Fix BUG#12071: "Windows hang:'Opening tables' or 'Waiting for

 table' lockup".
 Changes from the innodb-5.0-ss92 snapshot.
 Do not call os_file_create_tmpfile() at runtime. Instead, create
 all tempfiles at startup and guard access to them with mutexes.


innobase/btr/btr0sea.c:
  Changes from the innodb-5.0ss92 snapshot.
innobase/include/buf0buf.h:
  Changes from the innodb-5.0ss92 snapshot.
innobase/include/os0file.h:
  Changes from the innodb-5.0ss92 snapshot.
innobase/include/srv0srv.h:
  Changes from the innodb-5.0ss92 snapshot.
innobase/row/row0ins.c:
  Changes from the innodb-5.0ss92 snapshot.
innobase/srv/srv0srv.c:
  Changes from the innodb-5.0ss92 snapshot.
innobase/srv/srv0start.c:
  Changes from the innodb-5.0ss92 snapshot.
mysql-test/r/innodb.result:
  Changes from the innodb-5.0ss92 snapshot.
mysql-test/t/innodb.test:
  Changes from the innodb-5.0ss92 snapshot.
sql/ha_innodb.cc:
  Changes from the innodb-5.0ss92 snapshot.

1 files changed, 34 insertions, 0 deletions

diff --git a/mysql-test/t/innodb.test b/mysql-test/t/innodb.test
index 735deba2b05..887d8193157 100644
--- a/mysql-test/t/innodb.test
+++ b/mysql-test/t/innodb.test
@@ -1833,4 +1833,38 @@ create table t1 (a varchar(255) character set utf8,
                  e varchar(255) character set utf8,
                  key (a,b,c,d,e)) engine=innodb;
 
+# test that foreign key errors are reported correctly (Bug #15550)
+
+create table t1(a int primary key) row_format=redundant engine=innodb;
+create table t2(a int primary key,constraint foreign key(a)references t1(a)) row_format=compact engine=innodb;
+create table t3(a int primary key) row_format=compact engine=innodb;
+create table t4(a int primary key,constraint foreign key(a)references t3(a)) row_format=redundant engine=innodb;
+
+insert into t1 values(1);
+insert into t3 values(1);
+-- error 1452
+insert into t2 values(2);
+-- error 1452
+insert into t4 values(2);
+insert into t2 values(1);
+insert into t4 values(1);
+-- error 1451
+update t1 set a=2;
+-- error 1452
+update t2 set a=2;
+-- error 1451
+update t3 set a=2;
+-- error 1452
+update t4 set a=2;
+-- error 1451
+truncate t1;
+-- error 1451
+truncate t3;
+truncate t2;
+truncate t4;
+truncate t1;
+truncate t3;
+
+drop table t4,t3,t2,t1;
+
 --echo End of 5.0 tests