kiszk commented on a change in pull request #7108:
URL: https://github.com/apache/arrow/pull/7108#discussion_r420860301
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File path: cpp/src/parquet/file_reader.cc
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@@ -160,6 +166,12 @@ class SerializedRowGroup : public RowGroupReader::Contents
{
throw ParquetException("RowGroup is noted as encrypted but no file
decryptor");
}
+ constexpr auto kEncryptedRowGroupsLimit = 32767;
+ if (i > kEncryptedRowGroupsLimit) {
+ throw ParquetException(
+ "Encrypted files cannot contain more than 32767 row groups;");
Review comment:
nit: is `;` necessary in `groups;`?
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