Merge 10.4 into 10.5

14 files changed, 23 insertions, 92 deletions

diff --git a/storage/innobase/btr/btr0defragment.cc b/storage/innobase/btr/btr0defragment.cc
index ab0989299de..80d5031d80b 100644
--- a/storage/innobase/btr/btr0defragment.cc
+++ b/storage/innobase/btr/btr0defragment.cc
@@ -198,8 +198,6 @@ synchronized defragmentation. */
 os_event_t
 btr_defragment_add_index(
 	dict_index_t*	index,	/*!< index to be added  */
-	bool		async,	/*!< whether this is an async
-				defragmentation */
 	dberr_t*	err)	/*!< out: error code */
 {
 	mtr_t mtr;
@@ -228,10 +226,7 @@ btr_defragment_add_index(
 		return NULL;
 	}
 	btr_pcur_t* pcur = btr_pcur_create_for_mysql();
-	os_event_t event = NULL;
-	if (!async) {
-		event = os_event_create(0);
-	}
+	os_event_t event = os_event_create(0);
 	btr_pcur_open_at_index_side(true, index, BTR_SEARCH_LEAF, pcur,
 				    true, 0, &mtr);
 	btr_pcur_move_to_next(pcur, &mtr);
diff --git a/storage/innobase/fts/fts0fts.cc b/storage/innobase/fts/fts0fts.cc
index b95b77d5d0d..552832200e7 100644
--- a/storage/innobase/fts/fts0fts.cc
+++ b/storage/innobase/fts/fts0fts.cc
@@ -286,7 +286,6 @@ fts_cache_destroy(fts_cache_t* cache)
 {
 	rw_lock_free(&cache->lock);
 	rw_lock_free(&cache->init_lock);
-	mutex_free(&cache->optimize_lock);
 	mutex_free(&cache->deleted_lock);
 	mutex_free(&cache->doc_id_lock);
 	os_event_destroy(cache->sync->event);
@@ -622,8 +621,6 @@ fts_cache_create(
 
 	mutex_create(LATCH_ID_FTS_DELETE, &cache->deleted_lock);
 
-	mutex_create(LATCH_ID_FTS_OPTIMIZE, &cache->optimize_lock);
-
 	mutex_create(LATCH_ID_FTS_DOC_ID, &cache->doc_id_lock);
 
 	/* This is the heap used to create the cache itself. */
diff --git a/storage/innobase/fts/fts0opt.cc b/storage/innobase/fts/fts0opt.cc
index 419fc6e0011..01c35ba280c 100644
--- a/storage/innobase/fts/fts0opt.cc
+++ b/storage/innobase/fts/fts0opt.cc
@@ -2622,9 +2622,13 @@ fts_optimize_remove_table(
 
 	os_event_destroy(event);
 
-	ut_d(mutex_enter(&fts_optimize_wq->mutex));
-	ut_ad(!table->fts->in_queue);
-	ut_d(mutex_exit(&fts_optimize_wq->mutex));
+#ifdef UNIV_DEBUG
+	if (!fts_opt_start_shutdown) {
+		mutex_enter(&fts_optimize_wq->mutex);
+		ut_ad(!table->fts->in_queue);
+		mutex_exit(&fts_optimize_wq->mutex);
+	}
+#endif /* UNIV_DEBUG */
 }
 
 /** Send sync fts cache for the table.
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index 3eb39a22a92..07fcec61b7e 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -509,7 +509,6 @@ performance schema instrumented if "UNIV_PFS_MUTEX"
 is defined */
 static PSI_mutex_info all_innodb_mutexes[] = {
 	PSI_KEY(buf_pool_mutex),
-	PSI_KEY(cache_last_read_mutex),
 	PSI_KEY(dict_foreign_err_mutex),
 	PSI_KEY(dict_sys_mutex),
 	PSI_KEY(recalc_pool_mutex),
@@ -517,7 +516,6 @@ static PSI_mutex_info all_innodb_mutexes[] = {
 	PSI_KEY(flush_list_mutex),
 	PSI_KEY(fts_bg_threads_mutex),
 	PSI_KEY(fts_delete_mutex),
-	PSI_KEY(fts_optimize_mutex),
 	PSI_KEY(fts_doc_id_mutex),
 	PSI_KEY(log_flush_order_mutex),
 	PSI_KEY(ibuf_bitmap_mutex),
@@ -14520,25 +14518,14 @@ ha_innobase::analyze(THD*, HA_CHECK_OPT*)
 /*****************************************************************//**
 Defragment table.
 @return	error number */
-UNIV_INTERN
-int
-ha_innobase::defragment_table(
-/*==========================*/
-	const char*	name,		/*!< in: table name */
-	const char*	index_name,	/*!< in: index name */
-	bool		async)		/*!< in: whether to wait until finish */
+inline int ha_innobase::defragment_table(const char *name)
 {
 	char		norm_name[FN_REFLEN];
 	dict_table_t*	table = NULL;
 	dict_index_t*	index = NULL;
-	ibool		one_index = (index_name != 0);
 	int		ret = 0;
 	dberr_t		err = DB_SUCCESS;
 
-	if (!srv_defragment) {
-		return ER_FEATURE_DISABLED;
-	}
-
 	normalize_table_name(norm_name, name);
 
 	table = dict_table_open_on_name(norm_name, FALSE,
@@ -14566,10 +14553,6 @@ ha_innobase::defragment_table(
 			continue;
 		}
 
-		if (one_index && strcasecmp(index_name, index->name) != 0) {
-			continue;
-		}
-
 		if (btr_defragment_find_index(index)) {
 			// We borrow this error code. When the same index is
 			// already in the defragmentation queue, issue another
@@ -14585,7 +14568,7 @@ ha_innobase::defragment_table(
 			break;
 		}
 
-		os_event_t event = btr_defragment_add_index(index, async, &err);
+		os_event_t event = btr_defragment_add_index(index, &err);
 
 		if (err != DB_SUCCESS) {
 			push_warning_printf(
@@ -14601,7 +14584,7 @@ ha_innobase::defragment_table(
 			break;
 		}
 
-		if (!async && event) {
+		if (event) {
 			while(os_event_wait_time(event, 1000000)) {
 				if (thd_killed(current_thd)) {
 					btr_defragment_remove_index(index);
@@ -14615,19 +14598,9 @@ ha_innobase::defragment_table(
 		if (ret) {
 			break;
 		}
-
-		if (one_index) {
-			one_index = FALSE;
-			break;
-		}
 	}
 
 	dict_table_close(table, FALSE, FALSE);
-
-	if (ret == 0 && one_index) {
-		ret = ER_NO_SUCH_INDEX;
-	}
-
 	return ret;
 }
 
@@ -14653,8 +14626,7 @@ ha_innobase::optimize(
 	bool try_alter = true;
 
 	if (!m_prebuilt->table->is_temporary() && srv_defragment) {
-		int err= defragment_table(
-			m_prebuilt->table->name.m_name, NULL, false);
+		int err = defragment_table(m_prebuilt->table->name.m_name);
 
 		if (err == 0) {
 			try_alter = false;
diff --git a/storage/innobase/handler/ha_innodb.h b/storage/innobase/handler/ha_innodb.h
index fc4b2cf84ac..2e06272e43a 100644
--- a/storage/innobase/handler/ha_innodb.h
+++ b/storage/innobase/handler/ha_innodb.h
@@ -212,8 +212,7 @@ public:
 	int delete_table(const char *name) override;
 
 	int rename_table(const char* from, const char* to) override;
-	int defragment_table(const char* name, const char* index_name,
-						bool async);
+	inline int defragment_table(const char* name);
 	int check(THD* thd, HA_CHECK_OPT* check_opt) override;
 	char* update_table_comment(const char* comment) override;
 
diff --git a/storage/innobase/handler/handler0alter.cc b/storage/innobase/handler/handler0alter.cc
index f80ee865746..d1adb2b6645 100644
--- a/storage/innobase/handler/handler0alter.cc
+++ b/storage/innobase/handler/handler0alter.cc
@@ -7167,6 +7167,12 @@ err_exit:
 	}
 	trx_commit_for_mysql(ctx->prebuilt->trx);
 
+	for (uint i = 0; i < ctx->num_to_add_fk; i++) {
+		if (ctx->add_fk[i]) {
+			dict_foreign_free(ctx->add_fk[i]);
+		}
+	}
+
 	delete ctx;
 	ha_alter_info->handler_ctx = NULL;
 
diff --git a/storage/innobase/include/btr0defragment.h b/storage/innobase/include/btr0defragment.h
index 95a52258d07..a9212db0e04 100644
--- a/storage/innobase/include/btr0defragment.h
+++ b/storage/innobase/include/btr0defragment.h
@@ -49,8 +49,6 @@ is a synchronized defragmentation. */
 os_event_t
 btr_defragment_add_index(
 	dict_index_t*	index,	/*!< index to be added  */
-	bool		async,	/*!< whether this is an async
-				defragmentation */
 	dberr_t*	err);	/*!< out: error code */
 /******************************************************************//**
 When table is dropped, this function is called to mark a table as removed in
diff --git a/storage/innobase/include/fts0types.h b/storage/innobase/include/fts0types.h
index 44c3ab77695..f5760a16c0e 100644
--- a/storage/innobase/include/fts0types.h
+++ b/storage/innobase/include/fts0types.h
@@ -131,8 +131,6 @@ struct fts_cache_t {
 					intialization, it has different
 					SYNC level as above cache lock */
 
-	ib_mutex_t	optimize_lock;	/*!< Lock for OPTIMIZE */
-
 	ib_mutex_t	deleted_lock;	/*!< Lock covering deleted_doc_ids */
 
 	ib_mutex_t	doc_id_lock;	/*!< Lock covering Doc ID */
diff --git a/storage/innobase/include/sync0rw.h b/storage/innobase/include/sync0rw.h
index e7bf694a4cc..fce598f0930 100644
--- a/storage/innobase/include/sync0rw.h
+++ b/storage/innobase/include/sync0rw.h
@@ -578,12 +578,6 @@ struct rw_lock_t :
 	/** number of granted SX locks. */
 	volatile ulint	sx_recursive;
 
-	/** This is TRUE if the writer field is RW_LOCK_X_WAIT; this field
-	is located far from the memory update hotspot fields which are at
-	the start of this struct, thus we can peek this field without
-	causing much memory bus traffic */
-	bool		writer_is_wait_ex;
-
 	/** The value is typically set to thread id of a writer thread making
 	normal rw_locks recursive. In case of asynchronous IO, when a non-zero
 	value of 'pass' is passed then we keep the lock non-recursive.
diff --git a/storage/innobase/include/sync0sync.h b/storage/innobase/include/sync0sync.h
index c7cda1beb88..d7cb1853df0 100644
--- a/storage/innobase/include/sync0sync.h
+++ b/storage/innobase/include/sync0sync.h
@@ -51,14 +51,12 @@ instrumentation due to their large number of instances. */
 #ifdef UNIV_PFS_MUTEX
 /* Key defines to register InnoDB mutexes with performance schema */
 extern mysql_pfs_key_t	buf_pool_mutex_key;
-extern mysql_pfs_key_t	cache_last_read_mutex_key;
 extern mysql_pfs_key_t	dict_foreign_err_mutex_key;
 extern mysql_pfs_key_t	dict_sys_mutex_key;
 extern mysql_pfs_key_t	fil_system_mutex_key;
 extern mysql_pfs_key_t	flush_list_mutex_key;
 extern mysql_pfs_key_t	fts_bg_threads_mutex_key;
 extern mysql_pfs_key_t	fts_delete_mutex_key;
-extern mysql_pfs_key_t	fts_optimize_mutex_key;
 extern mysql_pfs_key_t	fts_doc_id_mutex_key;
 extern mysql_pfs_key_t	fts_pll_tokenize_mutex_key;
 extern mysql_pfs_key_t	ibuf_bitmap_mutex_key;
diff --git a/storage/innobase/include/sync0types.h b/storage/innobase/include/sync0types.h
index 8abce822eac..69730f1efd0 100644
--- a/storage/innobase/include/sync0types.h
+++ b/storage/innobase/include/sync0types.h
@@ -256,8 +256,6 @@ enum latch_level_t {
 
 	SYNC_DICT_OPERATION,
 
-	SYNC_TRX_I_S_LAST_READ,
-
 	SYNC_TRX_I_S_RWLOCK,
 
 	SYNC_RECV_WRITER,
@@ -280,7 +278,6 @@ up its meta-data. See sync0debug.c. */
 enum latch_id_t {
 	LATCH_ID_NONE = 0,
 	LATCH_ID_BUF_POOL,
-	LATCH_ID_CACHE_LAST_READ,
 	LATCH_ID_DICT_FOREIGN_ERR,
 	LATCH_ID_DICT_SYS,
 	LATCH_ID_FILE_FORMAT_MAX,
@@ -288,7 +285,6 @@ enum latch_id_t {
 	LATCH_ID_FLUSH_LIST,
 	LATCH_ID_FTS_BG_THREADS,
 	LATCH_ID_FTS_DELETE,
-	LATCH_ID_FTS_OPTIMIZE,
 	LATCH_ID_FTS_DOC_ID,
 	LATCH_ID_FTS_PLL_TOKENIZE,
 	LATCH_ID_IBUF_BITMAP,
diff --git a/storage/innobase/sync/sync0debug.cc b/storage/innobase/sync/sync0debug.cc
index 0b8bbf16d61..cfcd02f47e3 100644
--- a/storage/innobase/sync/sync0debug.cc
+++ b/storage/innobase/sync/sync0debug.cc
@@ -506,7 +506,6 @@ LatchDebug::LatchDebug()
 	LEVEL_MAP_INSERT(SYNC_DICT);
 	LEVEL_MAP_INSERT(SYNC_FTS_CACHE);
 	LEVEL_MAP_INSERT(SYNC_DICT_OPERATION);
-	LEVEL_MAP_INSERT(SYNC_TRX_I_S_LAST_READ);
 	LEVEL_MAP_INSERT(SYNC_TRX_I_S_RWLOCK);
 	LEVEL_MAP_INSERT(SYNC_RECV_WRITER);
 	LEVEL_MAP_INSERT(SYNC_LEVEL_VARYING);
@@ -764,7 +763,6 @@ LatchDebug::check_order(
 	case SYNC_DICT_OPERATION:
 	case SYNC_DICT_HEADER:
 	case SYNC_TRX_I_S_RWLOCK:
-	case SYNC_TRX_I_S_LAST_READ:
 	case SYNC_IBUF_MUTEX:
 	case SYNC_INDEX_ONLINE_LOG:
 	case SYNC_STATS_AUTO_RECALC:
@@ -1253,9 +1251,6 @@ sync_latch_meta_init()
 
 	LATCH_ADD_MUTEX(BUF_POOL, SYNC_BUF_POOL, buf_pool_mutex_key);
 
-	LATCH_ADD_MUTEX(CACHE_LAST_READ, SYNC_TRX_I_S_LAST_READ,
-			cache_last_read_mutex_key);
-
 	LATCH_ADD_MUTEX(DICT_FOREIGN_ERR, SYNC_NO_ORDER_CHECK,
 			dict_foreign_err_mutex_key);
 
@@ -1270,9 +1265,6 @@ sync_latch_meta_init()
 
 	LATCH_ADD_MUTEX(FTS_DELETE, SYNC_FTS_OPTIMIZE, fts_delete_mutex_key);
 
-	LATCH_ADD_MUTEX(FTS_OPTIMIZE, SYNC_FTS_OPTIMIZE,
-			fts_optimize_mutex_key);
-
 	LATCH_ADD_MUTEX(FTS_DOC_ID, SYNC_FTS_OPTIMIZE, fts_doc_id_mutex_key);
 
 	LATCH_ADD_MUTEX(FTS_PLL_TOKENIZE, SYNC_FTS_TOKENIZE,
diff --git a/storage/innobase/sync/sync0sync.cc b/storage/innobase/sync/sync0sync.cc
index cbec0cc4f6f..d0e14b38796 100644
--- a/storage/innobase/sync/sync0sync.cc
+++ b/storage/innobase/sync/sync0sync.cc
@@ -37,14 +37,12 @@ Created 9/5/1995 Heikki Tuuri
 
 #ifdef UNIV_PFS_MUTEX
 mysql_pfs_key_t	buf_pool_mutex_key;
-mysql_pfs_key_t	cache_last_read_mutex_key;
 mysql_pfs_key_t	dict_foreign_err_mutex_key;
 mysql_pfs_key_t	dict_sys_mutex_key;
 mysql_pfs_key_t	fil_system_mutex_key;
 mysql_pfs_key_t	flush_list_mutex_key;
 mysql_pfs_key_t	fts_bg_threads_mutex_key;
 mysql_pfs_key_t	fts_delete_mutex_key;
-mysql_pfs_key_t	fts_optimize_mutex_key;
 mysql_pfs_key_t	fts_doc_id_mutex_key;
 mysql_pfs_key_t	fts_pll_tokenize_mutex_key;
 mysql_pfs_key_t	ibuf_bitmap_mutex_key;
diff --git a/storage/innobase/trx/trx0i_s.cc b/storage/innobase/trx/trx0i_s.cc
index 82477399552..d3d2b742d84 100644
--- a/storage/innobase/trx/trx0i_s.cc
+++ b/storage/innobase/trx/trx0i_s.cc
@@ -141,12 +141,9 @@ struct i_s_table_cache_t {
 struct trx_i_s_cache_t {
 	rw_lock_t	rw_lock;	/*!< read-write lock protecting
 					the rest of this structure */
-	ulonglong	last_read;	/*!< last time the cache was read;
+	Atomic_relaxed<ulonglong> last_read;
+					/*!< last time the cache was read;
 					measured in nanoseconds */
-	ib_mutex_t		last_read_mutex;/*!< mutex protecting the
-					last_read member - it is updated
-					inside a shared lock of the
-					rw_lock member */
 	i_s_table_cache_t innodb_trx;	/*!< innodb_trx table */
 	i_s_table_cache_t innodb_locks;	/*!< innodb_locks table */
 	i_s_table_cache_t innodb_lock_waits;/*!< innodb_lock_waits table */
@@ -1136,8 +1133,7 @@ Checks if the cache can safely be updated.
 @return whether the cache can be updated */
 static bool can_cache_be_updated(trx_i_s_cache_t* cache)
 {
-	/* Here we read cache->last_read without acquiring its mutex
-	because last_read is only updated when a shared rw lock on the
+	/* cache->last_read is only updated when a shared rw lock on the
 	whole cache is being held (see trx_i_s_cache_end_read()) and
 	we are currently holding an exclusive rw lock on the cache.
 	So it is not possible for last_read to be updated while we are
@@ -1269,8 +1265,6 @@ trx_i_s_cache_init(
 	release lock mutex
 	release trx_i_s_cache_t::rw_lock
 	acquire trx_i_s_cache_t::rw_lock, S
-	acquire trx_i_s_cache_t::last_read_mutex
-	release trx_i_s_cache_t::last_read_mutex
 	release trx_i_s_cache_t::rw_lock */
 
 	rw_lock_create(trx_i_s_cache_lock_key, &cache->rw_lock,
@@ -1278,8 +1272,6 @@ trx_i_s_cache_init(
 
 	cache->last_read = 0;
 
-	mutex_create(LATCH_ID_CACHE_LAST_READ, &cache->last_read_mutex);
-
 	table_cache_init(&cache->innodb_trx, sizeof(i_s_trx_row_t));
 	table_cache_init(&cache->innodb_locks, sizeof(i_s_locks_row_t));
 	table_cache_init(&cache->innodb_lock_waits,
@@ -1303,7 +1295,6 @@ trx_i_s_cache_free(
 	trx_i_s_cache_t*	cache)	/*!< in, own: cache to free */
 {
 	rw_lock_free(&cache->rw_lock);
-	mutex_free(&cache->last_read_mutex);
 
 	cache->locks_hash.free();
 	ha_storage_free(cache->storage);
@@ -1329,14 +1320,7 @@ trx_i_s_cache_end_read(
 /*===================*/
 	trx_i_s_cache_t*	cache)	/*!< in: cache */
 {
-	ut_ad(rw_lock_own(&cache->rw_lock, RW_LOCK_S));
-
-	/* update cache last read time */
-	const ulonglong now = my_interval_timer();
-	mutex_enter(&cache->last_read_mutex);
-	cache->last_read = now;
-	mutex_exit(&cache->last_read_mutex);
-
+	cache->last_read = my_interval_timer();
 	rw_lock_s_unlock(&cache->rw_lock);
 }