doc: add SQL query showing handling of NULLs by aggregates Reported-by: y.saburov@gmail.com Reviewed-by: Laurenz Albe Discussion: https://postgr.es/m/178784080621.1060526.4544192651418189612@wrigleys.postgresql.org Backpatch-through: 19 Branch ------ REL_19_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/429752e9560f05e2c3dee5646601f1500c1c1611 Modified Files -------------- doc/src/sgml/syntax.sgml | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-)
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