instance method `explain`

Ruby on Rails 6.1.7.10

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 = [])

No documentation comment.

Parameters

arel req
binds opt = []

Source

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