zeroshade commented on a change in pull request #11359:
URL: https://github.com/apache/arrow/pull/11359#discussion_r741383928
##########
File path: go/arrow/array/interval.go
##########
@@ -279,6 +341,28 @@ func (a *DayTimeInterval) setData(data *Data) {
}
}
+func (a *DayTimeInterval) getOneForMarshal(i int) interface{} {
+ if a.IsValid(i) {
+ return a.values[i]
+ }
+ return nil
+}
+
+func (a *DayTimeInterval) MarshalJSON() ([]byte, error) {
+ if a.NullN() == 0 {
+ return json.Marshal(a.values)
Review comment:
Currently DayTime interval would get marshaled as `{ "days": #,
"milliseconds": # }`, the same would be true for month day nano interval type
being marshalled as `{ "months": #, "days": #, "nanoseconds": # }`. The only
one that currently wouldn't get marshalled into a formatted object or string is
the month interval. The intention I had was that the actual types should be
defined externally before attempting to parse the JSON as I didn't build any
arrow type inference into the JSON reader. It requires being passed a schema or
data type.
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