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Support DATETIME - TIME

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This commit is contained in:
Dianne Skoll
2020-01-01 18:00:22 -05:00
parent aa830116ea
commit ff85325886
2 changed files with 8 additions and 5 deletions
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8
man/remind.1
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@@ -1761,9 +1761,11 @@ the original \fBDATE\fR.
earlier earlier
than the original \fBTIME\fR. than the original \fBTIME\fR.
.PP .PP
\fBDATETIME\fR - \fBINT\fR - returns a \fBDATETIME\fR that is \fBINT\fR minutes \fBDATETIME\fR - \fBINT\fR - returns a \fBDATETIME\fR that is
earlier \fBINT\fR minutes earlier than the original \fBDATETIME\fR.
than the original \fBDATETIME\fR. .PP
\fBDATETIME\fR - \fBTIME\fR - coerces the \fBTIME\fR to an \fBINT\fR
and then performs subtraction as above.
.RE .RE
.TP .TP
.B <, <=, >, and >= .B <, <=, >, and >=

5
src/expr.c
View File

@@ -854,8 +854,9 @@ static int Subtract(void)
return OK; return OK;
} }
/* If it's a datetime minus an int, do subtraction, checking for underflow */ /* If it's a datetime minus an int or a time, do subtraction,
if (v1.type == DATETIME_TYPE && v2.type == INT_TYPE) { * checking for underflow */
if (v1.type == DATETIME_TYPE && (v2.type == INT_TYPE || v2.type == TIME_TYPE)) {
v1.v.val -= v2.v.val; v1.v.val -= v2.v.val;
if (v1.v.val < 0) return E_DATE_OVER; if (v1.v.val < 0) return E_DATE_OVER;
PushValStack(v1); PushValStack(v1);