wgtmac commented on code in PR #15184:
URL: https://github.com/apache/arrow/pull/15184#discussion_r1062543153
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cpp/src/parquet/metadata.h:
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@@ -282,11 +282,20 @@ class PARQUET_EXPORT FileMetaData {
bool Equals(const FileMetaData& other) const;
- /// \brief The number of top-level columns in the schema.
+ /// \brief The number of parquet "leaf" fields.
Review Comment:
In the parquet specs, the official wording is `column`.
I'd suggest follow the same syntax.
https://github.com/apache/parquet-format/blob/master/src/main/thrift/parquet.thrift#L680
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