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Commit7408c5d

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Add timezone offset output option to to_char()
Add ability for to_char() to output the timezone's UTC offset (OF). Wealready have the ability to return the timezone abbeviation (TZ/tz).Per request from Andrew Dunstan
1 parent6697aa2 commit7408c5d

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2 files changed

+19
-2
lines changed

2 files changed

+19
-2
lines changed

‎doc/src/sgml/func.sgml‎

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5645,6 +5645,10 @@ SELECT SUBSTRING('XY1234Z', 'Y*?([0-9]{1,3})');
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<entry><literal>tz</literal></entry>
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<entry>lower case time-zone name</entry>
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</row>
5648+
<row>
5649+
<entry><literal>OF</literal></entry>
5650+
<entry>time-zone offset</entry>
5651+
</row>
56485652
</tbody>
56495653
</tgroup>
56505654
</table>

‎src/backend/utils/adt/formatting.c‎

Lines changed: 15 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -600,6 +600,7 @@ typedef enum
600600
DCH_MS,
601601
DCH_Month,
602602
DCH_Mon,
603+
DCH_OF,
603604
DCH_P_M,
604605
DCH_PM,
605606
DCH_Q,
@@ -746,6 +747,7 @@ static const KeyWord DCH_keywords[] = {
746747
{"MS",2,DCH_MS, TRUE,FROM_CHAR_DATE_NONE},
747748
{"Month",5,DCH_Month, FALSE,FROM_CHAR_DATE_GREGORIAN},
748749
{"Mon",3,DCH_Mon, FALSE,FROM_CHAR_DATE_GREGORIAN},
750+
{"OF",2,DCH_OF, FALSE,FROM_CHAR_DATE_NONE},/* O */
749751
{"P.M.",4,DCH_P_M, FALSE,FROM_CHAR_DATE_NONE},/* P */
750752
{"PM",2,DCH_PM, FALSE,FROM_CHAR_DATE_NONE},
751753
{"Q",1,DCH_Q, TRUE,FROM_CHAR_DATE_NONE},/* Q */
@@ -874,7 +876,7 @@ static const int DCH_index[KeyWord_INDEX_SIZE] = {
874876
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
875877
-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
876878
-1,-1,-1,-1,-1,DCH_A_D,DCH_B_C,DCH_CC,DCH_DAY,-1,
877-
DCH_FX,-1,DCH_HH24,DCH_IDDD,DCH_J,-1,-1,DCH_MI,-1,-1,
879+
DCH_FX,-1,DCH_HH24,DCH_IDDD,DCH_J,-1,-1,DCH_MI,-1,DCH_OF,
878880
DCH_P_M,DCH_Q,DCH_RM,DCH_SSSS,DCH_TZ,DCH_US,-1,DCH_WW,-1,DCH_Y_YYY,
879881
-1,-1,-1,-1,-1,-1,-1,DCH_a_d,DCH_b_c,DCH_cc,
880882
DCH_day,-1,DCH_fx,-1,DCH_hh24,DCH_iddd,DCH_j,-1,-1,DCH_mi,
@@ -2502,6 +2504,16 @@ DCH_to_char(FormatNode *node, bool is_interval, TmToChar *in, char *out, Oid col
25022504
s+=strlen(s);
25032505
}
25042506
break;
2507+
caseDCH_OF:
2508+
INVALID_FOR_INTERVAL;
2509+
sprintf(s,"%+0*ld",S_FM(n->suffix) ?0 :3,tm->tm_gmtoff /SECS_PER_HOUR);
2510+
s+=strlen(s);
2511+
if (tm->tm_gmtoff %SECS_PER_HOUR!=0)
2512+
{
2513+
sprintf(s,":%02ld", (tm->tm_gmtoff %SECS_PER_HOUR) /SECS_PER_MINUTE);
2514+
s+=strlen(s);
2515+
}
2516+
break;
25052517
caseDCH_A_D:
25062518
caseDCH_B_C:
25072519
INVALID_FOR_INTERVAL;
@@ -2915,9 +2927,10 @@ DCH_from_char(FormatNode *node, char *in, TmFromChar *out)
29152927
break;
29162928
caseDCH_tz:
29172929
caseDCH_TZ:
2930+
caseDCH_OF:
29182931
ereport(ERROR,
29192932
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
2920-
errmsg("\"TZ\"/\"tz\" format patterns are not supported in to_date")));
2933+
errmsg("\"TZ\"/\"tz\"/\"OF\" format patterns are not supported in to_date")));
29212934
caseDCH_A_D:
29222935
caseDCH_B_C:
29232936
caseDCH_a_d:

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