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306e1338a5
In semi-consistent read, only unlock freshly locked non-matching records. Define DB_SUCCESS_LOCKED_REC for indicating a successful operation where a record lock was created. lock_rec_lock_fast(): Return LOCK_REC_SUCCESS, LOCK_REC_SUCCESS_CREATED, or LOCK_REC_FAIL instead of TRUE/FALSE. lock_sec_rec_read_check_and_lock(), lock_clust_rec_read_check_and_lock(), lock_rec_enqueue_waiting(), lock_rec_lock_slow(), lock_rec_lock(), row_ins_set_shared_rec_lock(), row_ins_set_exclusive_rec_lock(), sel_set_rec_lock(), row_sel_get_clust_rec_for_mysql(): Return DB_SUCCESS_LOCKED_REC if a new record lock was created. Adjust callers. row_unlock_for_mysql(): Correct the function documentation. row_prebuilt_t::new_rec_locks: Correct the documentation. |
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