Add a new TAP test under src/test/recovery to run the standard
regression tests while a streaming replica replays the WAL. This
provides a basic workout for WAL decoding and redo code, and compares
the replicated result.
Optionally, enable (expensive) wal_consistency_checking if listed in
the env variable PG_TEST_EXTRA.
Reviewed-by: 綱川 貴之 (Takayuki Tsunakawa) <tsunakawa.takay@fujitsu.com>
Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Andrew Dunstan <andrew@dunslane.net>
Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Reviewed-by: Anastasia Lubennikova <lubennikovaav@gmail.com>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/CA%2BhUKGKpRWQ9SxdxxDmTBCJoR0YnFpMBe7kyzY8SUQk%2BHeskxg%40mail.gmail.com
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