fix: balance: Balance reports should consider date: queries when calculating

report span with --date2. (#1745)

hledger-lib/Hledger/Query.hs

@@ -479,7 +479,7 @@ queryTermDateSpan _ = Nothing
 queryDateSpan :: Bool -> Query -> DateSpan
 queryDateSpan secondary (Or qs)  = spansUnion     $ map (queryDateSpan secondary) qs
 queryDateSpan secondary (And qs) = spansIntersect $ map (queryDateSpan secondary) qs
-queryDateSpan False (Date span)  = span
+queryDateSpan _     (Date span)  = span
 queryDateSpan True (Date2 span)  = span
 queryDateSpan _ _                = nulldatespan
 

hledger/test/balance/date2.test

@@ -1,5 +1,4 @@
-hledger -f - balance -p 'in 2009' --date2 -N
-<<<
+<
 2009/1/1 x
   a  1
   b
@@ -7,7 +6,23 @@ hledger -f - balance -p 'in 2009' --date2 -N
 2009/1/1=2010/1/1 x
   a  10
   b
->>>
+
+# 1. --date2 ignores postings with secondary dates outside the range
+$ hledger -f - balance -p 'in 2009' --date2 -N
                    1  a
                   -1  b
->>>=0
+
+# 2. Above but with date: queries
+$ hledger -f - balance date:2009 --date2 -N
+                   1  a
+                  -1  b
+
+# 3. --date2 sees postings with secondary dates inside the range
+$ hledger -f - balance -p 'in 2010' --date2 -N
+                  10  a
+                 -10  b
+
+# 4. Above but with date: queries
+$ hledger -f - balance date:2010 --date2 -N
+                  10  a
+                 -10  b

hledger/test/register/date2.test

@@ -28,16 +28,20 @@ hledger -f- register -p 2014/1/2 --date2
 2014-01-02                      (a)                              1             1
 >>>=0
 
-# 3. --date2 causes date: to match the secondary date
+# 3. --date2 causes date: to match the secondary date (or the primary date, if there is no secondary)
 hledger -f- register date:2014/1/2 --date2
 <<<
 2014/1/1=1/2
   (a)  1
 
-2014/1/3
+2014/1/2
   (b)  1
+
+2014/1/2=1/3
+  (C)  1
 >>>
 2014-01-02                      (a)                              1             1
+2014-01-02                      (b)                              1             2
 >>>=0
 
 # 4. date2: matches the secondary date (but does not necessarily display it)