Add pg_walinspect function with discrete block_ref columns

When Who What
2023-03-16 05:04:07 Michael Paquier (michael-kun) Closed in commitfest 2023-03 with status: Committed
2023-03-16 05:04:07 Michael Paquier (michael-kun) Changed committer to michael-kun
2023-03-01 17:55:04 Melanie Plageman (melanieplageman) Changed authors to Melanie Plageman (melanieplageman)
2023-03-01 17:54:56 Melanie Plageman (melanieplageman) Attached mail thread CAAKRu_bORebdZmcV8V4cZBzU8M_C6tDDdbiPhCZ6i-iuSXW9TA@mail.gmail.com
2023-03-01 17:54:56 Melanie Plageman (melanieplageman) Created patch record