MDEV-32833 InnoDB wrong error message

trx_t::commit_in_memory(): Empty the detailed_error string, so that
FOREIGN KEY error messages from an earlier transaction will not be
wrongly reused in ha_innobase::get_error_message().

Reviewed by: Thirunarayanan Balathandayuthapani

mysql-test/suite/innodb/r/foreign-keys.result

@@ -236,3 +236,10 @@ INSERT INTO t2 VALUES('G', 3);
 ERROR 23000: Cannot add or update a child row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `t2_ibfk_1` FOREIGN KEY (`f2`) REFERENCES `t1` (`f1`))
 DROP TABLE t2, t1;
 SET FOREIGN_KEY_CHECKS=DEFAULT;
+CREATE TABLE t1(a SERIAL) ENGINE=InnoDB ROW_FORMAT=COMPRESSED PAGE_COMPRESSED=1;
+ERROR HY000: Can't create table `test`.`t1` (errno: 140 "Wrong create options")
+SHOW WARNINGS;
+Level	Code	Message
+Warning	140	InnoDB: PAGE_COMPRESSED table can't have ROW_TYPE=COMPRESSED
+Error	1005	Can't create table `test`.`t1` (errno: 140 "Wrong create options")
+Warning	1030	Got error 140 "Wrong create options" from storage engine InnoDB

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

@@ -2481,7 +2481,7 @@ INSERT INTO t2 VALUES(1);
 DELETE FROM t1 WHERE id = 1;
 ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`))
 DROP TABLE t1;
-ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails (`test`.`t2`, CONSTRAINT `c1` FOREIGN KEY (`v`) REFERENCES `t1` (`id`))
+ERROR 23000: Cannot delete or update a parent row: a foreign key constraint fails
 SET FOREIGN_KEY_CHECKS=0;
 DROP TABLE t1;
 SET FOREIGN_KEY_CHECKS=1;

mysql-test/suite/innodb/t/foreign-keys.test

@@ -268,3 +268,7 @@ SET FOREIGN_KEY_CHECKS=1;
 INSERT INTO t2 VALUES('G', 3);
 DROP TABLE t2, t1;
 SET FOREIGN_KEY_CHECKS=DEFAULT;
+
+--error ER_CANT_CREATE_TABLE
+CREATE TABLE t1(a SERIAL) ENGINE=InnoDB ROW_FORMAT=COMPRESSED PAGE_COMPRESSED=1;
+SHOW WARNINGS;

storage/innobase/include/trx0trx.h

@@ -1054,6 +1054,7 @@ struct trx_t {
   {
     ut_ad(state == TRX_STATE_NOT_STARTED);
     ut_ad(!id);
+    ut_ad(!*detailed_error);
     ut_ad(!has_logged());
     ut_ad(!is_referenced());
     ut_ad(!is_wsrep());

storage/innobase/trx/trx0trx.cc

@@ -1471,6 +1471,7 @@ inline void trx_t::commit_in_memory(const mtr_t *mtr)
 
   DBUG_LOG("trx", "Commit in memory: " << this);
   state= TRX_STATE_NOT_STARTED;
+  *detailed_error= '\0';
 
   assert_freed();
   trx_init(this);