joellubi commented on code in PR #43360:
URL: https://github.com/apache/arrow/pull/43360#discussion_r1687875357
##########
go/parquet/pqarrow/helpers.go:
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@@ -38,6 +38,8 @@ func releaseArrayData(data []arrow.ArrayData) {
func releaseColumns(columns []arrow.Column) {
for _, col := range columns {
- col.Release()
+ if col.Data() != nil { // data can be nil due to the way
columns are constructed in ReadRowGroups
Review Comment:
We do it in a few other places, but your reasoning here makes sense to me.
I'm happy leaving it as it is.
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