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Freeze columns before using them as hash keys

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This reduces the number of allocated strings from columns * (rows + 1) to just columns.
This commit is contained in:
Jeremy Evans 2012-09-13 14:13:19 -07:00
parent 0247443deb
commit 3aef5ce9b3
1 changed files with 1 additions and 1 deletions
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2
activerecord/lib/active_record/result.rb
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@ -11,7 +11,7 @@ module ActiveRecord
attr_reader :columns, :rows, :column_types
def initialize(columns, rows, column_types = {})
@columns = columns
@columns = columns.map{|c| c.freeze}
@rows = rows
@hash_rows = nil
@column_types = column_types