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December 12, 2015 03:38
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| require 'pg' | |
| require 'pry' | |
| conn = PG.connect(:dbname =>'db_name', :host => 'localhost') | |
| conn.exec( "select * from table_name" ) do |result| | |
| result.each do |row| | |
| puts row['a1'] | |
| end | |
| end | |
| conn.close |
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