change ActiveRecord joins query with custom generated SQL

lib/pg_searchable_regex.rb

@@ -55,8 +55,16 @@ module PgSearchable
 
     def ts_search(value)
       return if @ts_search_fields.blank? || value.blank?
-      includes(@ts_joins).references(:all).where(
-        TextToSqlQuery.new(value, @ts_search_fields, @default_fields, @ts_search_fields_mappings).where_clause).distinct
+      model = ancestors.first
+      sql_query_object = TextToSqlQuery.new(
+        value,
+        @ts_search_fields,
+        @default_field,
+        @ts_search_fields_mappings,
+        @ts_joins,
+        model
+      )
+      joins(sql_query_object.join_clause).where(sql_query_object.where_clause).distinct
     end
 
     def should_update_cache_field?