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Output timestamps in ISO 8601 format when rendering JSON.

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Many JSON processors require timestamp strings in ISO 8601 format in
order to convert the strings. When converting a timestamp, with or
without timezone, to a JSON datum we therefore now use such a format
rather than the type's default text output, in functions such as
to_json().

This is a change in behaviour from 9.2 and 9.3, as noted in the release
notes.
This commit is contained in:
Andrew Dunstan
2014-06-03 13:56:53 -04:00
parent 2dfa15de55
commit f30015b6d7
5 changed files with 116 additions and 0 deletions
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11
src/test/regress/sql/json.sql
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@ -100,6 +100,17 @@ FROM rows q;
SELECT row_to_json(row((select array_agg(x) as d from generate_series(5,10) x)),false);
-- to_json, timestamps
select to_json(timestamp '2014-05-28 12:22:35.614298');
BEGIN;
SET LOCAL TIME ZONE 10.5;
select to_json(timestamptz '2014-05-28 12:22:35.614298-04');
SET LOCAL TIME ZONE -8;
select to_json(timestamptz '2014-05-28 12:22:35.614298-04');
COMMIT;
--json_agg
SELECT json_agg(q)