5.6.33

storage/innobase/fts/fts0fts.cc

@@ -108,6 +108,7 @@ UNIV_INTERN mysql_pfs_key_t	fts_pll_tokenize_mutex_key;
 /** variable to record innodb_fts_internal_tbl_name for information
 schema table INNODB_FTS_INSERTED etc. */
 UNIV_INTERN char* fts_internal_tbl_name		= NULL;
+UNIV_INTERN char* fts_internal_tbl_name2	= NULL;
 
 /** InnoDB default stopword list:
 There are different versions of stopwords, the stop words listed
@@ -6569,6 +6570,36 @@ fts_check_corrupt_index(
 	return(0);
 }
 
+/* Get parent table name if it's a fts aux table
+@param[in]	aux_table_name	aux table name
+@param[in]	aux_table_len	aux table length
+@return parent table name, or NULL */
+char*
+fts_get_parent_table_name(
+	const char*	aux_table_name,
+	ulint		aux_table_len)
+{
+	fts_aux_table_t	aux_table;
+	char*		parent_table_name = NULL;
+
+	if (fts_is_aux_table_name(&aux_table, aux_table_name, aux_table_len)) {
+		dict_table_t*	parent_table;
+
+		parent_table = dict_table_open_on_id(
+			aux_table.parent_id, TRUE, DICT_TABLE_OP_NORMAL);
+
+		if (parent_table != NULL) {
+			parent_table_name = mem_strdupl(
+				parent_table->name,
+				strlen(parent_table->name));
+
+			dict_table_close(parent_table, TRUE, FALSE);
+		}
+	}
+
+	return(parent_table_name);
+}
+
 /** Check the validity of the parent table.
 @param[in]	aux_table	auxiliary table
 @return true if it is a valid table or false if it is not */

storage/innobase/handler/ha_innodb.cc

@@ -14505,7 +14505,12 @@ innodb_internal_table_update(
 		my_free(old);
 	}
 
-	fts_internal_tbl_name = *(char**) var_ptr;
+	fts_internal_tbl_name2 = *(char**) var_ptr;
+	if (fts_internal_tbl_name2 == NULL) {
+		fts_internal_tbl_name = const_cast<char*>("default");
+	} else {
+		fts_internal_tbl_name = fts_internal_tbl_name2;
+	}
 }
 
 /****************************************************************//**
@@ -16253,7 +16258,7 @@ static MYSQL_SYSVAR_BOOL(disable_sort_file_cache, srv_disable_sort_file_cache,
   "Whether to disable OS system file cache for sort I/O",
   NULL, NULL, FALSE);
 
-static MYSQL_SYSVAR_STR(ft_aux_table, fts_internal_tbl_name,
+static MYSQL_SYSVAR_STR(ft_aux_table, fts_internal_tbl_name2,
   PLUGIN_VAR_NOCMDARG,
   "FTS internal auxiliary table to be checked",
   innodb_internal_table_validate,

storage/innobase/handler/handler0alter.cc

@@ -201,7 +201,10 @@ innobase_need_rebuild(
 /*==================*/
 	const Alter_inplace_info*	ha_alter_info)
 {
-	if (ha_alter_info->handler_flags
+	Alter_inplace_info::HA_ALTER_FLAGS alter_inplace_flags =
+		ha_alter_info->handler_flags & ~(INNOBASE_INPLACE_IGNORE);
+
+	if (alter_inplace_flags
 	    == Alter_inplace_info::CHANGE_CREATE_OPTION
 	    && !(ha_alter_info->create_info->used_fields
 		 & (HA_CREATE_USED_ROW_FORMAT
@@ -3760,7 +3763,7 @@ err_exit:
 	}
 
 	if (!(ha_alter_info->handler_flags & INNOBASE_ALTER_DATA)
-	    || (ha_alter_info->handler_flags
+	    || ((ha_alter_info->handler_flags & ~INNOBASE_INPLACE_IGNORE)
 		== Alter_inplace_info::CHANGE_CREATE_OPTION
 		&& !innobase_need_rebuild(ha_alter_info))) {
 
@@ -3926,7 +3929,7 @@ ok_exit:
 		DBUG_RETURN(false);
 	}
 
-	if (ha_alter_info->handler_flags
+	if ((ha_alter_info->handler_flags & ~INNOBASE_INPLACE_IGNORE)
 	    == Alter_inplace_info::CHANGE_CREATE_OPTION
 	    && !innobase_need_rebuild(ha_alter_info)) {
 		goto ok_exit;

storage/innobase/handler/i_s.cc

@@ -4038,6 +4038,8 @@ i_s_fts_config_fill(
 		DBUG_RETURN(0);
 	}
 
+	DEBUG_SYNC_C("i_s_fts_config_fille_check");
+
 	fields = table->field;
 
 	/* Prevent DDL to drop fts aux tables. */

storage/innobase/include/fts0fts.h

@@ -375,6 +375,7 @@ extern bool		fts_need_sync;
 /** Variable specifying the table that has Fulltext index to display its
 content through information schema table */
 extern char*		fts_internal_tbl_name;
+extern char*		fts_internal_tbl_name2;
 
 #define	fts_que_graph_free(graph)			\
 do {							\
@@ -823,6 +824,15 @@ void
 fts_drop_orphaned_tables(void);
 /*==========================*/
 
+/* Get parent table name if it's a fts aux table
+@param[in]	aux_table_name	aux table name
+@param[in]	aux_table_len	aux table length
+@return parent table name, or NULL */
+char*
+fts_get_parent_table_name(
+	const char*	aux_table_name,
+	ulint		aux_table_len);
+
 /******************************************************************//**
 Since we do a horizontal split on the index table, we need to drop
 all the split tables.

storage/innobase/row/row0log.cc

@@ -613,7 +613,7 @@ row_log_table_delete(
 		&old_pk_extra_size);
 	ut_ad(old_pk_extra_size < 0x100);
 
-	mrec_size = 4 + old_pk_size;
+	mrec_size = 6 + old_pk_size;
 
 	/* Log enough prefix of the BLOB unless both the
 	old and new table are in COMPACT or REDUNDANT format,
@@ -643,8 +643,8 @@ row_log_table_delete(
 		*b++ = static_cast<byte>(old_pk_extra_size);
 
 		/* Log the size of external prefix we saved */
-		mach_write_to_2(b, ext_size);
-		b += 2;
+		mach_write_to_4(b, ext_size);
+		b += 4;
 
 		rec_convert_dtuple_to_temp(
 			b + old_pk_extra_size, new_index,
@@ -2268,14 +2268,14 @@ row_log_table_apply_op(
 		break;
 
 	case ROW_T_DELETE:
-		/* 1 (extra_size) + 2 (ext_size) + at least 1 (payload) */
-		if (mrec + 4 >= mrec_end) {
+		/* 1 (extra_size) + 4 (ext_size) + at least 1 (payload) */
+		if (mrec + 6 >= mrec_end) {
 			return(NULL);
 		}
 
 		extra_size = *mrec++;
-		ext_size = mach_read_from_2(mrec);
-		mrec += 2;
+		ext_size = mach_read_from_4(mrec);
+		mrec += 4;
 		ut_ad(mrec < mrec_end);
 
 		/* We assume extra_size < 0x100 for the PRIMARY KEY prefix.

storage/innobase/row/row0mysql.cc

@@ -2676,6 +2676,10 @@ loop:
 		return(n_tables + n_tables_dropped);
 	}
 
+	DBUG_EXECUTE_IF("row_drop_tables_in_background_sleep",
+		os_thread_sleep(5000000);
+	);
+
 	table = dict_table_open_on_name(drop->table_name, FALSE, FALSE,
 					DICT_ERR_IGNORE_NONE);
 
@@ -2686,6 +2690,16 @@ loop:
 		goto already_dropped;
 	}
 
+	if (!table->to_be_dropped) {
+		/* There is a scenario: the old table is dropped
+		just after it's added into drop list, and new
+		table with the same name is created, then we try
+		to drop the new table in background. */
+		dict_table_close(table, FALSE, FALSE);
+
+		goto already_dropped;
+	}
+
 	ut_a(!table->can_be_evicted);
 
 	dict_table_close(table, FALSE, FALSE);
@@ -3945,6 +3959,13 @@ row_drop_table_for_mysql(
 		}
 	}
 
+
+	DBUG_EXECUTE_IF("row_drop_table_add_to_background",
+		row_add_table_to_background_drop_list(table->name);
+		err = DB_SUCCESS;
+		goto funct_exit;
+	);
+
 	/* TODO: could we replace the counter n_foreign_key_checks_running
 	with lock checks on the table? Acquire here an exclusive lock on the
 	table, and rewrite lock0lock.cc and the lock wait in srv0srv.cc so that
@@ -4561,6 +4582,19 @@ loop:
 	row_mysql_lock_data_dictionary(trx);
 
 	while ((table_name = dict_get_first_table_name_in_db(name))) {
+		/* Drop parent table if it is a fts aux table, to
+		avoid accessing dropped fts aux tables in information
+		scheam when parent table still exists.
+		Note: Drop parent table will drop fts aux tables. */
+		char*	parent_table_name;
+		parent_table_name = fts_get_parent_table_name(
+				table_name, strlen(table_name));
+
+		if (parent_table_name != NULL) {
+			mem_free(table_name);
+			table_name = parent_table_name;
+		}
+
 		ut_a(memcmp(table_name, name, namelen) == 0);
 
 		table = dict_table_open_on_name(