3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
6 # May you do good and not evil.
7 # May you find forgiveness for yourself and forgive others.
8 # May you share freely, never taking more than you give.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. The
12 # focus of this file is testing date and time functions.
14 # $Id: date.test,v 1.31 2008/07/08 02:12:37 drh Exp $
16 set testdir [file dirname $argv0]
17 source $testdir/tester.tcl
19 # Skip this whole file if date and time functions are omitted
22 ifcapable {!datetime} {
27 proc datetest {tnum expr result} {
28 do_test date-$tnum [subst {
29 execsql "SELECT coalesce($expr,'NULL')"
33 datetest 1.1 julianday('2000-01-01') 2451544.5
34 datetest 1.2 julianday('1970-01-01') 2440587.5
35 datetest 1.3 julianday('1910-04-20') 2418781.5
36 datetest 1.4 julianday('1986-02-09') 2446470.5
37 datetest 1.5 julianday('12:00:00') 2451545.0
38 datetest 1.6 {julianday('2000-01-01 12:00:00')} 2451545.0
39 datetest 1.7 {julianday('2000-01-01 12:00')} 2451545.0
40 datetest 1.8 julianday('bogus') NULL
41 datetest 1.9 julianday('1999-12-31') 2451543.5
42 datetest 1.10 julianday('1999-12-32') NULL
43 datetest 1.11 julianday('1999-13-01') NULL
44 datetest 1.12 julianday('2003-02-31') 2452701.5
45 datetest 1.13 julianday('2003-03-03') 2452701.5
46 datetest 1.14 julianday('+2000-01-01') NULL
47 datetest 1.15 julianday('200-01-01') NULL
48 datetest 1.16 julianday('2000-1-01') NULL
49 datetest 1.17 julianday('2000-01-1') NULL
50 datetest 1.18.1 {julianday('2000-01-01 12:00:00')} 2451545.0
51 datetest 1.18.2 {julianday('2000-01-01T12:00:00')} 2451545.0
52 datetest 1.18.3 {julianday('2000-01-01 T12:00:00')} 2451545.0
53 datetest 1.18.4 {julianday('2000-01-01T 12:00:00')} 2451545.0
54 datetest 1.18.4 {julianday('2000-01-01 T 12:00:00')} 2451545.0
55 datetest 1.19 {julianday('2000-01-01 12:00:00.1')} 2451545.00000116
56 datetest 1.20 {julianday('2000-01-01 12:00:00.01')} 2451545.00000012
57 datetest 1.21 {julianday('2000-01-01 12:00:00.001')} 2451545.00000001
58 datetest 1.22 {julianday('2000-01-01 12:00:00.')} NULL
59 datetest 1.23 julianday(12345.6) 12345.6
60 datetest 1.23b julianday('12345.6') 12345.6
61 datetest 1.24 {julianday('2001-01-01 12:00:00 bogus')} NULL
62 datetest 1.25 {julianday('2001-01-01 bogus')} NULL
63 datetest 1.26 {julianday('2001-01-01 12:60:00')} NULL
64 datetest 1.27 {julianday('2001-01-01 12:59:60')} NULL
65 datetest 1.28 {julianday('2001-00-01')} NULL
66 datetest 1.29 {julianday('2001-01-00')} NULL
68 datetest 2.1 datetime(0,'unixepoch') {1970-01-01 00:00:00}
69 datetest 2.1b datetime(0,'unixepoc') NULL
70 datetest 2.1c datetime(0,'unixepochx') NULL
71 datetest 2.1d datetime('2003-10-22','unixepoch') NULL
72 datetest 2.2 datetime(946684800,'unixepoch') {2000-01-01 00:00:00}
73 datetest 2.2b datetime('946684800','unixepoch') {2000-01-01 00:00:00}
74 datetest 2.3 {date('2003-10-22','weekday 0')} 2003-10-26
75 datetest 2.4 {date('2003-10-22','weekday 1')} 2003-10-27
76 datetest 2.4a {date('2003-10-22','weekday 1')} 2003-10-27
77 datetest 2.4b {date('2003-10-22','weekday 1x')} 2003-10-27
78 datetest 2.4c {date('2003-10-22','weekday -1')} NULL
79 datetest 2.4d {date('2003-10-22','weakday 1x')} NULL
80 datetest 2.4e {date('2003-10-22','weekday ')} NULL
81 datetest 2.5 {date('2003-10-22','weekday 2')} 2003-10-28
82 datetest 2.6 {date('2003-10-22','weekday 3')} 2003-10-22
83 datetest 2.7 {date('2003-10-22','weekday 4')} 2003-10-23
84 datetest 2.8 {date('2003-10-22','weekday 5')} 2003-10-24
85 datetest 2.9 {date('2003-10-22','weekday 6')} 2003-10-25
86 datetest 2.10 {date('2003-10-22','weekday 7')} NULL
87 datetest 2.11 {date('2003-10-22','weekday 5.5')} NULL
88 datetest 2.12 {datetime('2003-10-22 12:34','weekday 0')} {2003-10-26 12:34:00}
89 datetest 2.13 {datetime('2003-10-22 12:34','start of month')} \
91 datetest 2.14 {datetime('2003-10-22 12:34','start of year')} \
93 datetest 2.15 {datetime('2003-10-22 12:34','start of day')} \
95 datetest 2.15a {datetime('2003-10-22 12:34','start of')} NULL
96 datetest 2.15b {datetime('2003-10-22 12:34','start of bogus')} NULL
97 datetest 2.16 time('12:34:56.43') 12:34:56
98 datetest 2.17 {datetime('2003-10-22 12:34','1 day')} {2003-10-23 12:34:00}
99 datetest 2.18 {datetime('2003-10-22 12:34','+1 day')} {2003-10-23 12:34:00}
100 datetest 2.19 {datetime('2003-10-22 12:34','+1.25 day')} {2003-10-23 18:34:00}
101 datetest 2.20 {datetime('2003-10-22 12:34','-1.0 day')} {2003-10-21 12:34:00}
102 datetest 2.21 {datetime('2003-10-22 12:34','1 month')} {2003-11-22 12:34:00}
103 datetest 2.22 {datetime('2003-10-22 12:34','11 month')} {2004-09-22 12:34:00}
104 datetest 2.23 {datetime('2003-10-22 12:34','-13 month')} {2002-09-22 12:34:00}
105 datetest 2.24 {datetime('2003-10-22 12:34','1.5 months')} {2003-12-07 12:34:00}
106 datetest 2.25 {datetime('2003-10-22 12:34','-5 years')} {1998-10-22 12:34:00}
107 datetest 2.26 {datetime('2003-10-22 12:34','+10.5 minutes')} \
108 {2003-10-22 12:44:30}
109 datetest 2.27 {datetime('2003-10-22 12:34','-1.25 hours')} \
110 {2003-10-22 11:19:00}
111 datetest 2.28 {datetime('2003-10-22 12:34','11.25 seconds')} \
112 {2003-10-22 12:34:11}
113 datetest 2.29 {datetime('2003-10-22 12:24','+5 bogus')} NULL
114 datetest 2.30 {datetime('2003-10-22 12:24','+++')} NULL
115 datetest 2.31 {datetime('2003-10-22 12:24','+12.3e4 femtoseconds')} NULL
116 datetest 2.32 {datetime('2003-10-22 12:24','+12.3e4 uS')} NULL
117 datetest 2.33 {datetime('2003-10-22 12:24','+1 abc')} NULL
118 datetest 2.34 {datetime('2003-10-22 12:24','+1 abcd')} NULL
119 datetest 2.35 {datetime('2003-10-22 12:24','+1 abcde')} NULL
120 datetest 2.36 {datetime('2003-10-22 12:24','+1 abcdef')} NULL
121 datetest 2.37 {datetime('2003-10-22 12:24','+1 abcdefg')} NULL
122 datetest 2.38 {datetime('2003-10-22 12:24','+1 abcdefgh')} NULL
123 datetest 2.39 {datetime('2003-10-22 12:24','+1 abcdefghi')} NULL
124 set sqlite_current_time 1199243045
125 datetest 2.40 {datetime()} {2008-01-02 03:04:05}
126 set sqlite_current_time 0
127 datetest 2.41 {datetime('2003-10-22 12:24','23 seconds')} {2003-10-22 12:24:23}
128 datetest 2.42 {datetime('2003-10-22 12:24','345 second')} {2003-10-22 12:29:45}
129 datetest 2.43 {datetime('2003-10-22 12:24','4 second')} {2003-10-22 12:24:04}
130 datetest 2.44 {datetime('2003-10-22 12:24','56 second')} {2003-10-22 12:24:56}
131 datetest 2.45 {datetime('2003-10-22 12:24','60 second')} {2003-10-22 12:25:00}
132 datetest 2.46 {datetime('2003-10-22 12:24','70 second')} {2003-10-22 12:25:10}
133 datetest 2.47 {datetime('2003-10-22 12:24','8.6 seconds')} {2003-10-22 12:24:08}
134 datetest 2.48 {datetime('2003-10-22 12:24','9.4 second')} {2003-10-22 12:24:09}
135 datetest 2.49 {datetime('2003-10-22 12:24','0000 second')} {2003-10-22 12:24:00}
136 datetest 2.50 {datetime('2003-10-22 12:24','0001 second')} {2003-10-22 12:24:01}
137 datetest 2.51 {datetime('2003-10-22 12:24','nonsense')} NULL
139 datetest 3.1 {strftime('%d','2003-10-31 12:34:56.432')} 31
140 datetest 3.2.1 {strftime('pre%fpost','2003-10-31 12:34:56.432')} pre56.432post
141 datetest 3.2.2 {strftime('%f','2003-10-31 12:34:59.9999999')} 59.999
142 datetest 3.3 {strftime('%H','2003-10-31 12:34:56.432')} 12
143 datetest 3.4 {strftime('%j','2003-10-31 12:34:56.432')} 304
144 datetest 3.5 {strftime('%J','2003-10-31 12:34:56.432')} 2452944.02426426
145 datetest 3.6 {strftime('%m','2003-10-31 12:34:56.432')} 10
146 datetest 3.7 {strftime('%M','2003-10-31 12:34:56.432')} 34
147 datetest 3.8 {strftime('%s','2003-10-31 12:34:56.432')} 1067603696
148 datetest 3.9 {strftime('%S','2003-10-31 12:34:56.432')} 56
149 datetest 3.10 {strftime('%w','2003-10-31 12:34:56.432')} 5
150 datetest 3.11.1 {strftime('%W','2003-10-31 12:34:56.432')} 43
151 datetest 3.11.2 {strftime('%W','2004-01-01')} 00
152 datetest 3.11.3 {strftime('%W','2004-01-02')} 00
153 datetest 3.11.4 {strftime('%W','2004-01-03')} 00
154 datetest 3.11.5 {strftime('abc%Wxyz','2004-01-04')} abc00xyz
155 datetest 3.11.6 {strftime('%W','2004-01-05')} 01
156 datetest 3.11.7 {strftime('%W','2004-01-06')} 01
157 datetest 3.11.8 {strftime('%W','2004-01-07')} 01
158 datetest 3.11.9 {strftime('%W','2004-01-08')} 01
159 datetest 3.11.10 {strftime('%W','2004-01-09')} 01
160 datetest 3.11.11 {strftime('%W','2004-07-18')} 28
161 datetest 3.11.12 {strftime('%W','2004-12-31')} 52
162 datetest 3.11.13 {strftime('%W','2007-12-31')} 53
163 datetest 3.11.14 {strftime('%W','2007-01-01')} 01
164 datetest 3.11.15 {strftime('%W %j',2454109.04140970)} {02 008}
165 datetest 3.11.16 {strftime('%W %j',2454109.04140971)} {02 008}
166 datetest 3.11.17 {strftime('%W %j',2454109.04140972)} {02 008}
167 datetest 3.11.18 {strftime('%W %j',2454109.04140973)} {02 008}
168 datetest 3.11.19 {strftime('%W %j',2454109.04140974)} {02 008}
169 datetest 3.11.20 {strftime('%W %j',2454109.04140975)} {02 008}
170 datetest 3.11.21 {strftime('%W %j',2454109.04140976)} {02 008}
171 datetest 3.11.22 {strftime('%W %j',2454109.04140977)} {02 008}
172 datetest 3.11.23 {strftime('%W %j',2454109.04140978)} {02 008}
173 datetest 3.11.24 {strftime('%W %j',2454109.04140979)} {02 008}
174 datetest 3.11.25 {strftime('%W %j',2454109.04140980)} {02 008}
175 datetest 3.11.99 {strftime('%W %j','2454109.04140970')} {02 008}
176 datetest 3.12 {strftime('%Y','2003-10-31 12:34:56.432')} 2003
177 datetest 3.13 {strftime('%%','2003-10-31 12:34:56.432')} %
178 datetest 3.14 {strftime('%_','2003-10-31 12:34:56.432')} NULL
179 datetest 3.15 {strftime('%Y-%m-%d','2003-10-31')} 2003-10-31
180 proc repeat {n txt} {
188 datetest 3.16 "strftime('[repeat 200 %Y]','2003-10-31')" [repeat 200 2003]
189 datetest 3.17 "strftime('[repeat 200 abc%m123]','2003-10-31')" \
190 [repeat 200 abc10123]
192 foreach c {a b c e g h i k l n o p q r t v x y z
193 A B C D E F G I K L N O P Q R T U V Z
194 0 1 2 3 4 5 6 6 7 9 _} {
195 datetest 3.18.$c "strftime('%$c','2003-10-31')" NULL
198 # Ticket #2276. Make sure leading zeros are inserted where appropriate.
201 {strftime('%d/%f/%H/%W/%j/%m/%M/%S/%Y','0421-01-02 03:04:05.006')} \
202 02/05.006/03/00/002/01/04/05/0421
204 set sqlite_current_time 1157124367
205 datetest 4.1 {date('now')} {2006-09-01}
206 set sqlite_current_time 0
208 datetest 5.1 {datetime('1994-04-16 14:00:00 +05:00')} {1994-04-16 09:00:00}
209 datetest 5.2 {datetime('1994-04-16 14:00:00 -05:15')} {1994-04-16 19:15:00}
210 datetest 5.3 {datetime('1994-04-16 05:00:00 +08:30')} {1994-04-15 20:30:00}
211 datetest 5.4 {datetime('1994-04-16 14:00:00 -11:55')} {1994-04-17 01:55:00}
212 datetest 5.5 {datetime('1994-04-16 14:00:00 -11:60')} NULL
213 datetest 5.6 {datetime('1994-04-16 14:00:00 -11:55 ')} {1994-04-17 01:55:00}
214 datetest 5.7 {datetime('1994-04-16 14:00:00 -11:55 x')} NULL
215 datetest 5.8 {datetime('1994-04-16T14:00:00Z')} {1994-04-16 14:00:00}
216 datetest 5.9 {datetime('1994-04-16 14:00:00z')} {1994-04-16 14:00:00}
217 datetest 5.10 {datetime('1994-04-16 14:00:00 Z')} {1994-04-16 14:00:00}
218 datetest 5.11 {datetime('1994-04-16 14:00:00z ')} {1994-04-16 14:00:00}
219 datetest 5.12 {datetime('1994-04-16 14:00:00 z ')} {1994-04-16 14:00:00}
220 datetest 5.13 {datetime('1994-04-16 14:00:00Zulu')} NULL
221 datetest 5.14 {datetime('1994-04-16 14:00:00Z +05:00')} NULL
222 datetest 5.15 {datetime('1994-04-16 14:00:00 +05:00 Z')} NULL
224 # localtime->utc and utc->localtime conversions. These tests only work
225 # if the localtime is in the US Eastern Time (the time in Charlotte, NC
228 # On non-Vista Windows platform, '2006-03-31' is treated incorrectly as being
229 # in DST giving a 4 hour offset instead of 5. In 2007, DST was extended to
230 # start three weeks earlier (second Sunday in March) and end one week
231 # later (first Sunday in November). Older Windows systems apply this
232 # new rule incorrectly to dates prior to 2007.
234 # It might be argued that this is masking a problem on non-Vista Windows
235 # platform. A ticket has already been opened for this issue
236 # (http://www.sqlite.org/cvstrac/tktview?tn=2322). This is just to prevent
237 # more confusion/reports of the issue.
240 # $tzoffset_old should be 5 if DST is working correctly.
241 set tzoffset_old [db one {
242 SELECT CAST(24*(julianday('2006-03-31') -
243 julianday('2006-03-31','localtime'))+0.5
247 # $tzoffset_new should be 4 if DST is working correctly.
248 set tzoffset_new [db one {
249 SELECT CAST(24*(julianday('2007-03-31') -
250 julianday('2007-03-31','localtime'))+0.5
254 # Warn about possibly broken Windows DST implementations.
255 if {$::tcl_platform(platform)=="windows" && $tzoffset_new==4 && $tzoffset_old==4} {
256 puts "******************************************************************"
257 puts "N.B.: The DST support provided by your current O/S seems to be"
258 puts "suspect in that it is reporting incorrect DST values for dates"
259 puts "prior to 2007. This is the known case for most (all?) non-Vista"
260 puts "Windows versions. Please see ticket #2322 for more information."
261 puts "******************************************************************"
264 if {$tzoffset_new==4} {
265 datetest 6.1 {datetime('2000-10-29 05:59:00','localtime')}\
266 {2000-10-29 01:59:00}
267 datetest 6.1.1 {datetime('2006-10-29 05:59:00','localtime')}\
268 {2006-10-29 01:59:00}
269 datetest 6.1.2 {datetime('2007-11-04 05:59:00','localtime')}\
270 {2007-11-04 01:59:00}
272 # If the new and old DST rules seem to be working correctly...
273 if {$tzoffset_new==4 && $tzoffset_old==5} {
274 datetest 6.2 {datetime('2000-10-29 06:00:00','localtime')}\
275 {2000-10-29 01:00:00}
276 datetest 6.2.1 {datetime('2006-10-29 06:00:00','localtime')}\
277 {2006-10-29 01:00:00}
279 datetest 6.2.2 {datetime('2007-11-04 06:00:00','localtime')}\
280 {2007-11-04 01:00:00}
282 # If the new and old DST rules seem to be working correctly...
283 if {$tzoffset_new==4 && $tzoffset_old==5} {
284 datetest 6.3 {datetime('2000-04-02 06:59:00','localtime')}\
285 {2000-04-02 01:59:00}
286 datetest 6.3.1 {datetime('2006-04-02 06:59:00','localtime')}\
287 {2006-04-02 01:59:00}
289 datetest 6.3.2 {datetime('2007-03-11 07:00:00','localtime')}\
290 {2007-03-11 03:00:00}
292 datetest 6.4 {datetime('2000-04-02 07:00:00','localtime')}\
293 {2000-04-02 03:00:00}
294 datetest 6.4.1 {datetime('2006-04-02 07:00:00','localtime')}\
295 {2006-04-02 03:00:00}
296 datetest 6.4.2 {datetime('2007-03-11 07:00:00','localtime')}\
297 {2007-03-11 03:00:00}
299 datetest 6.5 {datetime('2000-10-29 01:59:00','utc')} {2000-10-29 05:59:00}
300 datetest 6.5.1 {datetime('2006-10-29 01:59:00','utc')} {2006-10-29 05:59:00}
301 datetest 6.5.2 {datetime('2007-11-04 01:59:00','utc')} {2007-11-04 05:59:00}
303 # If the new and old DST rules seem to be working correctly...
304 if {$tzoffset_new==4 && $tzoffset_old==5} {
305 datetest 6.6 {datetime('2000-10-29 02:00:00','utc')} {2000-10-29 07:00:00}
306 datetest 6.6.1 {datetime('2006-10-29 02:00:00','utc')} {2006-10-29 07:00:00}
308 datetest 6.6.2 {datetime('2007-11-04 02:00:00','utc')} {2007-11-04 07:00:00}
310 # If the new and old DST rules seem to be working correctly...
311 if {$tzoffset_new==4 && $tzoffset_old==5} {
312 datetest 6.7 {datetime('2000-04-02 01:59:00','utc')} {2000-04-02 06:59:00}
313 datetest 6.7.1 {datetime('2006-04-02 01:59:00','utc')} {2006-04-02 06:59:00}
315 datetest 6.7.2 {datetime('2007-03-11 01:59:00','utc')} {2007-03-11 06:59:00}
317 datetest 6.8 {datetime('2000-04-02 02:00:00','utc')} {2000-04-02 06:00:00}
318 datetest 6.8.1 {datetime('2006-04-02 02:00:00','utc')} {2006-04-02 06:00:00}
319 datetest 6.8.2 {datetime('2007-03-11 02:00:00','utc')} {2007-03-11 06:00:00}
321 datetest 6.10 {datetime('2000-01-01 12:00:00','localtime')} \
322 {2000-01-01 07:00:00}
323 datetest 6.11 {datetime('1969-01-01 12:00:00','localtime')} \
324 {1969-01-01 07:00:00}
325 datetest 6.12 {datetime('2039-01-01 12:00:00','localtime')} \
326 {2039-01-01 07:00:00}
327 datetest 6.13 {datetime('2000-07-01 12:00:00','localtime')} \
328 {2000-07-01 08:00:00}
329 datetest 6.14 {datetime('1969-07-01 12:00:00','localtime')} \
330 {1969-07-01 07:00:00}
331 datetest 6.15 {datetime('2039-07-01 12:00:00','localtime')} \
332 {2039-07-01 07:00:00}
333 set sqlite_current_time \
334 [db eval {SELECT strftime('%s','2000-07-01 12:34:56')}]
335 datetest 6.16 {datetime('now','localtime')} {2000-07-01 08:34:56}
336 datetest 6.17 {datetime('now','localtimex')} NULL
337 datetest 6.18 {datetime('now','localtim')} NULL
338 set sqlite_current_time 0
341 # These two are a bit of a scam. They are added to ensure that 100% of
342 # the date.c file is covered by testing, even when the time-zone
343 # is not -0400 (the condition for running of the block of tests above).
345 datetest 6.19 {datetime('2039-07-01 12:00:00','localtime',null)} NULL
346 datetest 6.20 {datetime('2039-07-01 12:00:00','utc',null)} NULL
348 # Date-time functions that contain NULL arguments return a NULL
351 datetest 7.1 {datetime(null)} NULL
352 datetest 7.2 {datetime('now',null)} NULL
353 datetest 7.3 {datetime('now','localtime',null)} NULL
354 datetest 7.4 {time(null)} NULL
355 datetest 7.5 {time('now',null)} NULL
356 datetest 7.6 {time('now','localtime',null)} NULL
357 datetest 7.7 {date(null)} NULL
358 datetest 7.8 {date('now',null)} NULL
359 datetest 7.9 {date('now','localtime',null)} NULL
360 datetest 7.10 {julianday(null)} NULL
361 datetest 7.11 {julianday('now',null)} NULL
362 datetest 7.12 {julianday('now','localtime',null)} NULL
363 datetest 7.13 {strftime(null,'now')} NULL
364 datetest 7.14 {strftime('%s',null)} NULL
365 datetest 7.15 {strftime('%s','now',null)} NULL
366 datetest 7.16 {strftime('%s','now','localtime',null)} NULL
368 # Test modifiers when the date begins as a julian day number - to
369 # make sure the HH:MM:SS is preserved. Ticket #551.
371 set sqlite_current_time [db eval {SELECT strftime('%s','2003-10-22 12:34:00')}]
372 datetest 8.1 {datetime('now','weekday 0')} {2003-10-26 12:34:00}
373 datetest 8.2 {datetime('now','weekday 1')} {2003-10-27 12:34:00}
374 datetest 8.3 {datetime('now','weekday 2')} {2003-10-28 12:34:00}
375 datetest 8.4 {datetime('now','weekday 3')} {2003-10-22 12:34:00}
376 datetest 8.5 {datetime('now','start of month')} {2003-10-01 00:00:00}
377 datetest 8.6 {datetime('now','start of year')} {2003-01-01 00:00:00}
378 datetest 8.7 {datetime('now','start of day')} {2003-10-22 00:00:00}
379 datetest 8.8 {datetime('now','1 day')} {2003-10-23 12:34:00}
380 datetest 8.9 {datetime('now','+1 day')} {2003-10-23 12:34:00}
381 datetest 8.10 {datetime('now','+1.25 day')} {2003-10-23 18:34:00}
382 datetest 8.11 {datetime('now','-1.0 day')} {2003-10-21 12:34:00}
383 datetest 8.12 {datetime('now','1 month')} {2003-11-22 12:34:00}
384 datetest 8.13 {datetime('now','11 month')} {2004-09-22 12:34:00}
385 datetest 8.14 {datetime('now','-13 month')} {2002-09-22 12:34:00}
386 datetest 8.15 {datetime('now','1.5 months')} {2003-12-07 12:34:00}
387 datetest 8.16 {datetime('now','-5 years')} {1998-10-22 12:34:00}
388 datetest 8.17 {datetime('now','+10.5 minutes')} {2003-10-22 12:44:30}
389 datetest 8.18 {datetime('now','-1.25 hours')} {2003-10-22 11:19:00}
390 datetest 8.19 {datetime('now','11.25 seconds')} {2003-10-22 12:34:11}
391 datetest 8.90 {datetime('now','abcdefghijklmnopqrstuvwyxzABCDEFGHIJLMNOP')} NULL
392 set sqlite_current_time 0
394 # Negative years work. Example: '-4713-11-26' is JD 1.5.
396 datetest 9.1 {julianday('-4713-11-24 12:00:00')} {0.0}
397 datetest 9.2 {julianday(datetime(5))} {5.0}
398 datetest 9.3 {julianday(datetime(10))} {10.0}
399 datetest 9.4 {julianday(datetime(100))} {100.0}
400 datetest 9.5 {julianday(datetime(1000))} {1000.0}
401 datetest 9.6 {julianday(datetime(10000))} {10000.0}
402 datetest 9.7 {julianday(datetime(100000))} {100000.0}
404 # datetime() with just an HH:MM:SS correctly inserts the date 2000-01-01.
406 datetest 10.1 {datetime('01:02:03')} {2000-01-01 01:02:03}
407 datetest 10.2 {date('01:02:03')} {2000-01-01}
408 datetest 10.3 {strftime('%Y-%m-%d %H:%M','01:02:03')} {2000-01-01 01:02}
410 # Test the new HH:MM:SS modifier
412 datetest 11.1 {datetime('2004-02-28 20:00:00', '-01:20:30')} \
413 {2004-02-28 18:39:30}
414 datetest 11.2 {datetime('2004-02-28 20:00:00', '+12:30:00')} \
415 {2004-02-29 08:30:00}
416 datetest 11.3 {datetime('2004-02-28 20:00:00', '+12:30')} \
417 {2004-02-29 08:30:00}
418 datetest 11.4 {datetime('2004-02-28 20:00:00', '12:30')} \
419 {2004-02-29 08:30:00}
420 datetest 11.5 {datetime('2004-02-28 20:00:00', '-12:00')} \
421 {2004-02-28 08:00:00}
422 datetest 11.6 {datetime('2004-02-28 20:00:00', '-12:01')} \
423 {2004-02-28 07:59:00}
424 datetest 11.7 {datetime('2004-02-28 20:00:00', '-11:59')} \
425 {2004-02-28 08:01:00}
426 datetest 11.8 {datetime('2004-02-28 20:00:00', '11:59')} \
427 {2004-02-29 07:59:00}
428 datetest 11.9 {datetime('2004-02-28 20:00:00', '12:01')} \
429 {2004-02-29 08:01:00}
430 datetest 11.10 {datetime('2004-02-28 20:00:00', '12:60')} NULL
433 datetest 12.1 {datetime('2005-09-01')} {2005-09-01 00:00:00}
434 datetest 12.2 {datetime('2005-09-01','+0 hours')} {2005-09-01 00:00:00}
439 SELECT strftime('%Y-%m-%d %H:%M:%f', julianday('2006-09-24T10:50:26.047'))
441 } {{2006-09-24 10:50:26.047}}
444 datetest 13.2 {strftime('%Y-%m-%d %H:%M:%S', '2007-01-01 12:34:59.6')} \
445 {2007-01-01 12:34:59}
446 datetest 13.3 {strftime('%Y-%m-%d %H:%M:%f', '2007-01-01 12:34:59.6')} \
447 {2007-01-01 12:34:59.600}
448 datetest 13.4 {strftime('%Y-%m-%d %H:%M:%S', '2007-01-01 12:59:59.6')} \
449 {2007-01-01 12:59:59}
450 datetest 13.5 {strftime('%Y-%m-%d %H:%M:%f', '2007-01-01 12:59:59.6')} \
451 {2007-01-01 12:59:59.600}
452 datetest 13.6 {strftime('%Y-%m-%d %H:%M:%S', '2007-01-01 23:59:59.6')} \
453 {2007-01-01 23:59:59}
454 datetest 13.7 {strftime('%Y-%m-%d %H:%M:%f', '2007-01-01 23:59:59.6')} \
455 {2007-01-01 23:59:59.600}
457 # Test for issues reported by BareFeet (list.sql at tandb.com.au)
458 # on mailing list on 2008-06-12.
460 # Put a floating point number in the database so that we can manipulate
461 # raw bits using the hexio interface.
465 PRAGMA auto_vacuum=OFF;
466 PRAGMA page_size = 1024;
468 INSERT INTO t1 VALUES(1.1);
471 hexio_write test.db 2040 4142ba32bffffff9
473 db eval {SELECT * FROM t1}
476 # Changing the least significant byte of the floating point value between
477 # 00 and FF should always generate a time of either 23:59:59 or 00:00:00,
480 for {set i 0} {$i<=255} {incr i} {
482 hexio_write test.db 2047 [format %02x $i]
484 do_test date-14.2.$i {
485 set date [db one {SELECT datetime(x) FROM t1}]
486 expr {$date eq "2008-06-12 00:00:00" || $date eq "2008-06-11 23:59:59"}