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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REL_11_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/f163cc8f4d6952da79eda461b67626d1fdfafed0
Modified Files
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doc/src/sgml/indices.sgml | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)