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Fix incorrect translation of minus-infinity datetimes for json/jsonb.

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Commit bda76c1c8c caused both plus and
minus infinity to be rendered as "infinity", which is not only wrong
but inconsistent with the pre-9.4 behavior of to_json().  Fix that by
duplicating the coding in date_out/timestamp_out/timestamptz_out more
closely.  Per bug #13687 from Stepan Perlov.  Back-patch to 9.4, like
the previous commit.

In passing, also re-pgindent json.c, since it had gotten a bit messed up by
recent patches (and I was already annoyed by indentation-related problems
in back-patching this fix ...)
This commit is contained in:
Tom Lane
2015-10-20 11:06:24 -07:00
parent 7fc7125e21
commit 4f33572ee6
7 changed files with 35 additions and 30 deletions
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3
src/backend/utils/adt/timestamp.c
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@ -75,7 +75,6 @@ typedef struct
static TimeOffset time2t(const int hour, const int min, const int sec, const fsec_t fsec);
static void EncodeSpecialTimestamp(Timestamp dt, char *str);
static Timestamp dt2local(Timestamp dt, int timezone);
static void AdjustTimestampForTypmod(Timestamp *time, int32 typmod);
static void AdjustIntervalForTypmod(Interval *interval, int32 typmod);
@ -1507,7 +1506,7 @@ make_interval(PG_FUNCTION_ARGS)
/* EncodeSpecialTimestamp()
* Convert reserved timestamp data type to string.
*/
static void
void
EncodeSpecialTimestamp(Timestamp dt, char *str)
{
if (TIMESTAMP_IS_NOBEGIN(dt))