Current File : /home/rs/ruby/1.8/lib/ruby/site_ruby/1.8/dbi/handles.rb
#
# Dispatch classes (Handle, DriverHandle, DatabaseHandle and StatementHandle)
#
module DBI
#
# Base class for all handles.
#
class Handle
attr_reader :trace_mode, :trace_output
attr_reader :handle
attr :convert_types, true
def initialize(handle, convert_types=true)
@handle = handle
@trace_mode = @trace_output = nil
@convert_types = convert_types
end
# Please seee DBI.trace.
def trace(mode=nil, output=nil)
# FIXME trace
raise InterfaceError, "the trace module has been removed until it actually works."
@trace_mode = mode || @trace_mode || DBI::DEFAULT_TRACE_MODE
@trace_output = output || @trace_output || DBI::DEFAULT_TRACE_OUTPUT
end
#
# Leverage a driver-specific method. The method name will have "__"
# prepended to them before calling, and the DBD must define them as
# such for them to work.
#
def func(function, *values)
if @handle.respond_to?("__" + function.to_s) then
@handle.send("__" + function.to_s, *values)
else
raise InterfaceError, "Driver specific function <#{function}> not available."
end
rescue ArgumentError
raise InterfaceError, "Wrong # of arguments for driver specific function"
end
# error functions?
end
end
require 'dbi/handles/driver'
require 'dbi/handles/database'
require 'dbi/handles/statement'
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