1 files changed, 7 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_creation.rb b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_creation.rb
index fe1dcbd710..70c0d28830 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3/schema_creation.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3/schema_creation.rb
@@ -3,6 +3,13 @@ module ActiveRecord
     module SQLite3
       class SchemaCreation < AbstractAdapter::SchemaCreation
         private
+
+          def column_options(o)
+            options = super
+            options[:null] = false if o.primary_key
+            options
+          end
+
           def add_column_options!(sql, options)
             if options[:collation]
               sql << " COLLATE \"#{options[:collation]}\""