adding substring transform

git-svn-id: svn://svn.open-ils.org/ILS/trunk@6212 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/perlmods/OpenILS/Reporter/SQLBuilder.pm b/Open-ILS/src/perlmods/OpenILS/Reporter/SQLBuilder.pm
index 111068d..b6c7647 100644 (file)
--- a/Open-ILS/src/perlmods/OpenILS/Reporter/SQLBuilder.pm
+++ b/Open-ILS/src/perlmods/OpenILS/Reporter/SQLBuilder.pm
@@ -270,6 +270,19 @@ sub toSQL {
 
 sub is_aggregate { return 0 }
 
+#-------------------------------------------------------------------------------------------------
+package OpenILS::Reporter::SQLBuilder::Column::Transform::substring;
+
+sub toSQL {
+       my $self = shift;
+       my ($params) = values %{ $self->{_column} };
+       my $start = $$params[1];
+       my $len = $$params[2];
+       return 'SUBSTRING("' . $self->{_relation} . '"."' . $self->name . "\",$start,$len)";
+}
+
+sub is_aggregate { return 0 }
+
 
 #-------------------------------------------------------------------------------------------------
 package OpenILS::Reporter::SQLBuilder::Column::Transform::doy;