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| author | Marko Mäkelä <marko.makela@oracle.com> | 2012-02-16 12:24:11 +0200 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@oracle.com> | 2012-02-16 12:24:11 +0200 |
| commit | 4045c9976cf475b3f42f4133440c1d9a9060fb25 (patch) | |
| tree | 322175509bfd7f4eb202977f0c628c372538d0a5 /storage/innobase/row/row0upd.c | |
| parent | 66b658720605482b5b98a827ed063a05a49318bc (diff) | |
| download | mariadb-git-4045c9976cf475b3f42f4133440c1d9a9060fb25.tar.gz | |
Add instrumentation for Bug#13721257 RACE CONDITION IN UPDATES OR INSERTS
OF WIDE RECORDS
row_ins_index_entry_low(), row_upd_clust_rec(): Make a redo log
checkpoint if a DEBUG flag is set. Add DEBUG_SYNC around
btr_store_big_rec_extern_fields().
rb:946 approved by Jimmy Yang
Diffstat (limited to 'storage/innobase/row/row0upd.c')
| -rw-r--r-- | storage/innobase/row/row0upd.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/storage/innobase/row/row0upd.c b/storage/innobase/row/row0upd.c index 0790cfe02e2..d3ed71089a8 100644 --- a/storage/innobase/row/row0upd.c +++ b/storage/innobase/row/row0upd.c @@ -6,6 +6,9 @@ Update of a row Created 12/27/1996 Heikki Tuuri *******************************************************/ +#include "my_global.h" /* HAVE_* */ +#include "m_string.h" /* for my_sys.h */ +#include "my_sys.h" /* DEBUG_SYNC_C */ #include "row0upd.h" #ifdef UNIV_NONINL @@ -1591,15 +1594,20 @@ row_upd_clust_rec( rec_t* rec; *offsets_ = (sizeof offsets_) / sizeof *offsets_; - mtr_start(mtr); + DBUG_EXECUTE_IF( + "row_upd_extern_checkpoint", + log_make_checkpoint_at(ut_dulint_max, TRUE);); + mtr_start(mtr); ut_a(btr_pcur_restore_position(BTR_MODIFY_TREE, pcur, mtr)); rec = btr_cur_get_rec(btr_cur); + DEBUG_SYNC_C("before_row_upd_extern"); err = btr_store_big_rec_extern_fields( index, rec, rec_get_offsets(rec, index, offsets_, ULINT_UNDEFINED, &heap), big_rec, mtr); + DEBUG_SYNC_C("after_row_upd_extern"); if (UNIV_LIKELY_NULL(heap)) { mem_heap_free(heap); } |