Fix and rename --use-unique-keys option and add TAP test #1508
+24
−3
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Cloudberry has --use-unique-keys options since cc797b9. However, it does not work, at least at current HEAD. Fix that, and also rename option, to better indicate its use case. If user does NOT use this option, pgbenc will create unique index. If use does use this option, pgbench will not. So, rename to --use-non-unique-keys.
Found during PG16 kernel rebase.