Обсуждение: pgsql: doc: mention ORDER BY for some aggregates, add ORDER BY examples

doc: mention ORDER BY for some aggregates, add ORDER BY examples

Discussion: https://postgr.es/m/CAKFQuwb+4SWnfrfQKB-UM1P1x97Xk+ybSar4xM32XGLd=fq9bA@mail.gmail.com

Co-authored-by: David G. Johnston

Backpatch-through: master

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/77513529420253626e41df967d54e76510782c64

Modified Files
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doc/src/sgml/func.sgml   | 26 ++++++++++++++++++--------
doc/src/sgml/syntax.sgml | 38 +++++++++++++++++++++++++-------------
2 files changed, 43 insertions(+), 21 deletions(-)