John Bartlett wrote:
The community may wish to comment on the following issue:

1)    At present the file that will contain the list of ctids is going into
a new directory called pg_ctids, analogous to pg_twophase, and also stored
in the pg_data directory.

I don't understand this. What's stored in the file and why? If they're only needed within the transaction, surely a temp file would be more appropriate?

The new ctidListStore.c file in the patch is not in a valid diff-format. I also noticed that you've moved the line beginning with "CREATE_ROLE" in gram.y so that it's not in alphabetical order anymore.

  Heikki Linnakangas

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