diff options
author | unknown <monty@hundin.mysql.fi> | 2001-11-26 03:30:16 +0200 |
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committer | unknown <monty@hundin.mysql.fi> | 2001-11-26 03:30:16 +0200 |
commit | 00d82156b2f713963edb0cfbf40273eb27c00138 (patch) | |
tree | 5af6c2ffd0a12a6830b9504e665f80be858ad71d | |
parent | c9fde1557e0be7b022c883548e7901d0629b029a (diff) | |
parent | 0c9d051c1624b6c097b6c254b9350f919ad01eb9 (diff) | |
download | mariadb-git-00d82156b2f713963edb0cfbf40273eb27c00138.tar.gz |
merge
Docs/manual.texi:
Auto merged
sql/mysqld.cc:
Auto merged
sql/records.cc:
Auto merged
sql/sql_repl.h:
Auto merged
sql/sql_table.cc:
Auto merged
mysql-test/t/bdb-crash.test:
Auto merged
sql/sql_repl.cc:
use local file
-rw-r--r-- | Docs/manual.texi | 16 | ||||
-rw-r--r-- | mysql-test/r/bdb-deadlock.result | 10 | ||||
-rw-r--r-- | mysql-test/t/backup.test | 1 | ||||
-rw-r--r-- | mysql-test/t/bdb-crash.test | 14 | ||||
-rw-r--r-- | mysql-test/t/bdb-deadlock.test | 48 | ||||
-rw-r--r-- | mysys/thr_lock.c | 3 | ||||
-rw-r--r-- | sql/records.cc | 44 | ||||
-rw-r--r-- | sql/sql_table.cc | 9 |
8 files changed, 123 insertions, 22 deletions
diff --git a/Docs/manual.texi b/Docs/manual.texi index e59e97a1b29..5d86eb7192d 100644 --- a/Docs/manual.texi +++ b/Docs/manual.texi @@ -46244,6 +46244,7 @@ users use this code as the rest of the code and because of this we are not yet 100% confident in this code. @menu +* News-3.23.46:: * News-3.23.45:: Changes in release 3.23.45 * News-3.23.44:: Changes in release 3.23.44 * News-3.23.43:: Changes in release 3.23.43 @@ -46293,7 +46294,20 @@ not yet 100% confident in this code. * News-3.23.0:: Changes in release 3.23.0 @end menu -@node News-3.23.45, News-3.23.44, News-3.23.x, News-3.23.x +@node News-3.23.46, News-3.23.45, News-3.23.x, News-3.23.x +@appendixsubsec Changes in release 3.23.46 +@itemize @bullet +@item +Fixed bug where one got an empty set instead of a DEADLOCK error when using +BDB tables. +@item +One can now kill @code{ANALYZE},@code{REPAIR} and @code{OPTIMIZE TABLE} when +the thread is waiting to get a lock on the table. +@item +Fixed race condition in @code{ANALYZE TABLE}. +@end itemize + +@node News-3.23.45, News-3.23.44, News-3.23.46, News-3.23.x @appendixsubsec Changes in release 3.23.45 @itemize @bullet @item diff --git a/mysql-test/r/bdb-deadlock.result b/mysql-test/r/bdb-deadlock.result new file mode 100644 index 00000000000..89077d16980 --- /dev/null +++ b/mysql-test/r/bdb-deadlock.result @@ -0,0 +1,10 @@ +x +1 +id x +0 1 +id x +0 1 +id x +0 1 +id x +0 1 diff --git a/mysql-test/t/backup.test b/mysql-test/t/backup.test index c622522c870..ad332cde646 100644 --- a/mysql-test/t/backup.test +++ b/mysql-test/t/backup.test @@ -39,3 +39,4 @@ reap; unlock tables; connection con1; reap; +drop table t1; diff --git a/mysql-test/t/bdb-crash.test b/mysql-test/t/bdb-crash.test index e2d2cd42be2..cdbc2dbe0e4 100644 --- a/mysql-test/t/bdb-crash.test +++ b/mysql-test/t/bdb-crash.test @@ -1,8 +1,8 @@ -- source include/have_bdb.inc # test for bug reported by Mark Steele -drop table if exists tblChange; -CREATE TABLE tblCharge ( +drop table if exists t1; +CREATE TABLE t1 ( ChargeID int(10) unsigned DEFAULT '0' NOT NULL auto_increment, ServiceID int(10) unsigned DEFAULT '0' NOT NULL, ChargeDate date DEFAULT '0000-00-00' NOT NULL, @@ -20,16 +20,16 @@ DEFAULT 'New' NOT NULL, ) type=BDB; BEGIN; -INSERT INTO tblCharge +INSERT INTO t1 VALUES(NULL,1,'2001-03-01',1,1,1,'New',NULL,NULL,'now'); COMMIT; BEGIN; -UPDATE tblCharge SET ChargeAuthorizationMessage = 'blablabla' WHERE +UPDATE t1 SET ChargeAuthorizationMessage = 'blablabla' WHERE ChargeID = 1; COMMIT; -INSERT INTO tblCharge +INSERT INTO t1 VALUES(NULL,1,'2001-03-01',1,1,1,'New',NULL,NULL,'now'); -select * from tblCharge; -drop table tblCharge; +select * from t1; +drop table t1; diff --git a/mysql-test/t/bdb-deadlock.test b/mysql-test/t/bdb-deadlock.test new file mode 100644 index 00000000000..b32b50c715b --- /dev/null +++ b/mysql-test/t/bdb-deadlock.test @@ -0,0 +1,48 @@ +# This test doesn't work with the embedded version as this code +# assumes that one query is running while we are doing queries on +# a second connection. +# This would work if mysqltest run would be threaded and handle each +# connection in a separate thread. +# + +#-- source include/not_embedded.inc +-- source include/have_bdb.inc + +connect (con1,localhost,root,,); +connect (con2,localhost,root,,); + +drop table if exists t1,t2; +connection con1; +create table t1 (id integer, x integer) type=BDB; +create table t2 (id integer, x integer) type=BDB; +insert into t1 values(0, 0); +insert into t2 values(0, 0); +set autocommit=0; +update t1 set x = 1 where id = 0; + +connection con2; +set autocommit=0; +update t2 set x = 1 where id = 0; + +# The following query should hang because con1 is locking the page +--send +select x from t1 where id = 0; + +connection con1; +# This should generate a deadlock as we are trying to access a locked row +--error 1213 +select x from t2 where id = 0; +commit; + +connection con2; +reap; +commit; +select * from t1; +select * from t2; +commit; + +connection con1; +select * from t1; +select * from t2; +commit; +drop table t1,t2; diff --git a/mysys/thr_lock.c b/mysys/thr_lock.c index 10c803378df..aa50877072d 100644 --- a/mysys/thr_lock.c +++ b/mysys/thr_lock.c @@ -913,7 +913,8 @@ void thr_multi_unlock(THR_LOCK_DATA **data,uint count) DBUG_VOID_RETURN; } -/* Abort all threads waiting for a lock. The lock will be upgraded to a +/* + Abort all threads waiting for a lock. The lock will be upgraded to TL_WRITE_ONLY to abort any new accesses to the lock */ diff --git a/sql/records.cc b/sql/records.cc index 5edbd6896b5..37f79e54cf6 100644 --- a/sql/records.cc +++ b/sql/records.cc @@ -132,8 +132,13 @@ static int rr_quick(READ_RECORD *info) { if (tmp == HA_ERR_END_OF_FILE) tmp= -1; - else if (info->print_error) - info->file->print_error(tmp,MYF(0)); + else + { + if (info->print_error) + info->file->print_error(tmp,MYF(0)); + if (tmp < 0) // Fix negative BDB errno + tmp=1; + } } return tmp; } @@ -153,8 +158,13 @@ static int rr_sequential(READ_RECORD *info) { if (tmp == HA_ERR_END_OF_FILE) tmp= -1; - else if (info->print_error) - info->table->file->print_error(tmp,MYF(0)); + else + { + if (info->print_error) + info->table->file->print_error(tmp,MYF(0)); + if (tmp < 0) // Fix negative BDB errno + tmp=1; + } break; } } @@ -168,21 +178,27 @@ static int rr_from_tempfile(READ_RECORD *info) tryNext: if (my_b_read(info->io_cache,info->ref_pos,info->ref_length)) return -1; /* End of file */ - tmp=info->file->rnd_pos(info->record,info->ref_pos); - if (tmp) + if ((tmp=info->file->rnd_pos(info->record,info->ref_pos))) { if (tmp == HA_ERR_END_OF_FILE) tmp= -1; else if (tmp == HA_ERR_RECORD_DELETED) goto tryNext; - else if (info->print_error) - info->file->print_error(tmp,MYF(0)); + else + { + if (info->print_error) + info->file->print_error(tmp,MYF(0)); + if (tmp < 0) // Fix negative BDB errno + tmp=1; + } } return tmp; } /* rr_from_tempfile */ + static int rr_from_pointers(READ_RECORD *info) { + int tmp; byte *cache_pos; tryNext: if (info->cache_pos == info->cache_end) @@ -190,15 +206,19 @@ tryNext: cache_pos=info->cache_pos; info->cache_pos+=info->ref_length; - int tmp=info->file->rnd_pos(info->record,cache_pos); - if (tmp) + if ((tmp=info->file->rnd_pos(info->record,cache_pos))) { if (tmp == HA_ERR_END_OF_FILE) tmp= -1; else if (tmp == HA_ERR_RECORD_DELETED) goto tryNext; - else if (info->print_error) - info->file->print_error(tmp,MYF(0)); + else + { + if (info->print_error) + info->file->print_error(tmp,MYF(0)); + if (tmp < 0) // Fix negative BDB errno + tmp=1; + } } return tmp; } diff --git a/sql/sql_table.cc b/sql/sql_table.cc index b0e319288d9..049fb1c182c 100644 --- a/sql/sql_table.cc +++ b/sql/sql_table.cc @@ -954,9 +954,11 @@ static int mysql_admin_table(THD* thd, TABLE_LIST* tables, } /* Close all instances of the table to allow repair to rename files */ - if (open_for_modify && table->table->version) + if (lock_type == TL_WRITE && table->table->version) { pthread_mutex_lock(&LOCK_open); + const char *old_message=thd->enter_cond(&COND_refresh, &LOCK_open, + "Waiting to get writelock"); mysql_lock_abort(thd,table->table); while (remove_table_from_cache(thd, table->table->table_cache_key, table->table->real_name) && @@ -966,9 +968,11 @@ static int mysql_admin_table(THD* thd, TABLE_LIST* tables, (void) pthread_cond_wait(&COND_refresh,&LOCK_open); dropping_tables--; } + thd->exit_cond(old_message); pthread_mutex_unlock(&LOCK_open); if (thd->killed) goto err; + open_for_modify=0; } int result_code = (table->table->file->*operator_func)(thd, check_opt); @@ -1016,6 +1020,9 @@ static int mysql_admin_table(THD* thd, TABLE_LIST* tables, } if (fatal_error) table->table->version=0; // Force close of table + else if (open_for_modify) + remove_table_from_cache(thd, table->table->table_cache_key, + table->table->real_name); close_thread_tables(thd); if (my_net_write(&thd->net, (char*) packet->ptr(), packet->length())) |