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Diffstat (limited to 'src/backend/utils/adt/oid.c')
-rw-r--r--src/backend/utils/adt/oid.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/src/backend/utils/adt/oid.c b/src/backend/utils/adt/oid.c
index c6a47d1bfd4..2119936d39f 100644
--- a/src/backend/utils/adt/oid.c
+++ b/src/backend/utils/adt/oid.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/adt/oid.c,v 1.54 2004/02/18 00:01:34 neilc Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/adt/oid.c,v 1.55 2004/03/04 21:47:18 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@@ -40,15 +40,27 @@ oidin_subr(const char *funcname, const char *s, char **endloc)
* strtoul() normally only sets ERANGE. On some systems it also may
* set EINVAL, which simply means it couldn't parse the input string.
* This is handled by the second "if" consistent across platforms.
- * Note that for historical reasons we accept an empty string as
- * meaning 0.
*/
if (errno && errno != ERANGE && errno != EINVAL)
ereport(ERROR,
(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
errmsg("invalid input syntax for type oid: \"%s\"",
s)));
- if (endptr == s && *endptr)
+
+ /*
+ * In releases prior to 7.5, we accepted an empty string as valid
+ * input (yielding an OID of 0). In 7.5, we accept empty strings,
+ * but emit a warning noting that the feature is deprecated. In
+ * 7.6+, the warning should be replaced by an error.
+ */
+ if (*s == '\0')
+ ereport(WARNING,
+ (errcode(ERRCODE_WARNING_DEPRECATED_FEATURE),
+ errmsg("deprecated input syntax for type oid: \"\""),
+ errdetail("This input will be rejected in "
+ "a future release of PostgreSQL.")));
+
+ if (endptr == s && *s)
ereport(ERROR,
(errcode(ERRCODE_INVALID_TEXT_REPRESENTATION),
errmsg("invalid input syntax for type oid: \"%s\"",