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More clear error message on uncompressing block (#8934)

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Summary:
The origin error message of uncompressing block is confusing, which may result from either build support or data corruption.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8934

Reviewed By: ltamasi

Differential Revision: D31112588

Pulled By: pdillinger

fbshipit-source-id: 1cbf2d4fbcb0ef376cf942246d06f48cb603f852
This commit is contained in:
ricky 2021-09-27 10:37:09 -07:00 committed by Facebook GitHub Bot
parent e0f697d2bd
commit b59b7570cf
1 changed files with 9 additions and 3 deletions
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12
table/format.cc
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@ -360,9 +360,15 @@ Status UncompressBlockContentsForCompressionType(
UncompressData(uncompression_info, data, n, &uncompressed_size,
GetCompressFormatForVersion(format_version), allocator);
if (!ubuf) {
return Status::Corruption(
"Unsupported compression method or corrupted compressed block contents",
CompressionTypeToString(uncompression_info.type()));
if (!CompressionTypeSupported(uncompression_info.type())) {
return Status::NotSupported(
"Unsupported compression method for this build",
CompressionTypeToString(uncompression_info.type()));
} else {
return Status::Corruption(
"Corrupted compressed block contents",
CompressionTypeToString(uncompression_info.type()));
}
}
*contents = BlockContents(std::move(ubuf), uncompressed_size);