Merge ua141d10.elisa.omakaista.fi:/home/my/bk/mysql-4.1

into  ua141d10.elisa.omakaista.fi:/home/my/bk/mysql-5.0


client/mysqlimport.c:
  Auto merged
include/config-netware.h:
  Auto merged
innobase/os/os0thread.c:
  Auto merged
netware/mysqld_safe.c:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/mysqld.cc:
  Merged from 4.1.
sql/sql_base.cc:
  Merged from 4.1.
sql/sql_handler.cc:
  Merged from 4.1.
sql/sql_select.cc:
  Merged from 4.1.

include/config-netware.h

@@ -95,6 +95,9 @@ extern "C" {
 /* On NetWare, stack grows towards lower address*/
 #define STACK_DIRECTION -1
 
+/* On NetWare, we need to set stack size for threads, otherwise default 16K is used */
+#define NW_THD_STACKSIZE 65536
+
 /* On NetWare, to fix the problem with the deletion of open files */
 #define CANT_DELETE_OPEN_FILES 1
 

innobase/os/os0thread.c

@@ -147,6 +147,15 @@ os_thread_create(
           "InnoDB: Error: pthread_attr_setstacksize returned %d\n", ret);
 		 exit(1);
 	}
+#endif
+#ifdef __NETWARE__
+	ret = pthread_attr_setstacksize(&attr,
+					(size_t) NW_THD_STACKSIZE);
+        if (ret) {
+	         fprintf(stderr,
+          "InnoDB: Error: pthread_attr_setstacksize returned %d\n", ret);
+		 exit(1);
+	}
 #endif
 	os_mutex_enter(os_sync_mutex);
 	os_thread_count++;

sql/mysqld.cc

@@ -3322,6 +3322,11 @@ int main(int argc, char **argv)
     }
   }
 #endif
+#ifdef __NETWARE__
+  /* Increasing stacksize of threads on NetWare */
+  
+  pthread_attr_setstacksize(&connection_attrib, NW_THD_STACKSIZE);
+#endif
 
   (void) thr_setconcurrency(concurrency);	// 10 by default
 

sql/sql_base.cc

@@ -1388,10 +1388,20 @@ TABLE *find_locked_table(THD *thd, const char *db,const char *table_name)
 
 
 /****************************************************************************
-** Reopen an table because the definition has changed. The date file for the
-** table is already closed.
-** Returns 0 if ok.
-** If table can't be reopened, the entry is unchanged.
+  Reopen an table because the definition has changed. The date file for the
+  table is already closed.
+
+  SYNOPSIS
+    reopen_table()
+    table		Table to be opened
+    locked		1 if we have already a lock on LOCK_open
+
+  NOTES
+    table->query_id will be 0 if table was reopened
+
+  RETURN
+    0  ok
+    1  error ('table' is unchanged if table couldn't be reopened)
 ****************************************************************************/
 
 bool reopen_table(TABLE *table,bool locked)
@@ -1464,8 +1474,10 @@ bool reopen_table(TABLE *table,bool locked)
     (*field)->table_name= &table->alias;
   }
   for (key=0 ; key < table->s->keys ; key++)
+  {
     for (part=0 ; part < table->key_info[key].usable_key_parts ; part++)
       table->key_info[key].key_part[part].field->table= table;
+  }
   if (table->triggers)
     table->triggers->set_table(table);
 

sql/sql_handler.cc

@@ -423,7 +423,13 @@ bool mysql_ha_read(THD *thd, TABLE_LIST *tables,
 
   if (cond && ((!cond->fixed &&
                 cond->fix_fields(thd, &cond)) || cond->check_cols(1)))
+  {
+    if (table->query_id != thd->query_id)
+      cond->cleanup();                          // File was reopened
+    if ((!cond->fixed &&
+	 cond->fix_fields(thd, tables, &cond)) || cond->check_cols(1))
       goto err0;
+  }
 
   if (keyname)
   {

sql/sql_select.cc

@@ -8614,6 +8614,11 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
         have null
       */
       hidden_null_count=null_count;
+      /*
+	We need to update hidden_field_count as we may have stored group
+	functions with constant arguments
+      */
+      param->hidden_field_count= (uint) (reg_field - table->field);
       null_count= 0;
     }
   }
@@ -8833,7 +8838,7 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List<Item> &fields,
     }
   }
 
-  if (distinct)
+  if (distinct && field_count != param->hidden_field_count)
   {
     /*
       Create an unique key or an unique constraint over all columns