From: Peter Eisentraut <peter_e@gmx.net>
Date: Wed, 29 Oct 2008 11:24:53 +0000 (+0000)
Subject: Since SQL:2003, the array size specification in the SQL ARRAY syntax has
X-Git-Tag: recoveryinfrav9~461
X-Git-Url: http://git.postgresql.org/gitweb/static/gitweb.js?a=commitdiff_plain;h=67425391738fe936f03ce698c7548fad521a555c;p=users%2Fsimon%2Fpostgres.git

Since SQL:2003, the array size specification in the SQL ARRAY syntax has
been optional.
---

diff --git a/doc/src/sgml/array.sgml b/doc/src/sgml/array.sgml
index f5888d7ff0..32fd58138b 100644
--- a/doc/src/sgml/array.sgml
+++ b/doc/src/sgml/array.sgml
@@ -76,9 +76,12 @@ CREATE TABLE tictactoe (
 <programlisting>
     pay_by_quarter  integer ARRAY[4],
 </programlisting>
-  This syntax requires an integer constant to denote the array size.
+  Or, if no array size is to be specified:
+<programlisting>
+    pay_by_quarter  integer ARRAY,
+</programlisting>
   As before, however, <productname>PostgreSQL</> does not enforce the
-  size restriction.
+  size restriction in any case.
  </para>
  </sect2>
 
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 70ea60a15a..94a91afe75 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -7124,19 +7124,29 @@ Typename:	SimpleTypename opt_array_bounds
 					$$->arrayBounds = $3;
 					$$->setof = TRUE;
 				}
+			/* SQL standard syntax, currently only one-dimensional */
 			| SimpleTypename ARRAY '[' Iconst ']'
 				{
-					/* SQL99's redundant syntax */
 					$$ = $1;
 					$$->arrayBounds = list_make1(makeInteger($4));
 				}
 			| SETOF SimpleTypename ARRAY '[' Iconst ']'
 				{
-					/* SQL99's redundant syntax */
 					$$ = $2;
 					$$->arrayBounds = list_make1(makeInteger($5));
 					$$->setof = TRUE;
 				}
+			| SimpleTypename ARRAY
+				{
+					$$ = $1;
+					$$->arrayBounds = list_make1(makeInteger(-1));
+				}
+			| SETOF SimpleTypename ARRAY
+				{
+					$$ = $2;
+					$$->arrayBounds = list_make1(makeInteger(-1));
+					$$->setof = TRUE;
+				}
 		;
 
 opt_array_bounds: