postgis_JsonEncodeDateTime()

static char * postgis_JsonEncodeDateTime ( char *  buf, Datum  value, Oid  typid  )

static

Definition at line 678 of file lwgeom_out_geojson.c.

{
        if (!buf)
                buf = palloc(MAXDATELEN + 1);
 
        switch (typid)
        {
                case DATEOID:
                        {
                                DateADT         date;
                                struct pg_tm tm;
 
                                date = DatumGetDateADT(value);
 
                                /* Same as date_out(), but forcing DateStyle */
                                if (DATE_NOT_FINITE(date))
                                        EncodeSpecialDate(date, buf);
                                else
                                {
                                        j2date(date + POSTGRES_EPOCH_JDATE,
                                                   &(tm.tm_year), &(tm.tm_mon), &(tm.tm_mday));
                                        EncodeDateOnly(&tm, USE_XSD_DATES, buf);
                                }
                        }
                        break;
                case TIMEOID:
                        {
                                TimeADT         time = DatumGetTimeADT(value);
                                struct pg_tm tt,
                                                   *tm = &tt;
                                fsec_t          fsec;
 
                                /* Same as time_out(), but forcing DateStyle */
                                postgis_time2tm(time, tm, &fsec);
                                EncodeTimeOnly(tm, fsec, false, 0, USE_XSD_DATES, buf);
                        }
                        break;
                case TIMETZOID:
                        {
                                TimeTzADT  *time = DatumGetTimeTzADTP(value);
                                struct pg_tm tt,
                                                   *tm = &tt;
                                fsec_t          fsec;
                                int                     tz;
 
                                /* Same as timetz_out(), but forcing DateStyle */
                                postgis_timetz2tm(time, tm, &fsec, &tz);
                                EncodeTimeOnly(tm, fsec, true, tz, USE_XSD_DATES, buf);
                        }
                        break;
                case TIMESTAMPOID:
                        {
                                Timestamp       timestamp;
                                struct pg_tm tm;
                                fsec_t          fsec;
 
                                timestamp = DatumGetTimestamp(value);
                                /* Same as timestamp_out(), but forcing DateStyle */
                                if (TIMESTAMP_NOT_FINITE(timestamp))
                                        EncodeSpecialTimestamp(timestamp, buf);
                                else if (timestamp2tm(timestamp, NULL, &tm, &fsec, NULL, NULL) == 0)
                                        EncodeDateTime(&tm, fsec, false, 0, NULL, USE_XSD_DATES, buf);
                                else
                                        ereport(ERROR,
                                                        (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                                         errmsg("timestamp out of range")));
                        }
                        break;
                case TIMESTAMPTZOID:
                        {
                                TimestampTz timestamp;
                                struct pg_tm tm;
                                int                     tz;
                                fsec_t          fsec;
                                const char *tzn = NULL;
 
                                timestamp = DatumGetTimestampTz(value);
                                /* Same as timestamptz_out(), but forcing DateStyle */
                                if (TIMESTAMP_NOT_FINITE(timestamp))
                                        EncodeSpecialTimestamp(timestamp, buf);
                                else if (timestamp2tm(timestamp, &tz, &tm, &fsec, &tzn, NULL) == 0)
                                        EncodeDateTime(&tm, fsec, true, tz, tzn, USE_XSD_DATES, buf);
                                else
                                        ereport(ERROR,
                                                        (errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
                                                         errmsg("timestamp out of range")));
                        }
                        break;
                default:
                        elog(ERROR, "unknown jsonb value datetime type oid %d", typid);
                        return NULL;
        }
 
        return buf;
}

References postgis_time2tm(), and postgis_timetz2tm().

Referenced by datum_to_json().

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