Marko Mäkelä 8acf4d6f78 Follow-up fixes for MDEV-10139 Support for InnoDB SEQUENCE objects ... Because SEQUENCE objects or NO_ROLLBACK tables do not support locking or MVCC or transactions, avoid starting a transaction. row_upd_step(): Do not start a transaction. Let the caller do that. que_thr_step(): Call trx_start_if_not_started_xa() for QUE_NODE_UPDATE. (The InnoDB SQL parser is not used for accessing NO_ROLLBACK tables.) row_ins_step(): Correct a too strict assertion and comment about concurrency. Multiple concurrent readers are allowed. row_update_for_mysql_using_upd_graph(): Do not start the transaction for NO_ROLLBACK tables. row_search_mvcc(): For NO_ROLLBACK tables, skip locking even inside LOCK TABLES. Only call trx_start_if_not_started() at the start of a statement, not for each individual request.		2017-05-24 18:23:16 +03:00
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que0que.cc	Follow-up fixes for MDEV-10139 Support for InnoDB SEQUENCE objects	2017-05-24 18:23:16 +03:00