instance method `columns_hash`

Ruby on Rails 7.1.6

Since v3.2.22.5

Available in: v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

columns_hash(connection, table_name)

Get the columns for a table as a hash, key is the column name value is the column object.

Parameters

connection req
table_name req

Source

# File activerecord/lib/active_record/connection_adapters/schema_cache.rb, line 352
      def columns_hash(connection, table_name)
        @columns_hash.fetch(table_name) do
          @columns_hash[deep_deduplicate(table_name)] = columns(connection, table_name).index_by(&:name).freeze
        end
      end

Defined in activerecord/lib/active_record/connection_adapters/schema_cache.rb line 352 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::SchemaCache

Signature

Parameters