Method: ActiveRecord::ConnectionAdapters::MySQL::DatabaseStatements#build_explain_clause

Defined in:
activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb

#build_explain_clause(options = []) ⇒ Object 



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# File 'activerecord/lib/active_record/connection_adapters/mysql/database_statements.rb', line 36

def build_explain_clause(options = [])
  return "EXPLAIN" if options.empty?

  explain_clause = "EXPLAIN #{options.join(" ").upcase}"

  if analyze_without_explain? && explain_clause.include?("ANALYZE")
    explain_clause.sub("EXPLAIN ", "")
  else
    explain_clause
  end
end