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Backport of revid:ingo.struewing@sun.com-20091223200354-r2uzbdkj2v6yv111

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Bug#47633 - assert in ha_myisammrg::info during OPTIMIZE
 
   The server crashed on an attempt to optimize a MERGE table with
   non-existent child table.
 
   mysql_admin_table() relied on the table to be successfully open
   if a table object had been allocated.
 
   Changed code to check return value of the open function before
   calling a handler:: function on it.

mysql-test/r/merge.result:
  Backport of revid:ingo.struewing@sun.com-20091223200354-r2uzbdkj2v6yv111
      Bug#47633 - assert in ha_myisammrg::info during OPTIMIZE
      Updated result file.
mysql-test/t/merge.test:
  Backport of revid:ingo.struewing@sun.com-20091223200354-r2uzbdkj2v6yv111
      Bug#47633 - assert in ha_myisammrg::info during OPTIMIZE
      Changed tests to respect changed TEMPORARY MERGE locking (unrelated).
      Changed tests to respect changed CREATE TABLE ... LIKE (unrelated).
      Changed tests to respect that no new tables can be created
      under LOCK TABLE (unrelated).
      Added test for Bug#47633.
  Changed error numbers to symbolic names.
  Added test for child locking for ALTER under LOCK TABLE.
  
  Since Bug 36171 is not pushed yet, not the whole patch has been backported.
mysys/my_delete.c:
  Backport of revid:ingo.struewing@sun.com-20091223200354-r2uzbdkj2v6yv111
      Bug#47633 - assert in ha_myisammrg::info during OPTIMIZE
      Fixed error reporting.
      Fixed indentation.
mysys/my_mmap.c:
  Backport of revid:ingo.struewing@sun.com-20091223200354-r2uzbdkj2v6yv111
      Bug#47633 - assert in ha_myisammrg::info during OPTIMIZE
      Added DBUG.
sql/item_func.cc:
  Backport of revid:ingo.struewing@sun.com-20091223200354-r2uzbdkj2v6yv111
  Added Debug Sync point, required by merge_sync.test.
sql/sql_table.cc:
  Backport of revid:ingo.struewing@sun.com-20091223200354-r2uzbdkj2v6yv111
      Bug#47633 - assert in ha_myisammrg::info during OPTIMIZE
      Do not call handler:: functions if the table was not opened
      successfully.
  Added Debug Sync point, required by merge_sync.test.
storage/myisam/mi_check.c:
  Backport of revid:ingo.struewing@sun.com-20091223200354-r2uzbdkj2v6yv111
      Bug#47633 - assert in ha_myisammrg::info during OPTIMIZE
      Unmap memory before exchanging data files. Needed on Windows.
storage/myisammrg/ha_myisammrg.cc:
  Backport of revid:ingo.struewing@sun.com-20091223200354-r2uzbdkj2v6yv111
  Added Debug Sync point, required by merge_sync.test.
  
  merge_sync.test will be introduced by a patch for Bug 36171,
  which is not pushed yet.
This commit is contained in:
Alexander Nozdrin
2010-06-25 19:32:59 +04:00
parent 47edc4cade
commit 8f521b41ba
8 changed files with 124 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
mysql-test/r/merge.result
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@@ -1191,6 +1191,9 @@ SHOW CREATE TABLE t4;
ERROR HY000: Table 't4' was not locked with LOCK TABLES
INSERT INTO t4 VALUES (4);
ERROR HY000: Table 't4' was not locked with LOCK TABLES
# Temporary tables can be created in spite of LOCK TABLES.
# If the temporary MERGE table uses the locked children only,
# it can even be used.
CREATE TEMPORARY TABLE t4 LIKE t3;
SHOW CREATE TABLE t4;
ERROR HY000: Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
@@ -1672,6 +1675,7 @@ c1
33
DELETE FROM t4 WHERE c1 = 33;
DROP TRIGGER t3_ai;
UNLOCK TABLES;
#
# Trigger with table use on child
DELETE FROM t4 WHERE c1 = 4;
@@ -1854,9 +1858,9 @@ ALTER TABLE t2 UNION=(t3,t1);
SELECT * FROM t2;
ERROR HY000: Table 't3' is differently defined or of non-MyISAM type or doesn't exist
DROP TABLE t1, t2, t3;
CREATE TABLE t1 (c1 INT) ENGINE= MyISAM;
CREATE TABLE t2 (c1 INT) ENGINE= MyISAM;
CREATE TABLE t3 (c1 INT) ENGINE= MRG_MYISAM UNION= (t1, t2);
CREATE TABLE t1 (c1 INT) ENGINE=MyISAM;
CREATE TABLE t2 (c1 INT) ENGINE=MyISAM;
CREATE TABLE t3 (c1 INT) ENGINE=MRG_MYISAM UNION=(t1,t2);
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2);
SELECT * FROM t3;
@@ -2635,6 +2639,17 @@ DROP TRIGGER t2_au;
DROP FUNCTION f1;
DROP TABLE tm1, t1, t2, t3, t4, t5;
#
# Bug#47633 - assert in ha_myisammrg::info during OPTIMIZE
#
CREATE TEMPORARY TABLE t1 (c1 INT);
ALTER TABLE t1 ENGINE=MERGE UNION(t_not_exists,t1);
OPTIMIZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 optimize Error Table 'test.t_not_exists' doesn't exist
test.t1 optimize Error Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist
test.t1 optimize note The storage engine for the table doesn't support optimize
DROP TABLE t1;
#
# Bug47098 assert in MDL_context::destroy on HANDLER
# <damaged merge table> OPEN
#
@@ -2700,6 +2715,18 @@ ALTER TABLE m1 ADD INDEX (c1);
UNLOCK TABLES;
DROP TABLE m1, t1;
#
# If children are to be altered, they need an explicit lock.
#
CREATE TABLE t1 (c1 INT);
CREATE TABLE m1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1);
LOCK TABLE m1 WRITE;
ALTER TABLE t1 ADD INDEX (c1);
ERROR HY000: Table 't1' was locked with a READ lock and can't be updated
LOCK TABLE m1 WRITE, t1 WRITE;
ALTER TABLE t1 ADD INDEX (c1);
UNLOCK TABLES;
DROP TABLE m1, t1;
#
# Test for bug #37371 "CREATE TABLE LIKE merge loses UNION parameter"
#
drop tables if exists t1, m1, m2;