diff --git a/src/bin/pg_upgrade/IMPLEMENTATION b/src/bin/pg_upgrade/IMPLEMENTATION index 9b5ff7295c1..69fcd70a7c5 100644 --- a/src/bin/pg_upgrade/IMPLEMENTATION +++ b/src/bin/pg_upgrade/IMPLEMENTATION @@ -71,8 +71,8 @@ performs a number of bookkeeping tasks required to 'sync up' the new cluster with the existing data. First, pg_upgrade copies the commit status information and 'next -transaction ID' from the old cluster to the new cluster. This is the -steps ensures that the proper tuples are visible from the new cluster. +transaction ID' from the old cluster to the new cluster. This step +ensures that the proper tuples are visible from the new cluster. Remember, pg_upgrade does not export/import the content of user-defined tables so the transaction IDs in the new cluster must match the transaction IDs in the old data. pg_upgrade also copies the starting