Document that datetime year '0' is considered in a recent century, not

bmomjian · bmomjian · commit 07d7f475b06c · 2009-03-17T18:35:26.000Z
just '00'.
diff --git a/src/backend/utils/adt/datetime.c b/src/backend/utils/adt/datetime.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.200 2009/01/01 17:23:49 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.201 2009/03/17 18:35:26 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2264,7 +2264,7 @@ ValidateDate(int fmask, bool is2digits, bool bc, struct pg_tm * tm)
 		}
 		else if (is2digits)
 		{
-			/* allow 2-digit input for 1970-2069 AD; 00 is allowed */
+			/* allow 2-digit input for 1970-2069 AD; '0' or '00' is allowed */
 			if (tm->tm_year < 0)				/* just paranoia */
 				return DTERR_FIELD_OVERFLOW;
 			if (tm->tm_year < 70)

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.200 2009/01/01 17:23:49 momjian Exp $`
	`11`	`+ * $PostgreSQL: pgsql/src/backend/utils/adt/datetime.c,v 1.201 2009/03/17 18:35:26 momjian Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -2264,7 +2264,7 @@ ValidateDate(int fmask, bool is2digits, bool bc, struct pg_tm * tm)`
`2264`	`2264`	`}`
`2265`	`2265`	`else if (is2digits)`
`2266`	`2266`	`{`
`2267`		`- /* allow 2-digit input for 1970-2069 AD; 00 is allowed */`
	`2267`	`+ /* allow 2-digit input for 1970-2069 AD; '0' or '00' is allowed */`
`2268`	`2268`	`if (tm->tm_year < 0) /* just paranoia */`
`2269`	`2269`	`return DTERR_FIELD_OVERFLOW;`
`2270`	`2270`	`if (tm->tm_year < 70)`