fixed bugs in delayed insert replication and when slave loses connection after Int_var but before Query

public test suite now tests replication code as well

mysql-test/mybin/mysql-test_install_db

@@ -5,38 +5,21 @@
 # This scripts creates the privilege tables db, host, user, tables_priv,
 # columns_priv in the mysql database, as well as the func table.
 
-ldata=var/lib
-logdir=var/log
-mdata=$ldata/mysql
-execdir=../sql
-bindir=../client
 
-# Get mysqld/safe_mysqld options from /etc/my.cnf or ~/.my.cnf
-if test -w /
+if [ x$1 = x"-slave" ] 
 then
-  conf=@sysconfdir@/my.cnf
+ shift $#
+ ldata=var/slave-data
+ logdir=var/log
+ mdata=$ldata/mysql
+ execdir=../sql
+ bindir=../client
 else
-  conf=$HOME/.my.cnf
-fi
-
-if test -f "$conf"
-then
-  if grep "^datadir" $conf >/dev/null
-  then
-    ldata=`grep "^datadir" $conf | sed '.*=[ \t]*//`
-  fi
-  if grep "^execdir" $conf >/dev/null
-  then
-    execdir=`grep "^execdir" $conf | sed '.*=[ \t]*//`
-  fi
-  if grep "^bindir" $conf >/dev/null
-  then
-    bindir=`grep "^bindir" $conf | sed '.*=[ \t]*//`
-  fi
-  if grep "^user" $conf >/dev/null
-  then
-    user=`grep "^user" $conf | sed '.*=[ \t]*//`
-  fi
+ ldata=var/lib
+ logdir=var/log
+ mdata=$ldata/mysql
+ execdir=../sql
+ bindir=../client
 fi
 
 if test ! -x $execdir/mysqld
@@ -51,6 +34,7 @@ hostname=`hostname`		# Install this too in the user table
 
 resolved=127.0.0.1
 
+
 # Create database directories mysql & test
 if test ! -d $ldata; then (mkdir -p $ldata || exit 1) && \
  (chmod 700  $ldata || exit 1) ; fi
@@ -207,8 +191,8 @@ then
   c_c="$c_c   comment='Column privileges';"
 fi
 
-if $execdir/mysqld --bootstrap --skip-grant-tables \
-    --basedir=. --datadir=$ldata "$@" << END_OF_DATA
+if $execdir/mysqld --no-defaults --bootstrap --skip-grant-tables \
+    --basedir=. --datadir=$ldata  << END_OF_DATA
 use mysql;
 $c_d
 $i_d

mysql-test/mysql-test-run

@@ -25,12 +25,18 @@ TOT_TEST=0
 USERT=0
 SYST=0
 REALT=0
+MY_TMP_DIR=$CWD/var/tmp
 TIMEFILE="$CWD/var/tmp/mysqltest-time"
 DASHBLANK="----	----	-------"
 MYSQLD_SRC_DIRS="strings mysys include extra regex isam merge myisam \
  myisammrg heap sql"
-GCOV_MSG=/tmp/mysqld-gcov.out #gcov output
-GCOV_ERR=/tmp/mysqld-gcov.err  
+GCOV_MASTER_MSG=/tmp/mysqld-master-gcov.out #gcov output
+GCOV_MASTER_ERR=/tmp/mysqld-master-gcov.err  
+GCOV_SLAVE_MSG=/tmp/mysqld-slave-gcov.out #gcov output
+GCOV_SLAVE_ERR=/tmp/mysqld-slave-gcov.err  
+GCOV_SLAVE_SRC=/tmp/mysqld-slave-src/
+
+[ -d $MY_TMP_DIR ]  || mkdir -p $MY_TMP_DIR
 
 [ -z $COLUMNS ] && COLUMNS=80
 E=`expr $COLUMNS - 8`
@@ -45,12 +51,20 @@ done
 #++
 # mysqld Environment Parameters
 #--
-MYPORT=9306
-MYDDIR="$CWD/var/lib"
-MYSOCK="$CWD/var/tmp/mysql.sock"
-MYPID="$CWD/var/run/mysqld.pid"
-MYLOG="$CWD/var/log/mysqld.log"
-MYERR="$CWD/var/log/mysqld.err"
+MYRUN_DIR=var/run
+MASTER_MYPORT=9306
+MASTER_MYDDIR="$CWD/var/lib"
+MASTER_MYSOCK="$CWD/var/tmp/mysql.sock"
+MASTER_MYPID="$CWD/var/run/mysqld.pid"
+MASTER_MYLOG="$CWD/var/log/mysqld.log"
+MASTER_MYERR="$CWD/var/log/mysqld.err"
+
+SLAVE_MYPORT=9307
+SLAVE_MYDDIR="$CWD/var/slave-data"
+SLAVE_MYSOCK="$CWD/var/tmp/mysql-slave.sock"
+SLAVE_MYPID="$CWD/var/run/mysqld-slave.pid"
+SLAVE_MYLOG="$CWD/var/log/mysqld-slave.log"
+SLAVE_MYERR="$CWD/var/log/mysqld-slave.err"
 
 #++
 # Program Definitions
@@ -70,7 +84,7 @@ XARGS=`which xargs`
 MYSQLD="$BASEDIR/sql/mysqld"
 MYSQL_TEST="$BASEDIR/client/mysqltest"
 MYSQLADMIN="$BASEDIR/client/mysqladmin"
-MYSQL_TEST="$MYSQL_TEST --socket=$MYSOCK --database=$DB --user=$DBUSER --password=$DBPASSWD --silent"
+MYSQL_TEST="$MYSQL_TEST --socket=$MASTER_MYSOCK --database=$DB --user=$DBUSER --password=$DBPASSWD --silent"
 INSTALL_DB="$MYBIN/mysql-test_install_db"
 
 [ "$1" = "-gcov" ] && DO_GCOV=1
@@ -165,52 +179,97 @@ report_stats () {
 }
 
 mysql_install_db () {
-    `$INSTALL_DB`
+    $RM -rf $MASTER_MYDDIR $SLAVE_MYDDIR $SLAVE_MYLOG $MASTER_MYLOG \
+     $SLAVE_MYERR $MASTER_MYERR
+    [ -d $MYRUN_DIR ] || mkdir -p $MYRUN_DIR 
+    $INSTALL_DB
     if [ $? != 0 ]; then
-	error "Could not install test DBs"
+	error "Could not install master test DBs"
+	exit 1
+    fi
+    $INSTALL_DB -slave
+    if [ $? != 0 ]; then
+	error "Could not install slave test DBs"
 	exit 1
     fi
     return 0
 }
 
-gcov_clean () {
+gcov_prepare () {
     $FIND $BASEDIR -name \*.gcov \
     -or -name \*.da | $XARGS $RM
+    $RM -rf $GCOV_SLAVE_SRC
+    for d in $MYSQLD_SRC_DIRS; do
+	cd $BASEDIR/$d
+        mkdir -p $GCOV_SLAVE_SRC/$d  
+	for f in *.h *.cc *.c; do
+	  cp $f $GCOV_SLAVE_SRC/$d
+	done
+	cd $CWD
+   done    
 }
 
 gcov_collect () {
     $ECHO "Collecting source coverage info..."
-    [ -f $GCOV_MSG ] && $RM $GCOV_MSG
-    [ -f $GCOV_ERR ] && $RM $GCOV_ERR
+    [ -f $GCOV_MASTER_MSG ] && $RM $GCOV_MASTER_MSG
+    [ -f $GCOV_MASTER_ERR ] && $RM $GCOV_MASTER_ERR
+    [ -f $GCOV_SLAVE_MSG ] && $RM $GCOV_SLAVE_MSG
+    [ -f $GCOV_SLAVE_ERR ] && $RM $GCOV_SLAVE_ERR
     for d in $MYSQLD_SRC_DIRS; do
 	cd $BASEDIR/$d
 	for f in *.h *.cc *.c; do
-	    $GCOV $f 2>>$GCOV_ERR  >>$GCOV_MSG
+	    $GCOV $f 2>>$GCOV_MASTER_ERR  >>$GCOV_MASTER_MSG
+	done
+	cd $CWD
+	cd $GCOV_SLAVE_SRC/$d
+	for f in *.h *.cc *.c; do
+	    $GCOV $f 2>>$GCOV_SLAVE_ERR  >>$GCOV_SLAVE_MSG
 	done
 	cd $CWD
     done
 
-    $ECHO "gcov info in $GCOV_MSG, errors in $GCOV_ERR"
+    $ECHO "gcov master info in $GCOV_MASTER_MSG, errors in $GCOV_MASTER_ERR"
+    $ECHO "gcov slave info in $GCOV_SLAVE_MSG, errors in $GCOV_SLAVE_ERR"
 }
 
 mysql_start () {
 
     cd $BASEDIR # for gcov
-    $MYSQLD --no-defaults \
-            --skip-networking \
+    #start master
+    $MYSQLD --no-defaults --log-bin \
+    	    --server-id=1 \
             --basedir=$CWD \
-            --datadir=$MYDDIR \
-	    --pid-file=$MYPID \
-	    --socket=$MYSOCK \
-            --log=$MYLOG \
-            --language=english >> $MYERR 2>&1 &
+	    --port=$MASTER_MYPORT \
+	    --core-file \
+            --datadir=$MASTER_MYDDIR \
+	    --pid-file=$MASTER_MYPID \
+	    --socket=$MASTER_MYSOCK \
+            --log=$MASTER_MYLOG \
+	    --language=english  >> $MASTER_MYERR 2>&1 &
+    #allow master to get setteled so slave can connect right away without error
+    sleep 1
+    #start slave
+    $MYSQLD --no-defaults --server-id=2 \
+	    --master-user=root \
+	    --master-connect-retry=5 \
+	    --master-host=127.0.0.1 \
+	    --master-port=$MASTER_MYPORT \
+	    --core-file \
+            --basedir=$CWD \
+            --datadir=$SLAVE_MYDDIR \
+	    --pid-file=$SLAVE_MYPID \
+	    --port=$SLAVE_MYPORT \
+	    --socket=$SLAVE_MYSOCK \
+            --log=$SLAVE_MYLOG \
+            --language=english  >> $SLAVE_MYERR 2>&1 &
     cd $CWD
     return 1
 }
 
 mysql_stop () {
 
-    `$MYSQLADMIN --socket=$MYSOCK -u root shutdown`
+    $MYSQLADMIN --socket=$MASTER_MYSOCK -u root shutdown
+    $MYSQLADMIN --socket=$SLAVE_MYSOCK -u root shutdown
 
     return 1
 }
@@ -230,13 +289,14 @@ mysql_restart () {
 
 mysql_loadstd () {
 
-    sleep 2
+    #sleep 2
     return 1
 }
 
 [ "$DO_GCOV" -a ! -x "$GCOV" ] && error "No gcov found"
 
-[ "$DO_GCOV" ] && gcov_clean # clean up stale gcov files if running with gcov
+[ "$DO_GCOV" ] && gcov_prepare 
+
 
 mysql_install_db
 
@@ -289,6 +349,9 @@ do
 	total_inc
 
     if [ $res != 0 ]; then
+        $ECHO "failed output"
+	$CAT $TIMEFILE
+	$ECHO
 	$ECHO
 	$SETCOLOR_NORMAL && $ECHO -n "Restarting mysqld	$DASHBLANK"
 	mysql_restart

mysql-test/r/3.23/rpl000001.a.result

@@ -0,0 +1,3 @@
+n	
+1	
+2	

mysql-test/r/3.23/rpl000001.b.result

@@ -0,0 +1,2 @@
+sum(length(word))	
+363634	

mysql-test/r/3.23/rpl000002.result

@@ -0,0 +1,4 @@
+n	
+2000	
+2001	
+2002	

mysql-test/r/3.23/rpl000003.result

@@ -0,0 +1,4 @@
+n	
+1	
+2	
+3	

mysql-test/r/3.23/rpl000004.a.result

@@ -0,0 +1,2 @@
+Table	Op	Msg_type	Msg_text	
+test.words	check	status	OK	

mysql-test/r/3.23/rpl000004.b.result

@@ -0,0 +1,2 @@
+count(*)	
+45402	

mysql-test/r/3.23/rpl000005.result

@@ -0,0 +1,4 @@
+name	age	id	
+Andy	31	00000001	
+Jacob	2	00000002	
+Caleb	1	00000003	

mysql-test/r/3.23/rpl000006.result

@@ -0,0 +1,2 @@
+unix_timestamp(t)	
+200006	

mysql-test/t/3.23/rpl000001.test

@@ -0,0 +1,15 @@
+source t/include/master-slave.inc;
+connection master;
+use test;
+drop table if exists words;
+create table words (word char(20) not null);
+load data infile '../../std_data/words' into table words;
+drop table if exists foo;
+create table foo(n int);
+insert into foo values(1),(2);
+connection slave;
+sleep 3;
+use test;
+@r/3.23/rpl000001.a.result select * from foo;
+@r/3.23/rpl000001.b.result select sum(length(word)) from words;
+

mysql-test/t/3.23/rpl000002.test

@@ -0,0 +1,11 @@
+source t/include/master-slave.inc;
+connection master;
+use test;
+drop table if exists x;
+create table x(n int auto_increment primary key);
+set insert_id = 2000;
+insert into x values (NULL),(NULL),(NULL);
+connection slave;
+use test;
+sleep 1;
+@r/3.23/rpl000002.result select * from x;

mysql-test/t/3.23/rpl000003.test

@@ -0,0 +1,9 @@
+source t/include/master-slave.inc;
+connection master;
+drop table if exists x;
+create table x(n int primary key);
+!insert into x values (1),(2),(2);
+insert into x values (3);
+connection slave;
+sleep 1;
+@r/3.23/rpl000003.result select * from x;                                     

mysql-test/t/3.23/rpl000004.test

@@ -0,0 +1,18 @@
+source t/include/master-slave.inc;
+connection master;
+use test;
+set SQL_LOG_BIN=0;
+drop table if exists words;
+create table words (word char(20) not null, index(word));
+load data infile '../../std_data/words' into table words;
+drop table if exists words1;
+create table words1 (word char(20) not null);
+load data infile '../../std_data/words' into table words1;
+connection slave;
+use test;
+drop table if exists words;
+load table words from master;
+drop table if exists words1;
+load table words1 from master;
+@r/3.23/rpl000004.a.result check table words;
+@r/3.23/rpl000004.b.result select count(*) from words1;

mysql-test/t/3.23/rpl000005.test

@@ -0,0 +1,12 @@
+source t/include/master-slave.inc;
+connection master;
+drop table if exists test;
+CREATE TABLE test (name varchar(64), age smallint(3));
+INSERT INTO  test SET name='Andy', age=31;
+INSERT test SET name='Jacob', age=2;
+INSERT into test SET name='Caleb', age=1;
+ALTER TABLE test ADD id int(8) ZEROFILL AUTO_INCREMENT PRIMARY KEY;
+@r/3.23/rpl000005.result select * from test;
+connection slave;
+sleep 1;
+@r/3.23/rpl000005.result select * from test;

mysql-test/t/3.23/rpl000006.test

@@ -0,0 +1,12 @@
+source t/include/master-slave.inc;
+connection master;
+set SQL_LOG_BIN=0;
+set timestamp=200006;
+drop table if exists foo;
+create table foo(t timestamp not null,a char(1));
+insert into foo ( a) values ('F');
+@r/3.23/rpl000006.result select unix_timestamp(t) from foo;
+connection slave;
+drop table if exists foo;
+load table foo from master;
+@r/3.23/rpl000006.result select unix_timestamp(t) from foo;

mysql-test/t/include/master-slave.inc

@@ -0,0 +1,9 @@
+connect (master,localhost,root,,test,0,var/tmp/mysql.sock);
+connect (slave,localhost,root,,test,0,var/tmp/mysql-slave.sock);
+connection slave;
+!slave stop;
+connection master;
+reset master;
+connection slave;
+reset slave;
+!slave start;

sql/slave.cc

@@ -1053,6 +1053,8 @@ static void safe_connect(THD* thd, MYSQL* mysql, MASTER_INFO* mi)
 
 static void safe_reconnect(THD* thd, MYSQL* mysql, MASTER_INFO* mi)
 {
+  mi->pending = 0; // if we lost connection after reading a state set event
+  // we will be re-reading it, so pending needs to be cleared
   while(!slave_killed(thd) && mc_mysql_reconnect(mysql))
   {
     sql_print_error(

sql/sql_insert.cc

@@ -113,8 +113,15 @@ int mysql_insert(THD *thd,TABLE_LIST *table_list, List<Item> &fields,
   char *query=thd->query;
   DBUG_ENTER("mysql_insert");
 
+  /*
+    in safe mode or with skip-new change delayed insert to be regular
+    if we are told to replace duplicates, the insert cannot be concurrent
+    delayed insert changed to regular in slave thread
+   */
   if (lock_type == TL_WRITE_DELAYED &&
-      (specialflag & (SPECIAL_NO_NEW_FUNC | SPECIAL_SAFE_MODE)) ||
+      ((specialflag & (SPECIAL_NO_NEW_FUNC | SPECIAL_SAFE_MODE)) ||
+       thd->slave_thread
+       ) ||
       lock_type == TL_WRITE_CONCURRENT_INSERT && duplic == DUP_REPLACE)
     lock_type=TL_WRITE;
 
@@ -1083,6 +1090,7 @@ bool delayed_insert::handle_inserts(void)
     table->time_stamp=row->time_stamp;
 
     info.handle_duplicates= row->dup;
+    thd.net.last_errno = 0; // reset error for binlog
     if (write_record(table,&info))
     {
       info.error++;				// Ignore errors