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doc: clarify when expression indexes evaluate their expressions
authorBruce Momjian <[email protected]>
Wed, 22 Dec 2021 21:29:16 +0000 (16:29 -0500)
committerBruce Momjian <[email protected]>
Wed, 22 Dec 2021 21:29:16 +0000 (16:29 -0500)
commit8f22fe2025bf97bc2bd6e0a7b3acf97ab970a4e2
tree665b6c75925fee9732cdca2b38d871c1f9d5b21atree
parent9edca4cb57d240a196403c805dfa92686954d155commit | diff
doc:  clarify when expression indexes evaluate their expressions

Only non-HOT updates evaluate the index expression.

Reported-by: Chris Lowder
Discussion: https://postgr.es/m/163967385701.26064.15365003480975321072@wrigleys.postgresql.org

Backpatch-through: 10
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