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| author | Pratik Naik <pratiknaik@gmail.com> | 2010-01-30 19:31:31 +0000 |
|---|---|---|
| committer | Pratik Naik <pratiknaik@gmail.com> | 2010-01-30 19:31:31 +0000 |
| commit | 11dc44ac339199680704b52402fd53f2e3c0ee07 (patch) | |
| tree | 725a8062020f435f6795d38a0ae993239c6ef1df /lib/arel | |
| parent | e2dad56caae7ed7697f8d9b4e9d6a62faa308046 (diff) | |
| download | rails-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/arel')
| -rw-r--r-- | lib/arel/engines/sql/core_extensions/array.rb | 6 |
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 |