Class: RailsVisualizer::Schema::IndexInspector

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_visualizer/schema/index_inspector.rb

Instance Method Summary collapse

Constructor Details

#initialize(model) ⇒ IndexInspector

Returns a new instance of IndexInspector.



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# File 'lib/rails_visualizer/schema/index_inspector.rb', line 6

def initialize(model)
  @model = model
end

Instance Method Details

#call ⇒ Object

Returns a hash of column_name => [index_info, …] for the model’s table.



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# File 'lib/rails_visualizer/schema/index_inspector.rb', line 11

def call
  return {} unless safe_table_exists?

  safe_indexes.each_with_object({}) do |index, hash|
    next unless index.columns.is_a?(Array)

    index.columns.each do |column|
      hash[column] ||= []
      hash[column] << {
        name: index.name,
        unique: index.unique,
        columns: index.columns
      }
    end
  end
end