release-20.1: opt: bugfix to virtual table scans #50843
Merged
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Backport 1/1 commits from #50682.
/cc @cockroachdb/release
Previously, the optimizer exposed the hidden virtual table primary key
column from scans, even though this column has no value and is not
usable. This caused issues with some complex metadata queries.
Now, the optimizer doesn't advertise this column, resolving the issue.
Closes #50157.
Release note (bug fix): some pg_catalog queries that previously returned
an error like "crdb_internal_vtable_pk column not allowed" now work
again.