Fix default value inserts (an op can have an empty arglist)

diff --git a/Changes b/Changes
index fc2c77c..6ae9ca0 100644 (file)
--- a/Changes
+++ b/Changes
@@ -10,6 +10,7 @@ Revision history for SQL::Abstract
     - Special handle IS NOT? NULL
     - Make sure unparse() does not destroy a passed in \@bindargs
     - Support ops with _'s in them (valid in Oracle)
+    - Properly parse both types of default value inserts
 
 revision 1.68  2010-09-16
 ----------------------------

diff --git a/lib/SQL/Abstract/Tree.pm b/lib/SQL/Abstract/Tree.pm
index 4760672..02de4d9 100644 (file)
--- a/lib/SQL/Abstract/Tree.pm
+++ b/lib/SQL/Abstract/Tree.pm
@@ -63,7 +63,7 @@ my @expression_start_keywords = (
   )',
   'ON',
   'WHERE',
-  'VALUES',
+  '(?: DEFAULT \s+ )? VALUES',
   'EXISTS',
   'GROUP \s+ BY',
   'HAVING',
@@ -318,8 +318,8 @@ sub _recurse_parse {
     elsif ( $token =~ / ^ $expr_start_re $ /x ) {
       my $op = uc $token;
       my $right = $self->_recurse_parse($tokens, PARSE_IN_EXPR);
-      $left = $left ? [ $left,  [$op => [$right] ]]
-                   : [ $op => [$right] ];
+      $left = $left ? [ $left,  [$op => [$right||()] ]]
+                   : [ $op => [$right||()] ];
     }
     # NOT
     elsif ( $token =~ /^ NOT $/ix ) {

diff --git a/t/14roundtrippin.t b/t/14roundtrippin.t
index 58c3a19..ebbca33 100644 (file)
--- a/t/14roundtrippin.t
+++ b/t/14roundtrippin.t
@@ -7,14 +7,16 @@ use SQL::Abstract::Tree;
 my $sqlat = SQL::Abstract::Tree->new;
 
 my @sql = (
-       "SELECT a, b, c FROM foo WHERE foo.a =1 and foo.b LIKE 'station'",
-       "SELECT * FROM (SELECT * FROM foobar) WHERE foo.a =1 and foo.b LIKE 'station'",
-       "SELECT * FROM lolz WHERE ( foo.a =1 ) and foo.b LIKE 'station'",
-       "SELECT [screen].[id], [screen].[name], [screen].[section_id], [screen].[xtype] FROM [users_roles] [me] JOIN [roles] [role] ON [role].[id] = [me].[role_id] JOIN [roles_permissions] [role_permissions] ON [role_permissions].[role_id] = [role].[id] JOIN [permissions] [permission] ON [permission].[id] = [role_permissions].[permission_id] JOIN [permissionscreens] [permission_screens] ON [permission_screens].[permission_id] = [permission].[id] JOIN [screens] [screen] ON [screen].[id] = [permission_screens].[screen_id] WHERE ( [me].[user_id] = ? ) GROUP BY [screen].[id], [screen].[name], [screen].[section_id], [screen].[xtype]"
+  "INSERT INTO artist DEFAULT VALUES",
+  "INSERT INTO artist VALUES ()",
+  "SELECT a, b, c FROM foo WHERE foo.a =1 and foo.b LIKE 'station'",
+  "SELECT * FROM (SELECT * FROM foobar) WHERE foo.a =1 and foo.b LIKE 'station'",
+  "SELECT * FROM lolz WHERE ( foo.a =1 ) and foo.b LIKE 'station'",
+  "SELECT [screen].[id], [screen].[name], [screen].[section_id], [screen].[xtype] FROM [users_roles] [me] JOIN [roles] [role] ON [role].[id] = [me].[role_id] JOIN [roles_permissions] [role_permissions] ON [role_permissions].[role_id] = [role].[id] JOIN [permissions] [permission] ON [permission].[id] = [role_permissions].[permission_id] JOIN [permissionscreens] [permission_screens] ON [permission_screens].[permission_id] = [permission].[id] JOIN [screens] [screen] ON [screen].[id] = [permission_screens].[screen_id] WHERE ( [me].[user_id] = ? ) GROUP BY [screen].[id], [screen].[name], [screen].[section_id], [screen].[xtype]",
 );
 
 for (@sql) {
-       is_same_sql($_, $sqlat->format($_), 'roundtrip works');
+  is_same_sql($_, $sqlat->format($_), 'roundtrip works');
 }