Sha256: c8f424f686cf2b2db96b184ca20eb64021df77cf41b3dd98bbc7e91e98a77046
Contents?: true
Size: 806 Bytes
Versions: 93
Compression:
Stored size: 806 Bytes
Contents
#!/usr/bin/env ruby1.9.1
require 'pg'
db = PG.connect( :dbname => 'test' )
db.exec "DROP TABLE IF EXISTS test"
db.exec "CREATE TABLE test (a INTEGER, b BYTEA)"
a = 42
b = [1, 2, 3]
db.exec "INSERT INTO test(a, b) VALUES($1::int, $2::bytea)",
[a, {:value => b.pack('N*'), :format => 1}]
db.exec( "SELECT a::int, b::bytea FROM test LIMIT 1", [], 1 ) do |res|
res.nfields.times do |i|
puts "Field %d is: %s, a %s (%s) column from table %p" % [
i,
res.fname( i ),
db.exec( "SELECT format_type($1,$2)", [res.ftype(i), res.fmod(1)] ).getvalue(0,0),
res.fformat( i ).zero? ? "string" : "binary",
res.ftable( i ),
]
end
res.each do |row|
puts "a = #{row['a'].inspect}"
puts "a (unpacked) = #{row['a'].unpack('N*').inspect}"
puts "b = #{row['b'].unpack('N*').inspect}"
end
end
Version data entries
93 entries across 93 versions & 6 rubygems