Dba: Are non-used CTEs never materialized in PostgreSQL 16?

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Are non-used CTEs never materialized in PostgreSQL 16?
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(dba.stackexchange.com/users/288561/bj%c3%b6rn-mor%c3%a9n)Björn Morén
(dba.stackexchange.com/users/3684/erwin-brandstetter)Erwin Brandstetter
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postgresql postgresql-performance cte dynamic-sql



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