Commit ea41474b authored by unknown's avatar unknown

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

into  mockturtle.local:/home/dlenev/src/mysql-5.0-merge

parents 2ed7eaf5 259a4658
# include/wait_show_pattern.inc
#
# SUMMARY
#
# Waits until output produced by SHOW statement which particular type is
# specified as parameter matches certain pattern or maximum time reached.
#
# NOTES
#
# Only the first row produced by the parameter statement is checked.
#
# USAGE
#
# let $show_type= <Tail of SHOW statement>;
# let $show_pattern= 'Pattern to be used for LIKE matching';
# --source wait_show_pattern.inc
#
# EXAMPLES
#
# alter_table-big.test, wait_slave_status.inc
#
# SEE ALSO
#
# wait_slave_status.inc, wait_condition.inc (>=5.1)
#
###############################################################################
--disable_query_log
# We accept to wait maximum 30 seconds (0.2 sec/loop).
let $wait_counter= 150;
while ($wait_counter)
{
let $result= `SHOW $show_type`;
let $success= `SELECT '$result' LIKE $show_pattern`;
if ($success)
{
let $wait_counter= 0;
}
if (!$success)
{
real_sleep 0.2;
dec $wait_counter;
}
}
if (!$success)
{
echo Timeout in wait_show_pattern.inc \$show_type= $show_type \$show_pattern= $show_pattern (\$result= '$result');
}
--enable_query_log
......@@ -104,50 +104,21 @@
eval SELECT "let \$result_pattern= $result_pattern ;" AS "";
SELECT '--source include/wait_slave_status.inc' AS "";
# We accept to wait maximum 30 seconds (0.2 sec/loop).
let $max_wait= 150;
while ($max_wait)
{
let $my_val= `SHOW SLAVE STATUS`;
# Now we have the first record of the SHOW result set as one fat string
# within the variable $my_val.
eval SET @my_val = '$my_val';
# DEBUG eval SELECT @my_val AS "response to SHOW SLAVE STATUS";
let $show_type= SLAVE STATUS;
let $show_pattern= $result_pattern;
--enable_query_log
eval SELECT @my_val LIKE $result_pattern INTO @success;
# @success is '1' if we have a match
# '0' if we have no match
# DEBUG SELECT @success;
--source include/wait_show_pattern.inc
let $success= `SELECT @success`;
let $no_success= `SELECT @success = 0`;
if ($success)
{
# We reached the expected result and want to jump out of the loop
# without unneeded sleeps.
# Attention: Do not set $max_wait to 0, because "while" with negative value
# does not work.
let $max_wait= 1;
}
if ($no_success)
{
# We did not reach the expected result and will have to sleep again
# or jump out of the loop, when max_wait is exhausted.
real_sleep 0.2;
}
dec $max_wait;
}
--enable_query_log
if ($no_success)
if (!$success)
{
let $message= ! Attention: Timeout in wait_slave_status.inc.
| Possible reasons with decreasing probability:
| - The LIKE pattern ($result_pattern) is wrong, because the
| - The LIKE pattern is wrong, because the
| testcase was altered or the layout of the
| SHOW SLAVE STATUS result set changed.
| - There is a new bug within the replication.
| - We met an extreme testing environment and $max_wait is
| - We met an extreme testing environment and timeout is
| too small.;
--source include/show_msg80.inc
--echo DEBUG INFO START (wait_slave_status.inc):
......
drop table if exists t1, t2;
create table t1 (n1 int, n2 int, n3 int,
key (n1, n2, n3),
key (n2, n3, n1),
key (n3, n1, n2));
create table t2 (i int);
alter table t1 disable keys;
reset master;
alter table t1 enable keys;;
insert into t2 values (1);
insert into t1 values (1, 1, 1);
show binlog events in 'master-bin.000001' from 98;
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Query 1 # use `test`; insert into t2 values (1)
master-bin.000001 # Query 1 # use `test`; alter table t1 enable keys
master-bin.000001 # Query 1 # use `test`; insert into t1 values (1, 1, 1)
drop tables t1, t2;
End of 5.0 tests
......@@ -703,6 +703,119 @@ SHOW INDEX FROM bug24219_2;
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
bug24219_2 1 a 1 a A NULL NULL NULL YES BTREE disabled
DROP TABLE bug24219_2;
drop table if exists table_24562;
create table table_24562(
section int,
subsection int,
title varchar(50));
insert into table_24562 values
(1, 0, "Introduction"),
(1, 1, "Authors"),
(1, 2, "Acknowledgements"),
(2, 0, "Basics"),
(2, 1, "Syntax"),
(2, 2, "Client"),
(2, 3, "Server"),
(3, 0, "Intermediate"),
(3, 1, "Complex queries"),
(3, 2, "Stored Procedures"),
(3, 3, "Stored Functions"),
(4, 0, "Advanced"),
(4, 1, "Replication"),
(4, 2, "Load balancing"),
(4, 3, "High availability"),
(5, 0, "Conclusion");
select * from table_24562;
section subsection title
1 0 Introduction
1 1 Authors
1 2 Acknowledgements
2 0 Basics
2 1 Syntax
2 2 Client
2 3 Server
3 0 Intermediate
3 1 Complex queries
3 2 Stored Procedures
3 3 Stored Functions
4 0 Advanced
4 1 Replication
4 2 Load balancing
4 3 High availability
5 0 Conclusion
alter table table_24562 add column reviewer varchar(20),
order by title;
select * from table_24562;
section subsection title reviewer
1 2 Acknowledgements NULL
4 0 Advanced NULL
1 1 Authors NULL
2 0 Basics NULL
2 2 Client NULL
3 1 Complex queries NULL
5 0 Conclusion NULL
4 3 High availability NULL
3 0 Intermediate NULL
1 0 Introduction NULL
4 2 Load balancing NULL
4 1 Replication NULL
2 3 Server NULL
3 3 Stored Functions NULL
3 2 Stored Procedures NULL
2 1 Syntax NULL
update table_24562 set reviewer="Me" where section=2;
update table_24562 set reviewer="You" where section=3;
alter table table_24562
order by section ASC, subsection DESC;
select * from table_24562;
section subsection title reviewer
1 2 Acknowledgements NULL
1 1 Authors NULL
1 0 Introduction NULL
2 3 Server Me
2 2 Client Me
2 1 Syntax Me
2 0 Basics Me
3 3 Stored Functions You
3 2 Stored Procedures You
3 1 Complex queries You
3 0 Intermediate You
4 3 High availability NULL
4 2 Load balancing NULL
4 1 Replication NULL
4 0 Advanced NULL
5 0 Conclusion NULL
alter table table_24562
order by table_24562.subsection ASC, table_24562.section DESC;
select * from table_24562;
section subsection title reviewer
5 0 Conclusion NULL
4 0 Advanced NULL
3 0 Intermediate You
2 0 Basics Me
1 0 Introduction NULL
4 1 Replication NULL
3 1 Complex queries You
2 1 Syntax Me
1 1 Authors NULL
4 2 Load balancing NULL
3 2 Stored Procedures You
2 2 Client Me
1 2 Acknowledgements NULL
4 3 High availability NULL
3 3 Stored Functions You
2 3 Server Me
alter table table_24562 order by 12;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '12' at line 1
alter table table_24562 order by (section + 12);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(section + 12)' at line 1
alter table table_24562 order by length(title);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'length(title)' at line 1
alter table table_24562 order by (select 12 from dual);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(select 12 from dual)' at line 1
alter table table_24562 order by no_such_col;
ERROR 42S22: Unknown column 'no_such_col' in 'order clause'
drop table table_24562;
create table t1 (mycol int(10) not null);
alter table t1 alter column mycol set default 0;
desc t1;
......
......@@ -1645,4 +1645,20 @@ t1 CREATE TABLE `t1` (
) ENGINE=MyISAM AUTO_INCREMENT=100 DEFAULT CHARSET=latin1 COMMENT='comment for table t1'
deallocate prepare stmt;
drop table t1, t2;
drop tables if exists t1;
create table t1 (id int primary key auto_increment, value varchar(10));
insert into t1 (id, value) values (1, 'FIRST'), (2, 'SECOND'), (3, 'THIRD');
prepare stmt from "insert into t1 (id, value) select * from (select 4 as i, 'FOURTH' as v) as y on duplicate key update v = 'DUP'";
execute stmt;
ERROR 42S22: Unknown column 'v' in 'field list'
execute stmt;
ERROR 42S22: Unknown column 'v' in 'field list'
deallocate prepare stmt;
prepare stmt from "insert into t1 (id, value) select * from (select 4 as id, 'FOURTH' as value) as y on duplicate key update y.value = 'DUP'";
execute stmt;
ERROR 42S22: Unknown column 'y.value' in 'field list'
execute stmt;
ERROR 42S22: Unknown column 'y.value' in 'field list'
deallocate prepare stmt;
drop tables t1;
End of 5.0 tests.
......@@ -1250,3 +1250,22 @@ ERROR HY000: View's SELECT contains a variable or parameter
PREPARE stmt FROM "CREATE VIEW v AS SELECT ?";
ERROR HY000: View's SELECT contains a variable or parameter
DROP TABLE t1;
drop tables if exists t1;
drop procedure if exists bug24491;
create table t1 (id int primary key auto_increment, value varchar(10));
insert into t1 (id, value) values (1, 'FIRST'), (2, 'SECOND'), (3, 'THIRD');
create procedure bug24491()
insert into t1 (id, value) select * from (select 4 as i, 'FOURTH' as v) as y on duplicate key update v = 'DUP';
call bug24491();
ERROR 42S22: Unknown column 'v' in 'field list'
call bug24491();
ERROR 42S22: Unknown column 'v' in 'field list'
drop procedure bug24491;
create procedure bug24491()
insert into t1 (id, value) select * from (select 4 as id, 'FOURTH' as value) as y on duplicate key update y.value = 'DUP';
call bug24491();
ERROR 42S22: Unknown column 'y.value' in 'field list'
call bug24491();
ERROR 42S22: Unknown column 'y.value' in 'field list'
drop procedure bug24491;
drop tables t1;
......@@ -731,3 +731,46 @@ SELECT * FROM v1;
ERROR HY000: There is no 'def_17254'@'localhost' registered
DROP USER inv_17254@localhost;
DROP DATABASE db17254;
DROP DATABASE IF EXISTS mysqltest_db1;
DROP DATABASE IF EXISTS mysqltest_db2;
DROP USER mysqltest_u1;
DROP USER mysqltest_u2;
CREATE USER mysqltest_u1@localhost;
CREATE USER mysqltest_u2@localhost;
CREATE DATABASE mysqltest_db1;
CREATE DATABASE mysqltest_db2;
GRANT ALL ON mysqltest_db1.* TO mysqltest_u1@localhost WITH GRANT OPTION;
GRANT ALL ON mysqltest_db2.* TO mysqltest_u2@localhost;
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1);
CREATE VIEW v1 AS SELECT i FROM t1 WHERE 1 IN (SELECT * FROM t1);
CREATE TABLE t2 (s CHAR(7));
INSERT INTO t2 VALUES ('public');
GRANT SELECT ON v1 TO mysqltest_u2@localhost;
GRANT SELECT ON t2 TO mysqltest_u2@localhost;
SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
i s
1 public
PREPARE stmt1 FROM "SELECT * FROM mysqltest_db1.t2";
EXECUTE stmt1;
s
public
PREPARE stmt2 FROM "SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2";
EXECUTE stmt2;
i s
1 public
REVOKE SELECT ON t2 FROM mysqltest_u2@localhost;
UPDATE t2 SET s = 'private' WHERE s = 'public';
SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
ERROR 42000: SELECT command denied to user 'mysqltest_u2'@'localhost' for table 't2'
EXECUTE stmt1;
ERROR 42000: SELECT command denied to user 'mysqltest_u2'@'localhost' for table 't2'
EXECUTE stmt2;
ERROR 42000: SELECT command denied to user 'mysqltest_u2'@'localhost' for table 't2'
REVOKE ALL ON mysqltest_db1.* FROM mysqltest_u1@localhost;
REVOKE ALL ON mysqltest_db2.* FROM mysqltest_u2@localhost;
DROP DATABASE mysqltest_db1;
DROP DATABASE mysqltest_db2;
DROP USER mysqltest_u1@localhost;
DROP USER mysqltest_u2@localhost;
End of 5.0 tests.
# In order to be more or less robust test for bug#25044 has to take
# significant time (e.g. about 9 seconds on my (Dmitri's) computer)
# so we probably want execute it only in --big-test mode.
# Also in 5.1 this test will require statement-based binlog.
--source include/big_test.inc
#
# Test for bug #25044 "ALTER TABLE ... ENABLE KEYS acquires global
# 'opening tables' lock".
#
# ALTER TABLE ... ENABLE KEYS should not acquire LOCK_open mutex for
# the whole its duration as it prevents other queries from execution.
--disable_warnings
drop table if exists t1, t2;
--enable_warnings
connect (addconroot, localhost, root,,);
connection default;
create table t1 (n1 int, n2 int, n3 int,
key (n1, n2, n3),
key (n2, n3, n1),
key (n3, n1, n2));
create table t2 (i int);
# Populating 't1' table with keys disabled, so ALTER TABLE .. ENABLE KEYS
# will run for some time
alter table t1 disable keys;
--disable_query_log
insert into t1 values (RAND()*1000,RAND()*1000,RAND()*1000);
let $1=19;
while ($1)
{
eval insert into t1 select RAND()*1000,RAND()*1000,RAND()*1000 from t1;
dec $1;
}
--enable_query_log
# Later we use binlog to check the order in which statements are
# executed so let us reset it first.
reset master;
--send alter table t1 enable keys;
connection addconroot;
let $show_type= PROCESSLIST;
let $show_pattern= '%Repair by sorting%alter table t1 enable keys%';
--source include/wait_show_pattern.inc
# This statement should not be blocked by in-flight ALTER and therefore
# should be executed and written to binlog before ALTER TABLE ... ENABLE KEYS
# finishes.
insert into t2 values (1);
# And this should wait until the end of ALTER TABLE ... ENABLE KEYS.
insert into t1 values (1, 1, 1);
connection default;
--reap
# Check that statements were executed/binlogged in correct order.
--replace_column 2 # 5 #
show binlog events in 'master-bin.000001' from 98;
# Clean up
drop tables t1, t2;
--echo End of 5.0 tests
......@@ -528,6 +528,71 @@ SHOW INDEX FROM bug24219_2;
DROP TABLE bug24219_2;
#
# Bug#24562 (ALTER TABLE ... ORDER BY ... with complex expression asserts)
#
--disable_warnings
drop table if exists table_24562;
--enable_warnings
create table table_24562(
section int,
subsection int,
title varchar(50));
insert into table_24562 values
(1, 0, "Introduction"),
(1, 1, "Authors"),
(1, 2, "Acknowledgements"),
(2, 0, "Basics"),
(2, 1, "Syntax"),
(2, 2, "Client"),
(2, 3, "Server"),
(3, 0, "Intermediate"),
(3, 1, "Complex queries"),
(3, 2, "Stored Procedures"),
(3, 3, "Stored Functions"),
(4, 0, "Advanced"),
(4, 1, "Replication"),
(4, 2, "Load balancing"),
(4, 3, "High availability"),
(5, 0, "Conclusion");
select * from table_24562;
alter table table_24562 add column reviewer varchar(20),
order by title;
select * from table_24562;
update table_24562 set reviewer="Me" where section=2;
update table_24562 set reviewer="You" where section=3;
alter table table_24562
order by section ASC, subsection DESC;
select * from table_24562;
alter table table_24562
order by table_24562.subsection ASC, table_24562.section DESC;
select * from table_24562;
--error ER_PARSE_ERROR
alter table table_24562 order by 12;
--error ER_PARSE_ERROR
alter table table_24562 order by (section + 12);
--error ER_PARSE_ERROR
alter table table_24562 order by length(title);
--error ER_PARSE_ERROR
alter table table_24562 order by (select 12 from dual);
--error ER_BAD_FIELD_ERROR
alter table table_24562 order by no_such_col;
drop table table_24562;
# End of 4.1 tests
#
......
......@@ -1649,6 +1649,7 @@ execute sq;
deallocate prepare no_index;
deallocate prepare sq;
#
# Bug 25027: query with a single-row non-correlated subquery
# and IS NULL predicate
......@@ -1743,4 +1744,34 @@ drop table t1, t2;
#deallocate prepare stmt;
#set @@character_set_server= @old_character_set_server;
#
# BUG#24491 "using alias from source table in insert ... on duplicate key"
#
--disable_warnings
drop tables if exists t1;
--enable_warnings
create table t1 (id int primary key auto_increment, value varchar(10));
insert into t1 (id, value) values (1, 'FIRST'), (2, 'SECOND'), (3, 'THIRD');
# Let us prepare INSERT ... SELECT ... ON DUPLICATE KEY UPDATE statement
# which in its ON DUPLICATE KEY clause erroneously tries to assign value
# to a column which is mentioned only in SELECT part.
prepare stmt from "insert into t1 (id, value) select * from (select 4 as i, 'FOURTH' as v) as y on duplicate key update v = 'DUP'";
# Both first and second attempts to execute it should fail
--error ER_BAD_FIELD_ERROR
execute stmt;
--error ER_BAD_FIELD_ERROR
execute stmt;
deallocate prepare stmt;
# And now the same test for more complex case which is more close
# to the one that was reported originally.
prepare stmt from "insert into t1 (id, value) select * from (select 4 as id, 'FOURTH' as value) as y on duplicate key update y.value = 'DUP'";
--error ER_BAD_FIELD_ERROR
execute stmt;
--error ER_BAD_FIELD_ERROR
execute stmt;
deallocate prepare stmt;
drop tables t1;
--echo End of 5.0 tests.
......@@ -1808,6 +1808,38 @@ PREPARE stmt FROM "CREATE VIEW v AS SELECT ?";
DROP TABLE t1;
#
# BUG#24491 "using alias from source table in insert ... on duplicate key"
#
--disable_warnings
drop tables if exists t1;
drop procedure if exists bug24491;
--enable_warnings
create table t1 (id int primary key auto_increment, value varchar(10));
insert into t1 (id, value) values (1, 'FIRST'), (2, 'SECOND'), (3, 'THIRD');
# Let us create routine with INSERT ... SELECT ... ON DUPLICATE KEY UPDATE
# statement which in its ON DUPLICATE KEY clause erroneously tries to assign
# value to a column which is mentioned only in SELECT part.
create procedure bug24491()
insert into t1 (id, value) select * from (select 4 as i, 'FOURTH' as v) as y on duplicate key update v = 'DUP';
# Both first and second calls to it should fail
--error ER_BAD_FIELD_ERROR
call bug24491();
--error ER_BAD_FIELD_ERROR
call bug24491();
drop procedure bug24491;
# And now the same test for more complex case which is more close
# to the one that was reported originally.
create procedure bug24491()
insert into t1 (id, value) select * from (select 4 as id, 'FOURTH' as value) as y on duplicate key update y.value = 'DUP';
--error ER_BAD_FIELD_ERROR
call bug24491();
--error ER_BAD_FIELD_ERROR
call bug24491();
drop procedure bug24491;
drop tables t1;
#
# BUG#NNNN: New bug synopsis
#
......
......@@ -927,6 +927,7 @@ DROP VIEW v2;
DROP VIEW v1;
DROP USER mysqltest_u1@localhost;
#
# Bug#17254: Error for DEFINER security on VIEW provides too much info
#
......@@ -964,4 +965,74 @@ DROP DATABASE db17254;
disconnect def;
disconnect inv;
# End of 5.0 tests.
#
# BUG#24404: strange bug with view+permission+prepared statement
#
--disable_warnings
DROP DATABASE IF EXISTS mysqltest_db1;
DROP DATABASE IF EXISTS mysqltest_db2;
--enable_warnings
--error 0,ER_CANNOT_USER
DROP USER mysqltest_u1;
--error 0,ER_CANNOT_USER
DROP USER mysqltest_u2;
CREATE USER mysqltest_u1@localhost;
CREATE USER mysqltest_u2@localhost;
CREATE DATABASE mysqltest_db1;
CREATE DATABASE mysqltest_db2;
GRANT ALL ON mysqltest_db1.* TO mysqltest_u1@localhost WITH GRANT OPTION;
GRANT ALL ON mysqltest_db2.* TO mysqltest_u2@localhost;
connect (conn1, localhost, mysqltest_u1, , mysqltest_db1);
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1);
# Use view with subquery for better coverage.
CREATE VIEW v1 AS SELECT i FROM t1 WHERE 1 IN (SELECT * FROM t1);
CREATE TABLE t2 (s CHAR(7));
INSERT INTO t2 VALUES ('public');
GRANT SELECT ON v1 TO mysqltest_u2@localhost;
GRANT SELECT ON t2 TO mysqltest_u2@localhost;
connect (conn2, localhost, mysqltest_u2, , mysqltest_db2);
SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
PREPARE stmt1 FROM "SELECT * FROM mysqltest_db1.t2";
EXECUTE stmt1;
PREPARE stmt2 FROM "SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2";
EXECUTE stmt2;
connection conn1;
# Make table 't2' private.
REVOKE SELECT ON t2 FROM mysqltest_u2@localhost;
UPDATE t2 SET s = 'private' WHERE s = 'public';
connection conn2;
--error ER_TABLEACCESS_DENIED_ERROR
SELECT * FROM mysqltest_db1.v1, mysqltest_db1.t2;
--error ER_TABLEACCESS_DENIED_ERROR
EXECUTE stmt1;
# Original bug was here: the statement didn't fail.
--error ER_TABLEACCESS_DENIED_ERROR
EXECUTE stmt2;
# Cleanup.
disconnect conn2;
disconnect conn1;
connection default;
REVOKE ALL ON mysqltest_db1.* FROM mysqltest_u1@localhost;
REVOKE ALL ON mysqltest_db2.* FROM mysqltest_u2@localhost;
DROP DATABASE mysqltest_db1;
DROP DATABASE mysqltest_db2;
DROP USER mysqltest_u1@localhost;
DROP USER mysqltest_u2@localhost;
--echo End of 5.0 tests.
......@@ -336,23 +336,18 @@ class Name_resolution_context_state
{
save_table_list= context->table_list;
save_first_name_resolution_table= context->first_name_resolution_table;
save_next_name_resolution_table= (context->first_name_resolution_table) ?
context->first_name_resolution_table->
next_name_resolution_table :
NULL;
save_resolve_in_select_list= context->resolve_in_select_list;
save_next_local= table_list->next_local;
save_next_name_resolution_table= table_list->next_name_resolution_table;
}
/* Restore a name resolution context from saved state. */
void restore_state(Name_resolution_context *context, TABLE_LIST *table_list)
{
table_list->next_local= save_next_local;
table_list->next_name_resolution_table= save_next_name_resolution_table;
context->table_list= save_table_list;
context->first_name_resolution_table= save_first_name_resolution_table;
if (context->first_name_resolution_table)
context->first_name_resolution_table->
next_name_resolution_table= save_next_name_resolution_table;
context->resolve_in_select_list= save_resolve_in_select_list;
}
};
......
......@@ -3163,19 +3163,30 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
if (!(alter_info->flags & ~(ALTER_RENAME | ALTER_KEYS_ONOFF)) &&
!table->s->tmp_table) // no need to touch frm
{
VOID(pthread_mutex_lock(&LOCK_open));
switch (alter_info->keys_onoff) {
case LEAVE_AS_IS:
error= 0;
break;
case ENABLE:
/*
wait_while_table_is_used() ensures that table being altered is
opened only by this thread and that TABLE::TABLE_SHARE::version
of TABLE object corresponding to this table is 0.
The latter guarantees that no DML statement will open this table
until ALTER TABLE finishes (i.e. until close_thread_tables())
while the fact that the table is still open gives us protection
from concurrent DDL statements.
*/
VOID(pthread_mutex_lock(&LOCK_open));
wait_while_table_is_used(thd, table, HA_EXTRA_FORCE_REOPEN);
VOID(pthread_mutex_unlock(&LOCK_open));
error= table->file->enable_indexes(HA_KEY_SWITCH_NONUNIQ_SAVE);
/* COND_refresh will be signaled in close_thread_tables() */
break;
case DISABLE:
VOID(pthread_mutex_lock(&LOCK_open));
wait_while_table_is_used(thd, table, HA_EXTRA_FORCE_REOPEN);
VOID(pthread_mutex_unlock(&LOCK_open));
error=table->file->disable_indexes(HA_KEY_SWITCH_NONUNIQ_SAVE);
/* COND_refresh will be signaled in close_thread_tables() */
break;
......@@ -3188,6 +3199,16 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
error= 0;
}
VOID(pthread_mutex_lock(&LOCK_open));
/*
Unlike to the above case close_cached_table() below will remove ALL
instances of TABLE from table cache (it will also remove table lock
held by this thread). So to make actual table renaming and writing
to binlog atomic we have to put them into the same critical section
protected by LOCK_open mutex. This also removes gap for races between
access() and mysql_rename_table() calls.
*/
if (!error && (new_name != table_name || new_db != db))
{
thd->proc_info="rename";
......
......@@ -1135,13 +1135,17 @@ bool mysql_make_view(THD *thd, File_parser *parser, TABLE_LIST *table,
/*
Prepare a security context to check underlying objects of the view
*/
Security_context *save_security_ctx= thd->security_ctx;
if (!(table->view_sctx= (Security_context *)
thd->stmt_arena->alloc(sizeof(Security_context))))
goto err;
/* Assign the context to the tables referenced in the view */
for (tbl= view_tables; tbl; tbl= tbl->next_global)
tbl->security_ctx= table->view_sctx;
if (view_tables)
{
DBUG_ASSERT(view_tables_tail);
for (tbl= view_tables; tbl != view_tables_tail->next_global;
tbl= tbl->next_global)
tbl->security_ctx= table->view_sctx;
}
/* assign security context to SELECT name resolution contexts of view */
for(SELECT_LEX *sl= lex->all_selects_list;
sl;
......
......@@ -3722,7 +3722,7 @@ alter_list_item:
{
Lex->alter_info.flags|= ALTER_FORCE;
}
| order_clause
| alter_order_clause
{
LEX *lex=Lex;
lex->alter_info.flags|= ALTER_ORDER;
......@@ -5942,6 +5942,29 @@ olap_opt:
}
;
/*
Order by statement in ALTER TABLE
*/
alter_order_clause:
ORDER_SYM BY alter_order_list
;
alter_order_list:
alter_order_list ',' alter_order_item
| alter_order_item
;
alter_order_item:
simple_ident_nospvar order_dir
{
THD *thd= YYTHD;
bool ascending= ($2 == 1) ? true : false;
if (add_order_to_list(thd, $1, ascending))
YYABORT;
}
;
/*
Order by statement in select
*/
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment