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92e7a53752
inline_cte() expected to find exactly as many references to the target CTE as its cterefcount indicates. While that should be accurate for the tree as emitted by the parser, there are some optimizations that occur upstream of here that could falsify it, notably removal of unused subquery output expressions. Trying to make the accounting 100% accurate seems expensive and doomed to future breakage. It's not really worth it, because all this code is protecting is downstream assumptions that every referenced CTE has a plan. Let's convert those assertions to regular test-and-elog just in case there's some actual problem, and then drop the failing assertion. Per report from Tomas Vondra (thanks also to Richard Guo for analysis). Back-patch to v12 where the faulty code came in. Discussion: https://postgr.es/m/29196a1e-ed47-c7ca-9be2-b1c636816183@enterprisedb.com |
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