doc: mention GROUP BY columns can reference target col numbers
Reported-by: hape <postgres-hape(at)gmx(dot)de>
Discussion: https://postgr.es/m/168871536004.379168.9352636188330923805@wrigleys.postgresql.org
Backpatch-through: 11
Branch
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REL_16_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/17cd48de3ce3061059257b56b4ae689e45137668
Modified Files
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doc/src/sgml/ref/select.sgml | 3 +++
1 file changed, 3 insertions(+)