Merge tulin@bk-internal.mysql.com:/home/bk/mysql-4.1

into poseidon.(none):/home/tomas/mysql-4.1

client/mysql.cc

@@ -2947,7 +2947,12 @@ put_info(const char *str,INFO_TYPE info_type, uint error, const char *sqlstate)
       (void) fflush(file);
       fprintf(file,"ERROR");
       if (error)
-	(void) fprintf(file," %d",error);
+      {
+	if (sqlstate)
+	  (void) fprintf(file," %d (%s)",error, sqlstate);
+        else
+	  (void) fprintf(file," %d",error);
+      }
       if (status.query_start_line && line_numbers)
       {
 	(void) fprintf(file," at line %lu",status.query_start_line);

libmysql/errmsg.c

@@ -42,7 +42,7 @@ const char *client_errors[]=
   "Error in server handshake",
   "Lost connection to MySQL server during query",
   "Commands out of sync; you can't run this command now",
-  "Verbindung ueber Named Pipe; Host: %-.100s",
+  "Verbindung ueber Named Pipe: %-.32s",
   "Kann nicht auf Named Pipe warten. Host: %-.64s  pipe: %-.32s (%lu)",
   "Kann Named Pipe nicht oeffnen. Host: %-.64s  pipe: %-.32s (%lu)",
   "Kann den Status der Named Pipe nicht setzen.  Host: %-.64s  pipe: %-.32s (%lu)",
@@ -64,7 +64,7 @@ const char *client_errors[]=
   "Invalid parameter number",
   "Can't send long data for non-string/non-binary data types (parameter: %d)",
   "Using unsupported buffer type: %d  (parameter: %d)",
-  "Shared memory (%lu)",
+  "Shared memory: %-.100s",
   "Can't open shared memory; client could not create request event (%lu)",
   "Can't open shared memory; no answer event received from server (%lu)",
   "Can't open shared memory; server could not allocate file mapping (%lu)",
@@ -101,7 +101,7 @@ const char *client_errors[]=
   "Erro na negociao de acesso ao servidor",
   "Conexo perdida com servidor MySQL durante 'query'",
   "Comandos fora de sincronismo; voc no pode executar este comando agora",
-  "%-.100s via 'named pipe'",
+  "Named pipe: %-.32s",
   "No pode esperar pelo 'named pipe' para o 'host' %-.64s - 'pipe' %-.32s (%lu)",
   "No pode abrir 'named pipe' para o 'host' %-.64s - 'pipe' %-.32s (%lu)",
   "No pode estabelecer o estado do 'named pipe' para o 'host' %-.64s - 'pipe' %-.32s (%lu)",
@@ -123,7 +123,7 @@ const char *client_errors[]=
   "Invalid parameter number",
   "Can't send long data for non-string/non-binary data types (parameter: %d)",
   "Using unsupported buffer type: %d  (parameter: %d)",
-  "Shared memory (%lu)",
+  "Shared memory: %-.100s",
   "Can't open shared memory; client could not create request event (%lu)",
   "Can't open shared memory; no answer event received from server (%lu)",
   "Can't open shared memory; server could not allocate file mapping (%lu)",
@@ -158,7 +158,7 @@ const char *client_errors[]=
   "Error in server handshake",
   "Lost connection to MySQL server during query",
   "Commands out of sync; you can't run this command now",
-  "%-.100s via named pipe",
+  "Named pipe: %-.32s",
   "Can't wait for named pipe to host: %-.64s  pipe: %-.32s (%lu)",
   "Can't open named pipe to host: %-.64s  pipe: %-.32s (%lu)",
   "Can't set state of named pipe to host: %-.64s  pipe: %-.32s (%lu)",
@@ -180,7 +180,7 @@ const char *client_errors[]=
   "Invalid parameter number",
   "Can't send long data for non-string/non-binary data types (parameter: %d)",
   "Using unsupported buffer type: %d  (parameter: %d)",
-  "Shared memory (%lu)",
+  "Shared memory: %-.100s",
   "Can't open shared memory; client could not create request event (%lu)",
   "Can't open shared memory; no answer event received from server (%lu)",
   "Can't open shared memory; server could not allocate file mapping (%lu)",

libmysql/libmysql.c

@@ -1703,16 +1703,18 @@ static void stmt_update_metadata(MYSQL_STMT *stmt, MYSQL_ROWS *data);
 /**************** Misc utility functions ****************************/
 
 /*
-  Reallocate the NET package to be at least of 'length' bytes
+  Reallocate the NET package to have at least length bytes available.
 
   SYNPOSIS
-   my_realloc_str()
-   net                 The NET structure to modify
-   length              Ensure that net->buff is at least this big
+    my_realloc_str()
+    net                 The NET structure to modify.
+    length              Ensure that net->buff has space for at least
+                        this number of bytes.
 
   RETURN VALUES
-  0	ok
-  1	Error
+    0   Success.
+    1   Error, i.e. out of memory or requested packet size is bigger
+        than max_allowed_packet. The error code is stored in net->last_errno.
 */
 
 static my_bool my_realloc_str(NET *net, ulong length)
@@ -2365,7 +2367,7 @@ static my_bool store_param(MYSQL_STMT *stmt, MYSQL_BIND *param)
     */
     if ((my_realloc_str(net, *param->length)))
     {
-      set_stmt_error(stmt, CR_OUT_OF_MEMORY, unknown_sqlstate);
+      set_stmt_error(stmt, net->last_errno, unknown_sqlstate);
       DBUG_RETURN(1);
     }
     (*param->store_param_func)(net, param);
@@ -2427,6 +2429,11 @@ int cli_stmt_execute(MYSQL_STMT *stmt)
     net_clear(net);				/* Sets net->write_pos */
     /* Reserve place for null-marker bytes */
     null_count= (stmt->param_count+7) /8;
+    if (my_realloc_str(net, null_count + 1))
+    {
+      set_stmt_error(stmt, net->last_errno, unknown_sqlstate);
+      DBUG_RETURN(1);
+    }
     bzero((char*) net->write_pos, null_count);
     net->write_pos+= null_count;
     param_end= stmt->params + stmt->param_count;
@@ -2435,6 +2442,11 @@ int cli_stmt_execute(MYSQL_STMT *stmt)
     *(net->write_pos)++= (uchar) stmt->send_types_to_server;
     if (stmt->send_types_to_server)
     {
+      if (my_realloc_str(net, 2 * stmt->param_count))
+      {
+        set_stmt_error(stmt, net->last_errno, unknown_sqlstate);
+        DBUG_RETURN(1);
+      }
       /*
 	Store types of parameters in first in first package
 	that is sent to the server.

mysql-test/r/group_by.result

@@ -629,3 +629,12 @@ explain SELECT i, COUNT(DISTINCT(i)) FROM t1 GROUP BY j ORDER BY NULL;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	6	Using filesort
 DROP TABLE t1;
+create table t1 ( col1 int, col2 int );
+insert into t1 values (1,1),(1,2),(1,3),(2,1),(2,2);
+select group_concat( distinct col1 ) as alias from t1
+group by col2 having alias like '%';
+alias
+1,2
+1,2
+1
+drop table t1;

mysql-test/r/subselect_innodb.result

@@ -106,3 +106,11 @@ a	b
 2	12
 4	105
 drop table t1, t2;
+CREATE TABLE `t1` ( `unit` varchar(50) NOT NULL default '', `ingredient` varchar(50) NOT NULL default '') ENGINE=InnoDB DEFAULT CHARSET=latin1;
+CREATE TABLE `t2` ( `ingredient` varchar(50) NOT NULL default '', `unit` varchar(50) NOT NULL default '', PRIMARY KEY (ingredient, unit)) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+INSERT INTO `t1` VALUES ('xx','yy');
+INSERT INTO `t2` VALUES ('yy','xx');
+SELECT R.unit, R.ingredient FROM t1 R WHERE R.ingredient IN (SELECT N.ingredient FROM t2 N WHERE N.unit = R.unit);
+unit	ingredient
+xx	yy
+drop table t1, t2;

mysql-test/t/group_by.test

@@ -456,3 +456,12 @@ INSERT INTO t1 VALUES (1,2),(2,3),(4,5),(3,5),(1,5),(23,5);
 SELECT i, COUNT(DISTINCT(i)) FROM t1 GROUP BY j ORDER BY NULL;
 explain SELECT i, COUNT(DISTINCT(i)) FROM t1 GROUP BY j ORDER BY NULL;
 DROP TABLE t1;
+
+# Test for BUG#5400: GROUP_CONCAT returns everything twice.
+create table t1 ( col1 int, col2 int );
+insert into t1 values (1,1),(1,2),(1,3),(2,1),(2,2);
+select group_concat( distinct col1 ) as alias from t1
+  group by col2 having alias like '%';
+
+drop table t1;
+

mysql-test/t/subselect_innodb.test

@@ -111,3 +111,17 @@ create table t2 (a int) engine=innodb;
 insert into t2 values (1),(2),(3),(4);
 select a, sum(b) as b from t1 group by a having b > (select max(a) from t2);
 drop table t1, t2;
+
+#
+# bug #5220 test suite
+#
+CREATE TABLE `t1` ( `unit` varchar(50) NOT NULL default '', `ingredient` varchar(50) NOT NULL default '') ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+CREATE TABLE `t2` ( `ingredient` varchar(50) NOT NULL default '', `unit` varchar(50) NOT NULL default '', PRIMARY KEY (ingredient, unit)) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+INSERT INTO `t1` VALUES ('xx','yy');
+INSERT INTO `t2` VALUES ('yy','xx');
+
+SELECT R.unit, R.ingredient FROM t1 R WHERE R.ingredient IN (SELECT N.ingredient FROM t2 N WHERE N.unit = R.unit);
+
+drop table t1, t2;

sql-common/client.c

@@ -1615,7 +1615,7 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
       sock=0;
       unix_socket = 0;
       host=mysql->options.shared_memory_base_name;
-      host_info=(char*) ER(CR_SHARED_MEMORY_CONNECTION);
+      sprintf(host_info=buff, ER(CR_SHARED_MEMORY_CONNECTION), host);
     }
   }
 #endif /* HAVE_SMEM */
@@ -1679,8 +1679,7 @@ CLI_MYSQL_REAL_CONNECT(MYSQL *mysql,const char *host, const char *user,
     else
     {
       net->vio=vio_new_win32pipe(hPipe);
-      sprintf(host_info=buff, ER(CR_NAMEDPIPE_CONNECTION), host,
-	      unix_socket);
+      sprintf(host_info=buff, ER(CR_NAMEDPIPE_CONNECTION), unix_socket);
     }
   }
 #endif

sql/item_sum.cc

@@ -2121,6 +2121,8 @@ String* Item_func_group_concat::val_str(String* str)
   DBUG_ASSERT(fixed == 1);
   if (null_value)
     return 0;
+  if (result.length())
+    return &result;
   if (tree_mode)
   {
     tree_walk(tree, (tree_walk_action)&dump_leaf_key, (void*)this,

sql/log.cc

@@ -1994,7 +1994,7 @@ void print_buffer_to_file(enum loglevel level, const char *buffer)
           start->tm_min,
           start->tm_sec,
           (level == ERROR_LEVEL ? "ERROR" : level == WARNING_LEVEL ?
-           "WARNING" : "INFORMATION"),
+           "WARNING" : "NOTE"),
           buffer);
 
   fflush(stderr);

sql/net_serv.cc

@@ -193,9 +193,7 @@ my_bool net_realloc(NET *net, ulong length)
   {
     net->error= 1;
     net->report_error= 1;
-#ifdef MYSQL_SERVER
     net->last_errno= ER_OUT_OF_RESOURCES;
-#endif
     DBUG_RETURN(1);
   }
   net->buff=net->write_pos=buff;

sql/sql_prepare.cc

@@ -1475,8 +1475,16 @@ error:
 static bool init_param_array(Prepared_statement *stmt)
 {
   LEX *lex= stmt->lex;
+  THD *thd= stmt->thd;
   if ((stmt->param_count= lex->param_list.elements))
   {
+    if (stmt->param_count > (uint) UINT_MAX16)
+    {
+      /* Error code to be defined in 5.0 */
+      send_error(thd, ER_UNKNOWN_ERROR,
+                 "Prepared statement contains too many placeholders.");
+      return 1;
+    }
     Item_param **to;
     List_iterator<Item_param> param_iterator(lex->param_list);
     /* Use thd->mem_root as it points at statement mem_root */
@@ -1485,7 +1493,7 @@ static bool init_param_array(Prepared_statement *stmt)
                                   sizeof(Item_param*) * stmt->param_count);
     if (!stmt->param_array)
     {
-      send_error(stmt->thd, ER_OUT_OF_RESOURCES);
+      send_error(thd, ER_OUT_OF_RESOURCES);
       return 1;
     }
     for (to= stmt->param_array;