pgsql Ruby Gem

A PostgreSQL library that was carefully designed.

Author

Bertram Scharpf [email protected]

Features

  • Connection parameters from hash
  • Query parameters
  • Asynchronous queries
  • Quick query of single lines or values
  • Full PostgreSQL quoting support
  • Built-in transactions and savepoints by Ruby blocks

Example

Write something like this:

require "pgsql"

Pg::Conn.open :dbname => "test1", :user => "jdoe" do |conn|
  conn.exec "SELECT * FROM mytable;" do |result|
  result.each { |row|
    l = row.join ", "
    ...
  }
  end
  cmd = <<~ENDSQL
    SELECT * FROM mytable WHERE num=$1::INTEGER;
  ENDSQL
  conn.query cmd, 42 do |row|
    l = row.join ", "
    ...
  end
  ...
end

Thanks

In the remembrance of Guy Decoux.