Merge trift2.:/MySQL/M41/mysql-4.1

into  trift2.:/MySQL/M41/push-4.1

mysql-test/r/ndb_index_unique.result

@@ -133,6 +133,21 @@ a	b	c
 6	7	2
 7	8	3
 8	2	3
+create unique index bi using hash on t2(b);
+insert into t2 values(9, 3, 1);
+ERROR 23000: Duplicate entry '' for key 0
+alter table t2 drop index bi;
+insert into t2 values(9, 3, 1);
+select * from t2 order by a;
+a	b	c
+2	3	5
+3	4	6
+4	5	8
+5	6	2
+6	7	2
+7	8	3
+8	2	3
+9	3	1
 drop table t2;
 CREATE TABLE t2 (
 a int unsigned NOT NULL PRIMARY KEY,

mysql-test/r/subselect.result

@@ -3026,3 +3026,77 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	2	
 2	SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE
 DROP TABLE t1;
+CREATE TABLE t1 (a int);
+INSERT INTO t1 VALUES (2), (4), (1), (3);
+CREATE TABLE t2 (b int, c int);
+INSERT INTO t2 VALUES
+(2,1), (1,3), (2,1), (4,4), (2,2), (1,4);
+SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2 );
+a
+2
+4
+1
+3
+SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1);
+ERROR 21000: Subquery returns more than 1 row
+SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2), a;
+a
+1
+2
+3
+4
+SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1), a;
+ERROR 21000: Subquery returns more than 1 row
+SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 2);
+b	MAX(c)
+1	4
+2	2
+4	4
+SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 1);
+ERROR 21000: Subquery returns more than 1 row
+SELECT a FROM t1 GROUP BY a
+HAVING IFNULL((SELECT b FROM t2 WHERE b > 2),
+(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
+a
+1
+2
+3
+4
+SELECT a FROM t1 GROUP BY a
+HAVING IFNULL((SELECT b FROM t2 WHERE b > 1),
+(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
+ERROR 21000: Subquery returns more than 1 row
+SELECT a FROM t1 GROUP BY a
+HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),
+(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
+a
+4
+SELECT a FROM t1 GROUP BY a
+HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),
+(SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b)) > 3;
+ERROR 21000: Subquery returns more than 1 row
+SELECT a FROM t1 
+ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 2),
+(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
+a
+2
+4
+1
+3
+SELECT a FROM t1 
+ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 1),
+(SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));
+ERROR 21000: Subquery returns more than 1 row
+SELECT a FROM t1 
+ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),
+(SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
+a
+2
+1
+3
+4
+SELECT a FROM t1 
+ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),
+(SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));
+ERROR 21000: Subquery returns more than 1 row
+DROP TABLE t1,t2;

mysql-test/t/ndb_index_unique.test

@@ -83,6 +83,14 @@ delete from t2 where a = 1;
 insert into t2 values(8, 2, 3);
 select * from t2 order by a;
 
+# Bug #24818 CREATE UNIQUE INDEX (...) USING HASH on a NDB table crashes mysqld
+create unique index bi using hash on t2(b);
+-- error 1062
+insert into t2 values(9, 3, 1);
+alter table t2 drop index bi;
+insert into t2 values(9, 3, 1);
+select * from t2 order by a;
+
 drop table t2;
 
 -- error 1121

mysql-test/t/subselect.test

@@ -1993,4 +1993,63 @@ SELECT a FROM t1 WHERE (SELECT 1 FROM DUAL WHERE 1=0) IS NULL;
 EXPLAIN SELECT a FROM t1 WHERE (SELECT 1 FROM DUAL WHERE 1=0) IS NULL;
 
 DROP TABLE t1;
+
+#
+# Bug 24653: sorting by expressions containing subselects 
+#            that return more than one row
+#
+
+CREATE TABLE t1 (a int);
+INSERT INTO t1 VALUES (2), (4), (1), (3);
+
+CREATE TABLE t2 (b int, c int);
+INSERT INTO t2 VALUES
+  (2,1), (1,3), (2,1), (4,4), (2,2), (1,4);
+
+SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2 );
+--error 1242   
+SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1);  
+SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 2), a;  
+--error 1242   
+SELECT a FROM t1 ORDER BY (SELECT c FROM t2 WHERE b > 1), a;
+ 
+SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 2);
+--error 1242
+SELECT b, MAX(c) FROM t2 GROUP BY b, (SELECT c FROM t2 WHERE b > 1);
+
+
+SELECT a FROM t1 GROUP BY a
+  HAVING IFNULL((SELECT b FROM t2 WHERE b > 2),
+                (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
+--error 1242
+SELECT a FROM t1 GROUP BY a
+  HAVING IFNULL((SELECT b FROM t2 WHERE b > 1),
+                (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
+
+SELECT a FROM t1 GROUP BY a
+  HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),
+                (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b)) > 3;
+--error 1242 
+SELECT a FROM t1 GROUP BY a
+  HAVING IFNULL((SELECT b FROM t2 WHERE b > 4),
+                (SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b)) > 3;
+
+SELECT a FROM t1 
+  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 2),
+                  (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
+--error 1242
+SELECT a FROM t1 
+  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 1),
+                  (SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));
+
+SELECT a FROM t1 
+  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),
+                  (SELECT c FROM t2 WHERE c=a AND b > 2 ORDER BY b));
+--error 1242
+SELECT a FROM t1 
+  ORDER BY IFNULL((SELECT b FROM t2 WHERE b > 4),
+                  (SELECT c FROM t2 WHERE c=a AND b > 1 ORDER BY b));
+
+DROP TABLE t1,t2; 
+
 # End of 4.1 tests

ndb/src/common/util/File.cpp

@@ -123,13 +123,25 @@ bool
 File_class::close()
 {
   bool rc = true;
+  int retval = 0;
+
   if (m_file != NULL)
   { 
     ::fflush(m_file);
-    rc = (::fclose(m_file) == 0 ? true : false);
-    m_file = NULL; // Try again?
+    retval = ::fclose(m_file);
+    while ( (retval != 0) && (errno == EINTR) ){
+      retval = ::fclose(m_file);
+    }
+    if( retval == 0){
+      rc = true;
+    }
+    else {
+      rc = false;
+      ndbout_c("ERROR: Close file error in File.cpp for %s",strerror(errno));
+    }
   }  
-  
+  m_file = NULL;  
+
   return rc;
 }
 

ndb/src/kernel/vm/SimulatedBlock.cpp

@@ -658,24 +658,26 @@ SimulatedBlock::allocRecord(const char * type, size_t s, size_t n, bool clear)
 
   void * p = NULL;
   size_t size = n*s;
+  Uint64 real_size = (Uint64)((Uint64)n)*((Uint64)s);
   refresh_watch_dog(); 
-  if (size > 0){
+  if (real_size > 0){
 #ifdef VM_TRACE_MEM
-    ndbout_c("%s::allocRecord(%s, %u, %u) = %u bytes", 
+    ndbout_c("%s::allocRecord(%s, %u, %u) = %llu bytes", 
 	     getBlockName(number()), 
 	     type,
 	     s,
 	     n,
-	     size);
+	     real_size);
 #endif
-    p = NdbMem_Allocate(size);
+    if( real_size == (Uint64)size )
+      p = NdbMem_Allocate(size);
     if (p == NULL){
       char buf1[255];
       char buf2[255];
       BaseString::snprintf(buf1, sizeof(buf1), "%s could not allocate memory for %s", 
 	       getBlockName(number()), type);
-      BaseString::snprintf(buf2, sizeof(buf2), "Requested: %ux%u = %u bytes", 
-	       (Uint32)s, (Uint32)n, (Uint32)size);
+      BaseString::snprintf(buf2, sizeof(buf2), "Requested: %ux%u = %llu bytes", 
+	       (Uint32)s, (Uint32)n, (Uint64)real_size);
       ERROR_SET(fatal, ERR_MEMALLOC, buf1, buf2);
     }
 

ndb/src/mgmclient/CommandInterpreter.cpp

@@ -1627,6 +1627,18 @@ CommandInterpreter::executeStatus(int processId,
     ndbout << processId << ": Node not found" << endl;
     return -1;
   }
+  if (cl->node_states[i].node_type != NDB_MGM_NODE_TYPE_NDB){
+    if (cl->node_states[i].version != 0){
+      ndbout << "Node "<< cl->node_states[i].node_id <<": connected" ;
+      ndbout_c(" (Version %d.%d.%d)",
+             getMajor(version) ,
+             getMinor(version),
+             getBuild(version));
+
+    }else
+     ndbout << "Node "<< cl->node_states[i].node_id <<": not connected" << endl;
+    return 0;
+  } 
   status = cl->node_states[i].node_status;
   startPhase = cl->node_states[i].start_phase;
   version = cl->node_states[i].version;

sql/filesort.cc

@@ -387,7 +387,8 @@ static ha_rows find_all_keys(SORTPARAM *param, SQL_SELECT *select,
   byte *ref_pos,*next_pos,ref_buff[MAX_REFLENGTH];
   my_off_t record;
   TABLE *sort_form;
-  volatile my_bool *killed= &current_thd->killed;
+  THD *thd= current_thd;
+  volatile my_bool *killed= &thd->killed;
   handler *file;
   DBUG_ENTER("find_all_keys");
   DBUG_PRINT("info",("using: %s",(select?select->quick?"ranges":"where":"every row")));
@@ -474,6 +475,9 @@ static ha_rows find_all_keys(SORTPARAM *param, SQL_SELECT *select,
     }
     else
       file->unlock_row();
+    /* It does not make sense to read more keys in case of a fatal error */
+    if (thd->net.report_error)
+      DBUG_RETURN(HA_POS_ERROR);
   }
   (void) file->extra(HA_EXTRA_NO_CACHE);	/* End cacheing of records */
   if (!next_pos)

sql/item.cc

@@ -47,6 +47,7 @@ Item::Item():
   collation.set(&my_charset_bin, DERIVATION_COERCIBLE);
   name= 0;
   decimals= 0; max_length= 0;
+  with_subselect= 0;
 
   /* Put item in free list so that we can free all items at end */
   THD *thd= current_thd;

sql/item.h

@@ -142,6 +142,9 @@ class Item {
   my_bool with_sum_func;
   my_bool fixed;                        /* If item fixed with fix_fields */
   DTCollation collation;
+  my_bool with_subselect;               /* If this item is a subselect or some
+                                           of its arguments is or contains a
+                                           subselect */
 
   // alloc & destruct is done as start of select using sql_alloc
   Item();

sql/item_cmpfunc.cc

@@ -2139,6 +2139,7 @@ Item_cond::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
     and_tables_cache&=      tmp_table_map;
     const_item_cache&=	    item->const_item();
     with_sum_func=	    with_sum_func || item->with_sum_func;
+    with_subselect|=        item->with_subselect;
     if (item->maybe_null)
       maybe_null=1;
   }
@@ -2351,7 +2352,7 @@ longlong Item_func_isnull::val_int()
     Handle optimization if the argument can't be null
     This has to be here because of the test in update_used_tables().
   */
-  if (!used_tables_cache)
+  if (!used_tables_cache && !with_subselect)
     return cached_value;
   return args[0]->is_null() ? 1: 0;
 }
@@ -2360,7 +2361,7 @@ longlong Item_is_not_null_test::val_int()
 {
   DBUG_ASSERT(fixed == 1);
   DBUG_ENTER("Item_is_not_null_test::val_int");
-  if (!used_tables_cache)
+  if (!used_tables_cache && !with_subselect)
   {
     owner->was_null|= (!cached_value);
     DBUG_PRINT("info", ("cached :%d", cached_value));
@@ -2387,7 +2388,7 @@ void Item_is_not_null_test::update_used_tables()
   else
   {
     args[0]->update_used_tables();
-    if (!(used_tables_cache=args[0]->used_tables()))
+    if (!(used_tables_cache=args[0]->used_tables()) && !with_subselect)
     {
       /* Remember if the value is always NULL or never NULL */
       cached_value= (longlong) !args[0]->is_null();

sql/item_cmpfunc.h

@@ -843,7 +843,8 @@ class Item_func_isnull :public Item_bool_func
     else
     {
       args[0]->update_used_tables();
-      if ((const_item_cache= !(used_tables_cache= args[0]->used_tables())))
+      if ((const_item_cache= !(used_tables_cache= args[0]->used_tables())) &&
+           !with_subselect)
       {
 	/* Remember if the value is always NULL or never NULL */
 	cached_value= (longlong) args[0]->is_null();

sql/item_func.cc

@@ -177,6 +177,7 @@ Item_func::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
       used_tables_cache|=     item->used_tables();
       not_null_tables_cache|= item->not_null_tables();
       const_item_cache&=      item->const_item();
+      with_subselect|=        item->with_subselect;
     }
   }
   fix_length_and_dec();

sql/item_subselect.cc

@@ -39,6 +39,7 @@ Item_subselect::Item_subselect():
   engine(0), old_engine(0), used_tables_cache(0), have_to_be_excluded(0),
   const_item_cache(1), engine_changed(0), changed(0)
 {
+  with_subselect= 1;
   reset();
   /*
     item value is NULL if select_subselect not changed this value
@@ -201,6 +202,9 @@ bool Item_subselect::exec()
     mem root
   */
   thd->mem_root= &thd->main_mem_root;
+  if (thd->net.report_error)
+  /* Do not execute subselect in case of a fatal error */
+    return 1;
   res= engine->exec();
   thd->mem_root= old_root;
 

sql/opt_sum.cc

@@ -68,9 +68,9 @@ static int maxmin_in_range(bool max_fl, Field* field, COND *cond);
     GROUP BY part.
 
   RETURN VALUES
-    0 No errors
-    1 if all items were resolved
-   -1 on impossible conditions
+    0                    no errors
+    1                    if all items were resolved
+    HA_ERR_KEY_NOT_FOUND on impossible conditions
     OR an error number from my_base.h HA_ERR_... if a deadlock or a lock
        wait timeout happens, for example
 */
@@ -216,7 +216,7 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
           if (error)
 	  {
 	    if (error == HA_ERR_KEY_NOT_FOUND || error == HA_ERR_END_OF_FILE)
-	      return -1;		       // No rows matching WHERE
+	      return HA_ERR_KEY_NOT_FOUND;	      // No rows matching WHERE
 	    /* HA_ERR_LOCK_DEADLOCK or some other error */
  	    table->file->print_error(error, MYF(0));
             return(error);
@@ -303,7 +303,7 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
           if (error)
           {
 	    if (error == HA_ERR_KEY_NOT_FOUND || error == HA_ERR_END_OF_FILE)
-	      return -1;		       // No rows matching WHERE
+	      return HA_ERR_KEY_NOT_FOUND;	     // No rows matching WHERE
 	    /* HA_ERR_LOCK_DEADLOCK or some other error */
  	    table->file->print_error(error, MYF(0));
             return(error);

sql/sql_select.cc

@@ -531,23 +531,25 @@ JOIN::optimize()
   {
     int res;
     /*
-      opt_sum_query() returns -1 if no rows match to the WHERE conditions,
-      or 1 if all items were resolved, or 0, or an error number HA_ERR_...
+      opt_sum_query() returns HA_ERR_KEY_NOT_FOUND if no rows match
+      to the WHERE conditions,
+      or 1 if all items were resolved,
+      or 0, or an error number HA_ERR_...
     */
     if ((res=opt_sum_query(tables_list, all_fields, conds)))
     {
+      if (res == HA_ERR_KEY_NOT_FOUND)
+      {
+	zero_result_cause= "No matching min/max row";
+	error=0;
+	DBUG_RETURN(0);
+      }
       if (res > 1)
       {
         thd->fatal_error();
         error= res;
 	DBUG_RETURN(1);
       }
-      if (res < 0)
-      {
-	zero_result_cause= "No matching min/max row";
-	error=0;
-	DBUG_RETURN(0);
-      }
       zero_result_cause= "Select tables optimized away";
       tables_list= 0;				// All tables resolved
       /*
@@ -644,6 +646,13 @@ JOIN::optimize()
   {
     ORDER *org_order= order;
     order=remove_const(this, order,conds,1, &simple_order);
+    if (thd->net.report_error)
+    {
+      error= 1;
+      DBUG_PRINT("error",("Error from remove_const"));
+      DBUG_RETURN(1);
+    }
+
     /*
       If we are using ORDER BY NULL or ORDER BY const_expression,
       return result in any order (even if we are using a GROUP BY)
@@ -747,6 +756,12 @@ JOIN::optimize()
     group_list= remove_const(this, (old_group_list= group_list), conds,
                              rollup.state == ROLLUP::STATE_NONE,
 			     &simple_group);
+    if (thd->net.report_error)
+    {
+      error= 1;
+      DBUG_PRINT("error",("Error from remove_const"));
+      DBUG_RETURN(1);
+    }
     if (old_group_list && !group_list)
       select_distinct= 0;
   }
@@ -763,6 +778,12 @@ JOIN::optimize()
   {
     group_list= procedure->group= remove_const(this, procedure->group, conds,
 					       1, &simple_group);
+    if (thd->net.report_error)
+    {
+      error= 1;
+      DBUG_PRINT("error",("Error from remove_const"));
+      DBUG_RETURN(1);
+    }   
     calc_group_buffer(this, group_list);
   }
 
@@ -4428,6 +4449,8 @@ remove_const(JOIN *join,ORDER *first_order, COND *cond,
       *simple_order=0;				// Must do a temp table to sort
     else if (!(order_tables & not_const_tables))
     {
+      if (order->item[0]->with_subselect)
+        order->item[0]->val_str(&order->item[0]->str_value);
       DBUG_PRINT("info",("removing: %s", order->item[0]->full_name()));
       continue;					// skip const item
     }