MDEV-37192 Crash recovery reports corrupiton after bulk load

Problem:
=======
- InnoDB modifies the PAGE_ROOT_AUTO_INC value on clustered index
root page. But before committing the PAGE_ROOT_AUTO_INC changes
mini-transaction, InnoDB does bulk insert operation and
calculates the page checksum and store as a part of redo log in
mini-transaction. During recovery, InnoDB fails to validate the
page checksum.

Solution:
========
- Avoid writing the persistent auto increment value before doing
bulk insert operation.

- For bulk insert operation, persistent auto increment value
is written via btr_write_autoinc while applying the buffered
insert operation.

Author: Thirunarayanan

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

@@ -2,6 +2,7 @@ CREATE TABLE t1(f1 INT NOT NULL,f2 INT NOT NULL)ENGINE=InnoDB;
 INSERT INTO t1 SELECT seq, seq from seq_1_to_131072;
 INSERT INTO t1 VALUES(131073, 131073), (131074, 131073);
 SELECT * INTO OUTFILE "VARDIR/tmp/t1.outfile" FROM t1;
+SELECT * INTO OUTFILE "VARDIR/tmp/t.outfile" FROM t1 LIMIT 1;
 # successful load statement using bulk insert
 CREATE TABLE t2(f1 INT NOT NULL PRIMARY KEY,
 f2 INT NOT NULL)ENGINE=InnoDB;
@@ -48,3 +49,12 @@ CHECK TABLE t2 EXTENDED;
 Table	Op	Msg_type	Msg_text
 test.t2	check	status	OK
 DROP TABLE t2, t1;
+#
+#  MDEV-37192  Crash recovery reports corruption after bulk load
+#
+CREATE TABLE t2(f1 INT AUTO_INCREMENT, f2 INT NOT NULL,
+PRIMARY KEY(f1))ENGINE=InnoDB;
+BEGIN;
+LOAD DATA INFILE 'VARDIR/tmp/t.outfile' INTO TABLE t2;
+# restart
+DROP TABLE t2;

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

@@ -1,6 +1,7 @@
 --source include/have_innodb.inc
 --source include/have_sequence.inc
 --source include/big_test.inc
+--source include/not_embedded.inc
 
 CREATE TABLE t1(f1 INT NOT NULL,f2 INT NOT NULL)ENGINE=InnoDB;
 INSERT INTO t1 SELECT seq, seq from seq_1_to_131072;
@@ -9,6 +10,8 @@ INSERT INTO t1 VALUES(131073, 131073), (131074, 131073);
 --disable_cursor_protocol
 --disable_ps2_protocol
 eval SELECT * INTO OUTFILE "$MYSQLTEST_VARDIR/tmp/t1.outfile" FROM t1;
+--replace_result $MYSQLTEST_VARDIR VARDIR
+eval SELECT * INTO OUTFILE "$MYSQLTEST_VARDIR/tmp/t.outfile" FROM t1 LIMIT 1;
 --enable_ps2_protocol
 --enable_cursor_protocol
 
@@ -50,3 +53,16 @@ SELECT COUNT(*) FROM t2;
 CHECK TABLE t2 EXTENDED;
 --remove_file $MYSQLTEST_VARDIR/tmp/t1.outfile
 DROP TABLE t2, t1;
+
+--echo #
+--echo #  MDEV-37192  Crash recovery reports corruption after bulk load
+--echo #
+CREATE TABLE t2(f1 INT AUTO_INCREMENT, f2 INT NOT NULL,
+		PRIMARY KEY(f1))ENGINE=InnoDB;
+BEGIN;
+--replace_result $MYSQLTEST_VARDIR VARDIR
+eval LOAD DATA INFILE '$MYSQLTEST_VARDIR/tmp/t.outfile' INTO TABLE t2;
+--let $shutdown_timeout=0
+--source include/restart_mysqld.inc
+--remove_file $MYSQLTEST_VARDIR/tmp/t.outfile
+DROP TABLE t2;

storage/innobase/row/row0ins.cc

@@ -2729,13 +2729,6 @@ row_ins_clust_index_entry_low(
 		goto func_exit;
 	}
 
-	if (auto_inc) {
-		buf_block_t* root
-			= mtr.at_savepoint(mode != BTR_MODIFY_ROOT_AND_LEAF);
-		ut_ad(index->page == root->page.id().page_no());
-		page_set_autoinc(root, auto_inc, &mtr, false);
-	}
-
 	btr_pcur_get_btr_cur(&pcur)->thr = thr;
 
 #ifdef UNIV_DEBUG
@@ -2854,6 +2847,13 @@ row_ins_clust_index_entry_low(
 	}
 
 row_level_insert:
+	if (auto_inc) {
+		buf_block_t* root =
+			mtr.at_savepoint(mode != BTR_MODIFY_ROOT_AND_LEAF);
+		ut_ad(index->page == root->page.id().page_no());
+		page_set_autoinc(root, auto_inc, &mtr, false);
+	}
+
 	if (UNIV_UNLIKELY(entry->info_bits != 0)) {
 		const rec_t* rec = btr_pcur_get_rec(&pcur);