Merge mysql.com:/home/jonas/src/mysql-4.1

into mysql.com:/home/jonas/src/mysql-4.1-ndb

Build-tools/Do-compile

@@ -10,12 +10,13 @@ use Sys::Hostname;
 $opt_distribution=$opt_user=$opt_config_env=$opt_config_extra_env="";
 $opt_dbd_options=$opt_perl_options=$opt_config_options=$opt_make_options=$opt_suffix="";
 $opt_tmp=$opt_version_suffix="";
-$opt_help=$opt_delete=$opt_debug=$opt_stage=$opt_no_test=$opt_no_perl=$opt_with_low_memory=$opt_fast_benchmark=$opt_static_client=$opt_static_server=$opt_static_perl=$opt_sur=$opt_with_small_disk=$opt_local_perl=$opt_tcpip=$opt_build_thread=$opt_use_old_distribution=$opt_enable_shared=$opt_no_crash_me=$opt_no_strip=$opt_with_cluster=$opt_with_debug=$opt_no_benchmark=$opt_no_mysqltest=$opt_without_embedded=$opt_readline=0;
+$opt_bundled_zlib=$opt_help=$opt_delete=$opt_debug=$opt_stage=$opt_no_test=$opt_no_perl=$opt_with_low_memory=$opt_fast_benchmark=$opt_static_client=$opt_static_server=$opt_static_perl=$opt_sur=$opt_with_small_disk=$opt_local_perl=$opt_tcpip=$opt_build_thread=$opt_use_old_distribution=$opt_enable_shared=$opt_no_crash_me=$opt_no_strip=$opt_with_cluster=$opt_with_debug=$opt_no_benchmark=$opt_no_mysqltest=$opt_without_embedded=$opt_readline=0;
 $opt_innodb=$opt_bdb=$opt_raid=$opt_libwrap=$opt_clearlogs=0;
 
 GetOptions(
 	"bdb",
 	"build-thread=i",
+	"bundled-zlib",
 	"config-env=s" => \@config_env,
 	"config-extra-env=s" => \@config_extra_env,
 	"config-options=s" => \@config_options,
@@ -255,6 +256,7 @@ if ($opt_stage <= 1)
   log_system("$make clean") if ($opt_use_old_distribution);
   $opt_config_options.= " --disable-shared" if (!$opt_enable_shared); # Default for binary versions
   $opt_config_options.= " --with-berkeley-db" if ($opt_bdb);
+  $opt_config_options.= " --with-zlib-dir=bundled" if ($opt_bundled_zlib);
   $opt_config_options.= " --with-client-ldflags=-all-static" if ($opt_static_client);
 	$opt_config_options.= " --with-debug" if ($opt_with_debug);
   $opt_config_options.= " --with-libwrap" if ($opt_libwrap);

mysql-test/r/join.result

@@ -283,6 +283,12 @@ ID	Value1	Value2
 SELECT * FROM t1 NATURAL JOIN t2 WHERE (Value1 = 'A' AND Value2 <> 'B') AND 1;
 ID	Value1	Value2
 drop table t1,t2;
+CREATE TABLE t1 (a int);
+CREATE TABLE t2 (b int);
+CREATE TABLE t3 (c int);
+SELECT * FROM t1 NATURAL JOIN t2 NATURAL JOIN t3;
+a	b	c
+DROP TABLE t1, t2, t3;
 create table t1 (i int);
 create table t2 (i int);
 create table t3 (i int);

mysql-test/t/join.test

@@ -284,6 +284,16 @@ SELECT * FROM t1 NATURAL JOIN t2 WHERE 1 AND Value1 = 'A' AND Value2 <> 'B';
 SELECT * FROM t1 NATURAL JOIN t2 WHERE (Value1 = 'A' AND Value2 <> 'B') AND 1;
 drop table t1,t2;
 
+#
+# dummy natural join (no common columns) Bug #4807
+#
+
+CREATE TABLE t1 (a int);
+CREATE TABLE t2 (b int);
+CREATE TABLE t3 (c int);
+SELECT * FROM t1 NATURAL JOIN t2 NATURAL JOIN t3;
+DROP TABLE t1, t2, t3;
+
 #
 # Test combination of join methods
 #

sql-common/my_time.c

@@ -680,12 +680,12 @@ my_system_gmt_sec(const MYSQL_TIME *t, long *my_timezone, bool *in_dst_time_gap)
     /* Get difference in days */
     int days= t->day - l_time->tm_mday;
     if (days < -1)
-      days= 1;					// Month has wrapped
+      days= 1;					/* Month has wrapped */
     else if (days > 1)
       days= -1;
     diff=(3600L*(long) (days*24+((int) t->hour - (int) l_time->tm_hour)) +
 	  (long) (60*((int) t->minute - (int) l_time->tm_min)));
-    current_timezone+= diff+3600;		// Compensate for -3600 above
+    current_timezone+= diff+3600;		/* Compensate for -3600 above */
     tmp+= (time_t) diff;
     localtime_r(&tmp,&tm_tmp);
     l_time=&tm_tmp;
@@ -698,15 +698,15 @@ my_system_gmt_sec(const MYSQL_TIME *t, long *my_timezone, bool *in_dst_time_gap)
   {
     int days= t->day - l_time->tm_mday;
     if (days < -1)
-      days=1;					// Month has wrapped
+      days=1;					/* Month has wrapped */
     else if (days > 1)
       days= -1;
     diff=(3600L*(long) (days*24+((int) t->hour - (int) l_time->tm_hour))+
 	  (long) (60*((int) t->minute - (int) l_time->tm_min)));
     if (diff == 3600)
-      tmp+=3600 - t->minute*60 - t->second;	// Move to next hour
+      tmp+=3600 - t->minute*60 - t->second;	/* Move to next hour */
     else if (diff == -3600)
-      tmp-=t->minute*60 + t->second;		// Move to previous hour
+      tmp-=t->minute*60 + t->second;		/* Move to previous hour */
 
     *in_dst_time_gap= 1;
   }

sql/sql_acl.cc

@@ -1149,7 +1149,7 @@ bool check_change_password(THD *thd, const char *host, const char *user,
     return(1);
   }
   uint len=strlen(new_password);
-  if (len != SCRAMBLED_PASSWORD_CHAR_LENGTH &&
+  if (len && len != SCRAMBLED_PASSWORD_CHAR_LENGTH &&
       len != SCRAMBLED_PASSWORD_CHAR_LENGTH_323)
   {
     net_printf(thd, 0,

sql/sql_base.cc

@@ -2522,29 +2522,32 @@ int setup_conds(THD *thd,TABLE_LIST *tables,COND **conds)
       // to prevent natural join processing during PS re-execution
       table->natural_join= 0;
 
-      if (!table->outer_join)			// Not left join
+      if (cond_and->list.elements)
       {
-	*conds= and_conds(*conds, cond_and);
-	// fix_fields() should be made with temporary memory pool
-	if (stmt)
-	  thd->restore_backup_item_arena(stmt, &backup);
-	if (*conds && !(*conds)->fixed)
-	{
-	  if ((*conds)->fix_fields(thd, tables, conds))
-	    DBUG_RETURN(1);
-	}
-      }
-      else
-      {
-	table->on_expr= and_conds(table->on_expr, cond_and);
-	// fix_fields() should be made with temporary memory pool
-	if (stmt)
-	  thd->restore_backup_item_arena(stmt, &backup);
-	if (table->on_expr && !table->on_expr->fixed)
-	{
-	  if (table->on_expr->fix_fields(thd, tables, &table->on_expr))
-	   DBUG_RETURN(1);
-	}
+        if (!table->outer_join)			// Not left join
+        {
+          *conds= and_conds(*conds, cond_and);
+          // fix_fields() should be made with temporary memory pool
+          if (stmt)
+            thd->restore_backup_item_arena(stmt, &backup);
+          if (*conds && !(*conds)->fixed)
+          {
+            if ((*conds)->fix_fields(thd, tables, conds))
+              DBUG_RETURN(1);
+          }
+        }
+        else
+        {
+          table->on_expr= and_conds(table->on_expr, cond_and);
+          // fix_fields() should be made with temporary memory pool
+          if (stmt)
+            thd->restore_backup_item_arena(stmt, &backup);
+          if (table->on_expr && !table->on_expr->fixed)
+          {
+            if (table->on_expr->fix_fields(thd, tables, &table->on_expr))
+             DBUG_RETURN(1);
+          }
+        }
       }
     }
   }