pgsql: doc: clarify when expression indexes evaluate their expressions

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: doc: clarify when expression indexes evaluate their expressions
Date: 2021-12-22 21:29:51
Message-ID: E1n09BH-00011t-EI@gemulon.postgresql.org
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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

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/e2e1bbde46a3509c3b7e830196f4314242925247

Modified Files
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doc/src/sgml/indices.sgml | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

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