Login Register

supports_count_distinct?

supports_count_distinct?()

Instance Public methods

Does this adapter support using DISTINCT within COUNT? This is true for all adapters except sqlite.

Links:

https://github.com/rails/rails/blob/faa7b56fcfb7d13648f6ceb7455e92f7d03da2ed/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb#L166

doc_ruby_on_rails

2015-06-20 00:00:00

Comments

Leave a Comment

Please login to continue.

Popular Articles

db.models.Count.distinct distinct If distinct=True, the count will only include unique instances. This is the SQL equivalent of COUNT(DISTINCT <field>). The default

distinct distinct(value = true) Instance Public methods Specifies whether the records should be unique or not. For example: User.select(:name) #

distinct distinct() Instance Public methods Specifies whether the records should be unique or not. class Person < ActiveRecord::Base has_man

SelectInterface::distinct public SelectInterface::distinct($distinct = TRUE) Sets this query to be DISTINCT. Parameters $distinct: TRUE to flag this query DISTINCT, FALSE to

Select::distinct public Select::distinct($distinct = TRUE) Sets this query to be DISTINCT. Parameters $distinct: TRUE to flag this query DISTINCT, FALSE to disable i