Class: Spanner::Translator::Rules::Translation::AddIndexOptions

Inherits:
BaseRule
  • Object
show all
Defined in:
lib/spanner/translator/rules/translation/add_index_options.rb

Overview

  • set order: { column_name: :asc, datetime: :desc } for each column on every index
  • propagate name: if explicitly set on index
  • propagate unique: if explicitly set on index
  • add null_filtered: true if any column is nullable and index is unique: true

Constant Summary

Constants inherited from BaseRule

BaseRule::RAILS_COLUMN_TYPES

Instance Attribute Summary

Attributes inherited from BaseRule

#translation_options

Instance Method Summary collapse

Methods inherited from BaseRule

#any_index?, #capture_column_nullity, #capture_primary_key_argument, #capture_table_name, #conditionally_propagate_argument, #create_range, #initialize, #unless_seen

Constructor Details

This class inherits a constructor from Spanner::Translator::Rules::BaseRule

Instance Method Details

#on_send(node) ⇒ Object 



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# File 'lib/spanner/translator/rules/translation/add_index_options.rb', line 14

def on_send(node)
  capture_column_nullity(node)
  return unless node.t_index?
  return @rewriter.remove(node.loc.expression) if Spanner::Translator.configuration.skip_indexes

  @rewriter.replace(node.loc.expression, "t.index #{new_arguments_for_column_definition(node)}")
end