Introducing adapter name for custom methods according to the db type

Author: mberlanda

.ruby-gemset

@@ -0,0 +1 @@
+bulk-insert

.ruby-version

@@ -0,0 +1 @@
+ruby-2.2.4

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    bulk_insert (1.3.0)
+    bulk_insert (1.4.0)
       activerecord (>= 4.1.0)
 
 GEM
@@ -111,4 +111,4 @@ DEPENDENCIES
   sqlite3
 
 BUNDLED WITH
-   1.12.5
+   1.14.4

lib/bulk_insert/worker.rb

@@ -7,6 +7,8 @@ class Worker
     def initialize(connection, table_name, column_names, set_size=500, ignore=false)
       @connection = connection
       @set_size = set_size
+
+      @adapter_name = @connection.adapter_name
       # INSERT IGNORE only fails inserts with duplicate keys or unallowed nulls not the whole set of inserts
       @ignore = ignore ? "IGNORE" : nil