/ Check-in [f7002f86]
Login
SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:New test cases for window functions with RANGE BETWEEN and DESC NULLS FIRST.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: f7002f86c780e279c9f8a6268f317586519c059c9de2115ff6f1cad272570c29
User & Date: drh 2019-08-30 16:46:12
Context
2019-08-30
17:28
Add further comments to window.c. check-in: 90046456 user: dan tags: trunk
16:46
New test cases for window functions with RANGE BETWEEN and DESC NULLS FIRST. check-in: f7002f86 user: drh tags: trunk
16:14
Fix a bug in RANGE window functions that use "ORDER BY <expr> DESC NULLS FIRST" as the window-frame ORDER BY clause. check-in: 39b4cad4 user: dan tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Added test/windowA.test.









































































































































































































































































































































































































































































































































































































>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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
281
282
283
284
285
286
287
288
289
290
291
292
# 2019-08-30
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# Test cases for RANGE BETWEEN and especially with NULLS LAST
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix windowA

ifcapable !windowfunc {
  finish_test
  return
}

do_execsql_test 1.0 {
  CREATE TABLE t1(a INTEGER PRIMARY KEY, b CHAR(1), d FLOAT);
  INSERT INTO t1 VALUES
   (1, 'A', 5.4),
   (2, 'B', 5.55),
   (3, 'C', 8.0),
   (4, 'D', 10.25),
   (5, 'E', 10.26),
   (6, 'N', NULL),
   (7, 'N', NULL);
} {}

do_execsql_test 1.1 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS LAST
      RANGE BETWEEN 2.50 PRECEDING AND 2.25 FOLLOWING)
  ORDER BY +d DESC NULLS LAST, +a;
} [list \
  5 E 10.26 ED   \
  4 D 10.25 EDC  \
  3 C   8.0 EDC  \
  2 B  5.55 CBA  \
  1 A   5.4 BA   \
  6 N  NULL NN   \
  7 N  NULL NN   \
]

do_execsql_test 1.2 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS FIRST
      RANGE BETWEEN 2.50 PRECEDING AND 2.25 FOLLOWING)
  ORDER BY +d DESC NULLS FIRST, +a;
} [list \
  6 N  NULL NN   \
  7 N  NULL NN   \
  5 E 10.26 ED   \
  4 D 10.25 EDC  \
  3 C   8.0 EDC  \
  2 B  5.55 CBA  \
  1 A   5.4 BA   \
]

do_execsql_test 1.3 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS LAST
      RANGE BETWEEN 2.50 PRECEDING AND UNBOUNDED FOLLOWING)
  ORDER BY +d DESC NULLS LAST, +a;
} [list \
  5 E 10.26 EDCBANN  \
  4 D 10.25 EDCBANN  \
  3 C   8.0 EDCBANN  \
  2 B  5.55 CBANN    \
  1 A   5.4 BANN     \
  6 N  NULL NN       \
  7 N  NULL NN       \
]

do_execsql_test 1.4 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS FIRST
      RANGE BETWEEN 2.50 PRECEDING AND UNBOUNDED FOLLOWING)
  ORDER BY +d DESC NULLS FIRST, +a;
} [list \
  6 N  NULL NNEDCBA  \
  7 N  NULL NNEDCBA  \
  5 E 10.26 EDCBA    \
  4 D 10.25 EDCBA    \
  3 C   8.0 EDCBA    \
  2 B  5.55 CBA      \
  1 A   5.4 BA       \
]

do_execsql_test 1.5 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS LAST
      RANGE BETWEEN 2.50 PRECEDING AND CURRENT ROW)
  ORDER BY +d DESC NULLS LAST, +a;
} [list \
  5 E 10.26 E    \
  4 D 10.25 ED   \
  3 C   8.0 EDC  \
  2 B  5.55 CB   \
  1 A   5.4 BA   \
  6 N  NULL NN   \
  7 N  NULL NN   \
]

do_execsql_test 1.6 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS FIRST
      RANGE BETWEEN 2.50 PRECEDING AND CURRENT ROW)
  ORDER BY +d DESC NULLS FIRST, +a;
} [list \
  6 N  NULL NN   \
  7 N  NULL NN   \
  5 E 10.26 E    \
  4 D 10.25 ED   \
  3 C   8.0 EDC  \
  2 B  5.55 CB   \
  1 A   5.4 BA   \
]

do_execsql_test 2.1 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS LAST
      RANGE BETWEEN UNBOUNDED PRECEDING AND 2.25 FOLLOWING)
  ORDER BY +d DESC NULLS LAST, +a;
} [list \
  5 E 10.26 ED       \
  4 D 10.25 EDC      \
  3 C   8.0 EDC      \
  2 B  5.55 EDCBA    \
  1 A   5.4 EDCBA    \
  6 N  NULL EDCBANN  \
  7 N  NULL EDCBANN  \
]

do_execsql_test 2.2 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS FIRST
      RANGE BETWEEN UNBOUNDED PRECEDING AND 2.25 FOLLOWING)
  ORDER BY +d DESC NULLS FIRST, +a;
} [list \
  6 N  NULL NN         \
  7 N  NULL NN         \
  5 E 10.26 NNED       \
  4 D 10.25 NNEDC      \
  3 C   8.0 NNEDC      \
  2 B  5.55 NNEDCBA    \
  1 A   5.4 NNEDCBA    \
]

do_execsql_test 2.3 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS LAST
      RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING)
  ORDER BY +d DESC NULLS LAST, +a;
} [list \
  5 E 10.26 EDCBANN  \
  4 D 10.25 EDCBANN  \
  3 C   8.0 EDCBANN  \
  2 B  5.55 EDCBANN  \
  1 A   5.4 EDCBANN  \
  6 N  NULL EDCBANN  \
  7 N  NULL EDCBANN  \
]

do_execsql_test 2.4 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS FIRST
      RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING)
  ORDER BY +d DESC NULLS FIRST, +a;
} [list \
  6 N  NULL NNEDCBA  \
  7 N  NULL NNEDCBA  \
  5 E 10.26 NNEDCBA  \
  4 D 10.25 NNEDCBA  \
  3 C   8.0 NNEDCBA  \
  2 B  5.55 NNEDCBA  \
  1 A   5.4 NNEDCBA  \
]

do_execsql_test 2.5 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS LAST
      RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
  ORDER BY +d DESC NULLS LAST, +a;
} [list \
  5 E 10.26 E        \
  4 D 10.25 ED       \
  3 C   8.0 EDC      \
  2 B  5.55 EDCB     \
  1 A   5.4 EDCBA    \
  6 N  NULL EDCBANN  \
  7 N  NULL EDCBANN  \
]

do_execsql_test 2.6 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS FIRST
      RANGE BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW)
  ORDER BY +d DESC NULLS FIRST, +a;
} [list \
  6 N  NULL NN       \
  7 N  NULL NN       \
  5 E 10.26 NNE      \
  4 D 10.25 NNED     \
  3 C   8.0 NNEDC    \
  2 B  5.55 NNEDCB   \
  1 A   5.4 NNEDCBA  \
]


do_execsql_test 3.1 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS LAST
      RANGE BETWEEN CURRENT ROW AND 2.25 FOLLOWING)
  ORDER BY +d DESC NULLS LAST, +a;
} [list \
  5 E 10.26 ED       \
  4 D 10.25 DC       \
  3 C   8.0 C        \
  2 B  5.55 BA       \
  1 A   5.4 A        \
  6 N  NULL NN       \
  7 N  NULL NN       \
]

do_execsql_test 3.2 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS FIRST
      RANGE BETWEEN CURRENT ROW AND 2.25 FOLLOWING)
  ORDER BY +d DESC NULLS FIRST, +a;
} [list \
  6 N  NULL NN       \
  7 N  NULL NN       \
  5 E 10.26 ED       \
  4 D 10.25 DC       \
  3 C   8.0 C        \
  2 B  5.55 BA       \
  1 A   5.4 A        \
]

do_execsql_test 3.3 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS LAST
      RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING)
  ORDER BY +d DESC NULLS LAST, +a;
} [list \
  5 E 10.26 EDCBANN  \
  4 D 10.25 DCBANN   \
  3 C   8.0 CBANN    \
  2 B  5.55 BANN     \
  1 A   5.4 ANN      \
  6 N  NULL NN       \
  7 N  NULL NN       \
]

do_execsql_test 3.4 {
  SELECT a, b, quote(d), group_concat(b,'') OVER w1 FROM t1
  WINDOW w1 AS 
     (ORDER BY d DESC NULLS FIRST
      RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING)
  ORDER BY +d DESC NULLS FIRST, +a;
} [list \
  6 N  NULL NNEDCBA  \
  7 N  NULL NNEDCBA  \
  5 E 10.26 EDCBA    \
  4 D 10.25 DCBA     \
  3 C   8.0 CBA      \
  2 B  5.55 BA       \
  1 A   5.4 A        \
]

finish_test