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help / color / mirror / Atom feedFrom: Justin Pryzby <[email protected]>
Subject: [PATCH] xlog_block_info: show compression method
Date: Sat, 19 Feb 2022 11:35:53 -0600
---
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
--um2V5WpqCyd73IVb--
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