Implement partial decompress for constraint check #7907
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Instead of full transparent decompressing batches in order to check the columns which are used in constraint checking on INSERTs into compressed chunks, only decompress individual columns that are actually necessary.
antekresic
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Instead of full transparent decompressing batches in order to check the columns which are used in constraint checking on INSERTs into compressed chunks, only decompress individual columns that are actually necessary.