diff options
Diffstat (limited to 'src/backend/access/transam/varsup.c')
| -rw-r--r-- | src/backend/access/transam/varsup.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/backend/access/transam/varsup.c b/src/backend/access/transam/varsup.c index 394843f7e91..cede579d731 100644 --- a/src/backend/access/transam/varsup.c +++ b/src/backend/access/transam/varsup.c @@ -476,11 +476,9 @@ GetNewObjectId(void) /* * Check for wraparound of the OID counter. We *must* not return 0 - * (InvalidOid); and as long as we have to check that, it seems a good - * idea to skip over everything below FirstNormalObjectId too. (This - * basically just avoids lots of collisions with bootstrap-assigned OIDs - * right after a wrap occurs, so as to avoid a possibly large number of - * iterations in GetNewOid.) Note we are relying on unsigned comparison. + * (InvalidOid), and in normal operation we mustn't return anything below + * FirstNormalObjectId since that range is reserved for initdb (see + * IsCatalogClass()). Note we are relying on unsigned comparison. * * During initdb, we start the OID generator at FirstBootstrapObjectId, so * we only wrap if before that point when in bootstrap or standalone mode. |