Symlinking of tables should not work.

Fixed error number handling bug in mysqltest.
Fixed that error number from insert delayed is reported correctly.
merged new vio code with old violite code.


client/mysqltest.c:
  Fixed bug that error numbers wasn't tested properly.
myisam/mi_check.c:
  Moved initialization of variables to avoid a bug.
myisam/mi_create.c:
  Fixed bug in symlink handling.
myisam/mi_test_all.sh:
  Fixed script so that it works.
myisam/myisamchk.c:
  Removed --no-symlinks option
mysql-test/mysql-test-run.sh:
  Cleaned up error message
mysql-test/t/bdb.test:
  Fixed wrong error numbers
mysql-test/t/err000001.test:
  Fixed wrong error numbers
mysql-test/t/innodb.test:
  Fixed wrong error numbers
mysql-test/t/overflow.test:
  Fixed wrong error numbers
mysql-test/t/status.test:
  Ensure that we are using myisam tables for the lock test.
mysys/my_delete.c:
  cleanup
mysys/my_symlink2.c:
  Added option to not overwrite files when using symlinks.
sql/Makefile.am:
  Moved vio to avoid link error.
sql/ha_myisam.cc:
  Fixed symlink handling.
sql/mysqld.cc:
  Changed --skip-symlinks to --skip-symlink
sql/sql_insert.cc:
  Fixed that error number from insert delayed is reported correctly
sql/sql_parse.cc:
  Fixed symlink handling.
sql/sql_table.cc:
  Fixed symlink handling.
vio/vio.c:
  cleanup
vio/viosocket.c:
  c

1 files changed, 82 insertions, 0 deletions

diff --git a/mysql-test/t/symlink.test b/mysql-test/t/symlink.test
new file mode 100644
index 00000000000..5e2b8232844
--- /dev/null
+++ b/mysql-test/t/symlink.test
@@ -0,0 +1,82 @@
+-- require r/have_symlink.require
+show variables like "have_symlink";
+
+#
+# First create little data to play with
+#
+drop table if exists t1,t2,t7,t8,t9;
+create table t1 (a int not null auto_increment, b char(16) not null, primary key (a));
+create table t2 (a int not null auto_increment, b char(16) not null, primary key (a));
+insert into t1 (b) values ("test"),("test1"),("test2"),("test3");
+insert into t2 (b) select b from t1;
+insert into t1 (b) select b from t2;
+insert into t2 (b) select b from t1;
+insert into t1 (b) select b from t2;
+insert into t2 (b) select b from t1;
+insert into t1 (b) select b from t2;
+insert into t2 (b) select b from t1;
+insert into t1 (b) select b from t2;
+insert into t2 (b) select b from t1;
+insert into t1 (b) select b from t2;
+insert into t2 (b) select b from t1;
+insert into t1 (b) select b from t2;
+insert into t2 (b) select b from t1;
+insert into t1 (b) select b from t2;
+insert into t2 (b) select b from t1;
+insert into t1 (b) select b from t2;
+insert into t2 (b) select b from t1;
+insert into t1 (b) select b from t2;
+drop table t2;
+
+#
+# Start the test
+# We use t9 here to not crash with tables generated by the backup test
+# 
+
+eval create table t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam data directory="$MYSQL_TEST_DIR/var/tmp" index directory="$MYSQL_TEST_DIR/var/run";
+insert into t9 select * from t1;
+check table t9;
+optimize table t9;
+repair table t9;
+alter table t9 add column c int not null;
+show create table t9;
+
+# Test renames
+alter table t9 rename t8, add column d int not null;
+alter table t8 rename t7;
+rename table t7 to t9;
+# Drop old t1 table, keep t9
+drop table t1;
+
+#
+# Test error handling
+# Note that we are using the above table t9 here!
+#
+
+--error 1103
+create table t1 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam data directory="tmp";
+
+# Check that we cannot link over a table from another database.
+
+drop database if exists test_mysqltest;
+create database test_mysqltest;
+
+--error 1
+create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam index directory="/this-dir-does-not-exist";
+
+--error 1103
+create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam index directory="not-hard-path";
+
+--error 1
+eval create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam index directory="$MYSQL_TEST_DIR/var/run";
+
+--error 1
+eval create table test_mysqltest.t9 (a int not null auto_increment, b char(16) not null, primary key (a)) type=myisam data directory="$MYSQL_TEST_DIR/var/tmp";
+
+# Check moving table t9 from default database to test_mysqltest;
+# In this case the symlinks should be removed.
+
+alter table t9 rename test_mysqltest.t9;
+select count(*) from test_mysqltest.t9;
+show create table test_mysqltest.t9;
+drop database test_mysqltest;