Contents

#!/usr/bin/env ruby

require 'pg'

# An example of how to use SQL cursors. This is mostly a straight port of
# the cursor portion of testlibpq.c from src/test/examples.

$stderr.puts "Opening database connection ..."
conn = PGconn.connect( :dbname => 'test' )

# 
conn.transaction do
    conn.exec( "DECLARE myportal CURSOR FOR select * from pg_database" )
    res = conn.exec( "FETCH ALL IN myportal" )

    puts res.fields.collect {|fname| "%-15s" % [fname] }.join( '' )
    res.values.collect do |row|
        puts row.collect {|col| "%-15s" % [col] }.join( '' )
    end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
pg-0.12.2-x86-mingw32	sample/cursor.rb
pg-0.12.2	sample/cursor.rb
pg-0.12.1	sample/cursor.rb
pg-0.12.0-x86-mingw32	sample/cursor.rb
pg-0.12.0	sample/cursor.rb
pg-0.12.0.pre263	sample/cursor.rb