doc: show how interval's 3 unit buckets behave using EXTRACT()
authorBruce Momjian <bruce@momjian.us>
Sun, 24 Jun 2018 03:32:41 +0000 (23:32 -0400)
committerBruce Momjian <bruce@momjian.us>
Sun, 24 Jun 2018 03:32:41 +0000 (23:32 -0400)
commit1d4b73cdddd43cbdeddb48b3cf7d96add7919a66
tree90c76f99e63af1affbff915cf89b5c65a24592f0
parent048abf83edc91086d76342e7e2c6bd7628298ccc
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@gmail.com
Discussion: https://postgr.es/m/152698651482.26744.15456677499485530703@wrigleys.postgresql.org

Backpatch-through: 9.3
doc/src/sgml/datatype.sgml