bump version

README.md

@@ -29,7 +29,7 @@ virtual_field :virtual_attribute,
 Parameters:
   - `name`: The name of the virtual field.
   - `scope`: A lambda defining a scope that fetches the virtual field value (optional).
-  - `select`: SQL selection logic (can be a string or a lambda returning an SQL string) to define how the field is computed.
+  - `select`: SQL selection logic (can be a `string | arel_node` or a lambda returning an SQL `string | arel_node`) to define how the field is computed.
   - `get`: A method to retrieve the value of the virtual field when the field isn't fetched via SQL.
   - `default`: A default value for the virtual field if the result is nil.
 

lib/ar_virtual_field.rb

@@ -11,7 +11,7 @@ def self.select_append(relation, *values)
     end
   end
 
-  def virtual_field(name, scope:, select: nil, get:, default:)
+  def virtual_field(name, scope: nil, select:, get:, default:)
     name = name.to_s
     current_class = self
     unwrap_arel_expression = -> (exp) { exp.is_a?(Arel::Nodes::NodeExpression) ? exp : Arel.sql(exp) }
@@ -31,15 +31,9 @@ def virtual_field(name, scope:, select: nil, get:, default:)
       scope(scope_name, scope)
 
       scope(:"with_#{name}", -> do
-        scope_query = current_class.send(scope_name)
-
-        if scope_query.group_values.present?
-          scope_query = scope_query.reselect(select_lambda.().as(name), "#{table_name}.id")
-          new_scope = joins("LEFT JOIN (#{scope_query.to_sql}) #{name}_outer ON #{name}_outer.id = #{table_name}.id")
-          HelperMethods.select_append(new_scope, "#{name}_outer.#{name} AS #{name}")
-        else
-          HelperMethods.select_append(send(scope_name), select_lambda.().as(name))
-        end
+        scope_query = current_class.send(scope_name).select(select_lambda.().as(name), "#{table_name}.id")
+        new_scope = joins("LEFT JOIN (#{scope_query.to_sql}) #{name}_outer ON #{name}_outer.id = #{table_name}.id")
+        HelperMethods.select_append(new_scope, "#{name}_outer.#{name} AS #{name}")
       end)
     else
       scope(:"with_#{name}", -> do

lib/ar_virtual_field/version.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module ArVirtualField
-  VERSION = "0.1.0"
+  VERSION = "0.3.0"
 end