diff options
Diffstat (limited to 'storage/innobase/include/row0purge.h')
| -rw-r--r-- | storage/innobase/include/row0purge.h | 35 |
1 files changed, 1 insertions, 34 deletions
diff --git a/storage/innobase/include/row0purge.h b/storage/innobase/include/row0purge.h index 1daf4d4a..33ac8599 100644 --- a/storage/innobase/include/row0purge.h +++ b/storage/innobase/include/row0purge.h @@ -1,7 +1,7 @@ /***************************************************************************** Copyright (c) 1997, 2016, Oracle and/or its affiliates. All Rights Reserved. -Copyright (c) 2017, 2019, MariaDB Corporation. +Copyright (c) 2017, 2023, MariaDB Corporation. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software @@ -37,39 +37,6 @@ Created 3/14/1997 Heikki Tuuri #include <unordered_map> class MDL_ticket; -/** Determines if it is possible to remove a secondary index entry. -Removal is possible if the secondary index entry does not refer to any -not delete marked version of a clustered index record where DB_TRX_ID -is newer than the purge view. - -NOTE: This function should only be called by the purge thread, only -while holding a latch on the leaf page of the secondary index entry -(or keeping the buffer pool watch on the page). It is possible that -this function first returns true and then false, if a user transaction -inserts a record that the secondary index entry would refer to. -However, in that case, the user transaction would also re-insert the -secondary index entry after purge has removed it and released the leaf -page latch. -@param[in,out] node row purge node -@param[in] index secondary index -@param[in] entry secondary index entry -@param[in,out] sec_pcur secondary index cursor or NULL - if it is called for purge buffering - operation. -@param[in,out] sec_mtr mini-transaction which holds - secondary index entry or NULL if it is - called for purge buffering operation. -@param[in] is_tree true=pessimistic purge, - false=optimistic (leaf-page only) -@return true if the secondary index record can be purged */ -bool -row_purge_poss_sec( - purge_node_t* node, - dict_index_t* index, - const dtuple_t* entry, - btr_pcur_t* sec_pcur=NULL, - mtr_t* sec_mtr=NULL, - bool is_tree=false); /*************************************************************** Does the purge operation. |