diff options
Diffstat (limited to 'storage/innobase/include/row0sel.h')
| -rw-r--r-- | storage/innobase/include/row0sel.h | 38 |
1 files changed, 1 insertions, 37 deletions
diff --git a/storage/innobase/include/row0sel.h b/storage/innobase/include/row0sel.h index 3e6863208af..1186aa6f26e 100644 --- a/storage/innobase/include/row0sel.h +++ b/storage/innobase/include/row0sel.h @@ -177,34 +177,7 @@ row_search_for_mysql( MY_ATTRIBUTE((warn_unused_result)); /** Searches for rows in the database using cursor. -function is meant for temporary table that are not shared accross connection -and so lot of complexity is reduced especially locking and transaction related. -The cursor is an iterator over the table/index. - -@param[out] buf buffer for the fetched row in MySQL format -@param[in] mode search mode PAGE_CUR_L -@param[in,out] prebuilt prebuilt struct for the table handler; - this contains the info to search_tuple, - index; if search tuple contains 0 field then - we position the cursor at start or the end of - index, depending on 'mode' -@param[in] match_mode 0 or ROW_SEL_EXACT or ROW_SEL_EXACT_PREFIX -@param[in] direction 0 or ROW_SEL_NEXT or ROW_SEL_PREV; - Note: if this is != 0, then prebuilt must has a - pcur with stored position! In opening of a - cursor 'direction' should be 0. -@return DB_SUCCESS or error code */ -dberr_t -row_search_no_mvcc( - byte* buf, - page_cur_mode_t mode, - row_prebuilt_t* prebuilt, - ulint match_mode, - ulint direction) - MY_ATTRIBUTE((warn_unused_result)); - -/** Searches for rows in the database using cursor. -Function is mainly used for tables that are shared accorss connection and +Function is mainly used for tables that are shared across connections and so it employs technique that can help re-construct the rows that transaction is suppose to see. It also has optimization such as pre-caching the rows, using AHI, etc. @@ -221,15 +194,6 @@ It also has optimization such as pre-caching the rows, using AHI, etc. Note: if this is != 0, then prebuilt must has a pcur with stored position! In opening of a cursor 'direction' should be 0. -@param[in] ins_sel_stmt if true, then this statement is - insert .... select statement. For normal table - this can be detected by checking out locked - tables using trx->mysql_n_tables_locked > 0 - condition. For intrinsic table - external_lock is not invoked and so condition - above will not stand valid instead this is - traced using alternative condition - at caller level. @return DB_SUCCESS or error code */ dberr_t row_search_mvcc( |