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A comment on Function pipelines: Building functional programming into PostgreSQL. Parent comment

Re:Function pipelines: Building functional programming into ... by jpruittsql on Tuesday October 19, 2021 @05:44PM (#28924178)
CTEs are wonderful for readability, but until recent versions of PostgreSQL they were always "materialized" which can have performance implications vs. subqueries. The NOT MATERIALIZED option to CTEs was added in PostgreSQL 12. (Timescale Engineer)
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