diff options
Diffstat (limited to 'src/include/access/tableam.h')
-rw-r--r-- | src/include/access/tableam.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/include/access/tableam.h b/src/include/access/tableam.h index 7465f037860..f1e6f554aa7 100644 --- a/src/include/access/tableam.h +++ b/src/include/access/tableam.h @@ -113,7 +113,8 @@ typedef enum TM_Result * * xmax is the outdating transaction's XID. If the caller wants to visit the * replacement tuple, it must check that this matches before believing the - * replacement is really a match. + * replacement is really a match. This is InvalidTransactionId if the target + * was !LP_NORMAL (expected only for a TID retrieved from syscache). * * cmax is the outdating command's CID, but only when the failure code is * TM_SelfModified (i.e., something in the current transaction outdated the |