On Mar 4, 2010, at 6:37 AM, onno wrote:
I've noticed this too. Its caused by a fix(?) in commit
f5b76ea65e52da7c8dcfbeea21fa3a6b2ed0af9d
# Return the entry from #columns for the named column
def self.column(name)
return unless table_exists? # <===== table_exists? causes the
extra selects
name = name.to_s
columns.find {|c| c.name == name }
end
Remove the first line and the extra select statements should
disappear. Don't know if this is a bug or intended.
The table_exists? line isn't a bug - it was actually added to stop
other bugs related to STI and the migration generator.
I *assumed* that table_exists? would be cached by the DB adapter -
apparently I was wrong. I'll take a look.
--Matt Jones
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