Document WAL rules related to PD_ALL_VISIBLE in README.
Also improve comments.
Discussion: https://postgr.es/m/a50005c1c537f89bb359057fd70e66bb83bce969.camel@j-davis.com
Reviewed-by: Peter Geoghegan
Branch
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master
Details
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https://git.postgresql.org/pg/commitdiff/97c61f70d1b97bdfd20dcb1f2b1be42862ec88c2
Modified Files
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src/backend/access/heap/heapam.c | 6 ++++--
src/backend/access/heap/visibilitymap.c | 17 +++++++++++------
src/backend/access/transam/README | 17 +++++++++++++++++
3 files changed, 32 insertions(+), 8 deletions(-)