Thread: pgsql: Revert "Optimize pg_visibility with read streams."

Revert "Optimize pg_visibility with read streams."

This reverts commit ed1b1ee59fb3792baa32f669333b75024ef01bcc and its
followup 1c61fd8b527954f0ec522e5e60a11ce82628b681.  They rendered
collect_corrupt_items() unable to detect corruption.

Discussion: https://postgr.es/m/CAN55FZ1_Ru3XpMgTwsU67FTH2fs_FrRROmb7x6zs+F44QBEiww@mail.gmail.com
Discussion: https://postgr.es/m/CAEudQAozv3wTY5TV2t29JcwPydbmKbiWQkZD42S2OgzdixPMDQ@mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/ddfc556a644404a8942e77651f75f09aa5188782

Modified Files
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contrib/pg_visibility/pg_visibility.c | 113 +++++++---------------------------
1 file changed, 21 insertions(+), 92 deletions(-)