Commit d9373125 authored by igor@olga.mysql.com's avatar igor@olga.mysql.com
Browse files

Merge olga.mysql.com:/home/igor/mysql-5.0

into  olga.mysql.com:/home/igor/dev-opt/mysql-5.0-opt-merge
parents 3b39789e 2bfbe2cd
Loading
Loading
Loading
Loading
+10 −0
Original line number Diff line number Diff line
@@ -3995,4 +3995,14 @@ id select_type table type possible_keys key key_len ref rows Extra
1	SIMPLE	f1	index	inx	inx	10	NULL	7	Using where; Using index
1	SIMPLE	f2	ref	inx	inx	5	test.f1.b	1	Using where; Using index
DROP TABLE t1;
CREATE TABLE t1 (c1 INT, c2 INT);
INSERT INTO t1 VALUES (1,11), (2,22), (2,22);
EXPLAIN SELECT c1 FROM t1 WHERE (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT COUNT(c2)))))))))))))))))))))))))))))))) > 0;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	3	Using where
31	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
32	DEPENDENT SUBQUERY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
EXPLAIN SELECT c1 FROM t1 WHERE (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT (SELECT COUNT(c2))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))) > 0;
ERROR HY000: Too high level of nesting for select
DROP TABLE t1;
End of 5.0 tests
+16 −0
Original line number Diff line number Diff line
@@ -14,6 +14,22 @@ connection slave;
reset slave;
start slave io_thread;
# Give the I/O thread time to block.
let $run= 1;
let $counter= 300;
while ($run)
{
  let $io_state= query_get_value("SHOW SLAVE STATUS", Slave_IO_State, 1);
  if (`SELECT '$io_state' = 'Waiting for the slave SQL thread to free enough relay log space'`){
    let $run= 0;
  }
  sleep 0.1;
  if (!$counter){
   --echo "Failed while waiting for slave IO thread block"
   SHOW SLAVE STATUS;
   exit;
  }
  dec $counter;
}
sleep 2;
# A bug caused the I/O thread to refuse stopping.
stop slave io_thread;
+30 −0
Original line number Diff line number Diff line
@@ -3370,4 +3370,34 @@ EXPLAIN SELECT COUNT(*) FROM t1 f1 INNER JOIN t1 f2
    WHERE 1 AND f1.b NOT IN (100,2232,3343,51111);
DROP TABLE t1;    

#
# Bug #27352: Incorrect result of nested selects instead of error reporting
#

CREATE TABLE t1 (c1 INT, c2 INT);
INSERT INTO t1 VALUES (1,11), (2,22), (2,22);

let $n= 31;
let $q= COUNT(c2);
while ($n)
{
  let $q= (SELECT $q);
  dec $n;
}
--disable_warnings
eval EXPLAIN SELECT c1 FROM t1 WHERE $q > 0;
--enable_warnings

let $n= 64;
let $q= COUNT(c2);
while ($n)
{
  let $q= (SELECT $q);
  dec $n;
}
--error ER_TOO_HIGH_LEVEL_OF_NESTING_FOR_SELECT
eval EXPLAIN SELECT c1 FROM t1 WHERE $q > 0;

DROP TABLE t1;

--echo End of 5.0 tests
+7 −1
Original line number Diff line number Diff line
@@ -4828,7 +4828,8 @@ enum options_mysqld
  OPT_PORT_OPEN_TIMEOUT,
  OPT_MERGE,
  OPT_INNODB_ROLLBACK_ON_TIMEOUT,
  OPT_SECURE_FILE_PRIV
  OPT_SECURE_FILE_PRIV,
  OPT_KEEP_FILES_ON_CREATE
};


@@ -5830,6 +5831,11 @@ log and this option does nothing anymore.",
   (gptr*) &max_system_variables.join_buff_size, 0, GET_ULONG,
   REQUIRED_ARG, 128*1024L, IO_SIZE*2+MALLOC_OVERHEAD, ~0L, MALLOC_OVERHEAD,
   IO_SIZE, 0},
  {"keep_files_on_create", OPT_KEEP_FILES_ON_CREATE,
   "Don't overwrite stale .MYD and .MYI even if no directory is specified.",
   (gptr*) &global_system_variables.keep_files_on_create,
   (gptr*) &max_system_variables.keep_files_on_create,
   0, GET_BOOL, OPT_ARG, 0, 0, 0, 0, 0, 0},
  {"key_buffer_size", OPT_KEY_BUFFER_SIZE,
   "The size of the buffer used for index blocks for MyISAM tables. Increase this to get better index handling (for all reads and multiple writes) to as much as you can afford; 64M on a 256M machine that mainly runs MySQL is quite common.",
   (gptr*) &dflt_key_cache_var.param_buff_size,
+2 −0
Original line number Diff line number Diff line
@@ -5635,3 +5635,5 @@ ER_NON_INSERTABLE_TABLE
	eng "The target table %-.100s of the %s is not insertable-into"
ER_ADMIN_WRONG_MRG_TABLE
	eng "Table '%-.64s' is differently defined or of non-MyISAM type or doesn't exist"
ER_TOO_HIGH_LEVEL_OF_NESTING_FOR_SELECT
	eng "Too high level of nesting for select"
Loading