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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/insert_manager.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/insert_manager.rb')
-rw-r--r-- | activerecord/lib/arel/insert_manager.rb | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/activerecord/lib/arel/insert_manager.rb b/activerecord/lib/arel/insert_manager.rb new file mode 100644 index 0000000000..dcbac6cb43 --- /dev/null +++ b/activerecord/lib/arel/insert_manager.rb @@ -0,0 +1,48 @@ +# frozen_string_literal: true +module Arel + class InsertManager < Arel::TreeManager + def initialize + super + @ast = Nodes::InsertStatement.new + end + + def into table + @ast.relation = table + self + end + + def columns; @ast.columns end + def values= val; @ast.values = val; end + + def select select + @ast.select = select + end + + def insert fields + return if fields.empty? + + if String === fields + @ast.values = Nodes::SqlLiteral.new(fields) + else + @ast.relation ||= fields.first.first.relation + + values = [] + + fields.each do |column, value| + @ast.columns << column + values << value + end + @ast.values = create_values values, @ast.columns + end + self + end + + def create_values values, columns + Nodes::Values.new values, columns + end + + def create_values_list(rows) + Nodes::ValuesList.new(rows) + end + end +end |