{ -ident => undef } makes zero sense

diff --git a/Changes b/Changes
index c154cdc..99eadea 100644 (file)
--- a/Changes
+++ b/Changes
@@ -4,6 +4,7 @@ Revision history for SQL::Abstract
     - New attribute 'escape_char' allowing for proper escape of quote_chars
       present in an identifier
     - Treat { -value => undef } as plain undef in all cases
+    - Explicitly throw on { -ident => undef }
 
 revision 1.78  2014-05-28
 ----------------------------

diff --git a/lib/SQL/Abstract.pm b/lib/SQL/Abstract.pm
index 37d83cc..54408df 100644 (file)
--- a/lib/SQL/Abstract.pm
+++ b/lib/SQL/Abstract.pm
@@ -738,8 +738,8 @@ sub _where_op_BOOL {
 sub _where_op_IDENT {
   my $self = shift;
   my ($op, $rhs) = splice @_, -2;
-  if (ref $rhs) {
-    puke "-$op takes a single scalar argument (a quotable identifier)";
+  if (! defined $rhs or length ref $rhs) {
+    puke "-$op requires a single plain scalar argument (a quotable identifier)";
   }
 
   # in case we are called as a top level special op (no '=')

diff --git a/t/21op_ident.t b/t/21op_ident.t
index 5ba3f27..29ff46f 100644 (file)
--- a/t/21op_ident.t
+++ b/t/21op_ident.t
@@ -2,6 +2,7 @@ use strict;
 use warnings;
 
 use Test::More;
+use Test::Exception;
 use SQL::Abstract;
 use SQL::Abstract::Test import => [qw/is_same_sql_bind/];
 
@@ -12,6 +13,10 @@ for my $q ('', '"') {
     name_sep => $q ? '.' : '',
   );
 
+  throws_ok {
+    $sql_maker->where({ foo => { -ident => undef } })
+  } qr/-ident requires a single plain scalar argument/;
+
   my ($sql, @bind) = $sql_maker->select ('artist', '*', { 'artist.name' => { -ident => 'artist.pseudonym' } } );
   is_same_sql_bind (
     $sql,