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Merge bk-internal.mysql.com:/home/bk/mysql-5.0-runtime

Browse Source 
into  mysql.com:/home/dlenev/mysql-5.0-bg15153-2
This commit is contained in:
unknown 2006-04-22 11:56:15 +04:00
commit 2efefe6890
5 changed files with 113 additions and 4 deletions
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17
mysql-test/r/timezone_grant.result
View File

@ -1,3 +1,5 @@
drop tables if exists t1, t2;
drop view if exists v1;
delete from mysql.user where user like 'mysqltest\_%';
delete from mysql.db where user like 'mysqltest\_%';
delete from mysql.tables_priv where user like 'mysqltest\_%';
@ -59,3 +61,18 @@ delete from mysql.db where user like 'mysqltest\_%';
delete from mysql.tables_priv where user like 'mysqltest\_%';
flush privileges;
drop table t1, t2;
create table t1 (a int, b datetime);
insert into t1 values (1, 20010101000000), (2, 20020101000000);
grant all privileges on test.* to mysqltest_1@localhost;
create view v1 as select a, convert_tz(b, 'UTC', 'Europe/Moscow') as lb from t1;
select * from v1;
a lb
1 2001-01-01 03:00:00
2 2002-01-01 03:00:00
select * from v1, mysql.time_zone;
ERROR 42000: SELECT command denied to user 'mysqltest_1'@'localhost' for table 'time_zone'
drop view v1;
create view v1 as select a, convert_tz(b, 'UTC', 'Europe/Moscow') as lb from t1, mysql.time_zone;
ERROR 42000: ANY command denied to user 'mysqltest_1'@'localhost' for table 'time_zone'
drop table t1;
drop user mysqltest_1@localhost;

26
mysql-test/r/view.result
View File

@ -2623,3 +2623,29 @@ select * from v1;
ERROR HY000: Recursive stored functions and triggers are not allowed.
drop function f1;
drop view t1, v1;
create table t1 (dt datetime);
insert into t1 values (20040101000000), (20050101000000), (20060101000000);
create view v1 as select convert_tz(dt, 'UTC', 'Europe/Moscow') as ldt from t1;
select * from v1;
ldt
2004-01-01 03:00:00
2005-01-01 03:00:00
2006-01-01 03:00:00
drop view v1;
create view v1 as select * from t1 where convert_tz(dt, 'UTC', 'Europe/Moscow') >= 20050101000000;
select * from v1;
dt
2005-01-01 00:00:00
2006-01-01 00:00:00
create view v2 as select * from v1 where dt < 20060101000000;
select * from v2;
dt
2005-01-01 00:00:00
drop view v2;
create view v2 as select convert_tz(dt, 'UTC', 'Europe/Moscow') as ldt from v1;
select * from v2;
ldt
2005-01-01 03:00:00
2006-01-01 03:00:00
drop view v1, v2;
drop table t1;

31
mysql-test/t/timezone_grant.test
View File

@ -1,6 +1,11 @@
# Embedded server testing does not support grants
-- source include/not_embedded.inc
--disable_warnings
drop tables if exists t1, t2;
drop view if exists v1;
--enable_warnings
#
# Test for bug #6116 "SET time_zone := ... requires access to mysql.time_zone
# tables". We should allow implicit access to time zone description tables
@ -82,3 +87,29 @@ flush privileges;
drop table t1, t2;
# End of 4.1 tests
#
# Additional test for bug #15153: CONVERT_TZ() is not allowed in all
# places in views.
#
# Let us check that usage of CONVERT_TZ() function in view does not
# require additional privileges.
# Let us rely on that previous tests done proper cleanups
create table t1 (a int, b datetime);
insert into t1 values (1, 20010101000000), (2, 20020101000000);
grant all privileges on test.* to mysqltest_1@localhost;
connect (tzuser3, localhost, mysqltest_1,,);
create view v1 as select a, convert_tz(b, 'UTC', 'Europe/Moscow') as lb from t1;
select * from v1;
# Of course we should not be able select from mysql.time_zone tables
--error ER_TABLEACCESS_DENIED_ERROR
select * from v1, mysql.time_zone;
drop view v1;
--error ER_TABLEACCESS_DENIED_ERROR
create view v1 as select a, convert_tz(b, 'UTC', 'Europe/Moscow') as lb from t1, mysql.time_zone;
connection default;
drop table t1;
drop user mysqltest_1@localhost;
# End of 5.0 tests

27
mysql-test/t/view.test
View File

@ -2485,3 +2485,30 @@ rename table v2 to t1;
select * from v1;
drop function f1;
drop view t1, v1;
#
# Bug #15153: CONVERT_TZ() is not allowed in all places in VIEWs
#
# Error was reported when one tried to use CONVERT_TZ() function
# select list of view which was processed using MERGE algorithm.
# (Also see additional test in timezone_grant.test)
create table t1 (dt datetime);
insert into t1 values (20040101000000), (20050101000000), (20060101000000);
# Let us test that convert_tz() can be used in view's select list
create view v1 as select convert_tz(dt, 'UTC', 'Europe/Moscow') as ldt from t1;
select * from v1;
drop view v1;
# And in its where part
create view v1 as select * from t1 where convert_tz(dt, 'UTC', 'Europe/Moscow') >= 20050101000000;
select * from v1;
# Other interesting case - a view which uses convert_tz() function
# through other view.
create view v2 as select * from v1 where dt < 20060101000000;
select * from v2;
drop view v2;
# And even more interesting case when view uses convert_tz() both
# directly and indirectly
create view v2 as select convert_tz(dt, 'UTC', 'Europe/Moscow') as ldt from v1;
select * from v2;
drop view v1, v2;
drop table t1;

16
sql/sql_view.cc
View File

@ -1057,15 +1057,23 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table)
!old_lex->can_not_use_merged())
{
List_iterator_fast<TABLE_LIST> ti(view_select->top_join_list);
/*
Currently 'view_main_select_tables' differs from 'view_tables'
only then view has CONVERT_TZ() function in its select list.
This may change in future, for example if we enable merging
of views with subqueries in select list.
*/
TABLE_LIST *view_main_select_tables=
(TABLE_LIST*)lex->select_lex.table_list.first;
/* lex should contain at least one table */
DBUG_ASSERT(view_tables != 0);
DBUG_ASSERT(view_main_select_tables != 0);
table->effective_algorithm= VIEW_ALGORITHM_MERGE;
DBUG_PRINT("info", ("algorithm: MERGE"));
table->updatable= (table->updatable_view != 0);
table->effective_with_check=
old_lex->get_effective_with_check(table);
table->merge_underlying_list= view_tables;
table->merge_underlying_list= view_main_select_tables;
/*
Let us set proper lock type for tables of the view's main select
since we may want to perform update or insert on view. This won't
@ -1081,7 +1089,7 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table)
}
/* prepare view context */
lex->select_lex.context.resolve_in_table_list_only(view_tables);
lex->select_lex.context.resolve_in_table_list_only(view_main_select_tables);
lex->select_lex.context.outer_context= 0;
lex->select_lex.context.select_lex= table->select_lex;
lex->select_lex.select_n_having_items+=
@ -1097,7 +1105,7 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table)
tbl->select_lex= table->select_lex;
{
if (view_tables->next_local)
if (view_main_select_tables->next_local)
{
table->multitable_view= TRUE;
if (table->belong_to_view)