Ruby Interface for SQLite3

Overview

This library allows Ruby programs to use the SQLite3 database engine (http://www.sqlite.org).

Note that this module is only compatible with SQLite 3.6.16 or newer.

Source code: https://github.com/sparklemotion/sqlite3-ruby
Mailing list: http://groups.google.com/group/sqlite3-ruby
Download: http://rubygems.org/gems/sqlite3
Documentation: http://www.rubydoc.info/gems/sqlite3

Quick start

For help understanding the SQLite3 Ruby API, please read the FAQ and the full API documentation.

A few key classes whose APIs are often-used are:

SQLite3::Database (rdoc)
SQLite3::Statement (rdoc)
SQLite3::ResultSet (rdoc)

If you have any questions that you feel should be addressed in the FAQ, please send them to the mailing list or open a discussion thread.

require "sqlite3"

# Open a database
db = SQLite3::Database.new "test.db"

# Create a table
rows = db.execute <<-SQL
  create table numbers (
    name varchar(30),
    val int
  );
SQL

# Execute a few inserts
{
  "one" => 1,
  "two" => 2,
}.each do |pair|
  db.execute "insert into numbers values ( ?, ? )", pair
end

# Find a few rows
db.execute( "select * from numbers" ) do |row|
  p row
end
# => ["one", 1]
#    ["two", 2]

# Create another table with multiple columns
db.execute <<-SQL
  create table students (
    name varchar(50),
    email varchar(50),
    grade varchar(5),
    blog varchar(50)
  );
SQL

# Execute inserts with parameter markers
db.execute("INSERT INTO students (name, email, grade, blog)
            VALUES (?, ?, ?, ?)", ["Jane", "me@janedoe.com", "A", "http://blog.janedoe.com"])

db.execute( "select * from students" ) do |row|
  p row
end
# => ["Jane", "me@janedoe.com", "A", "http://blog.janedoe.com"]

Support

Installation or database extensions

If you're having trouble with installation, please first read INSTALLATION.md.

General help requests

You can ask for help or support:

by emailing the sqlite3-ruby mailing list
by opening a discussion thread on Github

Bug reports

You can file the bug at the github issues page.

Contributing

See CONTRIBUTING.md.

License

This library is licensed under BSD-3-Clause, see LICENSE.

Dependencies

The source code of sqlite is distributed in the "ruby platform" gem. This code is public domain, see LICENSE-DEPENDENCIES for details.

License

haileys/sqlite3-ruby

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