doc: show how interval's 3 unit buckets behave using EXTRACT()
This clarifies when justify_days() and justify_hours() are useful.
Paragraph moved too.
Reported-by: vodevsh(at)gmail(dot)com
Discussion: https://postgr.es/m/152698651482.26744.15456677499485530703@wrigleys.postgresql.org
Backpatch-through: 9.3
Branch
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REL9_4_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/e8616362da3419f81c802a665315c7b411eae2f4
Modified Files
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doc/src/sgml/datatype.sgml | 40 +++++++++++++++++++++++++++-------------
1 file changed, 27 insertions(+), 13 deletions(-)