forked from ntalbott/query_trace
/
query_trace.rb
57 lines (49 loc) · 1.36 KB
/
query_trace.rb
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module QueryTrace
class << self
def trace_queries
@trace_queries ||= false
end
attr_writer :trace_queries
def trace_queries?
trace_queries ? true : false
end
end
def self.append_features(klass)
super
klass.class_eval do
unless method_defined?(:log_info_without_trace)
alias_method :log_info_without_trace, :log_info
alias_method :log_info, :log_info_with_trace
end
end
klass.class_eval %(
def row_even
@@row_even
end
)
end
def log_info_with_trace(sql, name, runtime)
log_info_without_trace(sql, name, runtime)
if @logger && QueryTrace.trace_queries? && !(name =~ / Columns$/)
trace = clean_trace(caller[2..-1])
@logger.debug(format_trace(trace))
end
end
def format_trace(trace)
if ActiveRecord::Base.colorize_logging
if row_even
message_color = "35;2"
else
message_color = "36;2"
end
trace.collect{|t| " \e[#{message_color}m#{t}\e[0m"}.join("\n")
else
trace.join("\n ")
end
end
VENDOR_RAILS_REGEXP = %r(([\\/:])vendor\1rails\1)
def clean_trace(trace)
return trace unless defined?(RAILS_ROOT)
trace.select{|t| /#{Regexp.escape(File.expand_path(RAILS_ROOT))}/ =~ t}.reject{|t| VENDOR_RAILS_REGEXP =~ t}.collect{|t| t.gsub(RAILS_ROOT + '/', '')}
end
end