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-rw-r--r--storage/innobase/btr/btr0cur.cc27
1 files changed, 17 insertions, 10 deletions
diff --git a/storage/innobase/btr/btr0cur.cc b/storage/innobase/btr/btr0cur.cc
index 4f24ad75e26..7846debc115 100644
--- a/storage/innobase/btr/btr0cur.cc
+++ b/storage/innobase/btr/btr0cur.cc
@@ -3,6 +3,7 @@
Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
Copyright (c) 2008, Google Inc.
Copyright (c) 2012, Facebook Inc.
+Copyright (c) 2017, MariaDB Corporation.
Portions of this file contain modifications contributed and copyrighted by
Google, Inc. Those modifications are gratefully acknowledged and are described
@@ -1223,15 +1224,17 @@ btr_cur_optimistic_insert(
btr_cur_t* cursor, /*!< in: cursor on page after which to insert;
cursor stays valid */
ulint** offsets,/*!< out: offsets on *rec */
- mem_heap_t** heap, /*!< in/out: pointer to memory heap, or NULL */
+ mem_heap_t** heap, /*!< in/out: pointer to memory heap */
dtuple_t* entry, /*!< in/out: entry to insert */
rec_t** rec, /*!< out: pointer to inserted record if
succeed */
big_rec_t** big_rec,/*!< out: big rec vector whose fields have to
- be stored externally by the caller, or
- NULL */
+ be stored externally by the caller */
ulint n_ext, /*!< in: number of externally stored columns */
- que_thr_t* thr, /*!< in: query thread or NULL */
+ que_thr_t* thr, /*!< in/out: query thread; can be NULL if
+ !(~flags
+ & (BTR_NO_LOCKING_FLAG
+ | BTR_NO_UNDO_LOG_FLAG)) */
mtr_t* mtr) /*!< in/out: mini-transaction;
if this function returns DB_SUCCESS on
a leaf page of a secondary index in a
@@ -1252,6 +1255,7 @@ btr_cur_optimistic_insert(
ulint rec_size;
dberr_t err;
+ ut_ad(thr || !(~flags & (BTR_NO_LOCKING_FLAG | BTR_NO_UNDO_LOG_FLAG)));
*big_rec = NULL;
block = btr_cur_get_block(cursor);
@@ -1510,15 +1514,17 @@ btr_cur_pessimistic_insert(
cursor stays valid */
ulint** offsets,/*!< out: offsets on *rec */
mem_heap_t** heap, /*!< in/out: pointer to memory heap
- that can be emptied, or NULL */
+ that can be emptied */
dtuple_t* entry, /*!< in/out: entry to insert */
rec_t** rec, /*!< out: pointer to inserted record if
succeed */
big_rec_t** big_rec,/*!< out: big rec vector whose fields have to
- be stored externally by the caller, or
- NULL */
+ be stored externally by the caller */
ulint n_ext, /*!< in: number of externally stored columns */
- que_thr_t* thr, /*!< in: query thread or NULL */
+ que_thr_t* thr, /*!< in/out: query thread; can be NULL if
+ !(~flags
+ & (BTR_NO_LOCKING_FLAG
+ | BTR_NO_UNDO_LOG_FLAG)) */
mtr_t* mtr) /*!< in/out: mini-transaction */
{
dict_index_t* index = cursor->index;
@@ -1530,6 +1536,7 @@ btr_cur_pessimistic_insert(
ulint n_reserved = 0;
ut_ad(dtuple_check_typed(entry));
+ ut_ad(thr || !(~flags & (BTR_NO_LOCKING_FLAG | BTR_NO_UNDO_LOG_FLAG)));
*big_rec = NULL;
@@ -2426,12 +2433,12 @@ btr_cur_pessimistic_update(
ulint** offsets,/*!< out: offsets on cursor->page_cur.rec */
mem_heap_t** offsets_heap,
/*!< in/out: pointer to memory heap
- that can be emptied, or NULL */
+ that can be emptied */
mem_heap_t* entry_heap,
/*!< in/out: memory heap for allocating
big_rec and the index tuple */
big_rec_t** big_rec,/*!< out: big rec vector whose fields have to
- be stored externally by the caller, or NULL */
+ be stored externally by the caller */
const upd_t* update, /*!< in: update vector; this is allowed also
contain trx id and roll ptr fields, but
the values in update vector have no effect */