Refactor parse_subscription_options

    Attachment (v11-0001-PS-Fix-v11.patch) at 2021-07-07 00:03:43 from Peter Smith <smithpb2250 at gmail.com> (Patch: Yes)
    Attachment (v10-0001-Remove-similar-ereport-calls-in-parse_subscripti.patch) at 2021-07-06 10:36:01 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v11-0001-Refactor-function-parse_subscription_options.patch) at 2021-07-01 15:55:41 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (cleanup.patch) at 2021-07-01 14:29:58 from Alvaro Herrera <alvherre at alvh.no-ip.org> (Patch: Yes)
    Attachment (v10-0001-Refactor-function-parse_subscription_options.patch) at 2021-07-01 11:07:50 from Amit Kapila <amit.kapila16 at gmail.com> (Patch: Yes)
    Attachment (v9-0001-Refactor-parse_subscription_options.patch) at 2021-06-30 14:08:04 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v8-0001-Refactor-parse_subscription_options.patch) at 2021-06-29 15:26:40 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v7-0001-Refactor-parse_subscription_options.patch) at 2021-06-28 09:54:00 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v6-0001-Refactor-parse_subscription_options.patch) at 2021-06-18 13:05:28 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v5-0001-Refactor-parse_subscription_options.patch) at 2021-06-10 13:06:50 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v4-0001-Refactor-parse_subscription_options.patch) at 2021-06-09 15:28:20 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v3-0001-Refactor-parse_subscription_options.patch) at 2021-06-02 12:41:39 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (0001-WIP-refactor-parse_subscription_options.patch) at 2021-06-01 14:55:16 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v2-0001-Refactor-parse_subscription_options.patch) at 2021-05-20 04:10:46 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)
    Attachment (v1-0001-Refactoring-of-error-code-in-parse_subscription_o.patch) at 2021-05-19 08:38:38 from Bharath Rupireddy <bharath.rupireddyforpostgres at gmail.com> (Patch: Yes)