1 files changed, 72 insertions, 0 deletions
diff --git a/rt/docs/design_docs/cf_search b/rt/docs/design_docs/cf_search
new file mode 100644
index 000000000..456a9febb
--- /dev/null
+++ b/rt/docs/design_docs/cf_search
@@ -0,0 +1,72 @@
+find all tickets where:
+
+
+        CF Foo 
+                Has values (talk or read) AND
+                Has values (bar and baz) AND 
+                doesn't have values (bing or bong) 
+
+
+LimitCustomFieldValues {
+        my %args = ( CustomField => undef, 
+                     ClauseId => 'CustomFields',
+                     OPERATOR => undef,
+                     ENTRYAGGREGATOR => undef,
+                     VALUES => undef,
+                     @_) ;
+
+        unless ( $self->{'TicketAliases'}{$args{'ClauseId'}}{'CustomField'} ) {
+        $self->{'TicketAliases'}{$args{'ClauseId'}}{'CustomField'} = $self->NewAlias('CustomFields');
+        $self->Join(TABLE1 =>$self->{'TicketAliases'}{$args{'ClauseId'}}{'CustomField' },  
+                    FIELD1 => 'QueueId',
+                    TABLE2 => 'main', FIELD2 => 'QueueId');
+
+        if ($args{'OPERATOR'} =~ /!=|IS/i) {
+        }
+        else {
+        }
+
+}
+        # {{{ if it's a keyword
+        elsif ( $TYPES{ $restriction->{'FIELD'} } eq 'CUSTOMFIELD' ) {
+
+            my $null_columns_ok;
+            my $TicketCFs = $self->Join( TYPE   => 'left',
+                                                ALIAS1 => 'main',
+                                                FIELD1 => 'id',
+                                                TABLE2 => 'TicketCustomFieldValues',
+                                                FIELD2 => 'Ticket' );
+
+            foreach my $value ( @{ $restriction->{'VALUES'} } ) {
+                $self->SUPER::Limit( ALIAS      => $TicketCFs,
+                                     FIELD      => 'Content',
+                                     OPERATOR   => $restriction->{'OPERATOR'},
+                                     VALUE      => $value,
+                                     QUOTEVALUE => $restriction->{'QUOTEVALUE'},
+                                     ENTRYAGGREGATOR => 'AND', );
+            }
+            if (    ( $restriction->{'OPERATOR'} =~ /^IS$/i ) or ( $restriction->{'OPERATOR'} eq '!=' ) ) {
+                $null_columns_ok = 1;
+            }
+
+            #If we're trying to find tickets where the keyword isn't somethng, also check ones where it _IS_ null
+            if ( $restriction->{'OPERATOR'} eq '!=' ) {
+                $self->SUPER::Limit( ALIAS           => $TicketCFs,
+                                     FIELD           => 'Content',
+                                     OPERATOR        => 'IS',
+                                     VALUE           => 'NULL',
+                                     QUOTEVALUE      => 0,
+                                     ENTRYAGGREGATOR => 'OR', );
+            }
+
+            $self->SUPER::Limit( LEFTJOIN => $TicketCFs,
+                                 FIELD    => 'CustomField',
+                                 VALUE    => $restriction->{'CUSTOMFIELD'},
+                                 ENTRYAGGREGATOR => 'OR' );
+
+        }
+
+        # }}}
+
+    }
+