diff options
Diffstat (limited to 'innobase/row/row0sel.c')
| -rw-r--r-- | innobase/row/row0sel.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/innobase/row/row0sel.c b/innobase/row/row0sel.c index 3ff94c8f238..740241fa210 100644 --- a/innobase/row/row0sel.c +++ b/innobase/row/row0sel.c @@ -2794,7 +2794,7 @@ row_search_for_mysql( rec_t* index_rec; rec_t* clust_rec; rec_t* old_vers; - ulint err; + ulint err = DB_SUCCESS; ibool moved; ibool cons_read_requires_clust_rec; ibool was_lock_wait; @@ -3203,26 +3203,20 @@ rec_loop: if (prebuilt->select_lock_type != LOCK_NONE && set_also_gap_locks) { - /* Try to place a lock on the index record */ + /* Try to place a lock on the index record */ - /* If innodb_locks_unsafe_for_binlog option is used, - we lock only the record, i.e. next-key locking is - not used. - */ - if ( srv_locks_unsafe_for_binlog ) - { - err = sel_set_rec_lock(rec, index, - prebuilt->select_lock_type, - LOCK_REC_NOT_GAP, thr); - } - else + /* If innodb_locks_unsafe_for_binlog option is used, + we do not lock gaps. Supremum record is really + a gap and therefore we do not set locks there. */ + + if ( srv_locks_unsafe_for_binlog == FALSE ) { - err = sel_set_rec_lock(rec, index, + err = sel_set_rec_lock(rec, index, prebuilt->select_lock_type, LOCK_ORDINARY, thr); } - - if (err != DB_SUCCESS) { + + if (err != DB_SUCCESS) { goto lock_wait_or_error; } |