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A comment on Tell HN: Citus is 100% open source now. Parent comment

Re:Tell HN: Citus is 100% open source now by colejohnson66 on Friday September 02, 2022 @02:28PM (#32694184)
I think GP is saying they view SELECT as a "pure" function. A pure function doesn't modify state, so neither should SELECT.
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Re:Tell HN: Citus is 100% open source now by bombcar on Friday September 02, 2022 @02:33PM (#32694248)
Yeah, from limited experience with SQL "SELECT is safe" (assuming no weirdness in sub functions or commands) but that's clearly not always the case.
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