pgsql: doc: add ISO 8601 extended format example using to_char()

doc: add ISO 8601 extended format example using to_char()

Reported-by: juha.mustonen@iki.fi

Discussion: /messages/by-id/20170217160154.6101.52806@wrigleys.postgresql.org

Co-authored-by: Erik Wienhold

Backpatch-through: master

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/f67a3d42688adf8045fe9bfaec699abbc6a33c83

Modified Files
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doc/src/sgml/func.sgml | 6 ++++++
1 file changed, 6 insertions(+)