Provide class config for use_output_inserted (default true) for insert SQL. Fixed #381.

Author: metaskills

CHANGELOG.md

@@ -4,6 +4,7 @@
 #### Added
 
 * DatabaseTasks support for all tasks! Uses FreeTDS `defncopy` for structure dump. Fixes #380.
+* Provide class config for `use_output_inserted` (default true) for insert SQL. Fixed #381.
 
 
 ## v4.2.1

lib/active_record/connection_adapters/sqlserver/database_statements.rb

@@ -200,7 +200,7 @@ def select(sql, name = nil, binds = [])
         end
 
         def sql_for_insert(sql, pk, id_value, sequence_name, binds)
-          sql = if pk
+          sql = if pk && self.class.use_output_inserted
             quoted_pk = SQLServer::Utils.extract_identifiers(pk).quoted
             sql.insert sql.index(/ (DEFAULT )?VALUES/), " OUTPUT INSERTED.#{quoted_pk}"
           else

lib/active_record/connection_adapters/sqlserver_adapter.rb

@@ -41,9 +41,11 @@ class SQLServerAdapter < AbstractAdapter
       attr_reader :spid
 
       cattr_accessor :cs_equality_operator, instance_accessor: false
+      cattr_accessor :use_output_inserted, instance_accessor: false
       cattr_accessor :lowercase_schema_reflection, :showplan_option
 
       self.cs_equality_operator = 'COLLATE Latin1_General_CS_AS_WS'
+      self.use_output_inserted = true
 
       def initialize(connection, logger, pool, config)
         super(connection, logger, pool)