ActiveRecord ConnectionAdapters PostgreSQLAdapter DatabaseStatements module DatabaseStatements 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: … v4.0.13 No documentation comment. Methods (defined here) # begin_db_transaction # begin_isolated_db_transaction # commit_db_transaction # create # exec_delete # exec_insert # exec_query # exec_update # execute # explain # insert_sql # rollback_db_transaction # select_rows # sql_for_insert # substitute_at # update_sql Used by Included by (1) ActiveRecord::ConnectionAdapters::PostgreSQLAdapter