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
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
|
# name: test/sql/window/test_fill.test_slow
# description: Test Fill function
# group: [window]
#
# Error checks
#
# Only one ordering allowed
statement error
select fill(i) over (order by i, 10-i) from range(3) tbl(i);
----
FILL functions must have only one ORDER BY expression
# Streaming not supported because the interpolation values might be too far away.
statement error
select fill(i) over () from range(3) tbl(i);
----
FILL functions must have only one ORDER BY expression
# Argument must be numeric
statement error
select fill(i::VARCHAR) over (order by i) from range(3) tbl(i);
----
FILL argument must support subtraction
# Ordering must be numeric
statement error
select fill(i) over (order by i::VARCHAR) from range(3) tbl(i);
----
FILL ordering must support subtraction
# No values in partition chunk
statement ok
with null_chunk as (
select
1 as p,
s,
NULL::DOUBLE as v,
from range(2050) tbl(s)
union all
select
2 as p,
s,
s::DOUBLE as v,
from range(16) tbl(s)
)
select
p,
s,
fill(v) over(partition by p order by s) as f,
from null_chunk
#
# Simple interpolation coverage tests
#
foreach ordertype tinyint smallint integer bigint hugeint float double utinyint usmallint uinteger ubigint uhugeint
foreach filltype tinyint smallint integer bigint hugeint float double utinyint usmallint uinteger ubigint uhugeint
loop nulled 0 3
# Between, before and after
query II
select
i,
fill(if(i = ${nulled}, NULL, i)::${filltype}) over(order by i::${ordertype}) as f
from range(3) tbl(i)
qualify i is distinct from f
----
endloop
# Single values
query II
select
i,
fill(if(i > 0, NULL, i)::${filltype}) over(order by i::${ordertype}) as f
from range(3) tbl(i)
qualify f is distinct from 0
----
# No values in partition
query II
select
i,
fill(if(i < 4, NULL, i)::${filltype}) over(partition by i // 2 order by i::${ordertype}) f
from range(8) tbl(i)
order by i
----
0 NULL
1 NULL
2 NULL
3 NULL
4 4
5 5
6 6
7 7
# Outside valid sort values
query II
select
i,
fill(if(i = 2, NULL, i)::${filltype}) over(order by if(i < 4, NULL, i)::${ordertype}) f
from range(8) tbl(i)
qualify i is distinct from f
order by i
----
2 NULL
foreach sense asc desc
foreach nulls first last
# NULL sort key coverage
query II
select
i,
fill(i::${filltype}) over(order by i::${ordertype} ${sense} nulls ${nulls}) f
from (
from range(3) r(i)
union all
select NULL as i
) tbl(i)
qualify i is distinct from f
order by i
----
endloop
endloop
endloop
endloop
foreach ordertype smallint integer bigint hugeint float double usmallint uinteger ubigint uhugeint
foreach filltype smallint integer bigint hugeint float double usmallint uinteger ubigint uhugeint
# Previous in another chunk
query II
select
i,
fill(if(i = 2048, NULL, i)::${filltype}) over(order by i::${ordertype}) f
from range(2060) tbl(i)
qualify i <> f
----
endloop
endloop
#
# Temporal coverage
#
foreach ordertype date timestamp timestamptz
foreach filltype date timestamp timestamptz
loop nulled 1 4
# Before, Between and After values
query II
select
i,
fill(if(day(i) = ${nulled}, NULL, i)::${filltype}) over(order by i::${ordertype}) f
from range('2025-01-01'::DATE, '2025-01-04'::DATE, INTERVAL 1 DAY) tbl(i)
qualify f <> i
----
endloop
foreach sense asc desc
foreach nulls first last
# NULL sort key coverage
query II
select
i,
fill(i::${filltype}) over(order by i::${ordertype} ${sense} nulls ${nulls}) f
from (
from range('2025-01-01'::DATE, '2025-01-04'::DATE, INTERVAL 1 DAY) r(i)
union all
select NULL as i
) tbl(i)
qualify i is distinct from f
order by i
----
endloop
endloop
# Single values
query II
select
i,
fill(if(day(i) > 1, NULL, i)::${filltype}) over(order by i::${ordertype}) f
from range('2025-01-01'::DATE, '2025-01-04'::DATE, INTERVAL 1 DAY) tbl(i)
qualify f <> '2025-01-01'::DATE
----
# No values in partition
query II
select
i,
fill(if(day(i) < 5, NULL, i)::${filltype}) over(partition by (day(i) - 1) // 2 order by i::${ordertype}) f
from range('2025-01-01'::DATE, '2025-01-09'::DATE, INTERVAL 1 DAY) tbl(i)
qualify f is NULL
order by i
----
2025-01-01 00:00:00 NULL
2025-01-02 00:00:00 NULL
2025-01-03 00:00:00 NULL
2025-01-04 00:00:00 NULL
# Outside valid sort values
query II
select
i,
fill(if(day(i) = 3, NULL, i)::${filltype}) over(order by if(day(i) < 5, NULL, i)::${ordertype}) f
from range('2025-01-01'::DATE, '2025-01-09'::DATE, INTERVAL 1 DAY) tbl(i)
qualify i is distinct from f
order by i
----
2025-01-03 00:00:00 NULL
# Previous in another chunk
query II
select
i,
fill(if(i = '2015-01-01'::DATE + 2048, NULL, i)::${filltype}) over(order by i::${ordertype}) f
from range('2025-01-01'::DATE, '2020-08-22'::DATE, INTERVAL 1 DAY) tbl(i)
qualify i <> f
----
endloop
endloop
# Time
loop nulled 1 4
# Before, Between and After values
query II
select
i::TIME t,
fill(if(minute(i) = ${nulled}, NULL, i)::TIME) over(order by i::TIME) f
from range('2025-01-01'::TIMESTAMP, '2025-01-01 00:03'::TIMESTAMP, INTERVAL 1 MINUTE) tbl(i)
qualify f <> t
----
endloop
foreach sense asc desc
foreach nulls first last
# NULL sort key coverage
query II
select
i::TIME t,
fill(t) over(order by t ${sense} nulls ${nulls}) f
from (
from range('2025-01-01'::TIMESTAMP, '2025-01-01 00:03'::TIMESTAMP, INTERVAL 1 MINUTE) r(i)
union all
select NULL as i
) tbl(i)
qualify t is distinct from f
order by t
----
endloop
endloop
# Single values
query II
select
i::TIME t,
fill(if(minute(i) > 0, NULL, i)::TIME) over(order by i::TIME) f
from range('2025-01-01'::TIMESTAMP, '2025-01-01 00:03'::TIMESTAMP, INTERVAL 1 MINUTE) tbl(i)
qualify f <> '00:00:00'::TIME
----
# No values in partition
query II
select
i::TIME t,
fill(if(minute(i) < 4, NULL, i)::TIME) over(partition by minute(i) // 2 order by i::TIME) f
from range('2025-01-01'::TIMESTAMP, '2025-01-01 00:09'::TIMESTAMP, INTERVAL 1 MINUTE) tbl(i)
qualify f is not NULL
order by t
----
00:04:00 00:04:00
00:05:00 00:05:00
00:06:00 00:06:00
00:07:00 00:07:00
00:08:00 00:08:00
# Outside valid sort values
query II
select
i::TIME t,
fill(if(minute(i) = 3, NULL, i)::TIME) over(order by if(minute(i) < 4, NULL, i)::TIME) f
from range('2025-01-01'::TIMESTAMP, '2025-01-01 00:09'::TIMESTAMP, INTERVAL 1 MINUTE) tbl(i)
qualify t is distinct from f
order by t
----
00:03:00 NULL
# Previous in another chunk
query II
select
i::TIME t,
fill(if(i = '2015-01-01'::TIMESTAMP + INTERVAL 2048 SECOND, NULL, i)::TIME) over(order by i::TIME) f
from range('2025-01-01'::TIMESTAMP, '2025-01-01 00:34:20'::TIMESTAMP, INTERVAL 1 SECOND) tbl(i)
qualify t <> f
----
#
# Extrapolation failures
#
# Signed
query II
with source as (
select
i,
if(i = -129, NULL, i)::TINYINT as missing
from range(-129, -120) tbl(i)
)
select
i,
fill(missing) over (order by i) as filled
from source
qualify filled is distinct from i
----
-129 NULL
query II
with source as (
select
i,
if(i = 128, NULL, i)::TINYINT as missing
from range(120, 129) tbl(i)
)
select
i,
fill(missing) over (order by i) as filled
from source
qualify filled is distinct from i
----
128 NULL
# Unsigned
query II
with source as (
select
i,
if(i = -1, NULL, i)::UTINYINT as missing
from range(-1, 10) tbl(i)
)
select
i,
fill(missing) over (order by i) as filled
from source
qualify filled is distinct from i
----
-1 NULL
query II
with source as (
select
i,
if(i = 256, NULL, i)::UTINYINT as missing
from range(250, 257) tbl(i)
)
select
i,
fill(missing) over (order by i) as filled
from source
qualify filled is distinct from i
----
256 NULL
#
# Unusable values
#
# If we use an unsuable value, the interpolation will produce strange values
# Infinity/NaN
foreach ordertype float double
foreach unusable 'infinity' '-infinity' 'NaN'
loop nullable 0 5
query II
select
i,
fill(if(i = ${nullable}, NULL, i)) over(order by i) f
from (
from range(5) r(i)
union all
select ${unusable}::${ordertype} as i
) tbl(i)
qualify i is distinct from f
order by i
----
endloop
endloop
endloop
# Temporal infinities
foreach ordertype date timestamp
foreach filltype date timestamp
foreach unusable 'infinity' '-infinity'
loop nulled 1 4
query II
select
i,
fill(if(day(i) = ${nulled}, NULL, i)::${filltype}) over(order by i::${ordertype}) f
from (
from range('2025-01-01'::DATE, '2025-01-05'::DATE, INTERVAL 1 DAY) r(i)
union all
select ${unusable}::${ordertype} as i
) tbl(i)
qualify f is NULL
order by i
----
endloop
endloop
endloop
endloop
|
