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Diffstat (limited to 'innobase/include/row0vers.ic')
-rw-r--r-- | innobase/include/row0vers.ic | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/innobase/include/row0vers.ic b/innobase/include/row0vers.ic index 5ece47c35d1..ab1e264635b 100644 --- a/innobase/include/row0vers.ic +++ b/innobase/include/row0vers.ic @@ -11,73 +11,3 @@ Created 2/6/1997 Heikki Tuuri #include "read0read.h" #include "page0page.h" #include "log0recv.h" - -/************************************************************************* -Fetches the trx id of a clustered index record or version. */ -UNIV_INLINE -dulint -row_vers_get_trx_id( -/*================*/ - /* out: trx id or ut_dulint_zero if the - clustered index record not found */ - rec_t* rec, /* in: clustered index record, or an old - version of it */ - dict_table_t* table) /* in: table */ -{ - return(row_get_rec_trx_id(rec, dict_table_get_first_index(table))); -} - -/************************************************************************* -Checks if a consistent read can be performed immediately on the index -record, or if an older version is needed. */ -UNIV_INLINE -ibool -row_vers_clust_rec_sees_older( -/*==========================*/ - /* out: FALSE if can read immediately */ - rec_t* rec, /* in: record which should be read or passed - over by a read cursor */ - dict_index_t* index, /* in: clustered index */ - read_view_t* view) /* in: read view */ -{ - ut_ad(index->type & DICT_CLUSTERED); - - if (read_view_sees_trx_id(view, row_get_rec_trx_id(rec, index))) { - - return(FALSE); - } - - return(TRUE); -} - -/************************************************************************* -Checks if a secondary index record can be read immediately by a consistent -read, or if an older version may be needed. To be sure, we will have to -look in the clustered index. */ -UNIV_INLINE -ibool -row_vers_sec_rec_may_see_older( -/*===========================*/ - /* out: FALSE if can be read immediately */ - rec_t* rec, /* in: record which should be read or passed */ - dict_index_t* index __attribute__((unused)),/* in: secondary index */ - read_view_t* view) /* in: read view */ -{ - page_t* page; - - ut_ad(!(index->type & DICT_CLUSTERED)); - - page = buf_frame_align(rec); - - if ((ut_dulint_cmp(page_get_max_trx_id(page), view->up_limit_id) >= 0) - || recv_recovery_is_on()) { - - /* It may be that the record was inserted or modified by a - transaction the view should not see: we have to look in the - clustered index */ - - return(TRUE); - } - - return(FALSE); -} |