22 lines
711 B
Ruby
22 lines
711 B
Ruby
# This patches ActiveRecord so indexes for binary columns created using the
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# MySQL adapter apply a length of 20. Otherwise MySQL can't create an index on
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# binary columns.
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module MysqlSetLengthForBinaryIndex
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def add_index(table_name, column_names, options = {})
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Array(column_names).each do |column_name|
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column = ActiveRecord::Base.connection.columns(table_name).find { |c| c.name == column_name }
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if column&.type == :binary
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options[:length] = 20
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end
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end
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super(table_name, column_names, options)
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end
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end
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if defined?(ActiveRecord::ConnectionAdapters::Mysql2Adapter)
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ActiveRecord::ConnectionAdapters::Mysql2Adapter.send(:prepend, MysqlSetLengthForBinaryIndex)
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end
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