instance method `explain`

Ruby on Rails 4.1.16

Since v4.0.13 Last seen in v4.1.16

Available in: v4.0.13 v4.1.16

Compare with:

explain(arel, binds = [])

No documentation comment.

Parameters

arel req
binds opt = []

Source

# File activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb, line 5
        def explain(arel, binds = [])
          sql = "EXPLAIN #{to_sql(arel, binds)}"
          ExplainPrettyPrinter.new.pp(exec_query(sql, 'EXPLAIN', binds))
        end

Defined in activerecord/lib/active_record/connection_adapters/postgresql/database_statements.rb line 5 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::PostgreSQLAdapter::DatabaseStatements

Signature

Parameters