ODBC connection : ODBC « Database « Ruby

Home
Ruby
1.ActiveRecord
2.Array
3.CGI
4.Class
5.Collections
6.Database
7.Date
8.Design Patterns
9.Development
10.File Directory
11.GUI
12.Hash
13.Language Basics
14.Method
15.Network
16.Number
17.Rails
18.Range
19.Reflection
20.Statement
21.String
22.Threads
23.Time
24.Tk
25.Unit Test
26.Windows Platform
27.XML
Ruby » Database » ODBC 




ODBC connection


require "odbc"

DSN  = "Myodbc"
USER = "YourName"
PWD  = "123"

ODBC.connect(DSN, USER, PWDdo |dbh|
  dbh.autocommit = true
  begin
    dbh.do("DROP TABLE test")
  rescue ODBC::Error; end
  dbh.do("CREATE TABLE test (id INT, name VARCHAR(30))")
  dbh.do("INSERT INTO test VALUES (?,?)"1'Michael')
  dbh.autocommit = false
  dbh.prepare("INSERT INTO test VALUES(?,?)"do |sth|
    name = "AAAAA"
    99.times {|n| sth.execute(n+2, name.succ!) }
  end
  dbh.commit
  dbh.run("SELECT COUNT(*) FROM test"do |sth|
    p sth.fetch[0]  # => 100
  end
  sql = "SELECT name FROM test WHERE id BETWEEN ? AND ?"
  sth = dbh.run(sql, 4950)
  sth.ignorecase = true
  sth.fetch_hash do |row|
    p row['NAME']            # => "AAABW""AAABX"
  end
  sth.drop
end

 














Related examples in the same category
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.