Commit 00046000 authored by unknown's avatar unknown
Browse files

Merge mysql.com:/windows/Linux_space/MySQL/mysql-5.0 

into  mysql.com:/windows/Linux_space/MySQL/mysql-5.1


mysql-test/r/ndb_update.result:
  Auto merged
storage/ndb/src/common/util/socket_io.cpp:
  Auto merged
parents 450bf11a 15155fff

mysql-test/r/ndb_update.result

+8 −0
Original line number Diff line number Diff line
@@ -17,6 +17,14 @@ pk1 b c 
0	0	0

2	2	2

4	1	1

UPDATE t1 set pk1 = 4 where pk1 = 2;

ERROR 23000: Duplicate entry '4' for key 1

UPDATE IGNORE t1 set pk1 = 4 where pk1 = 2;

select * from t1 order by pk1;

pk1	b	c

0	0	0

2	2	2

4	1	1

UPDATE t1 set pk1 = 1, c = 2 where pk1 = 4;

ERROR 23000: Duplicate entry '' for key '*UNKNOWN*'

select * from t1 order by pk1;

mysql-test/t/ndb_update.test

+4 −0
Original line number Diff line number Diff line
@@ -24,6 +24,10 @@ select * from t1 order by pk1; 
UPDATE t1 set pk1 = 4 where pk1 = 1;

select * from t1 order by pk1;

--error 1062

UPDATE t1 set pk1 = 4 where pk1 = 2;

UPDATE IGNORE t1 set pk1 = 4 where pk1 = 2;

select * from t1 order by pk1;

-- error 1062

UPDATE t1 set pk1 = 1, c = 2 where pk1 = 4;

select * from t1 order by pk1;

UPDATE t1 set pk1 = pk1 + 10;

storage/ndb/src/common/util/socket_io.cpp

+50 −32
Original line number Diff line number Diff line
@@ -53,10 +53,6 @@ readln_socket(NDB_SOCKET_TYPE socket, int timeout_millis, 
  if(buflen <= 1)

    return 0;



  int sock_flags= fcntl(socket, F_GETFL);

  if(fcntl(socket, F_SETFL, sock_flags | O_NONBLOCK) == -1)

    return -1;



  fd_set readset;

  FD_ZERO(&readset);

  FD_SET(socket, &readset);
@@ -76,43 +72,65 @@ readln_socket(NDB_SOCKET_TYPE socket, int timeout_millis, 
  }



  if(selectRes == -1){

    fcntl(socket, F_SETFL, sock_flags);

    return -1;

  }



  const int t = recv(socket, buf, buflen, MSG_PEEK);

  char* ptr = buf;

  int len = buflen;

  do

  {

    int t;

    while((t = recv(socket, ptr, len, MSG_PEEK)) == -1 && errno == EINTR);

    

    if(t < 1)

    {

    fcntl(socket, F_SETFL, sock_flags);

      return -1;

    }



    

    for(int i = 0; i<t; i++)

    {

    if(buf[i] == '\n'){

      int r= recv(socket, buf, i+1, 0);

      buf[i+1]= 0;

      if(r < 1) {

        fcntl(socket, F_SETFL, sock_flags);

      if(ptr[i] == '\n')

      {

	/**

	 * Now consume

	 */

	for (len = 1 + i; len; )

	{

	  while ((t = recv(socket, ptr, len, 0)) == -1 && errno == EINTR);

	  if (t < 1)

	    return -1;

	  ptr += t;

	  len -= t;

	}

	ptr[0]= 0;

	return ptr - buf;

      }



      if(i > 0 && buf[i-1] == '\r'){

        buf[i-1] = '\n';

        buf[i]= '\0';

    }

    

      fcntl(socket, F_SETFL, sock_flags);

      return r;

    for (int tmp = t; tmp; )

    {

      while ((t = recv(socket, ptr, tmp, 0)) == -1 && errno == EINTR);

      if (t < 1)

      {

	return -1;

      }

      ptr += t;

      len -= t;

      tmp -= t;

    }



  int r= recv(socket, buf, t, 0);

  if(r>=0)

    buf[r] = 0;

  fcntl(socket, F_SETFL, sock_flags);

  return r;

    FD_ZERO(&readset);

    FD_SET(socket, &readset);

    timeout.tv_sec  = (timeout_millis / 1000);

    timeout.tv_usec = (timeout_millis % 1000) * 1000;

    const int selectRes = select(socket + 1, &readset, 0, 0, &timeout);

    if(selectRes != 1){

      return -1;

    }

  } while (len > 0);

  

  return -1;

}



extern "C"