Remove workaround for "false" return value

Author: andyundso

activerecord-sqlserver-adapter.gemspec

@@ -28,5 +28,5 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "activerecord", "~> 8.1.0.alpha"
-  spec.add_dependency "tiny_tds"
+  spec.add_dependency "tiny_tds", "~> 3"
 end

lib/active_record/connection_adapters/sqlserver/database_statements.rb

@@ -461,13 +461,8 @@ def finish_statement_handle(handle)
           handle
         end
 
-        # TinyTDS returns false instead of raising an exception if connection fails.
-        # Getting around this by raising an exception ourselves while PR
-        # https://github.com/rails-sqlserver/tiny_tds/pull/469 is not released.
         def internal_raw_execute(sql, raw_connection, perform_do: false)
           result = raw_connection.execute(sql)
-          raise TinyTds::Error, "failed to execute statement" if result.is_a?(FalseClass)
-
           perform_do ? result.do : result
         end
       end