From fc92450e7d595ae4527f88604151926c0a719712 Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Fri, 27 Mar 2009 18:56:57 +0000
Subject: [PATCH] Add an errdetail explaining why we reject infinite dates and
 timestamps while converting to XML.  Bernd Helmle

---
 src/backend/utils/adt/xml.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/backend/utils/adt/xml.c b/src/backend/utils/adt/xml.c
index f31cb02b6b8..d7264eb156e 100644
--- a/src/backend/utils/adt/xml.c
+++ b/src/backend/utils/adt/xml.c
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.84 2009/03/23 21:00:39 adunstan Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/xml.c,v 1.85 2009/03/27 18:56:57 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1627,7 +1627,8 @@ map_sql_value_to_xml_value(Datum value, Oid type)
 					if (DATE_NOT_FINITE(date))
 						ereport(ERROR,
 								(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
-								 errmsg("date out of range")));
+								 errmsg("date out of range"),
+								 errdetail("XML does not support infinite date values.")));
 					j2date(date + POSTGRES_EPOCH_JDATE,
 						   &(tm.tm_year), &(tm.tm_mon), &(tm.tm_mday));
 					EncodeDateOnly(&tm, USE_XSD_DATES, buf);
@@ -1649,7 +1650,8 @@ map_sql_value_to_xml_value(Datum value, Oid type)
 					if (TIMESTAMP_NOT_FINITE(timestamp))
 						ereport(ERROR,
 								(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
-								 errmsg("timestamp out of range")));
+								 errmsg("timestamp out of range"),
+								 errdetail("XML does not support infinite timestamp values.")));
 					else if (timestamp2tm(timestamp, NULL, &tm, &fsec, NULL, NULL) == 0)
 						EncodeDateTime(&tm, fsec, NULL, &tzn, USE_XSD_DATES, buf);
 					else
@@ -1675,7 +1677,8 @@ map_sql_value_to_xml_value(Datum value, Oid type)
 					if (TIMESTAMP_NOT_FINITE(timestamp))
 						ereport(ERROR,
 								(errcode(ERRCODE_DATETIME_VALUE_OUT_OF_RANGE),
-								 errmsg("timestamp out of range")));
+								 errmsg("timestamp out of range"),
+								 errdetail("XML does not support infinite timestamp values.")));
 					else if (timestamp2tm(timestamp, &tz, &tm, &fsec, &tzn, NULL) == 0)
 						EncodeDateTime(&tm, fsec, &tz, &tzn, USE_XSD_DATES, buf);
 					else
-- 
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