wl#1629 SHOW with WHERE(final part, after review)

  added syntax:
  'show variables where', 'show status where', 'show open tables where'


mysql-test/r/grant_cache.result:
  wl#1629 SHOW with WHERE(final part,after review)
mysql-test/r/information_schema.result:
  wl#1629 SHOW with WHERE(final part,after review)
mysql-test/r/query_cache.result:
  wl#1629 SHOW with WHERE(final part,after review)
mysql-test/r/temp_table.result:
  wl#1629 SHOW with WHERE(final part,after review)
mysql-test/r/union.result:
  wl#1629 SHOW with WHERE(final part,after review)
mysql-test/t/information_schema.test:
  wl#1629 SHOW with WHERE(final part,after review)
mysql-test/t/query_cache.test:
  wl#1629 SHOW with WHERE(final part,after review)
sql/item.cc:
  wl#1629 SHOW with WHERE(final part,after review)
sql/mysql_priv.h:
  wl#1629 SHOW with WHERE(final part,after review)
sql/sql_parse.cc:
  wl#1629 SHOW with WHERE(final part,after review)
sql/sql_select.cc:
  wl#1629 SHOW with WHERE(final part,after review)
sql/sql_show.cc:
  wl#1629 SHOW with WHERE(final part,after review)
sql/sql_yacc.yy:
  wl#1629 SHOW with WHERE(final part,after review)
sql/table.h:
  wl#1629 SHOW with WHERE(final part,after review)

7 files changed, 61 insertions, 18 deletions

diff --git a/mysql-test/r/grant_cache.result b/mysql-test/r/grant_cache.result
index 892f1d940a6..0c59ed1584c 100644
--- a/mysql-test/r/grant_cache.result
+++ b/mysql-test/r/grant_cache.result
@@ -59,7 +59,7 @@ Variable_name	Value
 Qcache_hits	0
 show status like "Qcache_not_cached";
 Variable_name	Value
-Qcache_not_cached	0
+Qcache_not_cached	5
 select "user1";
 user1
 user1
@@ -71,7 +71,7 @@ Variable_name	Value
 Qcache_hits	0
 show status like "Qcache_not_cached";
 Variable_name	Value
-Qcache_not_cached	1
+Qcache_not_cached	9
 select * from t1;
 a	b	c
 1	1	1
@@ -84,7 +84,7 @@ Variable_name	Value
 Qcache_hits	1
 show status like "Qcache_not_cached";
 Variable_name	Value
-Qcache_not_cached	1
+Qcache_not_cached	12
 select a from t1 ;
 a
 1
@@ -97,7 +97,7 @@ Variable_name	Value
 Qcache_hits	2
 show status like "Qcache_not_cached";
 Variable_name	Value
-Qcache_not_cached	1
+Qcache_not_cached	15
 select c from t1;
 c
 1
@@ -110,7 +110,7 @@ Variable_name	Value
 Qcache_hits	3
 show status like "Qcache_not_cached";
 Variable_name	Value
-Qcache_not_cached	1
+Qcache_not_cached	18
 show grants for current_user();
 Grants for @localhost
 GRANT USAGE ON *.* TO ''@'localhost'
@@ -143,7 +143,7 @@ Variable_name	Value
 Qcache_hits	7
 show status like "Qcache_not_cached";
 Variable_name	Value
-Qcache_not_cached	2
+Qcache_not_cached	22
 select "user3";
 user3
 user3
@@ -167,7 +167,7 @@ Variable_name	Value
 Qcache_hits	7
 show status like "Qcache_not_cached";
 Variable_name	Value
-Qcache_not_cached	7
+Qcache_not_cached	30
 select "user4";
 user4
 user4
@@ -197,7 +197,7 @@ Variable_name	Value
 Qcache_hits	8
 show status like "Qcache_not_cached";
 Variable_name	Value
-Qcache_not_cached	8
+Qcache_not_cached	34
 set names binary;
 delete from mysql.user where user in ("mysqltest_1","mysqltest_2","mysqltest_3");
 delete from mysql.db where user in ("mysqltest_1","mysqltest_2","mysqltest_3");
diff --git a/mysql-test/r/information_schema.result b/mysql-test/r/information_schema.result
index 037588afda8..cfa26052fb5 100644
--- a/mysql-test/r/information_schema.result
+++ b/mysql-test/r/information_schema.result
@@ -1,3 +1,6 @@
+show variables variable_name where variable_name like "skip_show_database";
+variable_name
+skip_show_database
 grant all privileges on test.* to mysqltest_1@localhost;
 select * from information_schema.SCHEMATA where schema_name > 'm';
 CATALOG_NAME	SCHEMA_NAME	DEFAULT_CHARACTER_SET_NAME	SQL_PATH
@@ -321,11 +324,11 @@ show keys from v4;
 Table	Non_unique	Key_name	Seq_in_index	Column_name	Collation	Cardinality	Sub_part	Packed	Null	Index_type	Comment
 select * from information_schema.views where TABLE_NAME like "v%";
 TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	VIEW_DEFINITION	CHECK_OPTION	IS_UPDATABLE
-NULL	test	v0	select `schemata`.`SCHEMA_NAME` AS `c` from `information_schema`.`schemata`	NONE	NO
-NULL	test	v1	select `tables`.`TABLE_NAME` AS `c` from `information_schema`.`tables` where (`tables`.`TABLE_NAME` = _utf8'v1')	NONE	NO
-NULL	test	v2	select `columns`.`COLUMN_NAME` AS `c` from `information_schema`.`columns` where (`columns`.`TABLE_NAME` = _utf8'v2')	NONE	NO
-NULL	test	v3	select `character_sets`.`CHARACTER_SET_NAME` AS `c` from `information_schema`.`character_sets` where (`character_sets`.`CHARACTER_SET_NAME` like _utf8'latin1%')	NONE	NO
-NULL	test	v4	select `collations`.`COLLATION_NAME` AS `c` from `information_schema`.`collations` where (`collations`.`COLLATION_NAME` like _utf8'latin1%')	NONE	NO
+NULL	test	v0	select sql_no_cache `schemata`.`SCHEMA_NAME` AS `c` from `information_schema`.`schemata`	NONE	NO
+NULL	test	v1	select sql_no_cache `tables`.`TABLE_NAME` AS `c` from `information_schema`.`tables` where (`tables`.`TABLE_NAME` = _utf8'v1')	NONE	NO
+NULL	test	v2	select sql_no_cache `columns`.`COLUMN_NAME` AS `c` from `information_schema`.`columns` where (`columns`.`TABLE_NAME` = _utf8'v2')	NONE	NO
+NULL	test	v3	select sql_no_cache `character_sets`.`CHARACTER_SET_NAME` AS `c` from `information_schema`.`character_sets` where (`character_sets`.`CHARACTER_SET_NAME` like _utf8'latin1%')	NONE	NO
+NULL	test	v4	select sql_no_cache `collations`.`COLLATION_NAME` AS `c` from `information_schema`.`collations` where (`collations`.`COLLATION_NAME` like _utf8'latin1%')	NONE	NO
 drop view v0, v1, v2, v3, v4;
 create table t1 (a int);
 grant select,update,insert on t1 to mysqltest_1@localhost;
@@ -661,3 +664,14 @@ select table_type from information_schema.tables
 where table_schema="mysql" and table_name="user";
 table_type
 BASE TABLE
+show open tables where `table` like "user";
+Database	Table	In_use	Name_locked
+mysql	user	0	0
+show status variable_name where variable_name like "%database%";
+variable_name
+Com_show_databases
+show variables variable_name where variable_name like "%database%";
+variable_name
+character_set_database
+collation_database
+skip_show_database
diff --git a/mysql-test/r/query_cache.result b/mysql-test/r/query_cache.result
index 57c5da870ad..3568be8cc12 100644
--- a/mysql-test/r/query_cache.result
+++ b/mysql-test/r/query_cache.result
@@ -947,3 +947,13 @@ Variable_name	Value
 Qcache_hits	7
 DROP TABLE t1;
 SET GLOBAL query_cache_size=0;
+SET SESSION query_cache_type = 2;
+create table t1(a int);
+select table_name from information_schema.tables
+where table_schema="test";
+table_name
+t1
+drop table t1;
+select table_name from information_schema.tables
+where table_schema="test";
+table_name
diff --git a/mysql-test/r/temp_table.result b/mysql-test/r/temp_table.result
index 10c0a2e3652..2dd58f54327 100644
--- a/mysql-test/r/temp_table.result
+++ b/mysql-test/r/temp_table.result
@@ -95,5 +95,5 @@ d
 show status like "created_tmp%tables";
 Variable_name	Value
 Created_tmp_disk_tables	0
-Created_tmp_tables	1
+Created_tmp_tables	2
 drop table t1;
diff --git a/mysql-test/r/union.result b/mysql-test/r/union.result
index 1fbba8ebbb7..334a2531c7f 100644
--- a/mysql-test/r/union.result
+++ b/mysql-test/r/union.result
@@ -851,27 +851,27 @@ count(*)
 26
 show status like 'Slow_queries';
 Variable_name	Value
-Slow_queries	0
+Slow_queries	1
 select count(*) from t1 where b=13;
 count(*)
 10
 show status like 'Slow_queries';
 Variable_name	Value
-Slow_queries	1
+Slow_queries	3
 select count(*) from t1 where b=13 union select count(*) from t1 where a=7;
 count(*)
 10
 26
 show status like 'Slow_queries';
 Variable_name	Value
-Slow_queries	2
+Slow_queries	5
 select count(*) from t1 where a=7 union select count(*) from t1 where b=13;
 count(*)
 26
 10
 show status like 'Slow_queries';
 Variable_name	Value
-Slow_queries	3
+Slow_queries	7
 drop table t1;
 create table t1 (   RID int(11) not null default '0',   IID int(11) not null default '0',    nada varchar(50)  not null,NAME varchar(50) not null,PHONE varchar(50) not null) engine=MyISAM;
 insert into t1 ( RID,IID,nada,NAME,PHONE) values (1, 1, 'main', 'a', '111'), (2, 1, 'main', 'b', '222'), (3, 1, 'main', 'c', '333'), (4, 1, 'main', 'd', '444'), (5, 1, 'main', 'e', '555'), (6, 2, 'main', 'c', '333'), (7, 2, 'main', 'd', '454'), (8, 2, 'main', 'e', '555'), (9, 2, 'main', 'f', '666'), (10, 2, 'main', 'g', '777');
diff --git a/mysql-test/t/information_schema.test b/mysql-test/t/information_schema.test
index 66315fe7a29..ac36bbd6014 100644
--- a/mysql-test/t/information_schema.test
+++ b/mysql-test/t/information_schema.test
@@ -2,6 +2,7 @@
 # Test for information_schema.schemata &
 # show databases
 
+show variables variable_name where variable_name like "skip_show_database";
 grant all privileges on test.* to mysqltest_1@localhost;
 
 select * from information_schema.SCHEMATA where schema_name > 'm';
@@ -346,3 +347,10 @@ select TABLE_ROWS from information_schema.tables where
 table_schema="information_schema" and table_name="COLUMNS";
 select table_type from information_schema.tables
 where table_schema="mysql" and table_name="user";
+
+# test for 'show open tables ... where'
+show open tables where `table` like "user";
+# test for 'show status ... where'
+show status variable_name where variable_name like "%database%";
+# test for 'show variables ... where'
+show variables variable_name where variable_name like "%database%";
diff --git a/mysql-test/t/query_cache.test b/mysql-test/t/query_cache.test
index ed89184a0bc..26f939582e5 100644
--- a/mysql-test/t/query_cache.test
+++ b/mysql-test/t/query_cache.test
@@ -686,3 +686,14 @@ show status like "Qcache_hits";
 #
 DROP TABLE t1;
 SET GLOBAL query_cache_size=0;
+
+#
+# Information schema & query cache test
+#
+SET SESSION query_cache_type = 2;
+create table t1(a int);
+select table_name from information_schema.tables
+where table_schema="test";
+drop table t1;
+select table_name from information_schema.tables
+where table_schema="test";