Commit graph

15119 commits

Author SHA1 Message Date
unknown
15835a5693 Merge tsmith@bk-internal.mysql.com:/home/bk/mysql-5.1-opt
into  ramayana.hindu.god:/home/tsmith/m/bk/maint/51


mysql-test/r/show_check.result:
  Auto merged
mysql-test/t/disabled.def:
  Auto merged
mysql-test/t/show_check.test:
  Auto merged
sql/handler.cc:
  Auto merged
sql/handler.h:
  Auto merged
sql/log.cc:
  Auto merged
sql/set_var.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_delete.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
sql/table.cc:
  Auto merged
2007-08-01 18:40:02 -06:00
unknown
4ea92b81a7 Merge ramayana.hindu.god:/home/tsmith/m/bk/51
into  ramayana.hindu.god:/home/tsmith/m/bk/maint/51


mysql-test/include/mix1.inc:
  Auto merged
mysql-test/r/innodb_mysql.result:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
2007-08-01 18:15:24 -06:00
unknown
d2b9c8c219 Fix an unstable test.
mysql-test/r/log_tables.result:
  Update results.
mysql-test/t/log_tables.test:
  Silence a race condition: TRUNCATE code issues mysql_frm_type without
  a metadata lock, and finds no table if hits the moment when
  ALTER is swapping two tables.
2007-08-01 16:48:14 +04:00
unknown
d4ba395aa6 Merge mysql.com:/home/ram/work/b29928.new/b29928.new.5.0
into  mysql.com:/home/ram/work/b29928.new/b29928.new.5.1


mysql-test/r/mysqlbinlog.result:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
mysql-test/t/mysqlbinlog.test:
  manual merge
2007-08-01 15:31:20 +05:00
unknown
f87acb594a Fix for bug #29928: INSERT ... VALUES(connection_id(), ...) incorrect
restores from mysqlbinlog out

Problem: using "mysqlbinlog | mysql" for recoveries the connection_id() 
result may differ from what was used when issuing the statement.

Fix: if there is a connection_id() in a statement, write to binlog
SET pseudo_thread_id= XXX; before it and use the value later on.


mysql-test/r/mysqlbinlog.result:
  Fix for bug #29928: INSERT ... VALUES(connection_id(), ...) incorrect 
  restores from mysqlbinlog out
    - test result.
mysql-test/t/mysqlbinlog.test:
  Fix for bug #29928: INSERT ... VALUES(connection_id(), ...) incorrect 
  restores from mysqlbinlog out
    - test case.
sql/item_create.cc:
  Fix for bug #29928: INSERT ... VALUES(connection_id(), ...) incorrect 
  restores from mysqlbinlog out
    - set thread_specific_used flag for the connection_id() function.
sql/item_func.cc:
  Fix for bug #29928: INSERT ... VALUES(connection_id(), ...) incorrect 
  restores from mysqlbinlog out
    - always return thd->variables.pseudo_thread_id as a connection_id() 
  result, as it contains a proper value for both master and slave.
sql/log_event.cc:
  Fix for bug #29928: INSERT ... VALUES(connection_id(), ...) incorrect 
  restores from mysqlbinlog out
    - set LOG_EVENT_THREAD_SPECIFIC_F event flag if thread_specific_used
  is set.
sql/sql_class.cc:
  Fix for bug #29928: INSERT ... VALUES(connection_id(), ...) incorrect 
  restores from mysqlbinlog out
    - thd->thread_specific_used introduced, which is set if thread specific 
  value(s) used in a statement.
sql/sql_class.h:
  Fix for bug #29928: INSERT ... VALUES(connection_id(), ...) incorrect 
  restores from mysqlbinlog out
    - thd->thread_specific_used introduced, which is set if thread specific 
  value(s) used in a statement.
2007-08-01 15:27:03 +05:00
unknown
8e62e86f80 Merge bodhi.(none):/opt/local/work/mysql-5.0-runtime
into  bodhi.(none):/opt/local/work/mysql-5.1-runtime


client/mysqldump.c:
  Auto merged
mysql-test/r/func_time.result:
  Auto merged
mysql-test/r/mysqldump.result:
  Auto merged
mysql-test/t/func_time.test:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/table.cc:
  Auto merged
mysql-test/include/mix1.inc:
  Manual merge.
mysql-test/r/innodb_mysql.result:
  Manual merge.
2007-08-01 12:32:40 +04:00
unknown
25723542a1 Fix an unstable test. It was reliant on the current time.
mysql-test/r/func_time.result:
  Update results (use fixed datetime values instead of NOW()).
mysql-test/t/func_time.test:
  Use fixed datetime values instead of NOW(): the test would have a sporadic
  failure when current day changed between two consequtive calls to
  NOW(). The test actually tests FROM_DAYS/TO_DAYS functions, 
  so use of NOW() is not necessary.
2007-08-01 12:28:08 +04:00
unknown
82fbe7a418 Merge ramayana.hindu.god:/home/tsmith/m/bk/51
into  ramayana.hindu.god:/home/tsmith/m/bk/maint/jul31/51


mysql-test/r/federated.result:
  Auto merged
mysql-test/t/federated.test:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
storage/federated/ha_federated.h:
  Auto merged
storage/innobase/handler/ha_innodb.cc:
  Auto merged
mysql-test/include/mix1.inc:
  Manual merge
mysql-test/r/innodb_mysql.result:
  Manual merge
2007-07-31 17:36:19 -06:00
unknown
2914bad6ac Merge bk-internal.mysql.com:/home/bk/mysql-5.1
into  bodhi.(none):/opt/local/work/mysql-5.1-runtime


client/mysqldump.c:
  Auto merged
mysql-test/r/mysqldump.result:
  Auto merged
mysql-test/t/disabled.def:
  Auto merged
mysql-test/t/mysqldump.test:
  Auto merged
sql/handler.cc:
  Auto merged
sql/lock.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/table.cc:
  Auto merged
sql/table.h:
  Auto merged
mysql-test/include/mix1.inc:
  Manual merge.
mysql-test/r/innodb_mysql.result:
  Manual merge.
2007-07-31 23:47:38 +04:00
unknown
91f54bf1f7 Merge bk-internal.mysql.com:/home/bk/mysql-5.0
into  bodhi.(none):/opt/local/work/mysql-5.0-runtime


client/mysqldump.c:
  Auto merged
mysql-test/r/mysqldump.result:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/table.cc:
  Auto merged
mysql-test/r/innodb_mysql.result:
  Manual merge.
mysql-test/t/innodb_mysql.test:
  Manual merge.
sql/sql_table.cc:
  Manual merge.
2007-07-31 20:03:52 +04:00
unknown
4c11e05ad2 Merge bodhi.(none):/opt/local/work/mysql-5.0-runtime
into  bodhi.(none):/opt/local/work/mysql-5.1-runtime


sql/mysql_priv.h:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_lex.cc:
  Auto merged
mysql-test/include/mix1.inc:
  Manual merge.
mysql-test/r/innodb_mysql.result:
  Manual merge.
sql/handler.h:
  Manual merge.
sql/lock.cc:
  Manual merge.
sql/opt_range.cc:
  Manual merge.
sql/sql_base.cc:
  Manual merge.
sql/sql_table.cc:
  Manual merge.
2007-07-31 20:00:05 +04:00
unknown
23fec91b65 Merge gshchepa@bk-internal.mysql.com:/home/bk/mysql-5.1-opt
into  gleb.loc:/home/uchum/work/bk/5.1-opt
2007-07-31 13:23:56 +05:00
unknown
124ad9c640 sql_yacc.yy, sp.result, disabled.def:
Post-merge fix.


mysql-test/t/disabled.def:
  Post-merge fix.
mysql-test/r/sp.result:
  Post-merge fix.
sql/sql_yacc.yy:
  Post-merge fix.
2007-07-31 13:22:01 +05:00
unknown
6312042ca7 Merge gleb.loc:/home/uchum/work/bk/5.0-opt-30120
into  gleb.loc:/home/uchum/work/bk/5.1-opt


sql/item.cc:
  Auto merged
sql/item.h:
  Auto merged
sql/sp_head.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
mysql-test/r/sp.result:
  Merge with 5.0-opt.
mysql-test/t/sp.test:
  Merge with 5.0-opt.
2007-07-31 12:09:59 +05:00
unknown
f1ed9bc67e Merge mysql.com:/home/hf/work/29717/my50-29717
into  mysql.com:/home/hf/work/29717/my51-29717


mysql-test/r/group_by.result:
  Auto merged
mysql-test/r/insert_select.result:
  Auto merged
mysql-test/t/group_by.test:
  Auto merged
mysql-test/t/insert_select.test:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_select.h:
  Auto merged
2007-07-31 11:12:23 +05:00
unknown
210243480c merging 2007-07-31 11:10:03 +05:00
unknown
d803c8663b Fix merge: update result files.
mysql-test/r/ddl_i18n_koi8r.result:
  Update result file.
mysql-test/r/ddl_i18n_utf8.result:
  Update result file.
2007-07-30 14:03:47 +04:00
unknown
33fc4ad4e1 Fixed bug #30120.
SP with local variables with non-ASCII names crashed the server.

The server replaces SP local variable names with NAME_CONST calls
when putting statements into the binary log. It used UTF8-encoded
item names as variable names for the replacement inside NAME_CONST
calls. However, statement string may be encoded by any
known character set by the SET NAMES statement.
The server used byte length of UTF8-encoded names to increment
the position in the query string that led to array index overrun.


sql/item.cc:
  Fixed bug #30120.
  The Item_splocal class constructor has been modified to
  accept new parameter `len_in_q': the byte length of
  variable name in the query string.
sql/item.h:
  Fixed bug #30120.
  The Item_splocal class has been modified to keep new
  field `len_in_query': the byte length of variable name in
  the query string.
sql/sp_head.cc:
  Fixed bug #30120.
  The subst_spvars function has been modified to increment
  position in the query string by the lengths of not
  encoded variable names instead of byte length of names
  encoded to UTF-8.
sql/sql_yacc.yy:
  Fixed bug #30120.
  The simple_ident rule action has been modified to
  pass the byte length of the local variable name token
  to the Item_splocal object constructor.
mysql-test/t/sp.test:
  Updated test case for bug #30120.
mysql-test/r/sp.result:
  Updated test case for bug #30120.
2007-07-30 04:35:16 +05:00
unknown
5114cb91e5 Merge kpettersson@bk-internal.mysql.com:/home/bk/mysql-5.1-runtime
into  adventure.(none):/home/thek/Development/cpp/mysql-5.1-runtime


sql/table.cc:
  Auto merged
sql/table.h:
  Auto merged
2007-07-29 13:08:21 +02:00
unknown
a0a216bb40 Merge gleb.loc:/home/uchum/work/bk/5.0-opt
into  gleb.loc:/home/uchum/work/bk/5.1-opt


mysql-test/r/query_cache.result:
  Auto merged
mysql-test/r/view.result:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
sql/sql_show.cc:
  Auto merged
mysql-test/t/view.test:
  Merge with 5.0-opt.
sql/sp_head.cc:
  Merge with 5.0-opt.
2007-07-29 14:41:39 +05:00
unknown
d86f0a1382 Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0-opt
into  moonbone.local:/mnt/gentoo64/work/29856-bug-5.0-opt-mysql


sql/sp_head.cc:
  Auto merged
mysql-test/r/query_cache.result:
  SCCS merged
mysql-test/t/query_cache.test:
  SCCS merged
2007-07-28 22:47:03 +04:00
unknown
ba9e6a5673 Merge gshchepa@bk-internal.mysql.com:/home/bk/mysql-5.0-opt
into  gleb.loc:/home/uchum/work/bk/5.0-opt
2007-07-28 23:47:02 +05:00
unknown
26c63ee58d Merge gleb.loc:/home/uchum/work/bk/5.0-opt
into  gleb.loc:/home/uchum/work/bk/5.1-opt


mysql-test/r/sp.result:
  Auto merged
mysql-test/t/sp.test:
  Auto merged
sql/sql_base.cc:
  Merge with 5.0-opt.
2007-07-28 23:38:59 +05:00
unknown
3c1716151e Merge gleb.loc:/home/uchum/work/bk/5.0-opt-29834
into  gleb.loc:/home/uchum/work/bk/5.0-opt


sql/sql_base.cc:
  Auto merged
mysql-test/r/sp.result:
  Merge with local tree.
mysql-test/t/sp.test:
  Merge with local tree.
2007-07-28 23:36:27 +05:00
unknown
90c5621d6c Fixed bug #29834.
Using view columns by their names during an execution of
a prepared SELECT statement or a SELECT statement inside
a SP caused a memory leak.


sql/sql_base.cc:
  Fixed bug #29834.
  The find_field_in_view function has been modified to
  use the execution memory root for the Item_direct_view_ref
  objects allocation at non-first executions of
  a PS/SP instead of the statement memory.
mysql-test/t/sp.test:
  Updated test case for bug #29834.
mysql-test/r/sp.result:
  Updated test case for bug #29834.
2007-07-28 23:10:38 +05:00
unknown
da2652884c Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0-opt
into  moonbone.local:/mnt/gentoo64/work/30020-bug-5.0-opt-mysql
2007-07-28 21:39:03 +04:00
unknown
7b9a6b1b37 Merge gleb.loc:/home/uchum/work/bk/5.1
into  gleb.loc:/home/uchum/work/bk/5.1-opt
2007-07-28 21:26:01 +05:00
unknown
bb2d58f5e4 Merge gleb.loc:/home/uchum/work/bk/5.0
into  gleb.loc:/home/uchum/work/bk/5.0-opt
2007-07-28 21:24:19 +05:00
unknown
aa4a3c9ad0 Bug#30020: Insufficient check led to a wrong info provided by the
information schema table.

The get_schema_views_record() function fills records in the view table of
the informations schema with data about given views. Among other info
the is_updatable flag is set. But the check whether the view is updatable or
not wasn't covering all cases thus sometimes providing wrong info.
This might led to a user confusion.

Now the get_schema_views_record function additionally calls to the 
view->can_be_merge() function to find out whether the view can be updated or
not.


mysql-test/t/view.test:
  Added a test case for the bug#30020: Insufficient check led to a wrong info
  provided by the information schema table.
mysql-test/r/view.result:
  Added a test case for the bug#30020: Insufficient check led to a wrong info
  provided by the information schema table.
sql/sql_show.cc:
  Bug#30020: Insufficient check led to a wrong info provided by the
  information schema table.
  Now the get_schema_views_record function additionally calls to the 
  view->can_be_merge() function to find out whether the view can be updated or
  not.
2007-07-28 16:02:29 +04:00
unknown
40d596c200 Bug#29856: Insufficient buffer space led to a server crash.
The subst_spvars function is used to create query string with SP variables 
substituted with their values. This string is used later for the binary log
and for the query cache. The problem is that the
query_cache_send_result_to_client function requires some additional space
after the query to store database name and query cache flags. This 
space wasn't reserved by the subst_spvars function which led to a memory
corruption and crash.

Now the subst_spvars function reserves additional space for the query cache.


mysql-test/t/query_cache.test:
  Added a test case for the bug#29856: Insufficient buffer space led to a server crash.
mysql-test/r/query_cache.result:
  Added a test case for the bug#29856: Insufficient buffer space led to a server crash.
sql/sp_head.cc:
  Bug#29856: Insufficient buffer space led to a server crash.
  Now the subst_spvars function reserves additional space for the query cache.
2007-07-28 15:01:29 +04:00
unknown
5713d2e069 Merge bk-internal.mysql.com:/data0/bk/mysql-5.1
into  bk-internal.mysql.com:/data0/bk/mysql-5.1-arch
2007-07-28 09:16:35 +02:00
unknown
9c79db318c show_check.result:
Addendum to thr fix for bug 30000:
  show procedure/function code defined only in debug builds
show_check.test:
  Addendum to thr fix for bug 30000: 
  show procedure/function code defined only in debug builds


mysql-test/t/show_check.test:
  Addendum to thr fix for bug 30000: 
  show procedure/function code defined only in debug builds
mysql-test/r/show_check.result:
  Addendum to thr fix for bug 30000:
  show procedure/function code defined only in debug builds
2007-07-28 08:42:43 +03:00
unknown
0ce785538f Merge bk@192.168.21.1:mysql-5.0-opt
into  mysql.com:/home/hf/work/29878/my50-29878
2007-07-28 01:33:03 +05:00
unknown
ced93a5cc8 Merge malff@bk-internal.mysql.com:/home/bk/mysql-5.1-runtime
into  weblab.(none):/home/marcsql/TREE/mysql-5.1-25422-d


client/mysqldump.c:
  Auto merged
mysql-test/r/log_state.result:
  Auto merged
mysql-test/r/show_check.result:
  Auto merged
mysql-test/t/show_check.test:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/share/errmsg.txt:
  Auto merged
sql/sp.cc:
  Auto merged
2007-07-27 12:22:00 -06:00
unknown
5a03bfbbce Fix merge. 2007-07-27 21:50:37 +04:00
unknown
4596ef83e7 Merge ibm.:/home/alik/Documents/MySQL/devel/5.0-rt
into  ibm.:/home/alik/Documents/MySQL/devel/5.1-rt-merge


mysql-test/r/mysqldump-max.result:
  Auto merged
mysql-test/r/openssl_1.result:
  Auto merged
mysql-test/t/show_check.test:
  Auto merged
sql/sp.cc:
  Auto merged
sql/sql_yacc.yy:
  Auto merged
client/mysqldump.c:
  Manual merge.
mysql-test/r/mysqldump.result:
  Manual merge + use local.
2007-07-27 21:30:43 +04:00
unknown
818b0b84e0 Fix test so that it will be environment-independent.
mysql-test/r/mysqldump.result:
  Update result file.
2007-07-27 21:06:50 +04:00
unknown
421fa784be Merge adventure.(none):/home/thek/Development/cpp/bug29929/my50-bug29929
into  adventure.(none):/home/thek/Development/cpp/mysql-5.0-runtime
2007-07-27 17:32:45 +02:00
unknown
a16919e473 Merge adventure.(none):/home/thek/Development/cpp/bug29929/my50-bug29929
into  adventure.(none):/home/thek/Development/cpp/bug29929/my51-bug29929


mysql-test/r/sp-prelocking.result:
  Auto merged
mysql-test/t/sp-prelocking.test:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/table.cc:
  Auto merged
sql/table.h:
  SCCS merged
2007-07-27 16:59:09 +02:00
unknown
07955aea2d Bug #29929 LOCK TABLES does not pre-lock tables used in triggers of the locked tables
When a table was explicitly locked with LOCK TABLES no associated
tables from any related trigger on the subject table were locked.
As a result of this the user could experience unexpected locking
behavior and statement failures similar to "failed: 1100: Table'xx'
was not locked with LOCK TABLES".

This patch fixes this problem by making sure triggers are
pre-loaded on any statement if the subject table was explicitly
locked with LOCK TABLES.


mysql-test/r/sp-prelocking.result:
  Added test case
mysql-test/t/sp-prelocking.test:
  Added test case
sql/sql_lex.cc:
  - Moved some conditional logic out of the table iteration.
  - Added event map values for LOCK TABLE command.
sql/table.cc:
  - Refactored set_trg_event_tpye into the two simpler functions set_trg_event_map
    and set_trg_event_map as methods for manipulating the table event map.
    The original function was only called from st_lex::set_trg_event_type_for_tables
    so it was possible to move the event map creation logic to this function as
    a loop optimization.
sql/table.h:
  - Refactored set_trg_event_tpye into the two simpler functions set_trg_event_map
    and set_trg_event_map as methods for manipulating the table event map.
    The original function was only called from st_lex::set_trg_event_type_for_tables
    so it was possible to move the event map creation logic to this function as
    a loop optimization.
2007-07-27 16:56:29 +02:00
unknown
82c87c0a44 Bug #30000: SHOW commands once again ends up in the
slow query log
Disable the SHOW commands to appear in the show query
log.
Update the commands type array.


mysql-test/r/show_check.result:
  Bug #30000: test case
mysql-test/t/show_check.test:
  Bug #30000: test case
sql/sql_parse.cc:
  Bug #30000: skip SHOW commands from the
  slow query log.
2007-07-27 17:55:39 +03:00
unknown
e030b5dcc0 Fix for BUG#30027: mysqldump does not dump views properly.
mysqldump generates view defitions in two stages:

  - dump CREATE TABLE statements for the temporary tables.  For each view a
    temporary table, that has the same structure as the view is created.

  - dump DROP TABLE statements for the temporary tables and CREATE VIEW
    statements for the view.

This approach is required because views can have dependencies on each other
(a view can use other views). So, they should be created in the particular
order. mysqldump however is not smart enough, so in order to resolve
dependencies it creates temporary tables first of all.

The problem was that mysqldump might have generated incorrect dump for the
temporary table when a view has non-ASCII column name. That happened when
default-character-set is not utf8.

The fix is to:

  1. Switch character_set_client for the mysqldump's connection to binary
     before issuing SHOW FIELDS statement in order to avoid conversion.
    
  2. Dump switch character_set_client statements to UTF8 and back for
     CREATE TABLE statement that is issued to create temporary table.


client/mysqldump.c:
  1. Switch character_set_results for mysqldump's connection to
  binary before SHOW FIELDS in order to avoid conversion to client
  character set.
  
  2. Dump switch character_set_client statements to UTF8 and back
  for CREATE TABLE statement.
mysql-test/r/mysqldump.result:
  Update result file.
mysql-test/t/mysqldump.test:
  Test case for BUG#30027.
2007-07-27 18:20:17 +04:00
unknown
d27bf14ed7 Bug #29878 Garbage data generation when executing SESSION_USER() on a slave.
Item_func_user doesn't calculate anything in it's val_str() method,
just returns saved str_value.
Though Item::save_in_field method can destroy str_value, relying on
val_str() return. As a result we get the garbage stored in field.

We cannot use Item::save_in_field implementation for Item_func_user,
reimplement it in simpler way.


mysql-test/r/rpl_session_var.result:
  Bug #29878 Garbage data generation when executing SESSION_USER() on a slave.
  
  test result
mysql-test/t/rpl_session_var.test:
  Bug #29878 Garbage data generation when executing SESSION_USER() on a slave.
  
  test case
sql/item.cc:
  Bug #29878 Garbage data generation when executing SESSION_USER() on a slave.
  
  duplicating code moved to Item::save_str_in_field
sql/item.h:
  Bug #29878 Garbage data generation when executing SESSION_USER() on a slave.
  
  duplicating code moved to Item::save_str_in_field
sql/item_strfunc.h:
  Bug #29878 Garbage data generation when executing SESSION_USER() on a slave.
  
  Item_func_user::save_in_field implemented as simple storing str_value
2007-07-27 18:42:25 +05:00
unknown
0936976e8d A fix and a test case for Bug#24918 drop table and lock / inconsistent
between perm and temp tables. Review fixes.

The original bug report complains that if we locked a temporary table
with LOCK TABLES statement, we would not leave LOCK TABLES mode
when this temporary table is dropped.

Additionally, the bug was escalated when it was discovered than
when a temporary transactional table that was previously
locked with LOCK TABLES statement was dropped, futher actions with
this table, such as UNLOCK TABLES, would lead to a crash.

The problem originates from incomplete support of transactional temporary
tables. When we added calls to handler::store_lock()/handler::external_lock()
to operations that work with such tables, we only covered the normal
server code flow and did not cover LOCK TABLES mode. 
In LOCK TABLES mode, ::external_lock(LOCK) would sometimes be called without
matching ::external_lock(UNLOCK), e.g. when a transactional temporary table
was dropped. Additionally, this table would be left in the list of LOCKed 
TABLES.

The patch aims to address this inadequacy. Now, whenever an instance
of 'handler' is destroyed, we assert that it was priorly
external_lock(UNLOCK)-ed. All the places that violate this assert
were fixed.

This patch introduces no changes in behavior -- the discrepancy in
behavior will be fixed when we start calling ::store_lock()/::external_lock()
for all tables, regardless whether they are transactional or not, 
temporary or not.


mysql-test/r/innodb_mysql.result:
  Update test results (Bug#24918)
mysql-test/t/innodb_mysql.test:
  Add a test case for Bug#24918
sql/handler.h:
  Make handler::external_lock() a protected method. Backport from 5.1 its
  public wrapper handler::ha_external_lock().
  Assert that the handler is not closed if it is still locked.
sql/lock.cc:
  In mysql_lock_tables only call lock_external() for the list of tables that
  we called store_lock() for. 
  E.g. get_lock_data() does not add non-transactional temporary tables to the
  lock list, so lock_external() should not be called for them.
  
  Use handler::ha_external_lock() instead of handler::external_lock().
  
  Add comments for mysql_lock_remove(), parameterize one strange
  side effect that it has. At least in one place where mysql_lock_remove
  is used, this side effect is not desired (DROP TABLE). The parameter
  will be dropped in 5.1, along with the side effect.
sql/mysql_priv.h:
  Update declaration of mysql_lock_remove().
sql/opt_range.cc:
  Deploy handler::ha_external_lock() instead of handler::external_lock()
sql/sql_base.cc:
  When closing a temporary table, remove the table from the list of LOCKed 
  TABLES of this thread, in case it's there. 
  It's there if it is a transactional temporary table.
  Use a new declaration of mysql_lock_remove().
sql/sql_class.h:
  Extend the comment for THD::temporary_tables.
sql/sql_table.cc:
  Deploy handler::ha_external_lock() instead of handler::external_lock()
2007-07-27 16:37:29 +04:00
unknown
f97155c9f6 Merge mysql.com:/home/svoj/devel/mysql/BUG29957/mysql-5.0-engines
into  mysql.com:/home/svoj/devel/mysql/BUG29957/mysql-5.1-engines


storage/myisam/mi_extra.c:
  Auto merged
mysql-test/r/alter_table.result:
  Manual merge
mysql-test/t/alter_table.test:
  Manual merge
2007-07-27 14:44:31 +05:00
unknown
766725c502 Merge svojtovich@bk-internal.mysql.com:/home/bk/mysql-5.0-engines
into  mysql.com:/home/svoj/devel/mysql/BUG29957/mysql-5.0-engines
2007-07-27 14:36:43 +05:00
unknown
e92ce5d56c BUG#29957 - alter_table.test fails
INSERT/DELETE/UPDATE followed by ALTER TABLE within LOCK TABLES
may cause table corruption on Windows.

That happens because ALTER TABLE writes outdated shared state
info into index file.

Fixed by removing obsolete workaround.

Affects MyISAM tables on Windows only.


myisam/mi_extra.c:
  On windows when mi_extra(HA_EXTRA_PREPARE_FOR_DELETE) is called,
  we release external lock and close index file. If we're in LOCK
  TABLES, MyISAM state info doesn't get updated until UNLOCK TABLES.
  
  That means when we release external lock and we're in LOCK TABLES,
  we may write outdated state info.
  
  As SQL layer closes all table instances, we do not need this
  workaround anymore.
mysql-test/r/alter_table.result:
  A test case for BUG#29957.
mysql-test/t/alter_table.test:
  A test case for BUG#29957.
2007-07-27 14:30:25 +05:00
unknown
4462578a1c WL#3984 (Revise locking of mysql.general_log and mysql.slow_log)
Bug#25422 (Hang with log tables)
Bug 17876 (Truncating mysql.slow_log in a SP after using cursor locks the
          thread)
Bug 23044 (Warnings on flush of a log table)
Bug 29129 (Resetting general_log while the GLOBAL READ LOCK is set causes
           a deadlock)

Prior to this fix, the server would hang when performing concurrent
ALTER TABLE or TRUNCATE TABLE statements against the LOG TABLES,
which are mysql.general_log and mysql.slow_log.

The root cause traces to the following code:
in sql_base.cc, open_table()
  if (table->in_use != thd)
  {
    /* wait_for_condition will unlock LOCK_open for us */
    wait_for_condition(thd, &LOCK_open, &COND_refresh);
  }
The problem with this code is that the current implementation of the
LOGGER creates 'fake' THD objects, like
- Log_to_csv_event_handler::general_log_thd
- Log_to_csv_event_handler::slow_log_thd
which are not associated to a real thread running in the server,
so that waiting for these non-existing threads to release table locks
cause the dead lock.

In general, the design of Log_to_csv_event_handler does not fit into the
general architecture of the server, so that the concept of general_log_thd
and slow_log_thd has to be abandoned:
- this implementation does not work with table locking
- it will not work with commands like SHOW PROCESSLIST
- having the log tables always opened does not integrate well with DDL
operations / FLUSH TABLES / SET GLOBAL READ_ONLY

With this patch, the fundamental design of the LOGGER has been changed to:
- always open and close a log table when writing a log
- remove totally the usage of fake THD objects
- clarify how locking of log tables is implemented in general.

See WL#3984 for details related to the new locking design.

Additional changes (misc bugs exposed and fixed):

1)

mysqldump which would ignore some tables in dump_all_tables_in_db(),
 but forget to ignore the same in dump_all_views_in_db().

2)

mysqldump would also issue an empty "LOCK TABLE" command when all the tables
to lock are to be ignored (numrows == 0), instead of not issuing the query.

3)

Internal errors handlers could intercept errors but not warnings
(see sql_error.cc).

4)

Implementing a nested call to open tables, for the performance schema tables,
exposed an existing bug in remove_table_from_cache(), which would perform:
  in_use->some_tables_deleted=1;
against another thread, without any consideration about thread locking.
This call inside remove_table_from_cache() was not required anyway,
since calling mysql_lock_abort() takes care of aborting -- cleanly -- threads
that might hold a lock on a table.
This line (in_use->some_tables_deleted=1) has been removed.


sql/handler.cc:
  Moved logic for system / log tables in the SQL layer.
sql/handler.h:
  Moved logic for system / log tables in the SQL layer.
sql/lock.cc:
  Revised locking of log tables
sql/log.cc:
  Major cleanup: changed how log tables are locked / written to.
sql/log.h:
  Major cleanup: changed how log tables are locked / written to.
sql/mysql_priv.h:
  performance schema helpers
sql/slave.cc:
  open_ltable() lock flags
sql/sp.cc:
  open_ltable() lock flags
sql/sql_acl.cc:
  open_ltable() lock flags
sql/sql_class.h:
  performance schema helpers
sql/sql_delete.cc:
  log tables cleanup in TRUNCATE
sql/sql_error.cc:
  Internal handlers can also intercept warnings
sql/sql_insert.cc:
  open_ltable() lock flags
sql/sql_parse.cc:
  performance schema helpers
sql/sql_plugin.cc:
  open_ltable() lock flags
sql/sql_rename.cc:
  log tables cleanup in RENAME
sql/sql_servers.cc:
  open_ltable() lock flags
sql/sql_show.cc:
  Move INFORMATION_SCHEMA_NAME to table.cc
sql/sql_table.cc:
  log tables cleanup (admin operations, ALTER TABLE)
sql/sql_udf.cc:
  open_ltable() lock flags
sql/table.cc:
  Implemented TABLE_CATEGORY.
sql/share/errmsg.txt:
  Changed the wording and name of ER_CANT_READ_LOCK_LOG_TABLE
sql/table.h:
  Implemented TABLE_CATEGORY.
storage/csv/ha_tina.cc:
  Moved logic for system / log tables in the SQL layer.
storage/csv/ha_tina.h:
  Moved logic for system / log tables in the SQL layer.
storage/myisam/ha_myisam.cc:
  Moved logic for system / log tables in the SQL layer.
storage/myisam/ha_myisam.h:
  Moved logic for system / log tables in the SQL layer.
client/mysqldump.c:
  Don't lock tables in the ignore list.
  Don't issue empty LOCK TABLES queries.
sql/sql_base.cc:
  log tables cleanup
  performance schema helpers
mysql-test/r/ps.result:
  Adjust test results
mysql-test/r/show_check.result:
  Adjust test results
mysql-test/r/status.result:
  Adjust test results
mysql-test/t/log_state.test:
  Added tests for Bug#29129
mysql-test/t/ps.test:
  Make the test output deterministic
mysql-test/t/show_check.test:
  Make the test output deterministic
mysql-test/r/log_state.result:
  Changed the default location of the log output to LOG_FILE,
  for backward compatibility with MySQL 5.0
  ---
  Adjust test results
mysql-test/r/log_tables.result:
  cleanup for -ps-protocol
mysql-test/t/log_tables.test:
  cleanup for -ps-protocol
sql/set_var.cc:
  Changed the default location of the log output to LOG_FILE,
  for backward compatibility with MySQL 5.0
  ---
  log tables cleanup
2007-07-27 00:31:06 -06:00
unknown
22e618b3dd Merge bk-internal.mysql.com:/data0/bk/mysql-5.1
into  bk-internal.mysql.com:/data0/bk/mysql-5.1-arch
2007-07-26 20:48:44 +02:00
unknown
1a6ced2cfa Merge spetrunia@bk-internal.mysql.com:/home/bk/mysql-5.0-opt
into  mysql.com:/home/psergey/mysql-5.0-bdb-fix
2007-07-26 20:54:28 +04:00