Merge pull request #168 from jrafanie/rails71

Rails 7.1 support

Author: kbrock

.github/workflows/ci.yaml

@@ -12,9 +12,10 @@ jobs:
     strategy:
       matrix:
         ruby-version:
-        - '2.7'
-        - '3.0'
         - '3.1'
+        - '3.2'
+        - '3.3'
+        - '3.4'
     services:
       postgres:
         image: postgres:13

Gemfile

@@ -2,7 +2,7 @@
 
 source "https://rubygems.org"
 
-gem "activerecord", "~>7.0.8"
+gem "activerecord", "~>7.1.5"
 gem "mysql2"
 gem "pg"
 gem "sqlite3", "< 2"

lib/active_record/virtual_attributes/virtual_delegates.rb

@@ -271,11 +271,9 @@ def self.select_from_alias(to_ref, col, to_model_col_name, src_model_id)
       def self.select_from_alias_table(to_klass, src_relation)
         to_table = to_klass.arel_table
         # if a self join, alias the second table to a different name
-        if to_table.table_name == src_relation.table_name
-          # use a dup to not modify the primary table in the model
-          to_table = to_table.dup
+        if to_table.name == src_relation.name
           # use a table alias to not conflict with table name in the primary query
-          to_table.table_alias = "#{to_table.table_name}_sub"
+          to_table = to_table.alias("#{to_table.name}_sub")
         end
         to_table
       end