post-merge fix

mysql-test/r/information_schema.result:
  Auto merged
mysql-test/r/lowercase_table2.result:
  Auto merged
sql/item_strfunc.h:
  Auto merged
sql/sql_show.cc:
  Auto merged
mysql-test/t/information_schema.test:
  manual merge

6 files changed, 103 insertions, 54 deletions

diff --git a/mysql-test/r/information_schema.result b/mysql-test/r/information_schema.result
index 603b7815d5b..7bd8fefbdde 100644
--- a/mysql-test/r/information_schema.result
+++ b/mysql-test/r/information_schema.result
@@ -912,58 +912,62 @@ grant select (f1) on mysqltest.t1 to user1@localhost;
 grant select on mysqltest.t2 to user2@localhost;
 grant select on mysqltest.* to user3@localhost;
 grant select on *.* to user4@localhost;
-select * from information_schema.column_privileges;
+select * from information_schema.column_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	COLUMN_NAME	PRIVILEGE_TYPE	IS_GRANTABLE
 'user1'@'localhost'	NULL	mysqltest	t1	f1	SELECT	NO
-select * from information_schema.table_privileges;
+select * from information_schema.table_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PRIVILEGE_TYPE	IS_GRANTABLE
-select * from information_schema.schema_privileges;
+select * from information_schema.schema_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	PRIVILEGE_TYPE	IS_GRANTABLE
-select * from information_schema.user_privileges;
+select * from information_schema.user_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	PRIVILEGE_TYPE	IS_GRANTABLE
 'user1'@'localhost'	NULL	USAGE	NO
 show grants;
 Grants for user1@localhost
 GRANT USAGE ON *.* TO 'user1'@'localhost'
 GRANT SELECT (f1) ON `mysqltest`.`t1` TO 'user1'@'localhost'
-select * from information_schema.column_privileges;
+select * from information_schema.column_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	COLUMN_NAME	PRIVILEGE_TYPE	IS_GRANTABLE
-select * from information_schema.table_privileges;
+select * from information_schema.table_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PRIVILEGE_TYPE	IS_GRANTABLE
 'user2'@'localhost'	NULL	mysqltest	t2	SELECT	NO
-select * from information_schema.schema_privileges;
+select * from information_schema.schema_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	PRIVILEGE_TYPE	IS_GRANTABLE
-select * from information_schema.user_privileges;
+select * from information_schema.user_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	PRIVILEGE_TYPE	IS_GRANTABLE
 'user2'@'localhost'	NULL	USAGE	NO
 show grants;
 Grants for user2@localhost
 GRANT USAGE ON *.* TO 'user2'@'localhost'
 GRANT SELECT ON `mysqltest`.`t2` TO 'user2'@'localhost'
-select * from information_schema.column_privileges;
+select * from information_schema.column_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	COLUMN_NAME	PRIVILEGE_TYPE	IS_GRANTABLE
-select * from information_schema.table_privileges;
+select * from information_schema.table_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PRIVILEGE_TYPE	IS_GRANTABLE
-select * from information_schema.schema_privileges;
+select * from information_schema.schema_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	PRIVILEGE_TYPE	IS_GRANTABLE
 'user3'@'localhost'	NULL	mysqltest	SELECT	NO
-select * from information_schema.user_privileges;
+select * from information_schema.user_privileges order by grantee;
 GRANTEE	TABLE_CATALOG	PRIVILEGE_TYPE	IS_GRANTABLE
 'user3'@'localhost'	NULL	USAGE	NO
 show grants;
 Grants for user3@localhost
 GRANT USAGE ON *.* TO 'user3'@'localhost'
 GRANT SELECT ON `mysqltest`.* TO 'user3'@'localhost'
-select * from information_schema.column_privileges where grantee like '%user%';
+select * from information_schema.column_privileges where grantee like '%user%'
+order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	COLUMN_NAME	PRIVILEGE_TYPE	IS_GRANTABLE
 'user1'@'localhost'	NULL	mysqltest	t1	f1	SELECT	NO
-select * from information_schema.table_privileges where grantee like '%user%';
+select * from information_schema.table_privileges where grantee like '%user%'
+order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	TABLE_NAME	PRIVILEGE_TYPE	IS_GRANTABLE
 'user2'@'localhost'	NULL	mysqltest	t2	SELECT	NO
-select * from information_schema.schema_privileges where grantee like '%user%';
+select * from information_schema.schema_privileges where grantee like '%user%'
+order by grantee;
 GRANTEE	TABLE_CATALOG	TABLE_SCHEMA	PRIVILEGE_TYPE	IS_GRANTABLE
 'user3'@'localhost'	NULL	mysqltest	SELECT	NO
-select * from information_schema.user_privileges where grantee like '%user%';
+select * from information_schema.user_privileges where grantee like '%user%'
+order by grantee;
 GRANTEE	TABLE_CATALOG	PRIVILEGE_TYPE	IS_GRANTABLE
 'user1'@'localhost'	NULL	USAGE	NO
 'user2'@'localhost'	NULL	USAGE	NO
@@ -1175,3 +1179,12 @@ NULL	test	v2	select 1 AS `1`	NONE	NO	mysqltest_1@localhost	DEFINER
 drop view v1, v2;
 drop table t1;
 drop user mysqltest_1@localhost;
+set @a:= '.';
+create table t1(f1 char(5));
+create table t2(f1 char(5));
+select concat(@a, table_name), @a, table_name
+from information_schema.tables where table_schema = 'test';
+concat(@a, table_name)	@a	table_name
+.t1	.	t1
+.t2	.	t2
+drop table t1,t2;
diff --git a/mysql-test/r/lowercase_table2.result b/mysql-test/r/lowercase_table2.result
index a55ebaf7766..51c2ac0faf5 100644
--- a/mysql-test/r/lowercase_table2.result
+++ b/mysql-test/r/lowercase_table2.result
@@ -165,3 +165,12 @@ create table t1Aa (col1 int);
 select t1Aa.col1 from t1aA,t2Aa where t1Aa.col1 = t2aA.col1;
 col1
 drop table t2aA, t1Aa;
+create database mysqltest_LC2;
+use mysqltest_LC2;
+create table myUC (i int);
+select TABLE_SCHEMA,TABLE_NAME FROM information_schema.TABLES
+where TABLE_SCHEMA ='mysqltest_LC2';
+TABLE_SCHEMA	TABLE_NAME
+mysqltest_LC2	myUC
+use test;
+drop database mysqltest_LC2;
diff --git a/mysql-test/t/information_schema.test b/mysql-test/t/information_schema.test
index acb877e1e74..19e3ef97f1e 100644
--- a/mysql-test/t/information_schema.test
+++ b/mysql-test/t/information_schema.test
@@ -580,28 +580,32 @@ connect (con2,localhost,user2,,mysqltest);
 connect (con3,localhost,user3,,mysqltest);
 connect (con4,localhost,user4,,);
 connection con1;
-select * from information_schema.column_privileges;
-select * from information_schema.table_privileges;
-select * from information_schema.schema_privileges;
-select * from information_schema.user_privileges;
+select * from information_schema.column_privileges order by grantee;
+select * from information_schema.table_privileges order by grantee;
+select * from information_schema.schema_privileges order by grantee;
+select * from information_schema.user_privileges order by grantee;
 show grants;
 connection con2;
-select * from information_schema.column_privileges;
-select * from information_schema.table_privileges;
-select * from information_schema.schema_privileges;
-select * from information_schema.user_privileges;
+select * from information_schema.column_privileges order by grantee;
+select * from information_schema.table_privileges order by grantee;
+select * from information_schema.schema_privileges order by grantee;
+select * from information_schema.user_privileges order by grantee;
 show grants;
 connection con3;
-select * from information_schema.column_privileges;
-select * from information_schema.table_privileges;
-select * from information_schema.schema_privileges;
-select * from information_schema.user_privileges;
+select * from information_schema.column_privileges order by grantee;
+select * from information_schema.table_privileges order by grantee;
+select * from information_schema.schema_privileges order by grantee;
+select * from information_schema.user_privileges order by grantee;
 show grants;
 connection con4;
-select * from information_schema.column_privileges where grantee like '%user%';
-select * from information_schema.table_privileges where grantee like '%user%';
-select * from information_schema.schema_privileges where grantee like '%user%';
-select * from information_schema.user_privileges where grantee like '%user%';
+select * from information_schema.column_privileges where grantee like '%user%'
+order by grantee;
+select * from information_schema.table_privileges where grantee like '%user%'
+order by grantee;
+select * from information_schema.schema_privileges where grantee like '%user%'
+order by grantee;
+select * from information_schema.user_privileges where grantee like '%user%'
+order by grantee;
 show grants;
 connection default;
 drop user user1@localhost, user2@localhost, user3@localhost, user4@localhost;
@@ -825,25 +829,6 @@ delete from proc where name='';
 use test;
 
 #
-# End of 5.0 tests.
-#
-# Show engines
-#
-
-select * from information_schema.engines WHERE ENGINE="MyISAM";
-
-#
-# INFORMATION_SCHEMA.PROCESSLIST
-#
-
-grant select on *.* to user3148@localhost;
-connect (con3148,localhost,user3148,,test);
-connection con3148;
-select user,db from information_schema.processlist;
-connection default;
-drop user user3148@localhost;
-
-#
 # Bug#16681 information_schema shows forbidden VIEW details
 #
 grant select on test.* to mysqltest_1@localhost;
@@ -862,3 +847,31 @@ drop view v1, v2;
 drop table t1;
 drop user mysqltest_1@localhost;
 
+#
+# Bug#19599 duplication of information_schema column value in a CONCAT expr with user var
+#
+set @a:= '.';
+create table t1(f1 char(5));
+create table t2(f1 char(5));
+select concat(@a, table_name), @a, table_name
+from information_schema.tables where table_schema = 'test';
+drop table t1,t2;
+
+# End of 5.0 tests.
+#
+# Show engines
+#
+
+select * from information_schema.engines WHERE ENGINE="MyISAM";
+
+#
+# INFORMATION_SCHEMA.PROCESSLIST
+#
+
+grant select on *.* to user3148@localhost;
+connect (con3148,localhost,user3148,,test);
+connection con3148;
+select user,db from information_schema.processlist;
+connection default;
+drop user user3148@localhost;
+
diff --git a/mysql-test/t/lowercase_table2.test b/mysql-test/t/lowercase_table2.test
index c02ae8f5073..521df01cc9b 100644
--- a/mysql-test/t/lowercase_table2.test
+++ b/mysql-test/t/lowercase_table2.test
@@ -139,3 +139,14 @@ select t1Aa.col1 from t1aA,t2Aa where t1Aa.col1 = t2aA.col1;
 drop table t2aA, t1Aa;
 
 # End of 4.1 tests
+
+#
+# Bug#17661 information_schema.SCHEMATA returns uppercase with lower_case_table_names = 1
+#
+create database mysqltest_LC2;
+use mysqltest_LC2;
+create table myUC (i int);
+select TABLE_SCHEMA,TABLE_NAME FROM information_schema.TABLES
+where TABLE_SCHEMA ='mysqltest_LC2';
+use test;
+drop database mysqltest_LC2;
diff --git a/sql/item_strfunc.h b/sql/item_strfunc.h
index 35d8ac1873b..b2e63deed92 100644
--- a/sql/item_strfunc.h
+++ b/sql/item_strfunc.h
@@ -691,6 +691,7 @@ public:
                                  str->charset(), conv_charset, &errors))
         null_value= 1;
       use_cached_value= 1;
+      str_value.mark_as_const();
       safe= (errors == 0);
     }
     else
diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index f500e3bf481..750eae3ad82 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -2394,7 +2394,7 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
   ST_SCHEMA_TABLE *schema_table= tables->schema_table;
   SELECT_LEX sel;
   INDEX_FIELD_VALUES idx_field_vals;
-  char path[FN_REFLEN], *end, *base_name, *file_name;
+  char path[FN_REFLEN], *end, *base_name, *orig_base_name, *file_name;
   uint len;
   bool with_i_schema;
   enum enum_schema_tables schema_table_idx;
@@ -2474,7 +2474,7 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
 
   partial_cond= make_cond_for_info_schema(cond, tables);
   it.rewind(); /* To get access to new elements in basis list */
-  while ((base_name= it++) ||
+  while ((orig_base_name= base_name= it++) ||
 	 /*
 	   generate error for non existing database.
 	   (to save old behaviour for SHOW TABLES FROM db)
@@ -2505,6 +2505,8 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
         if (mysql_find_files(thd, &files, base_name, 
                              path, idx_field_vals.table_value, 0))
           goto err;
+        if (lower_case_table_names)
+          orig_base_name= thd->strdup(base_name);
       }
 
       List_iterator_fast<char> it_files(files);
@@ -2573,7 +2575,7 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
               in this case.
             */
             res= schema_table->process_table(thd, show_table_list, table,
-                                             res, base_name,
+                                             res, orig_base_name,
                                              show_table_list->alias);
             close_tables_for_reopen(thd, &show_table_list);
             DBUG_ASSERT(!lex->query_tables_own_last);