Commits

Date	Subject	Author	Releases
2025-12-24	Teach expr_is_nonnullable() to handle more expression types	Richard Guo	19 (unreleased)
2019-03-01	Teach optimizer's predtest.c more things about ScalarArrayOpExpr.	Tom Lane	12.0
2018-03-21	Improve predtest.c's handling of cases with NULL-constant inputs.	Tom Lane	11.0
2018-03-09	Improve predtest.c's internal docs, and enhance its functionality a bit.	Tom Lane	11.0
2018-03-08	Add test scaffolding for exercising optimizer's predicate-proof logic.	Tom Lane	11.0