Current File : //usr/local/lib/ruby/gems/2.5/gems/mysql2-0.5.2/lib/mysql2.rb
require 'date'
require 'bigdecimal'
# Load libmysql.dll before requiring mysql2/mysql2.so
# This gives a chance to be flexible about the load path
# Or to bomb out with a clear error message instead of a linker crash
if RUBY_PLATFORM =~ /mswin|mingw/
dll_path = if ENV['RUBY_MYSQL2_LIBMYSQL_DLL']
# If this environment variable is set, it overrides any other paths
# The user is advised to use backslashes not forward slashes
ENV['RUBY_MYSQL2_LIBMYSQL_DLL']
elsif File.exist?(File.expand_path('../vendor/libmysql.dll', File.dirname(__FILE__)))
# Use vendor/libmysql.dll if it exists, convert slashes for Win32 LoadLibrary
File.expand_path('../vendor/libmysql.dll', File.dirname(__FILE__))
elsif defined?(RubyInstaller)
# RubyInstaller-2.4+ native build doesn't need DLL preloading
else
# This will use default / system library paths
'libmysql.dll'
end
if dll_path
require 'Win32API'
LoadLibrary = Win32API.new('Kernel32', 'LoadLibrary', ['P'], 'I')
if LoadLibrary.call(dll_path).zero?
abort "Failed to load libmysql.dll from #{dll_path}"
end
end
end
require 'mysql2/version' unless defined? Mysql2::VERSION
require 'mysql2/error'
require 'mysql2/mysql2'
require 'mysql2/result'
require 'mysql2/client'
require 'mysql2/field'
require 'mysql2/statement'
# = Mysql2
#
# A modern, simple and very fast Mysql library for Ruby - binding to libmysql
module Mysql2
end
if defined?(ActiveRecord::VERSION::STRING) && ActiveRecord::VERSION::STRING < "3.1"
begin
require 'active_record/connection_adapters/mysql2_adapter'
rescue LoadError
warn "============= WARNING FROM mysql2 ============="
warn "This version of mysql2 (#{Mysql2::VERSION}) doesn't ship with the ActiveRecord adapter."
warn "In Rails version 3.1.0 and up, the mysql2 ActiveRecord adapter is included with rails."
warn "If you want to use the mysql2 gem with Rails <= 3.0.x, please use the latest mysql2 in the 0.2.x series."
warn "============= END WARNING FROM mysql2 ============="
end
end
# For holding utility methods
module Mysql2
module Util
#
# Rekey a string-keyed hash with equivalent symbols.
#
def self.key_hash_as_symbols(hash)
return nil unless hash
Hash[hash.map { |k, v| [k.to_sym, v] }]
end
#
# In Mysql2::Client#query and Mysql2::Statement#execute,
# Thread#handle_interrupt is used to prevent Timeout#timeout
# from interrupting query execution.
#
# Timeout::ExitException was removed in Ruby 2.3.0, 2.2.3, and 2.1.8,
# but is present in earlier 2.1.x and 2.2.x, so we provide a shim.
#
require 'timeout'
TIMEOUT_ERROR_CLASS = if defined?(::Timeout::ExitException)
::Timeout::ExitException
else
::Timeout::Error
end
end
end
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