Re: row filtering for logical replication

PSA new set of v37* patches.

This addresses some pending review comments as follows:

v34-0001 = the "main" patch.
- fixed Houz review comment #1 [1]
- fixed Houz review comment #2 [1]
- fixed Tomas review comment #5 [2]

v34-0002 = tab auto-complete.
- not changed

v34-0003 = cache updates.
- not changed

v34-0004 = filter validation replica identity.
- not changed

v34-0005 = filter validation walker.
- not changed

v34-0006 = support old/new tuple logic for row-filters.
- Ajin fixed Tomas review comment #14 [2]
- Ajin fixed Greg review comment #1 [3]
- Ajin fixed Greg review comment #2 [3]
- Ajin fixed Greg review comment #3 [3]
- Ajin fixed Greg review comment #1 [4]

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[1] Houz 4/11 -
https://www.postgresql.org/message-id/OS0PR01MB5716090A70A73ADF58C58950948D9%40OS0PR01MB5716.jpnprd01.prod.outlook.com
[2] Tomas 23/9 -
https://www.postgresql.org/message-id/574b4e78-2f35-acf3-4bdc-4b872582e739%40enterprisedb.com
[3] Greg 26/10 -
https://www.postgresql.org/message-id/CAJcOf-dNDy%3DrzUD%3D2H54J-VVUJCxq94o_2Sqc35RovFLKkSj7Q%40mail.gmail.com
[4] Greg 27/10 -
https://www.postgresql.org/message-id/CAJcOf-dViJh-F4oJkMQchAD19LELuCNbCqKfia5S7jsOASO6yA%40mail.gmail.com

Kind Regards,
Peter Smith.
Fujitsu Australia