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-rwxr-xr-xactiverecord/lib/active_record/base.rb4
-rwxr-xr-xactiverecord/test/base_test.rb6
2 files changed, 9 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index be8b672fa7..8bd2a4530b 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -1501,7 +1501,9 @@ module ActiveRecord #:nodoc:
# Interpolate custom sql string in instance context.
# Optional record argument is meant for custom insert_sql.
def interpolate_sql(sql, record = nil)
- instance_eval("%(#{sql})")
+ # Parens in the sql in, e.g., subselects, cause a parse error, so
+ # escape them.
+ instance_eval("%@#{sql.gsub('@', '\@')}@")
end
# Initializes the attributes array with keys matching the columns from the linked table and
diff --git a/activerecord/test/base_test.rb b/activerecord/test/base_test.rb
index c7e795c0e6..9b5ce8a8ce 100755
--- a/activerecord/test/base_test.rb
+++ b/activerecord/test/base_test.rb
@@ -1018,6 +1018,12 @@ class BasicsTest < Test::Unit::TestCase
assert_equal firm.clients.collect{ |x| x.name }.sort, clients.collect{ |x| x.name }.sort
end
+ def test_interpolate_sql
+ assert_nothing_raised { Category.new.send(:interpolate_sql, 'foo@bar') }
+ assert_nothing_raised { Category.new.send(:interpolate_sql, 'foo bar) baz') }
+ assert_nothing_raised { Category.new.send(:interpolate_sql, 'foo bar} baz') }
+ end
+
private
def assert_readers(model, exceptions)