Module: ArelExtensions::InsertManager

Included in:
Arel::InsertManager
Defined in:
lib/arel_extensions/insert_manager.rb

Defined Under Namespace

Classes: BulkValues

Instance Method Summary collapse

Instance Method Details

#bulk_insert(cols, data) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/arel_extensions/insert_manager.rb', line 5

def bulk_insert(cols, data)
  raise ArgumentError, 'cols must be present' if cols.blank?
  columns =
    case cols.first
    when Array
      case cols.first.first
      when Arel::Attributes::Attribute
        cols
      when String, Symbol
        cols.map {|c| [@ast.relation[c.first]] }
      else
        raise ArgumentError, "cols has an invalid type: #{cols.first.first.class}"
      end
    when String, Symbol
      cols.map { |c| @ast.relation[c] }
    else
      raise ArgumentError, "cols has an invalid type: #{cols.first.class}"
    end
  self.values = BulkValues.new(columns, data)
  @ast.columns = columns
end