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| author | Aaron Patterson <aaron.patterson@gmail.com> | 2012-02-23 10:48:37 -0800 |
|---|---|---|
| committer | Aaron Patterson <aaron.patterson@gmail.com> | 2012-02-23 10:48:37 -0800 |
| commit | b757de114cf79d0bab14b086f4ccc7480b9421d8 (patch) | |
| tree | 0ca4d7ee6bc92f0337d894e2fcc844947d5d2c3d /lib/arel/expressions.rb | |
| parent | 6e427e589820278908e7a746749eb9b79b0f85e3 (diff) | |
| parent | 74aadecc4f58e73704ac6a6fdaf25e48832374cf (diff) | |
| download | rails-b757de114cf79d0bab14b086f4ccc7480b9421d8.tar.gz rails-b757de114cf79d0bab14b086f4ccc7480b9421d8.tar.bz2 rails-b757de114cf79d0bab14b086f4ccc7480b9421d8.zip | |
Merge pull request #103 from alexstaubo/master
ANSI SQL2003 window functions
Diffstat (limited to 'lib/arel/expressions.rb')
| -rw-r--r-- | lib/arel/expressions.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/arel/expressions.rb b/lib/arel/expressions.rb index d1fbfd83d9..fa18f15b67 100644 --- a/lib/arel/expressions.rb +++ b/lib/arel/expressions.rb @@ -19,5 +19,9 @@ module Arel def average Nodes::Avg.new [self], Nodes::SqlLiteral.new('avg_id') end + + def extract field + Nodes::Extract.new [self], field + end end end |