aboutsummaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
authorPratik Naik <pratiknaik@gmail.com>2010-01-30 19:31:31 +0000
committerPratik Naik <pratiknaik@gmail.com>2010-01-30 19:31:31 +0000
commit11dc44ac339199680704b52402fd53f2e3c0ee07 (patch)
tree725a8062020f435f6795d38a0ae993239c6ef1df /lib
parente2dad56caae7ed7697f8d9b4e9d6a62faa308046 (diff)
downloadrails-11dc44ac339199680704b52402fd53f2e3c0ee07.tar.gz
rails-11dc44ac339199680704b52402fd53f2e3c0ee07.tar.bz2
rails-11dc44ac339199680704b52402fd53f2e3c0ee07.zip
Fix the generated SQL when In predicate is supplied an empty Array
Diffstat (limited to 'lib')
-rw-r--r--lib/arel/engines/sql/core_extensions/array.rb6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/arel/engines/sql/core_extensions/array.rb b/lib/arel/engines/sql/core_extensions/array.rb
index 80041cb5f3..72f579b7eb 100644
--- a/lib/arel/engines/sql/core_extensions/array.rb
+++ b/lib/arel/engines/sql/core_extensions/array.rb
@@ -2,7 +2,11 @@ module Arel
module Sql
module ArrayExtensions
def to_sql(formatter = nil)
- "(" + collect { |e| e.to_sql(formatter) }.join(', ') + ")"
+ if any?
+ "(" + collect { |e| e.to_sql(formatter) }.join(', ') + ")"
+ else
+ "(NULL)"
+ end
end
def inclusion_predicate_sql