#!/bin/sh
#
# Copyright 2005 MySQL AB
# 
# 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 Foundation; either version 2 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

echo "######################################################################"
echo "#"
echo "# Test Bug#10600 - Locking (or scheduling ?) unreliable / Shutdown without reason ?"
echo "#"

#######################################################################
#
# Settings. CAUTION: Paths are not space safe.
#

# BASEDIR="install directory"
# DATADIR="databases directory e.g. $BASEDIR/var"

MYSQLD="$BASEDIR/libexec/mysqld"
MYSQLC="$BASEDIR/bin/mysql"
MYSQLA="$BASEDIR/bin/mysqladmin"
MYSQLT="$BASEDIR/bin/mysqltest"

PORT_1="${MYSQL_TCP_PORT:+--port=$MYSQL_TCP_PORT}"
SOCK_1="${MYSQL_UNIX_PORT:+--socket=$MYSQL_UNIX_PORT}"
USER_1="-u root -D test"
CLNT_1="-v -f"
DATA_1="--basedir=$BASEDIR --datadir=$DATADIR"
SERV_1="--log-error --core"
DBUG_1="--debug=t:d:i:O,$DATADIR/mysqld.trace"
DBUG_1= #"--debug=d,thrlock:i:O,$DATADIR/mysqld.trace"
DBUG_1= #"--debug=d,ingo,query:i:O,$DATADIR/mysqld.trace"

cd $DATADIR || exit $?
rm -f *.trace *.err core* test/#sql* bug10600*

echo "######################################################################"
echo "#"
echo "# Preparing python script 1 - lock, drop."
cat > bug10600-lockdrop.py <<'EOF'
#!/usr/bin/env python
import sys

i = 25000

print "drop table if exists t1, t2;"
print "create table t1 (a int);"
print "create table t2 (a int);"

while (i > 0):
        print "drop table t2;"
        print "unlock tables;"
        print "create table t2 (a int);"
        print "lock table t1 write, t2 write;"
        print "insert into t2 values (%d);" % (i)
        #print "system sleep 1"
        i -= 1
EOF
echo


echo "######################################################################"
echo "#"
echo "# Preparing python script 2 - insert select."
cat > bug10600-inssel.py <<'EOF'
#!/usr/bin/env python
#import sys

i = 75000

while (i > 0):
        print "insert t1 select * from t2;"
        print "select %d, a from t1;" % (i)
        print "delete from t1;"
        i -= 1
EOF
echo


echo "######################################################################"
echo "#"
echo "# Starting database server."
"$MYSQLD" $PORT_1 $SOCK_1 $DATA_1 $SERV_1 $DBUG_1 &
SERV_1_PID=$!
echo "Process_id $SERV_1_PID"
echo
sleep 5


echo "######################################################################"
echo "#"
echo "# Starting client 1 - lock, drop."
(
    python bug10600-lockdrop.py |\
        "$MYSQLC" $PORT_1 $SOCK_1 $USER_1 $CLNT_1 > bug10600-1.out 2>&1
)&
CLNT_1_PID=$!
echo "Process_id $CLNT_1_PID"
echo
sleep 2


echo "######################################################################"
echo "#"
echo "# Starting client 2 - insert select."
(
    python bug10600-inssel.py |\
         "$MYSQLC" $PORT_1 $SOCK_1 $USER_1 $CLNT_1 > bug10600-2.out 2>&1
)&
CLNT_2_PID=$!
echo "Process_id $CLNT_2_PID"
echo
sleep 2


echo "######################################################################"
echo "#"
echo "# Waiting for completion..."
wait $CLNT_1_PID
kill $CLNT_2_PID
wait $CLNT_2_PID
echo
sleep 2


echo "######################################################################"
echo "#"
echo "# Stopping database server."
"$MYSQLA" $PORT_1 $SOCK_1 -u root shutdown
sleep 3


echo "# End of Test."
echo "#"
echo "######################################################################"