Merge 10.4 into 10.5

mysql-test/suite/galera/r/galera_UK_conflict.result

+connection node_2;
+connection node_1;
 CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 int, f3 int,  unique key keyj (f2));
 INSERT INTO t1 VALUES (1, 1, 0);
 INSERT INTO t1 VALUES (3, 3, 0);
@@ -23,14 +25,14 @@ connection node_1a;
 SET SESSION wsrep_on = 0;
 SET SESSION wsrep_on = 1;
 SET GLOBAL wsrep_provider_options = 'dbug=';
-SET GLOBAL wsrep_provider_options = 'dbug=d,commit_monitor_enter_sync';
+SET GLOBAL wsrep_provider_options = 'dbug=d,commit_monitor_master_enter_sync';
 connection node_1;
 COMMIT;
 connection node_1a;
 SET SESSION wsrep_on = 0;
 SET SESSION wsrep_on = 1;
 SET GLOBAL wsrep_provider_options = 'dbug=';
-SET GLOBAL wsrep_provider_options = 'signal=commit_monitor_enter_sync';
+SET GLOBAL wsrep_provider_options = 'signal=commit_monitor_master_enter_sync';
 SET GLOBAL wsrep_provider_options = 'dbug=';
 SET GLOBAL DEBUG_DBUG = "";
 SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
@@ -39,13 +41,13 @@ SET debug_sync='RESET';
 SET GLOBAL DEBUG_DBUG = "d,sync.wsrep_apply_cb";
 SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
 SET SESSION DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_cb_reached";
-SET GLOBAL wsrep_provider_options = 'dbug=d,commit_monitor_enter_sync';
+SET GLOBAL wsrep_provider_options = 'dbug=d,commit_monitor_slave_enter_sync';
 SET GLOBAL wsrep_provider_options = 'dbug=';
 SET GLOBAL DEBUG_DBUG = "";
 SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_cb";
 SET GLOBAL debug_dbug = NULL;
 SET debug_sync='RESET';
-SET GLOBAL wsrep_provider_options = 'signal=commit_monitor_enter_sync';
+SET GLOBAL wsrep_provider_options = 'signal=commit_monitor_slave_enter_sync';
 SET GLOBAL wsrep_provider_options = 'dbug=';
 connection node_1;
 SELECT * FROM t1;
@@ -55,8 +57,6 @@ f1	f2	f3
 4	4	2
 5	5	2
 10	10	0
-wsrep_local_replays
-1
 SET GLOBAL wsrep_slave_threads = DEFAULT;
 connection node_2;
 SELECT * FROM t1;
@@ -68,22 +68,64 @@ f1	f2	f3
 10	10	0
 INSERT INTO t1 VALUES (7,7,7);
 INSERT INTO t1 VALUES (8,8,8);
-SELECT * FROM t1;
-f1	f2	f3
-1	1	0
-3	3	1
-4	4	2
-5	5	2
-7	7	7
-8	8	8
-10	10	0
+DROP TABLE t1;
+test scenario 2
 connection node_1;
+CREATE TABLE t1 (f1 INTEGER PRIMARY KEY, f2 int, f3 int,  unique key keyj (f2));
+INSERT INTO t1 VALUES (1, 1, 0);
+INSERT INTO t1 VALUES (3, 3, 0);
+INSERT INTO t1 VALUES (10, 10, 0);
+SET GLOBAL wsrep_slave_threads = 3;
+SET GLOBAL wsrep_provider_options = 'dbug=d,apply_monitor_slave_enter_sync';
+connection node_1;
+SET SESSION wsrep_sync_wait=0;
+START TRANSACTION;
+DELETE FROM t1 WHERE f2 = 3;
+INSERT INTO t1 VALUES (3, 3, 1);
+connection node_1a;
+SET SESSION wsrep_sync_wait=0;
+connection node_2;
+INSERT INTO t1 VALUES (5, 5, 2);
+connection node_1a;
+SET SESSION wsrep_on = 0;
+SET SESSION wsrep_on = 1;
+SET GLOBAL wsrep_provider_options = 'dbug=';
+SET GLOBAL wsrep_provider_options = 'dbug=d,commit_monitor_master_enter_sync';
+connection node_1;
+COMMIT;
+connection node_1a;
+SET SESSION wsrep_on = 0;
+SET SESSION wsrep_on = 1;
+SET GLOBAL wsrep_provider_options = 'dbug=';
+SET GLOBAL DEBUG_DBUG = "d,sync.wsrep_replay_cb";
+SET GLOBAL wsrep_provider_options = 'signal=commit_monitor_master_enter_sync';
+SET GLOBAL wsrep_provider_options = 'dbug=';
+SET GLOBAL wsrep_provider_options = 'signal=apply_monitor_slave_enter_sync';
+SET GLOBAL wsrep_provider_options = 'dbug=';
+SET SESSION DEBUG_SYNC = "now WAIT_FOR sync.wsrep_replay_cb_reached";
+SET GLOBAL wsrep_provider_options = 'dbug=d,commit_monitor_slave_enter_sync';
+connection node_2;
+INSERT INTO t1 VALUES (4, 4, 2);
+connection node_1a;
+SET SESSION wsrep_on = 0;
+SET SESSION wsrep_on = 1;
+SET GLOBAL wsrep_provider_options = 'dbug=';
+SET GLOBAL wsrep_provider_options = 'signal=commit_monitor_slave_enter_sync';
+SET GLOBAL wsrep_provider_options = 'dbug=';
+SET GLOBAL DEBUG_DBUG = "";
+SET DEBUG_SYNC = "now SIGNAL signal.wsrep_replay_cb";
+SET GLOBAL debug_dbug = NULL;
+SET debug_sync='RESET';
+connection node_1;
+SET GLOBAL wsrep_slave_threads = DEFAULT;
+connection node_2;
 SELECT * FROM t1;
 f1	f2	f3
 1	1	0
 3	3	1
 4	4	2
 5	5	2
-7	7	7
 10	10	0
+INSERT INTO t1 VALUES (7,7,7);
+INSERT INTO t1 VALUES (8,8,8);
 DROP TABLE t1;

mysql-test/suite/innodb/r/instant_alter_debug.result

@@ -193,6 +193,12 @@ SET DEBUG_SYNC='RESET';
 CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
 INSERT INTO t1 SET a=0;
 ALTER TABLE t1 ADD COLUMN b INT NOT NULL DEFAULT 2, ADD COLUMN c INT;
+BEGIN NOT ATOMIC
+DECLARE c TEXT DEFAULT(SELECT CONCAT('ALTER TABLE t1 ADD (c',
+GROUP_CONCAT(seq SEPARATOR ' INT, c'), ' INT), ALGORITHM=INSTANT;') FROM seq_1_to_130);
+EXECUTE IMMEDIATE c;
+END;
+$$
 connection stop_purge;
 START TRANSACTION WITH CONSISTENT SNAPSHOT;
 connection default;
@@ -211,7 +217,7 @@ SET DEBUG_SYNC = 'now SIGNAL logged';
 connection ddl;
 connection default;
 SET DEBUG_SYNC = RESET;
-SELECT * FROM t1;
+SELECT a, b, c FROM t1;
 a	b	c
 1	2	NULL
 2	3	4
@@ -234,7 +240,7 @@ connection ddl;
 UPDATE t1 SET b = b + 1 WHERE a = 2;
 connection default;
 SET DEBUG_SYNC = RESET;
-SELECT * FROM t1;
+SELECT a, b, c FROM t1;
 a	b	c
 1	2	NULL
 2	3	4
@@ -258,7 +264,7 @@ ERROR 22004: Invalid use of NULL value
 disconnect ddl;
 connection default;
 SET DEBUG_SYNC = RESET;
-SELECT * FROM t1;
+SELECT a, b, c, d FROM t1;
 a	b	c	d
 1	2	NULL	1
 2	3	4	1
@@ -440,4 +446,4 @@ SELECT variable_value-@old_instant instants
 FROM information_schema.global_status
 WHERE variable_name = 'innodb_instant_alter_column';
 instants
-32
+33

mysql-test/suite/innodb/t/instant_alter_debug.combinations

+[redundant]
+innodb_default_row_format=redundant
+[dynamic]
+innodb_default_row_format=dynamic

mysql-test/suite/innodb/t/instant_alter_debug.test

 --source include/have_innodb.inc
 --source include/have_debug.inc
 --source include/have_debug_sync.inc
+--source include/have_sequence.inc
 
 SET @save_frequency= @@GLOBAL.innodb_purge_rseg_truncate_frequency;
 SET GLOBAL innodb_purge_rseg_truncate_frequency=1;
@@ -216,6 +217,15 @@ CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
 INSERT INTO t1 SET a=0;
 ALTER TABLE t1 ADD COLUMN b INT NOT NULL DEFAULT 2, ADD COLUMN c INT;
 
+DELIMITER $$;
+BEGIN NOT ATOMIC
+  DECLARE c TEXT DEFAULT(SELECT CONCAT('ALTER TABLE t1 ADD (c',
+                                       GROUP_CONCAT(seq SEPARATOR ' INT, c'), ' INT), ALGORITHM=INSTANT;') FROM seq_1_to_130);
+  EXECUTE IMMEDIATE c;
+END;
+$$
+DELIMITER ;$$
+
 connection stop_purge;
 START TRANSACTION WITH CONSISTENT SNAPSHOT;
 
@@ -243,7 +253,7 @@ reap;
 
 connection default;
 SET DEBUG_SYNC = RESET;
-SELECT * FROM t1;
+SELECT a, b, c FROM t1;
 ALTER TABLE t1 DROP b, ALGORITHM=INSTANT;
 connection stop_purge;
 START TRANSACTION WITH CONSISTENT SNAPSHOT;
@@ -272,7 +282,7 @@ UPDATE t1 SET b = b + 1 WHERE a = 2;
 
 connection default;
 SET DEBUG_SYNC = RESET;
-SELECT * FROM t1;
+SELECT a, b, c FROM t1;
 
 --echo #
 --echo # MDEV-15872 Crash in online ALTER TABLE...ADD PRIMARY KEY
@@ -299,7 +309,7 @@ disconnect ddl;
 
 connection default;
 SET DEBUG_SYNC = RESET;
-SELECT * FROM t1;
+SELECT a, b, c, d FROM t1;
 DROP TABLE t1;
 
 --echo #

sql/sql_parse.cc

@@ -3714,6 +3714,11 @@ mysql_execute_command(THD *thd)
   Json_writer_object trace_command(thd);
   Json_writer_array trace_command_steps(thd, "steps");
 
+  /* store old value of binlog format */
+  enum_binlog_format orig_binlog_format,orig_current_stmt_binlog_format;
+
+  thd->get_binlog_format(&orig_binlog_format,
+                         &orig_current_stmt_binlog_format);
 #ifdef WITH_WSREP
   if (WSREP(thd))
   {
@@ -3765,12 +3770,6 @@ mysql_execute_command(THD *thd)
 
   DBUG_ASSERT(thd->transaction->stmt.modified_non_trans_table == FALSE);
 
-  /* store old value of binlog format */
-  enum_binlog_format orig_binlog_format,orig_current_stmt_binlog_format;
-
-  thd->get_binlog_format(&orig_binlog_format,
-                         &orig_current_stmt_binlog_format);
-
   /*
     Assign system variables with values specified by the clause
     SET STATEMENT var1=value1 [, var2=value2, ...] FOR <statement>
@@ -7658,9 +7657,14 @@ void THD::reset_for_next_command(bool do_clear_error)
 
   save_prep_leaf_list= false;
 
-  DBUG_PRINT("debug",
-             ("is_current_stmt_binlog_format_row(): %d",
-              is_current_stmt_binlog_format_row()));
+#ifdef WITH_WSREP
+#if !defined(DBUG_OFF)
+  if (mysql_bin_log.is_open())
+#endif
+#endif
+    DBUG_PRINT("debug",
+               ("is_current_stmt_binlog_format_row(): %d",
+                 is_current_stmt_binlog_format_row()));
 
   DBUG_VOID_RETURN;
 }

sql/wsrep_high_priority_service.cc

@@ -695,6 +695,17 @@ int Wsrep_replayer_service::apply_write_set(const wsrep::ws_meta& ws_meta,
   DBUG_ASSERT(thd->wsrep_trx().active());
   DBUG_ASSERT(thd->wsrep_trx().state() == wsrep::transaction::s_replaying);
 
+  /* Allow tests to block the replayer thread using the DBUG facilities */
+  DBUG_EXECUTE_IF("sync.wsrep_replay_cb",
+                 {
+                   const char act[]=
+                     "now "
+                     "SIGNAL sync.wsrep_replay_cb_reached "
+                     "WAIT_FOR signal.wsrep_replay_cb";
+                   DBUG_ASSERT(!debug_sync_set_action(thd,
+                                                      STRING_WITH_LEN(act)));
+                 };);
+
   wsrep_setup_uk_and_fk_checks(thd);
 
   int ret= 0;

storage/innobase/fil/fil0fil.cc

 /*****************************************************************************
 
 Copyright (c) 1995, 2017, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2014, 2020, MariaDB Corporation.
+Copyright (c) 2014, 2021, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -355,12 +355,16 @@ static bool fil_node_open_file_low(fil_node_t *node)
   ut_ad(!node->is_open());
   ut_ad(node->space->is_closing());
   ut_ad(mutex_own(&fil_system.mutex));
-  const auto flags= node->space->flags;
-  bool o_direct_possible= !FSP_FLAGS_HAS_PAGE_COMPRESSION(flags);
+  ulint type;
   static_assert(((UNIV_ZIP_SIZE_MIN >> 1) << 3) == 4096, "compatibility");
-  if (const auto ssize= FSP_FLAGS_GET_ZIP_SSIZE(flags))
-    if (ssize < 3)
-      o_direct_possible= false;
+  switch (FSP_FLAGS_GET_ZIP_SSIZE(node->space->flags)) {
+  case 1:
+  case 2:
+    type= OS_DATA_FILE_NO_O_DIRECT;
+    break;
+  default:
+    type= OS_DATA_FILE;
+  }
 
   for (;;)
   {
@@ -369,8 +373,7 @@ static bool fil_node_open_file_low(fil_node_t *node)
                                  node->is_raw_disk
                                  ? OS_FILE_OPEN_RAW | OS_FILE_ON_ERROR_NO_EXIT
                                  : OS_FILE_OPEN | OS_FILE_ON_ERROR_NO_EXIT,
-                                 OS_FILE_AIO, o_direct_possible
-                                 ? OS_DATA_FILE : OS_DATA_FILE_NO_O_DIRECT,
+                                 OS_FILE_AIO, type,
                                  srv_read_only_mode, &success);
     if (success)
       break;
@@ -2224,10 +2227,22 @@ fil_ibd_create(
 		return NULL;
 	}
 
+	ulint type;
+	static_assert(((UNIV_ZIP_SIZE_MIN >> 1) << 3) == 4096,
+		      "compatibility");
+	switch (FSP_FLAGS_GET_ZIP_SSIZE(flags)) {
+	case 1:
+	case 2:
+		type = OS_DATA_FILE_NO_O_DIRECT;
+		break;
+	default:
+		type = OS_DATA_FILE;
+	}
+
 	file = os_file_create(
 		innodb_data_file_key, path,
 		OS_FILE_CREATE | OS_FILE_ON_ERROR_NO_EXIT,
-		OS_FILE_AIO, OS_DATA_FILE, srv_read_only_mode, &success);
+		OS_FILE_AIO, type, srv_read_only_mode, &success);
 
 	if (!success) {
 		/* The following call will print an error message */

storage/innobase/include/fil0fil.h

@@ -1050,7 +1050,7 @@ struct fil_node_t final
 	/** Determine some file metadata when creating or reading the file.
 	@param	file	the file that is being created, or OS_FILE_CLOSED */
 	void find_metadata(os_file_t file = OS_FILE_CLOSED
-#ifdef UNIV_LINUX
+#ifndef _WIN32
 			   , struct stat* statbuf = NULL
 #endif
 			   );

storage/innobase/include/rem0rec.h

 /*****************************************************************************
 
 Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2017, 2020, MariaDB Corporation.
+Copyright (c) 2017, 2021, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -937,12 +937,14 @@ rec_copy(
 	const rec_offs*	offsets);
 
 /** Determine the size of a data tuple prefix in a temporary file.
+@tparam redundant_temp whether to use the ROW_FORMAT=REDUNDANT format
 @param[in]	index		clustered or secondary index
 @param[in]	fields		data fields
 @param[in]	n_fields	number of data fields
 @param[out]	extra		record header size
 @param[in]	status		REC_STATUS_ORDINARY or REC_STATUS_INSTANT
 @return	total size, in bytes */
+template<bool redundant_temp>
 ulint
 rec_get_converted_size_temp(
 	const dict_index_t*	index,
@@ -981,11 +983,13 @@ rec_init_offsets_temp(
 	MY_ATTRIBUTE((nonnull));
 
 /** Convert a data tuple prefix to the temporary file format.
+@tparam redundant_temp whether to use the ROW_FORMAT=REDUNDANT format
 @param[out]	rec		record in temporary file format
 @param[in]	index		clustered or secondary index
 @param[in]	fields		data fields
 @param[in]	n_fields	number of data fields
 @param[in]	status		REC_STATUS_ORDINARY or REC_STATUS_INSTANT */
+template<bool redundant_temp>
 void
 rec_convert_dtuple_to_temp(
 	rec_t*			rec,

storage/innobase/include/row0log.h

 /*****************************************************************************
 
 Copyright (c) 2011, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2017, 2020, MariaDB Corporation.
+Copyright (c) 2017, 2021, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -247,6 +247,11 @@ row_log_apply(
 	ut_stage_alter_t*	stage)
 	MY_ATTRIBUTE((warn_unused_result));
 
+/** Get the n_core_fields of online log for the index
+@param	 index	index whose n_core_fields of log to be accessed
+@return number of n_core_fields */
+unsigned row_log_get_n_core_fields(const dict_index_t *index);
+
 #ifdef HAVE_PSI_STAGE_INTERFACE
 /** Estimate how much work is to be done by the log apply phase
 of an ALTER TABLE for this index.

storage/innobase/os/os0file.cc

@@ -2,7 +2,7 @@
 
 Copyright (c) 1995, 2019, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2009, Percona Inc.
-Copyright (c) 2013, 2020, MariaDB Corporation.
+Copyright (c) 2013, 2021, MariaDB Corporation.
 
 Portions of this file contain modifications contributed and copyrighted
 by Percona Inc.. Those modifications are
@@ -2522,7 +2522,9 @@ os_file_create_func(
 		/* fall through */
 	case SRV_ALL_O_DIRECT_FSYNC:
 		/*Traditional Windows behavior, no buffering for any files.*/
-		attributes |= FILE_FLAG_NO_BUFFERING;
+		if (type != OS_DATA_FILE_NO_O_DIRECT) {
+			attributes |= FILE_FLAG_NO_BUFFERING;
+		}
 		break;
 
 	case SRV_FSYNC:
@@ -4393,7 +4395,7 @@ static bool is_file_on_ssd(char *file_path)
 /** Determine some file metadata when creating or reading the file.
 @param	file	the file that is being created, or OS_FILE_CLOSED */
 void fil_node_t::find_metadata(os_file_t file
-#ifdef UNIV_LINUX
+#ifndef _WIN32
 			       , struct stat* statbuf
 #endif
 			       )
@@ -4433,18 +4435,18 @@ void fil_node_t::find_metadata(os_file_t file
 		block_size = 512;
 	}
 #else
-	on_ssd = space->atomic_write_supported;
-# ifdef UNIV_LINUX
-	if (!on_ssd) {
-		struct stat sbuf;
-		if (!statbuf && !fstat(file, &sbuf)) {
-			statbuf = &sbuf;
-		}
-		if (statbuf && fil_system.is_ssd(statbuf->st_dev)) {
-			on_ssd = true;
-		}
+	struct stat sbuf;
+	if (!statbuf && !fstat(file, &sbuf)) {
+		statbuf = &sbuf;
 	}
+	if (statbuf) {
+		block_size = statbuf->st_blksize;
+	}
+	on_ssd = space->atomic_write_supported
+# ifdef UNIV_LINUX
+		|| (statbuf && fil_system.is_ssd(statbuf->st_dev))
 # endif
+		;
 #endif
 	if (!space->atomic_write_supported) {
 		space->atomic_write_supported = atomic_write
@@ -4478,7 +4480,6 @@ bool fil_node_t::read_page0()
 	if (fstat(handle, &statbuf)) {
 		return false;
 	}
-	block_size = statbuf.st_blksize;
 	os_offset_t size_bytes = statbuf.st_size;
 #else
 	os_offset_t size_bytes = os_file_get_size(handle);

storage/innobase/rem/rem0rec.cc

 /*****************************************************************************
 
 Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2017, 2020, MariaDB Corporation.
+Copyright (c) 2017, 2021, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -29,6 +29,7 @@ Created 5/30/1994 Heikki Tuuri
 #include "mtr0log.h"
 #include "fts0fts.h"
 #include "trx0sys.h"
+#include "row0log.h"
 
 /*			PHYSICAL RECORD (OLD STYLE)
 			===========================
@@ -1106,7 +1107,8 @@ rec_get_nth_field_offs_old(
 }
 
 /** Determine the size of a data tuple prefix in ROW_FORMAT=COMPACT.
-@tparam	mblob	whether the record includes a metadata BLOB
+@tparam	mblob	        whether the record includes a metadata BLOB
+@tparam redundant_temp  whether to use the ROW_FORMAT=REDUNDANT format
 @param[in]	index		record descriptor; dict_table_is_comp()
 				is assumed to hold, even if it doesn't
 @param[in]	dfield		array of data fields
@@ -1115,7 +1117,7 @@ rec_get_nth_field_offs_old(
 @param[in]	status		status flags
 @param[in]	temp		whether this is a temporary file record
 @return total size */
-template<bool mblob = false>
+template<bool mblob = false, bool redundant_temp = false>
 static inline
 ulint
 rec_get_converted_size_comp_prefix_low(
@@ -1132,25 +1134,27 @@ rec_get_converted_size_comp_prefix_low(
 	ut_d(ulint n_null = index->n_nullable);
 	ut_ad(status == REC_STATUS_ORDINARY || status == REC_STATUS_NODE_PTR
 	      || status == REC_STATUS_INSTANT);
+	unsigned n_core_fields = redundant_temp
+		? row_log_get_n_core_fields(index)
+		: index->n_core_fields;
 
 	if (mblob) {
-		ut_ad(!temp);
 		ut_ad(index->table->instant);
-		ut_ad(index->is_instant());
+		ut_ad(!redundant_temp && index->is_instant());
 		ut_ad(status == REC_STATUS_INSTANT);
 		ut_ad(n_fields == ulint(index->n_fields) + 1);
 		extra_size += UT_BITS_IN_BYTES(index->n_nullable)
 			+ rec_get_n_add_field_len(n_fields - 1
-						  - index->n_core_fields);
+						  - n_core_fields);
 	} else if (status == REC_STATUS_INSTANT
-		   && (!temp || n_fields > index->n_core_fields)) {
-		ut_ad(index->is_instant());
+		   && (!temp || n_fields > n_core_fields)) {
+		if (!redundant_temp) { ut_ad(index->is_instant()); }
 		ut_ad(UT_BITS_IN_BYTES(n_null) >= index->n_core_null_bytes);
 		extra_size += UT_BITS_IN_BYTES(index->get_n_nullable(n_fields))
 			+ rec_get_n_add_field_len(n_fields - 1
-						  - index->n_core_fields);
+						  - n_core_fields);
 	} else {
-		ut_ad(n_fields <= index->n_core_fields);
+		ut_ad(n_fields <= n_core_fields);
 		extra_size += index->n_core_null_bytes;
 	}
 
@@ -1449,7 +1453,8 @@ rec_convert_dtuple_to_rec_old(
 }
 
 /** Convert a data tuple into a ROW_FORMAT=COMPACT record.
-@tparam	mblob	whether the record includes a metadata BLOB
+@tparam	mblob	        whether the record includes a metadata BLOB
+@tparam redundant_temp  whether to use the ROW_FORMAT=REDUNDANT format
 @param[out]	rec		converted record
 @param[in]	index		index
 @param[in]	field		data fields to convert
@@ -1457,7 +1462,7 @@ rec_convert_dtuple_to_rec_old(
 @param[in]	status		rec_get_status(rec)
 @param[in]	temp		whether to use the format for temporary files
 				in index creation */
-template<bool mblob = false>
+template<bool mblob = false, bool redundant_temp = false>
 static inline
 void
 rec_convert_dtuple_to_rec_comp(
@@ -1474,7 +1479,9 @@ rec_convert_dtuple_to_rec_comp(
 	byte*		UNINIT_VAR(lens);
 	ulint		UNINIT_VAR(n_node_ptr_field);
 	ulint		null_mask	= 1;
-
+	const ulint	n_core_fields = redundant_temp
+			? row_log_get_n_core_fields(index)
+			: index->n_core_fields;
 	ut_ad(n_fields > 0);
 	ut_ad(temp || dict_table_is_comp(index->table));
 	ut_ad(index->n_core_null_bytes <= UT_BITS_IN_BYTES(index->n_nullable));
@@ -1484,11 +1491,10 @@ rec_convert_dtuple_to_rec_comp(
 	if (mblob) {
 		ut_ad(!temp);
 		ut_ad(index->table->instant);
-		ut_ad(index->is_instant());
+		ut_ad(!redundant_temp && index->is_instant());
 		ut_ad(status == REC_STATUS_INSTANT);
 		ut_ad(n_fields == ulint(index->n_fields) + 1);
-		rec_set_n_add_field(nulls, n_fields - 1
-				    - index->n_core_fields);
+		rec_set_n_add_field(nulls, n_fields - 1 - n_core_fields);
 		rec_set_bit_field_2(rec, PAGE_HEAP_NO_USER_LOW,
 				    REC_NEW_HEAP_NO, REC_HEAP_NO_MASK,
 				    REC_HEAP_NO_SHIFT);
@@ -1499,10 +1505,9 @@ rec_convert_dtuple_to_rec_comp(
 	}
 	switch (status) {
 	case REC_STATUS_INSTANT:
-		ut_ad(index->is_instant());
-		ut_ad(n_fields > index->n_core_fields);
-		rec_set_n_add_field(nulls, n_fields - 1
-				    - index->n_core_fields);
+		if (!redundant_temp) { ut_ad(index->is_instant()); }
+		ut_ad(n_fields > n_core_fields);
+		rec_set_n_add_field(nulls, n_fields - 1 - n_core_fields);
 		/* fall through */
 	case REC_STATUS_ORDINARY:
 		ut_ad(n_fields <= dict_index_get_n_fields(index));
@@ -1510,10 +1515,9 @@ rec_convert_dtuple_to_rec_comp(
 			rec_set_bit_field_2(rec, PAGE_HEAP_NO_USER_LOW,
 					    REC_NEW_HEAP_NO, REC_HEAP_NO_MASK,
 					    REC_HEAP_NO_SHIFT);
-			rec_set_status(
-				rec, n_fields == index->n_core_fields
-				     ? REC_STATUS_ORDINARY
-				     : REC_STATUS_INSTANT);
+			rec_set_status(rec, n_fields == n_core_fields
+				       ? REC_STATUS_ORDINARY
+				       : REC_STATUS_INSTANT);
 		}
 
 		if (dict_table_is_comp(index->table)) {
@@ -1741,12 +1745,14 @@ rec_convert_dtuple_to_rec(
 }
 
 /** Determine the size of a data tuple prefix in a temporary file.
+@tparam redundant_temp whether to use the ROW_FORMAT=REDUNDANT format
 @param[in]	index		clustered or secondary index
 @param[in]	fields		data fields
 @param[in]	n_fields	number of data fields
 @param[out]	extra		record header size
 @param[in]	status		REC_STATUS_ORDINARY or REC_STATUS_INSTANT
 @return	total size, in bytes */
+template<bool redundant_temp>
 ulint
 rec_get_converted_size_temp(
 	const dict_index_t*	index,
@@ -1755,10 +1761,18 @@ rec_get_converted_size_temp(
 	ulint*			extra,
 	rec_comp_status_t	status)
 {
-	return rec_get_converted_size_comp_prefix_low(
+	return rec_get_converted_size_comp_prefix_low<false,redundant_temp>(
 		index, fields, n_fields, extra, status, true);
 }
 
+template ulint rec_get_converted_size_temp<false>(
+	const dict_index_t*, const dfield_t*, ulint, ulint*,
+	rec_comp_status_t);
+
+template ulint rec_get_converted_size_temp<true>(
+	const dict_index_t*, const dfield_t*, ulint, ulint*,
+	rec_comp_status_t);
+
 /** Determine the offset to each field in temporary file.
 @param[in]	rec	temporary file record
 @param[in]	index	index of that the record belongs to
@@ -1811,6 +1825,7 @@ rec_init_offsets_temp(
 @param[in]	n_fields	number of data fields
 @param[in]	status		REC_STATUS_ORDINARY or REC_STATUS_INSTANT
 */
+template<bool redundant_temp>
 void
 rec_convert_dtuple_to_temp(
 	rec_t*			rec,
@@ -1819,10 +1834,18 @@ rec_convert_dtuple_to_temp(
 	ulint			n_fields,
 	rec_comp_status_t	status)
 {
-	rec_convert_dtuple_to_rec_comp(rec, index, fields, n_fields,
-				       status, true);
+	rec_convert_dtuple_to_rec_comp<false,redundant_temp>(
+		rec, index, fields, n_fields, status, true);
 }
 
+template void rec_convert_dtuple_to_temp<false>(
+	rec_t*, const dict_index_t*, const dfield_t*,
+	ulint, rec_comp_status_t);
+
+template void rec_convert_dtuple_to_temp<true>(
+	rec_t*, const dict_index_t*, const dfield_t*,
+	ulint, rec_comp_status_t);
+
 /** Copy the first n fields of a (copy of a) physical record to a data tuple.
 The fields are copied into the memory heap.
 @param[out]	tuple		data tuple

storage/innobase/row/row0log.cc

 /*****************************************************************************
 
 Copyright (c) 2011, 2018, Oracle and/or its affiliates. All Rights Reserved.
-Copyright (c) 2017, 2020, MariaDB Corporation.
+Copyright (c) 2017, 2021, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free Software
@@ -354,7 +354,7 @@ row_log_online_op(
 	row_merge_buf_encode(), because here we do not encode
 	extra_size+1 (and reserve 0 as the end-of-chunk marker). */
 
-	size = rec_get_converted_size_temp(
+	size = rec_get_converted_size_temp<false>(
 		index, tuple->fields, tuple->n_fields, &extra_size);
 	ut_ad(size >= extra_size);
 	ut_ad(size <= sizeof log->tail.buf);
@@ -402,7 +402,7 @@ row_log_online_op(
 		*b++ = (byte) extra_size;
 	}
 
-	rec_convert_dtuple_to_temp(
+	rec_convert_dtuple_to_temp<false>(
 		b + extra_size, index, tuple->fields, tuple->n_fields);
 	b += size;
 
@@ -742,7 +742,7 @@ row_log_table_delete(
 		      old_pk, old_pk->n_fields - 2)->len);
 	ut_ad(DATA_ROLL_PTR_LEN == dtuple_get_nth_field(
 		      old_pk, old_pk->n_fields - 1)->len);
-	old_pk_size = rec_get_converted_size_temp(
+	old_pk_size = rec_get_converted_size_temp<false>(
 		new_index, old_pk->fields, old_pk->n_fields,
 		&old_pk_extra_size);
 	ut_ad(old_pk_extra_size < 0x100);
@@ -755,7 +755,7 @@ row_log_table_delete(
 		*b++ = ROW_T_DELETE;
 		*b++ = static_cast<byte>(old_pk_extra_size);
 
-		rec_convert_dtuple_to_temp(
+		rec_convert_dtuple_to_temp<false>(
 			b + old_pk_extra_size, new_index,
 			old_pk->fields, old_pk->n_fields);
 
@@ -855,7 +855,7 @@ row_log_table_low_redundant(
 	rec_comp_status_t status = is_instant
 		? REC_STATUS_INSTANT : REC_STATUS_ORDINARY;
 
-	size = rec_get_converted_size_temp(
+	size = rec_get_converted_size_temp<true>(
 		index, tuple->fields, tuple->n_fields, &extra_size, status);
 	if (is_instant) {
 		size++;
@@ -875,7 +875,7 @@ row_log_table_low_redundant(
 		ut_ad(DATA_ROLL_PTR_LEN == dtuple_get_nth_field(
 			      old_pk, old_pk->n_fields - 1)->len);
 
-		old_pk_size = rec_get_converted_size_temp(
+		old_pk_size = rec_get_converted_size_temp<false>(
 			new_index, old_pk->fields, old_pk->n_fields,
 			&old_pk_extra_size);
 		ut_ad(old_pk_extra_size < 0x100);
@@ -892,7 +892,7 @@ row_log_table_low_redundant(
 			if (old_pk_size) {
 				*b++ = static_cast<byte>(old_pk_extra_size);
 
-				rec_convert_dtuple_to_temp(
+				rec_convert_dtuple_to_temp<false>(
 					b + old_pk_extra_size, new_index,
 					old_pk->fields, old_pk->n_fields);
 				b += old_pk_size;
@@ -915,7 +915,7 @@ row_log_table_low_redundant(
 			*b = status;
 		}
 
-		rec_convert_dtuple_to_temp(
+		rec_convert_dtuple_to_temp<true>(
 			b + extra_size, index, tuple->fields, tuple->n_fields,
 			status);
 		b += size;
@@ -1037,7 +1037,7 @@ row_log_table_low(
 		ut_ad(DATA_ROLL_PTR_LEN == dtuple_get_nth_field(
 			      old_pk, old_pk->n_fields - 1)->len);
 
-		old_pk_size = rec_get_converted_size_temp(
+		old_pk_size = rec_get_converted_size_temp<false>(
 			new_index, old_pk->fields, old_pk->n_fields,
 			&old_pk_extra_size);
 		ut_ad(old_pk_extra_size < 0x100);
@@ -1053,7 +1053,7 @@ row_log_table_low(
 			if (old_pk_size) {
 				*b++ = static_cast<byte>(old_pk_extra_size);
 
-				rec_convert_dtuple_to_temp(
+				rec_convert_dtuple_to_temp<false>(
 					b + old_pk_extra_size, new_index,
 					old_pk->fields, old_pk->n_fields);
 				b += old_pk_size;
@@ -4042,3 +4042,9 @@ row_log_apply(
 
 	DBUG_RETURN(error);
 }
+
+unsigned row_log_get_n_core_fields(const dict_index_t *index)
+{
+  ut_ad(index->online_log);
+  return index->online_log->n_core_fields;
+}

storage/innobase/row/row0merge.cc

@@ -302,7 +302,7 @@ row_merge_buf_encode(
 	ulint	size;
 	ulint	extra_size;
 
-	size = rec_get_converted_size_temp(
+	size = rec_get_converted_size_temp<false>(
 		index, entry->fields, n_fields, &extra_size);
 	ut_ad(size >= extra_size);
 
@@ -315,7 +315,7 @@ row_merge_buf_encode(
 		*(*b)++ = (byte) (extra_size + 1);
 	}
 
-	rec_convert_dtuple_to_temp(*b + extra_size, index,
+	rec_convert_dtuple_to_temp<false>(*b + extra_size, index,
 				   entry->fields, n_fields);
 
 	*b += size;
@@ -790,7 +790,7 @@ row_merge_buf_add(
 		ulint	size;
 		ulint	extra;
 
-		size = rec_get_converted_size_temp(
+		size = rec_get_converted_size_temp<false>(
 			index, entry->fields, n_fields, &extra);
 
 		ut_ad(data_size + extra_size == size);