pg/lib/pg.rb

90 lines
2.3 KiB
Ruby

# -*- ruby -*-
# frozen_string_literal: true
# The top-level PG namespace.
module PG
# Is this file part of a fat binary gem with bundled libpq?
bundled_libpq_path = File.join(__dir__, RUBY_PLATFORM.gsub(/^i386-/, "x86-"))
if File.exist?(bundled_libpq_path)
POSTGRESQL_LIB_PATH = bundled_libpq_path
else
bundled_libpq_path = nil
# Try to load libpq path as found by extconf.rb
begin
require "pg/postgresql_lib_path"
rescue LoadError
# rake-compiler doesn't use regular "make install", but uses it's own install tasks.
# It therefore doesn't copy pg/postgresql_lib_path.rb in case of "rake compile".
POSTGRESQL_LIB_PATH = false
end
end
add_dll_path = proc do |path, &block|
if RUBY_PLATFORM =~/(mswin|mingw)/i && path && File.exist?(path)
begin
require 'ruby_installer/runtime'
RubyInstaller::Runtime.add_dll_directory(path, &block)
rescue LoadError
old_path = ENV['PATH']
ENV['PATH'] = "#{path};#{old_path}"
block.call
ENV['PATH'] = old_path
end
else
# No need to set a load path manually - it's set as library rpath.
block.call
end
end
# Add a load path to the one retrieved from pg_config
add_dll_path.call(POSTGRESQL_LIB_PATH) do
if bundled_libpq_path
# It's a Windows binary gem, try the <major>.<minor> subdirectory
major_minor = RUBY_VERSION[ /^(\d+\.\d+)/ ] or
raise "Oops, can't extract the major/minor version from #{RUBY_VERSION.dump}"
require "#{major_minor}/pg_ext"
else
require 'pg_ext'
end
end
class NotAllCopyDataRetrieved < PG::Error
end
class NotInBlockingMode < PG::Error
end
# Get the PG library version.
#
# +include_buildnum+ is no longer used and any value passed will be ignored.
def self.version_string( include_buildnum=nil )
"%s %s" % [ self.name, VERSION ]
end
### Convenience alias for PG::Connection.new.
def self.connect( *args, &block )
Connection.new( *args, &block )
end
require 'pg/exceptions'
require 'pg/constants'
require 'pg/coder'
require 'pg/binary_decoder'
require 'pg/text_encoder'
require 'pg/text_decoder'
require 'pg/basic_type_registry'
require 'pg/basic_type_map_based_on_result'
require 'pg/basic_type_map_for_queries'
require 'pg/basic_type_map_for_results'
require 'pg/type_map_by_column'
require 'pg/connection'
require 'pg/result'
require 'pg/tuple'
require 'pg/version'
end # module PG