instance method `explain`

Ruby on Rails 8.0.4

Since v6.1.7.10

Available in: v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

explain(arel, binds = [], _options = [])

No documentation comment.

Parameters

arel req
binds opt = []
_options opt = []

Source

# File activerecord/lib/active_record/connection_adapters/sqlite3/database_statements.rb, line 18
        def explain(arel, binds = [], _options = [])
          sql    = "EXPLAIN QUERY PLAN " + to_sql(arel, binds)
          result = internal_exec_query(sql, "EXPLAIN", [])
          SQLite3::ExplainPrettyPrinter.new.pp(result)
        end

Defined in activerecord/lib/active_record/connection_adapters/sqlite3/database_statements.rb line 18 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::SQLite3::DatabaseStatements

Signature

Parameters