From ce76fbaa0c0c9126a8b233891b9b32001b07129b Mon Sep 17 00:00:00 2001 From: Justin Pryzby Date: Sat, 19 Feb 2022 11:35:53 -0600 Subject: [PATCH] xlog_block_info: show compression method --- src/backend/access/transam/xlogrecovery.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/src/backend/access/transam/xlogrecovery.c b/src/backend/access/transam/xlogrecovery.c index 4ad145dd167..75a72b47f78 100644 --- a/src/backend/access/transam/xlogrecovery.c +++ b/src/backend/access/transam/xlogrecovery.c @@ -2238,7 +2238,20 @@ xlog_block_info(StringInfo buf, XLogReaderState *record) rlocator.relNumber, blk); if (XLogRecHasBlockImage(record, block_id)) - appendStringInfoString(buf, " FPW"); + { + if (!BKPIMAGE_COMPRESSED(record->blocks[block_id].bimg_info)) + appendStringInfoString(buf, " FPW"); + else + { + uint8 info = record->blocks[block_id].bimg_info; + char *compression = + (BKPIMAGE_COMPRESS_PGLZ & info) ? "pglz" : + (BKPIMAGE_COMPRESS_LZ4 & info) ? "lz4" : + (BKPIMAGE_COMPRESS_ZSTD & info) ? "zstd" : "unknown"; + + appendStringInfo(buf, " FPW, compression method: %s", compression); + } + } } } -- 2.17.1