Merge mysql.com:/home/my/mysql-5.0

into  mysql.com:/home/my/mysql-5.1

mysql-test/lib/mtr_report.pl

@@ -157,6 +157,7 @@ sub mtr_report_stats ($) {
   my $tot_passed= 0;
   my $tot_failed= 0;
   my $tot_tests=  0;
+  my $found_problems= 0;            # Some warnings are errors...
 
   foreach my $tinfo (@$tests)
   {
@@ -214,8 +215,6 @@ sub mtr_report_stats ($) {
     }
     else
     {
-      my $found_problems= 0;            # Some warnings are errors...
-
       # We report different types of problems in order
       foreach my $pattern ( "^Warning:", "^Error:", "^==.* at 0x",
 			    "InnoDB: Warning", "missing DBUG_RETURN",
@@ -268,6 +267,9 @@ sub mtr_report_stats ($) {
       }
     }
     print "\n";
+  }
+  if ( $tot_failed != 0 || $found_problems)
+  {
     mtr_error("there where failing test cases");
   }
 }

mysql-test/mysql-test-run.sh

@@ -205,6 +205,7 @@ TOT_SKIP=0
 TOT_PASS=0
 TOT_FAIL=0
 TOT_TEST=0
+GOT_WARNINGS=0
 USERT=0
 SYST=0
 REALT=0
@@ -1077,17 +1078,16 @@ report_stats () {
         | $SED -e 's!Warning:  Table:.* on rename!!g' \
         > $MY_LOG_DIR/warnings.tmp
 
-    found_error=0
     # Find errors
     for i in "^Warning:" "^Error:" "^==.* at 0x" "InnoDB: Warning" "missing DBUG_RETURN" "mysqld: Warning"
     do
       if $GREP "$i" $MY_LOG_DIR/warnings.tmp >> $MY_LOG_DIR/warnings
       then
-        found_error=1
+        GOT_WARNINGS=1
       fi
     done
     $RM -f $MY_LOG_DIR/warnings.tmp
-    if [ $found_error = "1" ]
+    if [ $GOT_WARNINGS = "1" ]
     then
       echo "WARNING: Got errors/warnings while running tests. Please examine"
       echo "$MY_LOG_DIR/warnings for details."
@@ -2300,6 +2300,8 @@ if [ $TOT_FAIL -ne 0 ]; then
   $ECHO "mysql-test-run in $TEST_MODE mode: *** Failing the test(s):$FAILED_CASES"
   $ECHO
   exit 1
-else
-  exit 0
 fi
+if [ $GOT_WARNINGS -ne 0 ]; then
+  exit 1
+fi
+exit 0

mysql-test/r/delete.result

@@ -186,8 +186,8 @@ a	b	a	b	a	b
 explain select * from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	3	
-1	SIMPLE	t2	index	PRIMARY	PRIMARY	8	NULL	3	Using where; Using index
-1	SIMPLE	t3	index	PRIMARY	PRIMARY	8	NULL	3	Using where; Using index
+1	SIMPLE	t2	ref	PRIMARY	PRIMARY	4	test.t1.a	1	Using index
+1	SIMPLE	t3	eq_ref	PRIMARY	PRIMARY	8	test.t2.b,test.t1.b	1	Using index
 delete t2.*,t3.* from t1,t2,t3 where t1.a=t2.a AND t2.b=t3.a and t1.b=t3.b;
 select * from t3;
 a	b

mysql-test/r/select.result

@@ -3390,3 +3390,24 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t2	const	PRIMARY	PRIMARY	4	const	1	
 1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	Using where
 DROP TABLE t1,t2;
+CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
+INSERT t1 SET i = 0;
+UPDATE t1 SET i = -1;
+Warnings:
+Warning	1264	Out of range value adjusted for column 'i' at row 1
+SELECT * FROM t1;
+i
+0
+UPDATE t1 SET i = CAST(i - 1 AS SIGNED);
+Warnings:
+Warning	1264	Out of range value adjusted for column 'i' at row 1
+SELECT * FROM t1;
+i
+0
+UPDATE t1 SET i = i - 1;
+Warnings:
+Warning	1264	Out of range value adjusted for column 'i' at row 1
+SELECT * FROM t1;
+i
+255
+DROP TABLE t1;

mysql-test/r/subselect.result

@@ -1354,10 +1354,10 @@ a
 explain extended select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	PRIMARY	t2	index	NULL	a	5	NULL	4	Using where; Using index
-2	DEPENDENT SUBQUERY	t3	index	a	a	5	NULL	3	Using index
-2	DEPENDENT SUBQUERY	t1	ref	a	a	10	func,test.t3.a	1167	Using where; Using index
+2	DEPENDENT SUBQUERY	t1	ref	a	a	5	func	1001	Using where; Using index
+2	DEPENDENT SUBQUERY	t3	index	a	a	5	NULL	3	Using where; Using index
 Warnings:
-Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t3` where ((`test`.`t1`.`b` = `test`.`t3`.`a`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
+Note	1003	select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select 1 AS `Not_used` from `test`.`t1` join `test`.`t3` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
 insert into t1 values (3,31);
 select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
 a

mysql-test/t/select.test

@@ -2871,3 +2871,18 @@ SELECT t2.sku, t2.sppr, t2.name, t1.sku, t1.pr
 
 
 DROP TABLE t1,t2;
+
+#
+# Bug#18712: Truncation problem (needs just documenting and test
+# cases to prevent fixing this accidently. It is intended behaviour)
+#
+
+CREATE TABLE t1 (i TINYINT UNSIGNED NOT NULL);
+INSERT t1 SET i = 0;
+UPDATE t1 SET i = -1;
+SELECT * FROM t1;
+UPDATE t1 SET i = CAST(i - 1 AS SIGNED);
+SELECT * FROM t1;
+UPDATE t1 SET i = i - 1;
+SELECT * FROM t1;
+DROP TABLE t1;

sql/mysql_priv.h

@@ -1365,8 +1365,8 @@ bool mysql_manager_submit(void (*action)());
 void print_where(COND *cond,const char *info);
 void print_cached_tables(void);
 void TEST_filesort(SORT_FIELD *sortorder,uint s_length);
-void print_plan(JOIN* join, double read_time, double record_count,
-                uint idx, const char *info);
+void print_plan(JOIN* join,uint idx, double record_count, double read_time,
+                double current_read_time, const char *info);
 #endif
 void mysql_print_status();
 /* key.cc */

sql/sql_lex.cc

@@ -196,6 +196,7 @@ void lex_start(THD *thd, const uchar *buf, uint length)
 void lex_end(LEX *lex)
 {
   DBUG_ENTER("lex_end");
+  DBUG_PRINT("enter", ("lex: 0x%lx", (long) lex));
   if (lex->yacc_yyss)
   {
     my_free(lex->yacc_yyss, MYF(0));

sql/sql_test.cc

@@ -230,8 +230,8 @@ TEST_join(JOIN *join)
 */
 
 void
-print_plan(JOIN* join, double read_time, double record_count,
-           uint idx, const char *info)
+print_plan(JOIN* join, uint idx, double record_count, double read_time,
+           double current_read_time, const char *info)
 {
   uint i;
   POSITION pos;
@@ -245,13 +245,15 @@ print_plan(JOIN* join, double read_time, double record_count,
   DBUG_LOCK_FILE;
   if (join->best_read == DBL_MAX)
   {
-    fprintf(DBUG_FILE,"%s; idx:%u, best: DBL_MAX, current:%g\n",
-            info, idx, read_time);
+    fprintf(DBUG_FILE,
+    "%s; idx:%u, best: DBL_MAX, atime: %g, itime: %g, count: %g\n",
+    info, idx, current_read_time, read_time, record_count);
   }
   else
   {
-    fprintf(DBUG_FILE,"%s; idx: %u, best: %g, current: %g\n",
-            info, idx, join->best_read, read_time);
+    fprintf(DBUG_FILE,
+    "%s; idx:%u, best: %g, accumulated: %g, increment: %g, count: %g\n",
+    info, idx, join->best_read, current_read_time, read_time, record_count);
   }
 
   /* Print the tables in JOIN->positions */
@@ -270,9 +272,9 @@ print_plan(JOIN* join, double read_time, double record_count,
     Print the tables in JOIN->best_positions only if at least one complete plan
     has been found. An indicator for this is the value of 'join->best_read'.
   */
-  fputs("BEST_POSITIONS: ", DBUG_FILE);
   if (join->best_read < DBL_MAX)
   {
+    fputs("BEST_POSITIONS: ", DBUG_FILE);
     for (i= 0; i < idx ; i++)
     {
       pos= join->best_positions[i];

sql/sql_view.cc

@@ -943,7 +943,6 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table)
         goto err;
     }
 
-
     if (!(table->view_tables=
           (List<TABLE_LIST>*) new(thd->mem_root) List<TABLE_LIST>))
       goto err;
@@ -1194,6 +1193,7 @@ ok2:
     old_lex->time_zone_tables_used= thd->lex->time_zone_tables_used;
   result= !table->prelocking_placeholder && table->prepare_security(thd);
 
+  lex_end(thd->lex);
 end:
   if (arena)
     thd->restore_active_arena(arena, &backup);
@@ -1202,6 +1202,8 @@ end:
   DBUG_RETURN(result);
 
 err:
+  DBUG_ASSERT(thd->lex == table->view);
+  lex_end(thd->lex);
   delete table->view;
   table->view= 0;	// now it is not VIEW placeholder
   result= 1;