docs: improve AT TIME ZONE description The previous description was unclear. Also add a third example, change use of time zone acronyms to more verbose descriptions, and add a mention that using 'time' with AT TIME ZONE uses the current time zone rules.
Backpatch-through: 9.3 Branch ------ REL9_3_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/630d4451adc6292f8781fcc664d2c8f27de0d59b Modified Files -------------- doc/src/sgml/func.sgml | 32 +++++++++++++++++++++----------- 1 file changed, 21 insertions(+), 11 deletions(-)
