* Implemented PGresult#cmdtuples method (compatibilty)

* new version

Author: mneumann

lib/postgres-pr/connection.rb

@@ -74,7 +74,7 @@ def initialize(database, user, password=nil, uri = nil)
   end
 
   class Result 
-    attr_accessor :rows, :fields
+    attr_accessor :rows, :fields, :cmd_tag
     def initialize(rows=[], fields=[])
       @rows, @fields = rows, fields
     end
@@ -93,6 +93,7 @@ def query(sql)
         when DataRow
           result.rows << msg.columns
         when CommandComplete
+          result.cmd_tag = msg.cmd_tag
         when ReadyForQuery
           break
         when RowDescription

lib/postgres-pr/postgres-compat.rb

@@ -94,4 +94,17 @@ def getvalue(tup_num, field_num)
   def clear
     @res = @fields = @result = nil
   end
+
+  # Returns the number of rows affected by the SQL command
+  def cmdtuples
+    case @res.cmd_tag
+    when nil 
+      return nil
+    when /^INSERT\s+(\d+)\s+(\d+)$/, /^(DELETE|UPDATE|MOVE|FETCH)\s+(\d+)$/
+      $2.to_i
+    else
+      nil
+    end
+  end
+
 end

postgres-pr.gemspec

@@ -2,7 +2,7 @@ require 'rubygems'
 
 spec = Gem::Specification.new do |s|
   s.name = 'postgres-pr'
-  s.version = '0.3.1'
+  s.version = '0.3.2'
   s.summary = 'A pure Ruby interface to the PostgreSQL database'
 
   s.files = (Dir['lib/**/*'] + Dir['test/**/*'] +