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author | Matthew Draper <matthew@trebex.net> | 2018-02-24 17:04:15 +1030 |
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committer | Matthew Draper <matthew@trebex.net> | 2018-02-24 17:15:32 +1030 |
commit | 17ca17072dcdff11b3702a6b45f2fb0c8f8fe9a4 (patch) | |
tree | 38afd3ed74f8afda1c2959fefbc13f70b2e448e2 /activerecord/lib/arel/expressions.rb | |
parent | 5ecbeda0e225e4961977b5c516088cf12d92319f (diff) | |
parent | eb3f968b5ffdd3b343e7d190f1aa0b36864f56a2 (diff) | |
download | rails-17ca17072dcdff11b3702a6b45f2fb0c8f8fe9a4.tar.gz rails-17ca17072dcdff11b3702a6b45f2fb0c8f8fe9a4.tar.bz2 rails-17ca17072dcdff11b3702a6b45f2fb0c8f8fe9a4.zip |
Merge Arel into Active Record
Diffstat (limited to 'activerecord/lib/arel/expressions.rb')
-rw-r--r-- | activerecord/lib/arel/expressions.rb | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/activerecord/lib/arel/expressions.rb b/activerecord/lib/arel/expressions.rb new file mode 100644 index 0000000000..612a0942f1 --- /dev/null +++ b/activerecord/lib/arel/expressions.rb @@ -0,0 +1,29 @@ +# frozen_string_literal: true +module Arel + module Expressions + def count distinct = false + Nodes::Count.new [self], distinct + end + + def sum + Nodes::Sum.new [self] + end + + def maximum + Nodes::Max.new [self] + end + + def minimum + Nodes::Min.new [self] + end + + def average + Nodes::Avg.new [self] + end + + def extract field + Nodes::Extract.new [self], field + end + + end +end |