Merge mysql.com:/home/dlenev/src/mysql-5.0-bg13525

into  mysql.com:/home/dlenev/src/mysql-5.1-merges2


client/mysqltest.c:
  Auto merged
include/my_global.h:
  Auto merged
mysql-test/mysql-test-run.pl:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/heap.result:
  Auto merged
mysql-test/r/merge.result:
  Auto merged
mysql-test/r/ps.result:
  Auto merged
mysql-test/r/trigger.result:
  Auto merged
mysql-test/r/view.result:
  Auto merged
mysql-test/t/ps.test:
  Auto merged
mysql-test/t/trigger.test:
  Auto merged
mysql-test/t/view.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/ha_myisammrg.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.h:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
storage/myisammrg/myrg_queue.c:
  Auto merged
sql/sql_rename.cc:
  Manual merge.
sql/sql_trigger.cc:
  Manual merge.
sql/sql_yacc.yy:
  Manual merge.

11 files changed, 300 insertions, 4 deletions

diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index 10645fdf12e..62ce4da253e 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -1156,6 +1156,7 @@ sub environment_setup () {
   $ENV{'USE_RUNNING_SERVER'}= $glob_use_running_server;
   $ENV{'MYSQL_TEST_DIR'}=     $glob_mysql_test_dir;
   $ENV{'MYSQLTEST_VARDIR'}=   $opt_vardir;
+  $ENV{'MYSQL_TMP_DIR'}=      $opt_tmpdir;
   $ENV{'MASTER_MYSOCK'}=      $master->[0]->{'path_mysock'};
   $ENV{'MASTER_MYSOCK1'}=     $master->[1]->{'path_mysock'};
   $ENV{'MASTER_MYPORT'}=      $master->[0]->{'path_myport'};
@@ -2876,7 +2877,7 @@ sub run_mysqltest ($) {
   if ( $opt_debug )
   {
     $cmdline_mysqlcheck .=
-      " --debug=d:t:A,$opt_vardir_trace/log/mysqldump.trace";
+      " --debug=d:t:A,$opt_vardir_trace/log/mysqlcheck.trace";
   }
 
   my $cmdline_mysqldump= "$exe_mysqldump --no-defaults -uroot " .
diff --git a/mysql-test/mysql-test-run.sh b/mysql-test/mysql-test-run.sh
index ce62964a3c0..7869a9f6f3a 100644
--- a/mysql-test/mysql-test-run.sh
+++ b/mysql-test/mysql-test-run.sh
@@ -202,6 +202,7 @@ SYST=0
 REALT=0
 FAST_START=""
 MYSQL_TMP_DIR=$MYSQL_TEST_DIR/var/tmp
+export MYSQL_TMP_DIR
 
 # Use a relative path for where the slave will find the dumps
 # generated by "LOAD DATA" on the master. The path is relative
diff --git a/mysql-test/r/index_merge.result b/mysql-test/r/index_merge.result
index db87253e19a..3a69f56cbd3 100644
--- a/mysql-test/r/index_merge.result
+++ b/mysql-test/r/index_merge.result
@@ -402,3 +402,25 @@ explain select * from t1 force index(cola,colb) WHERE cola = 'foo' AND colb = 'b
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index_merge	cola,colb	cola,colb	3,3	NULL	24	Using intersect(cola,colb); Using where
 drop table t1;
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 (
+a int, b int, 
+filler1 char(200), filler2 char(200),
+key(a),key(b)
+);
+insert into t1 select @v:= A.a, @v, 't1', 'filler2' from t0 A, t0 B, t0 C;
+create table t2 like t1;
+create table t3 (
+a int, b int, 
+filler1 char(200), filler2 char(200),
+key(a),key(b)
+) engine=merge union=(t1,t2);
+explain select * from t1 where a=1 and b=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t1	index_merge	a,b	a,b	5,5	NULL	#	Using intersect(a,b); Using where
+explain select * from t3 where a=1 and b=1;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t3	index_merge	a,b	a,b	5,5	NULL	#	Using intersect(a,b); Using where
+drop table t3;
+drop table t0, t1, t2;
diff --git a/mysql-test/r/merge.result b/mysql-test/r/merge.result
index c700de5ccc6..caab508ad96 100644
--- a/mysql-test/r/merge.result
+++ b/mysql-test/r/merge.result
@@ -56,8 +56,8 @@ a	b
 4	Testing
 5	table
 5	table
-6	t1
 6	t2
+6	t1
 7	Testing
 7	Testing
 8	table
diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result
index 5c0a13fe640..e24cee9e875 100644
--- a/mysql-test/r/ps.result
+++ b/mysql-test/r/ps.result
@@ -859,6 +859,20 @@ count(*)
 5
 deallocate prepare stmt;
 drop table t1;
+prepare stmt from 'create table t1 (a varchar(10) character set utf8)';
+execute stmt;
+insert into t1 (a) values (repeat('a', 20));
+select length(a) from t1;
+length(a)
+10
+drop table t1;
+execute stmt;
+insert into t1 (a) values (repeat('a', 20));
+select length(a) from t1;
+length(a)
+10
+drop table t1;
+deallocate prepare stmt;
 create table t1 (id int);
 prepare ins_call from "insert into t1 (id) values (1)";
 execute ins_call;
diff --git a/mysql-test/r/trigger.result b/mysql-test/r/trigger.result
index 62c0d01327d..320f4e5c3d9 100644
--- a/mysql-test/r/trigger.result
+++ b/mysql-test/r/trigger.result
@@ -1,4 +1,4 @@
-drop table if exists t1, t2, t3;
+drop table if exists t1, t2, t3, t4;
 drop view if exists v1;
 drop database if exists mysqltest;
 drop function if exists f1;
@@ -785,6 +785,107 @@ create trigger test.t1_bi before insert on t1 for each row set @a:=0;
 ERROR 3D000: No database selected
 drop trigger t1_bi;
 ERROR 3D000: No database selected
+create table t1 (id int);
+create trigger t1_bi before insert on t1 for each row set @a:=new.id;
+insert into t1 values (101);
+select @a;
+@a
+101
+select trigger_schema, trigger_name, event_object_schema,
+event_object_table, action_statement from information_schema.triggers
+where event_object_schema = 'test';
+trigger_schema	trigger_name	event_object_schema	event_object_table	action_statement
+test	t1_bi	test	t1	set @a:=new.id
+rename table t1 to t2;
+insert into t2 values (102);
+select @a;
+@a
+102
+select trigger_schema, trigger_name, event_object_schema,
+event_object_table, action_statement from information_schema.triggers
+where event_object_schema = 'test';
+trigger_schema	trigger_name	event_object_schema	event_object_table	action_statement
+test	t1_bi	test	t2	set @a:=new.id
+alter table t2 rename to t3;
+insert into t3 values (103);
+select @a;
+@a
+103
+select trigger_schema, trigger_name, event_object_schema,
+event_object_table, action_statement from information_schema.triggers
+where event_object_schema = 'test';
+trigger_schema	trigger_name	event_object_schema	event_object_table	action_statement
+test	t1_bi	test	t3	set @a:=new.id
+alter table t3 rename to t4, add column val int default 0;
+insert into t4 values (104, 1);
+select @a;
+@a
+104
+select trigger_schema, trigger_name, event_object_schema,
+event_object_table, action_statement from information_schema.triggers
+where event_object_schema = 'test';
+trigger_schema	trigger_name	event_object_schema	event_object_table	action_statement
+test	t1_bi	test	t4	set @a:=new.id
+drop trigger t1_bi;
+drop table t4;
+create database mysqltest;
+use mysqltest;
+create table t1 (id int);
+create trigger t1_bi before insert on t1 for each row set @a:=new.id;
+insert into t1 values (101);
+select @a;
+@a
+101
+select trigger_schema, trigger_name, event_object_schema,
+event_object_table, action_statement from information_schema.triggers
+where event_object_schema = 'test' or event_object_schema = 'mysqltest';
+trigger_schema	trigger_name	event_object_schema	event_object_table	action_statement
+mysqltest	t1_bi	mysqltest	t1	set @a:=new.id
+rename table t1 to test.t2;
+ERROR HY000: Trigger in wrong schema
+insert into t1 values (102);
+select @a;
+@a
+102
+select trigger_schema, trigger_name, event_object_schema,
+event_object_table, action_statement from information_schema.triggers
+where event_object_schema = 'test' or event_object_schema = 'mysqltest';
+trigger_schema	trigger_name	event_object_schema	event_object_table	action_statement
+mysqltest	t1_bi	mysqltest	t1	set @a:=new.id
+drop trigger test.t1_bi;
+ERROR HY000: Trigger does not exist
+drop trigger t1_bi;
+drop table t1;
+drop database mysqltest;
+use test;
+create table t1 (id int);
+create trigger t1_bi before insert on t1 for each row set @a:=new.id;
+create trigger t1_ai after insert on t1 for each row set @b:=new.id;
+insert into t1 values (101);
+select @a, @b;
+@a	@b
+101	101
+select trigger_schema, trigger_name, event_object_schema,
+event_object_table, action_statement from information_schema.triggers
+where event_object_schema = 'test';
+trigger_schema	trigger_name	event_object_schema	event_object_table	action_statement
+test	t1_bi	test	t1	set @a:=new.id
+test	t1_ai	test	t1	set @b:=new.id
+rename table t1 to t2;
+ERROR HY000: Can't create/write to file './test/t1_ai.TRN~' (Errcode: 13)
+insert into t1 values (102);
+select @a, @b;
+@a	@b
+102	102
+select trigger_schema, trigger_name, event_object_schema,
+event_object_table, action_statement from information_schema.triggers
+where event_object_schema = 'test';
+trigger_schema	trigger_name	event_object_schema	event_object_table	action_statement
+test	t1_bi	test	t1	set @a:=new.id
+test	t1_ai	test	t1	set @b:=new.id
+drop trigger t1_bi;
+drop trigger t1_ai;
+drop table t1;
 create table t1 (i int);
 create trigger t1_bi before insert on t1 for each row return 0;
 ERROR 42000: RETURN is only allowed in a FUNCTION
diff --git a/mysql-test/r/view.result b/mysql-test/r/view.result
index 5396db82965..e3d683a58dc 100644
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@@ -2529,3 +2529,13 @@ Warnings:
 Warning	1052	Column 'x' in group statement is ambiguous
 DROP VIEW v1;
 DROP TABLE t1;
+drop table if exists t1; 
+drop view if exists v1; 
+create table t1 (id int); 
+create view v1 as select * from t1; 
+drop table t1; 
+show create view v1; 
+drop view v1;
+//
+View	Create View
+v1	CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select sql_no_cache `test`.`t1`.`id` AS `id` from `t1`
diff --git a/mysql-test/t/index_merge.test b/mysql-test/t/index_merge.test
index 10512902409..3da5711bf7a 100644
--- a/mysql-test/t/index_merge.test
+++ b/mysql-test/t/index_merge.test
@@ -357,3 +357,29 @@ explain select * from t1 WHERE cola = 'foo' AND colb = 'bar';
 explain select * from t1 force index(cola,colb) WHERE cola = 'foo' AND colb = 'bar';
 drop table t1;
 
+#
+# BUG#17314: Index_merge/intersection not choosen by the optimizer for MERGE tables
+#
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 (
+  a int, b int, 
+  filler1 char(200), filler2 char(200),
+  key(a),key(b)
+);
+insert into t1 select @v:= A.a, @v, 't1', 'filler2' from t0 A, t0 B, t0 C;
+create table t2 like t1;
+
+create table t3 (
+  a int, b int, 
+  filler1 char(200), filler2 char(200),
+  key(a),key(b)
+) engine=merge union=(t1,t2);
+
+--replace_column 9 #
+explain select * from t1 where a=1 and b=1;
+--replace_column 9 #
+explain select * from t3 where a=1 and b=1;
+
+drop table t3;
+drop table t0, t1, t2;
diff --git a/mysql-test/t/ps.test b/mysql-test/t/ps.test
index 48a9f4c19f3..ffbba991fb6 100644
--- a/mysql-test/t/ps.test
+++ b/mysql-test/t/ps.test
@@ -900,6 +900,27 @@ execute stmt using @like;
 deallocate prepare stmt;
 drop table t1;
 
+#
+# Bug#13134 "Length of VARCHAR() utf8 column is increasing when table is
+# recreated with PS/SP"
+#
+
+prepare stmt from 'create table t1 (a varchar(10) character set utf8)';
+execute stmt;
+--disable_warnings
+insert into t1 (a) values (repeat('a', 20));
+--enable_warnings
+select length(a) from t1;
+drop table t1;
+execute stmt;
+--disable_warnings
+insert into t1 (a) values (repeat('a', 20));
+--enable_warnings
+# Check that the data is truncated to the same length
+select length(a) from t1;
+drop table t1;
+deallocate prepare stmt;
+
 # End of 4.1 tests
 
 #
diff --git a/mysql-test/t/trigger.test b/mysql-test/t/trigger.test
index c3cc8e3f8e8..e1564e33a43 100644
--- a/mysql-test/t/trigger.test
+++ b/mysql-test/t/trigger.test
@@ -3,7 +3,7 @@
 #
 
 --disable_warnings
-drop table if exists t1, t2, t3;
+drop table if exists t1, t2, t3, t4;
 drop view if exists v1;
 drop database if exists mysqltest;
 drop function if exists f1;
@@ -959,6 +959,91 @@ create trigger test.t1_bi before insert on t1 for each row set @a:=0;
 drop trigger t1_bi;
 connection default;
 
+#
+# Test for bug #13525 "Rename table does not keep info of triggers"
+#
+create table t1 (id int);
+create trigger t1_bi before insert on t1 for each row set @a:=new.id;
+insert into t1 values (101);
+select @a;
+select trigger_schema, trigger_name, event_object_schema,
+       event_object_table, action_statement from information_schema.triggers
+       where event_object_schema = 'test';
+rename table t1 to t2;
+# Trigger should work after rename
+insert into t2 values (102);
+select @a;
+select trigger_schema, trigger_name, event_object_schema,
+       event_object_table, action_statement from information_schema.triggers
+       where event_object_schema = 'test';
+# Let us check that the same works for simple ALTER TABLE ... RENAME
+alter table t2 rename to t3;
+insert into t3 values (103);
+select @a;
+select trigger_schema, trigger_name, event_object_schema,
+       event_object_table, action_statement from information_schema.triggers
+       where event_object_schema = 'test';
+# And for more complex ALTER TABLE
+alter table t3 rename to t4, add column val int default 0;
+insert into t4 values (104, 1);
+select @a;
+select trigger_schema, trigger_name, event_object_schema,
+       event_object_table, action_statement from information_schema.triggers
+       where event_object_schema = 'test';
+# .TRN file should be updated with new table name
+drop trigger t1_bi;
+drop table t4;
+# Rename between different databases if triggers exist should fail
+create database mysqltest;
+use mysqltest;
+create table t1 (id int);
+create trigger t1_bi before insert on t1 for each row set @a:=new.id;
+insert into t1 values (101);
+select @a;
+select trigger_schema, trigger_name, event_object_schema,
+       event_object_table, action_statement from information_schema.triggers
+       where event_object_schema = 'test' or event_object_schema = 'mysqltest';
+--error ER_TRG_IN_WRONG_SCHEMA
+rename table t1 to test.t2;
+insert into t1 values (102);
+select @a;
+select trigger_schema, trigger_name, event_object_schema,
+       event_object_table, action_statement from information_schema.triggers
+       where event_object_schema = 'test' or event_object_schema = 'mysqltest';
+# There should be no fantom .TRN files 
+--error ER_TRG_DOES_NOT_EXIST
+drop trigger test.t1_bi;
+drop trigger t1_bi;
+drop table t1;
+drop database mysqltest;
+use test;
+# And now let us check that the properly handle rename if there is some
+# error during it (that we rollback such renames completely).
+create table t1 (id int);
+create trigger t1_bi before insert on t1 for each row set @a:=new.id;
+create trigger t1_ai after insert on t1 for each row set @b:=new.id;
+insert into t1 values (101);
+select @a, @b;
+select trigger_schema, trigger_name, event_object_schema,
+       event_object_table, action_statement from information_schema.triggers
+       where event_object_schema = 'test';
+# Trick which makes update of second .TRN file impossible
+system echo dummy >var/master-data/test/t1_ai.TRN~;
+system chmod 000 var/master-data/test/t1_ai.TRN~;
+--error 1
+rename table t1 to t2;
+# 't1' should be still there and triggers should work correctly
+insert into t1 values (102);
+select @a, @b;
+select trigger_schema, trigger_name, event_object_schema,
+       event_object_table, action_statement from information_schema.triggers
+       where event_object_schema = 'test';
+system chmod 600 var/master-data/test/t1_ai.TRN;
+# Let us check that updates to .TRN files were rolled back too
+drop trigger t1_bi;
+drop trigger t1_ai;
+drop table t1;
+
 # Test for bug #16829 "Firing trigger with RETURN crashes the server"
 # RETURN is not supposed to be used anywhere except functions, so error
 # should be returned when one attempts to create trigger with RETURN.
diff --git a/mysql-test/t/view.test b/mysql-test/t/view.test
index 5d1b5a80a9b..294a254390f 100644
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@@ -2375,3 +2375,18 @@ SELECT IF(x IS NULL, 'blank', 'not blank') AS x FROM v1 GROUP BY x;
 
 DROP VIEW v1;
 DROP TABLE t1;
+
+#
+# BUG#15943: mysql_next_result hangs on invalid SHOW CREATE VIEW
+#
+
+delimiter //;
+drop table if exists t1; 
+drop view if exists v1; 
+create table t1 (id int); 
+create view v1 as select * from t1; 
+drop table t1; 
+show create view v1; 
+drop view v1;
+//
+delimiter ;//