', 'hello', 'world')
----
false
query I
EXECUTE v5(NULL, 27, 28)
----
NULL
# unbound parameter with COUNT
statement ok
PREPARE v6 AS SELECT COUNT(?)
query I
EXECUTE v6(27)
----
1
query I
EXECUTE v6('hello world')
----
1
query I
EXECUTE v6(NULL)
----
0
# unbound parameter with printf
statement ok
PREPARE v7 AS SELECT printf('%s: %d', ?, ?)
query I
EXECUTE v7('time', 27)
----
time: 27
statement error
EXECUTE v7('hello world', [1, 2, 3])
----
# unbound parameter with lists
statement ok
PREPARE v8 AS SELECT [?]
query I
EXECUTE v8(27)
----
[27]
query I
EXECUTE v8('hello world')
----
[hello world]
query I
EXECUTE v8(NULL)
----
[NULL]
# unbound parameter with lists and NULL
statement ok
PREPARE v9 AS SELECT [?, NULL]
query I
EXECUTE v9(27)
----
[27, NULL]
query I
EXECUTE v9('hello world')
----
[hello world, NULL]
query I
EXECUTE v9(NULL)
----
[NULL, NULL]
# unbound parameter with structs
statement ok
PREPARE v10 AS SELECT {'x': ?}
query I
EXECUTE v10(27)
----
{'x': 27}
query I
EXECUTE v10('hello world')
----
{'x': hello world}
query I
EXECUTE v10(NULL)
----
{'x': NULL}
# unbound parameter with structs and NULL
statement ok
PREPARE v11 AS SELECT {'x': ?, 'y': NULL}
query I
EXECUTE v11(27)
----
{'x': 27, 'y': NULL}
query I
EXECUTE v11('hello world')
----
{'x': hello world, 'y': NULL}
query I
EXECUTE v11(NULL)
----
{'x': NULL, 'y': NULL}
# values list
statement ok
PREPARE v12 AS SELECT * FROM (VALUES (?, ?), (?, ?)) tbl(i, j)
query II
EXECUTE v12(27, 28, 29, 30)
----
27 28
29 30
query II
EXECUTE v12('hello', 'world', 'a', NULL)
----
hello world
a NULL
# case
statement ok
PREPARE v13 AS SELECT CASE WHEN ? THEN ? ELSE ? END
query I
EXECUTE v13(1=1, 1, 2)
----
1
query I
EXECUTE v13(1=0, 'hello', 'world')
----
world
# parameter and null
statement ok
PREPARE v14 AS SELECT ?+NULL
query I
EXECUTE v14(1)
----
NULL
statement ok
PREPARE v15 AS SELECT ?=NULL
query I
EXECUTE v15(1)
----
NULL
# issue #2125
statement ok
PREPARE v16 AS SELECT CASE WHEN (? = 1) AND (? = 2) AND (? = 3) AND ((? IS NULL)) THEN 1.5 ELSE 2.5 END AS a
query I
EXECUTE v16(1, 2, 3, NULL)
----
1.5
query I
EXECUTE v16(1, 2, 4, NULL)
----
2.5
|
