diff options
Diffstat (limited to 'activerecord/lib/active_record/explain.rb')
| -rw-r--r-- | activerecord/lib/active_record/explain.rb | 29 |
1 files changed, 20 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/explain.rb b/activerecord/lib/active_record/explain.rb index 727a9befc1..ac27e72f2b 100644 --- a/activerecord/lib/active_record/explain.rb +++ b/activerecord/lib/active_record/explain.rb @@ -16,15 +16,14 @@ module ActiveRecord # Makes the adapter execute EXPLAIN for the tuples of queries and bindings. # Returns a formatted string ready to be logged. def exec_explain(queries) # :nodoc: - str = queries.map do |sql, bind| - [].tap do |msg| - msg << "EXPLAIN for: #{sql}" - unless bind.empty? - bind_msg = bind.map {|col, val| [col.name, val]}.inspect - msg.last << " #{bind_msg}" - end - msg << connection.explain(sql, bind) - end.join("\n") + str = queries.map do |sql, binds| + msg = "EXPLAIN for: #{sql}" + unless binds.empty? + msg << " " + msg << binds.map { |attr| render_bind(attr) }.inspect + end + msg << "\n" + msg << connection.explain(sql, binds) end.join("\n") # Overriding inspect to be more human readable, especially in the console. @@ -34,5 +33,17 @@ module ActiveRecord str end + + private + + def render_bind(attr) + value = if attr.type.binary? && attr.value + "<#{attr.value_for_database.to_s.bytesize} bytes of binary data>" + else + connection.type_cast(attr.value_for_database) + end + + [attr.name, value] + end end end |