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Extended the time-diff format so that it can have a 5-digit year. This enables

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time differences to span the full range of dates supported by SQLite.  Also
fix some inaccuracies in the computation of time differences and add new
test cases.

FossilOrigin-Name: d57ddbf4eeeb3ccfe31871f098045b9e58634153a3c3030f597cb58c1177218a
This commit is contained in:
drh
2023-06-13 16:55:24 +00:00
parent d97e0d0e38
commit d34ce81867
4 changed files with 109 additions and 27 deletions
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87
test/timediff1.test
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@ -79,13 +79,16 @@ datetest 3.4 {timediff('1999-01-31','2000-03-02')} {-0001-01-02 00:00:00.000}
unset -nocomplain p1
unset -nocomplain p2
set p1 {
1 {0000-01-01 12:34:56}
2 {1776-07-04 13:00:00}
3 {1969-07-20 20:17}
4 {2440587.5}
5 {2000-05-29 14:26}
6 {2023-05-29 18:11}
7 {2050-05-29 14:26}
0 {-4713-11-24 12:00:00}
1 {-2000-04-30 05:19:26}
2 {0000-01-01 12:34:56}
3 {1776-07-04 13:00:00}
4 {1969-07-20 20:17}
5 {2440587.5}
6 {2000-05-29 14:26}
7 {2023-05-29 18:11}
8 {2050-05-29 14:26}
9 {4796-02-29 11:23:55.46}
}
set p2 {
A {1066-10-14}
@ -102,6 +105,8 @@ set p2 {
K {2006-06-30 01:23:45}
L {2007-12-31 02:00}
M {2008-01-01 01:59}
N {3152-07-04 12:00}
P {9999-12-31 23:59:59}
}
foreach {x1 d1} $p1 {
@ -144,6 +149,74 @@ datetest 5-18 {datetime('2000-01-01','+0001-02-03 01:02:03.500')} \
datetest 5-19 {datetime('2000-01-01','+0001-02-03 01:02:03.500x')} {NULL}
datetest 5-20 {datetime('2000-01-01','+0001-02-03 01:02:03.500 x')} {NULL}
unset -nocomplain p1
unset -nocomplain p2
set p1 {
a {2000-01-01 00:00:00}
b {2000-01-31 23:59:59}
c {2000-02-01 00:00:00}
d {2000-02-29 23:59:59}
e {2000-03-01 00:00:00}
f {2000-03-31 23:59:59}
g {2000-04-01 00:00:00}
h {2000-04-30 23:59:59}
i {2000-05-01 00:00:00}
j {2000-05-31 23:59:59}
k {2000-06-01 00:00:00}
l {2000-06-30 23:59:59}
m {2000-07-01 00:00:00}
n {2000-07-31 23:59:59}
o {2000-08-01 00:00:00}
p {2000-08-31 23:59:59}
q {2000-09-01 00:00:00}
r {2000-09-30 23:59:59}
s {2000-10-01 00:00:00}
t {2000-10-31 23:59:59}
u {2000-11-01 00:00:00}
v {2000-11-30 23:59:59}
w {2000-12-01 00:00:00}
x {2000-12-31 23:59:59}
}
set p2 {
A {2001-01-01 00:00:00}
B {2001-01-31 23:59:59}
C {2001-02-01 00:00:00}
D {2001-02-28 23:59:59}
E {2001-03-01 00:00:00}
F {2001-03-31 23:59:59}
G {2001-04-01 00:00:00}
H {2001-04-30 23:59:59}
I {2001-05-01 00:00:00}
J {2001-05-31 23:59:59}
K {2001-06-01 00:00:00}
L {2001-06-30 23:59:59}
M {2001-07-01 00:00:00}
N {2001-07-31 23:59:59}
O {2001-08-01 00:00:00}
P {2001-08-31 23:59:59}
Q {2001-09-01 00:00:00}
R {2001-09-30 23:59:59}
S {2001-10-01 00:00:00}
T {2001-10-31 23:59:59}
U {2001-11-01 00:00:00}
V {2001-11-30 23:59:59}
W {2001-12-01 00:00:00}
X {2001-12-31 23:59:59}
}
foreach {x1 d1} $p1 {
foreach {x2 d2} $p2 {
set r1 [db one {SELECT datetime($d1)}]
do_execsql_test timediff-6-$x1$x2 {
SELECT datetime($d2, timediff($d1,$d2));
} [list $r1]
set r2 [db one {SELECT datetime($d2)}]
do_execsql_test timediff-6-$x2$x1 {
SELECT datetime($d1, timediff($d2,$d1));
} [list $r2]
}
}
finish_test