method
primary_keys
v5.2.3 -
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- Class:
ActiveRecord::ConnectionAdapters::SchemaCache
primary_keys(table_name)public
No documentation available.
# File activerecord/lib/active_record/connection_adapters/schema_cache.rb, line 42
def primary_keys(table_name)
@primary_keys[table_name] ||= data_source_exists?(table_name) ? connection.primary_key(table_name) : nil
end