| Commit message (Collapse) | Author | Age | Files | Lines |
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Fix warnings flagged by the new warning option -Wunused-but-set-variable
that was added to GCC 4.6 and that is enabled by -Wunused and -Wall. The
option causes a warning whenever a local variable is assigned to but is
later unused. It also warns about meaningless pointer dereferences.
client/mysql.cc:
Meaningless pointer dereferences.
client/mysql_upgrade.c:
Check whether reading from the file succeeded.
extra/comp_err.c:
Unused.
extra/yassl/src/yassl_imp.cpp:
Skip instead of reading data that is discarded.
include/my_pthread.h:
Variable is only used in debug builds.
include/mysys_err.h:
Add new error messages.
mysys/errors.c:
Add new error message for permission related functions.
mysys/mf_iocache.c:
Variable is only checked under THREAD.
mysys/my_copy.c:
Raise a error if chmod or chown fails.
mysys/my_redel.c:
Raise a error if chmod or chown fails.
regex/engine.c:
Use a equivalent variable for the assert.
server-tools/instance-manager/instance_options.cc:
Unused.
sql/field.cc:
Unused.
sql/item.cc:
Unused.
sql/log.cc:
Do not ignore the return value of freopen: only set buffer if
reopening succeeds.
Adjust doxygen comment to the right function.
Pass message lenght to log function.
sql/mysqld.cc:
Do not ignore the return value of freopen: only set buffer if
reopening succeeds.
sql/partition_info.cc:
Unused.
sql/slave.cc:
No need to set pointer to the address of '\0'.
sql/spatial.cc:
Unused. Left for historical purposes.
sql/sql_acl.cc:
Unused.
sql/sql_base.cc:
Pointers are always set to the same variables.
sql/sql_parse.cc:
End statement if reading fails.
Store the buffer after it has actually been updated.
sql/sql_repl.cc:
No need to set pointer to the address of '\0'.
sql/sql_show.cc:
Put variable under the same ifdef block.
sql/udf_example.c:
Set null pointer flag appropriately.
storage/csv/ha_tina.cc:
Meaningless dereferences.
storage/example/ha_example.cc:
Return the error since it's available.
storage/myisam/mi_locking.c:
Remove unused and dead code.
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due to GCC preprocessor change
The problem is that newer GCC versions treats missing headers
as fatal errors. The solution is to use a guard macro to prevent
the inclusion of system headers when checking the ABI with the
C Preprocessor.
Reference: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15638
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44836
Makefile.am:
Define guard macro.
configure.in:
Remove workaround.
include/mysql.h:
Guard the header inclusion.
include/mysql.h.pp:
Header is not included anymore.
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table with active trx
Essentially, the problem is that InnoDB does a implicit commit
when a cursor (table handler) is unlocked/closed, creating
a dissonance between the transaction state within the server
layer and the storage engine layer. Theoretically, a statement
transaction can encompass several table instances in a similar
manner to a multiple statement transaction, hence it does not
make sense to limit a statement transaction to the lifetime of
the table instances (cursors) used within it.
Since this particular instance of the problem is only triggerable
on 5.1 and is masked on 5.5 due 2PC being skipped (assertion is in
the prepare phase of a 2PC), the solution (which is less risky) is
to explicitly end the transaction before the cached table is unlock
on rename table.
The patch is to be null merged into trunk.
mysql-test/include/commit.inc:
Fix counters, the binlog engine does not get involved anymore.
mysql-test/suite/innodb_plugin/r/innodb_bug54453.result:
Add test case result for Bug#54453
mysql-test/suite/innodb_plugin/t/innodb_bug54453.test:
Add test case for Bug#54453
sql/sql_table.cc:
End transaction as otherwise InnoDB will end it behind our backs.
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> ------------------------------------------------------------
> revno: 3392.1.1
> revision-id: gshchepa@mysql.com-20100521184732-0jvpzinv0uwyvr2d
> parent: sven.sandberg@sun.com-20100520153801-yyhujm1qqa4eyfn0
> committer: Gleb Shchepa <gshchepa@mysql.com>
> branch nick: 53804-5.1
> timestamp: Fri 2010-05-21 22:47:32 +0400
> message:
> Bug #53804: serious flaws in the alter database .. upgrade
> data directory name command
>
> The check_db_name function has been modified to validate tails of
> #mysql50#-prefixed database names for compliance with MySQL 5.0
> database name encoding rules (the check_table_name function call
> has been reused).
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> ------------------------------------------------------------
> revno: 3386
> revision-id: sergey.glukhov@sun.com-20100518082821-yajhvbv1ghmlpu1n
> parent: aelkin@mysql.com-20100516170332-x8priwrdjwolc065
> committer: Sergey Glukhov <Sergey.Glukhov@sun.com>
> branch nick: mysql-5.1-bugteam
> timestamp: Tue 2010-05-18 13:28:21 +0500
> message:
> Bug#48729 SELECT ... FROM INFORMATION_SCHEMA.ROUTINES causes memory to grow
> Analysis showed that in case of accessing I_S table
> ROUTINES we perform unnecessary allocations
> with get_field() function for every processed row that
> in their turn causes significant memory growth.
> the fix is to avoid use of get_field().
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> ------------------------------------------------------------
> revno: 3367 [merge]
> revision-id: joro@sun.com-20100504140328-srxf3c088j2twnq6
> parent: kristofer.pettersson@sun.com-20100503172109-f9hracq5pqsaomb1
> parent: joro@sun.com-20100503151651-nakknn8amrapmdp7
> committer: Georgi Kodinov <joro@sun.com>
> branch nick: B53371-5.1-bugteam
> timestamp: Tue 2010-05-04 17:03:28 +0300
> message:
> Bug #53371: COM_FIELD_LIST can be abused to bypass table level grants.
>
> This is the 5.1 merge and extension of the fix.
> The server was happily accepting paths in table name in all places a table
> name is accepted (e.g. a SELECT). This allowed all users that have some
> privilege over some database to read all tables in all databases in all
> mysql server instances that the server file system has access to.
> Fixed by :
> 1. making sure no path elements are allowed in quoted table name when
> constructing the path (note that the path symbols are still valid in table names
> when they're properly escaped by the server).
> 2. checking the #mysql50# prefixed names the same way they're checked for
> path elements in mysql-5.0.
> ------------------------------------------------------------
> Use --include-merges or -n0 to see merged revisions.
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> ------------------------------------------------------------
> revno: 3351.41.1
> revision-id: alexey.kopytov@sun.com-20100430111048-jdls6ofn4kkmpt09
> parent: sergey.glukhov@sun.com-20100329134249-03wyhzp5k92dzhcb
> committer: Alexey Kopytov <Alexey.Kopytov@Sun.com>
> branch nick: my51-bug48419
> timestamp: Fri 2010-04-30 15:10:48 +0400
> message:
> Bug #48419: another explain crash..
>
> WHERE predicates containing references to empty tables in a
> subquery were handled incorrectly by the optimizer when
> executing EXPLAIN. As a result, the optimizer could try to
> evaluate such predicates rather than just stop with
> "Impossible WHERE noticed after reading const tables" as
> it would do in a non-subquery case. This led to valgrind
> errors and crashes.
>
> Fixed the code checking the above condition so that subqueries
> are not excluded and hence are handled in the same way as top
> level SELECTs.
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> ------------------------------------------------------------
> revno: 1810.3987.14
> revision-id: davi.arnaut@sun.com-20100429132816-ictyul6d75itek22
> parent: ramil@mysql.com-20100429044232-f0pkyx8fnpszf142
> committer: Davi Arnaut <Davi.Arnaut@Sun.COM>
> branch nick: 50974-5.0
> timestamp: Thu 2010-04-29 10:28:16 -0300
> message:
> Bug#50974: Server keeps receiving big (> max_allowed_packet) packets indefinitely.
>
> The server could be tricked to read packets indefinitely if it
> received a packet larger than the maximum size of one packet.
> This problem is aggravated by the fact that it can be triggered
> before authentication.
>
> The solution is to no skip big packets for non-authenticated
> sessions. If a big packet is sent before a session is authen-
> ticated, a error is returned and the connection is closed.
> ------------------------------------------------------------
> revno: 3363 [merge]
> revision-id: davi.arnaut@sun.com-20100429231819-i3anwzrdasjmezvt
> parent: davi.arnaut@sun.com-20100401131522-895y8uzvv8ag44gs
> parent: davi.arnaut@sun.com-20100429132816-ictyul6d75itek22
> committer: Davi Arnaut <Davi.Arnaut@Sun.COM>
> branch nick: mysql-5.1-bugteam
> timestamp: Thu 2010-04-29 20:18:19 -0300
> message:
> Manual merge.
> ------------------------------------------------------------
> Use --include-merges or -n0 to see merged revisions.
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> ------------------------------------------------------------
> revno: 1810.3987.13
> revision-id: ramil@mysql.com-20100429044232-f0pkyx8fnpszf142
> parent: alexey.kopytov@sun.com-20100426200600-op06qy98llzpzgl1
> committer: Ramil Kalimullin <ramil@mysql.com>
> branch nick: b53237-5.0-bugteam
> timestamp: Thu 2010-04-29 08:42:32 +0400
> message:
> Fix for bug #53237: mysql_list_fields/COM_FIELD_LIST stack smashing
>
> Problem: "COM_FIELD_LIST is an old command of the MySQL server, before there was real move to only
> SQL. Seems that the data sent to COM_FIELD_LIST( mysql_list_fields() function) is not
> checked for sanity. By sending long data for the table a buffer is overflown, which can
> be used deliberately to include code that harms".
>
> Fix: check incoming data length.
The patch did not apply cleanly:
- Line numbers are completely off, roughly it is 2030 -> 1313
- What is called "pend" in the patch, is "arg_end" in the source.
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> revno: 3351.14.56
> committer: Marko Mdkeld <marko.makela@oracle.com>
> branch nick: 5.1-innodb
> timestamp: Mon 2010-04-26 14:08:56 +0300
> message:
> Add a test case for Bug #52745.
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> ------------------------------------------------------------
> revno: 3351.14.47
> revision-id: marko.makela@oracle.com-20100421095033-0acvzxb8um8cms0a
> parent: marko.makela@oracle.com-20100421094032-ir4glqk46qvg2ywn
> committer: Marko Mäkelä <marko.makela@oracle.com>
> branch nick: 5.1-innodb
> timestamp: Wed 2010-04-21 12:50:33 +0300
> message:
> dtuple_convert_big_rec(): Store locally any fields whose maximum length
> is less than 256 bytes. (Bug #52745)
> Add related comments and debug assertions to the "offsets"
> functions in rem0rec.c.
> Approved by Sunny Bains
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> ------------------------------------------------------------
> revno: 3351.47.2
> revision-id: marko.makela@oracle.com-20100511104910-nim8kgguawpis7zo
> parent: marko.makela@oracle.com-20100511104500-c6kzd0bg5s42p8e9
> committer: Marko Mäkelä <marko.makela@oracle.com>
> branch nick: mysql-5.1-innodb2
> timestamp: Tue 2010-05-11 13:49:10 +0300
> message:
> btr_page_split_and_insert(): Add an assertion
> suggested by Sunny Bains when reviewing Bug #52964.
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> ------------------------------------------------------------
> revno: 3351.47.1
> revision-id: marko.makela@oracle.com-20100511104500-c6kzd0bg5s42p8e9
> parent: vasil.dimov@oracle.com-20100510132852-cz457uqvj8iiy9mm
> committer: Marko Mäkelä <marko.makela@oracle.com>
> branch nick: mysql-5.1-innodb2
> timestamp: Tue 2010-05-11 13:45:00 +0300
> message:
> Remove a stray expression. Spotted by Sunny Bains.
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> ------------------------------------------------------------
> revno: 3351.14.74
> revision-id: marko.makela@oracle.com-20100504093128-44v6glupe1dsh0ug
> parent: marko.makela@oracle.com-20100503122859-k73bl51re93o0mt4
> committer: Marko Mäkelä <marko.makela@oracle.com>
> branch nick: 5.1-innodb
> timestamp: Tue 2010-05-04 12:31:28 +0300
> message:
> btr_page_split_and_insert(): Correct the fix of Bug #52964.
> When split_rec==NULL, choose the correct node pointer key (first_rec).
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> ------------------------------------------------------------
> revno: 3351.14.50
> revision-id: marko.makela@oracle.com-20100421185359-8qaxoa2yyrpzwdd7
> parent: marko.makela@oracle.com-20100421102723-0i80uezbyu0ekj5d
> committer: Marko Mäkelä <marko.makela@oracle.com>
> branch nick: 5.1-innodb
> timestamp: Wed 2010-04-21 21:53:59 +0300
> message:
> btr_page_split_and_insert(): Avoid an infinite loop. (Bug #52964)
>
> btr_page_tuple_smaller(): New function, refactored from
> btr_page_split_and_insert().
>
> btr_page_get_split_rec(): Renamed from btr_page_get_sure_split_rec().
> Note that a NULL return may mean that the tuple is to be inserted into
> either the lower or upper page, to be determined by btr_page_tuple_smaller().
>
> btr_page_split_and_insert(): When btr_page_get_split_rec() returns NULL,
> invoke btr_page_tuple_smaller() to determine which half-page the tuple
> belongs to.
>
> Reviewed by Sunny Bains
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> ------------------------------------------------------------
> revno: 3362
> revision-id: davi.arnaut@sun.com-20100401131522-895y8uzvv8ag44gs
> parent: ramil@mysql.com-20100429045409-r7r5lcyiruis15v7
> committer: Davi Arnaut <Davi.Arnaut@Sun.COM>
> branch nick: 50755-5.1
> timestamp: Thu 2010-04-01 10:15:22 -0300
> message:
> Bug#50755: Crash if stored routine def contains version comments
>
> The problem was that a syntactically invalid trigger could cause
> the server to crash when trying to list triggers. The crash would
> happen due to a mishap in the backup/restore procedure that should
> protect parser items which are not associated with the trigger. The
> backup/restore is used to isolate the parse tree (and context) of
> a statement from the load (and parsing) of a trigger. In this case,
> a error during the parsing of a trigger could cause the improper
> backup/restore sequence.
>
> The solution is to properly restore the original statement context
> before the parser is exited due to syntax errors in the trigger body.
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default suites
was not complete. Bootstrap failed to pick up necessary files needed by test and hence
all tests failed.
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Merge up to sunny.bains@oracle.com-20100625081841-ppulnkjk1qlazh82 .
There are 8 more changesets in mysql-5.1-innodb, but PB2 shows a
failure for a test added in one of them. If that is resolved quickly
then those 8 more changesets will be merged too.
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assertion
and clarifies the invariant in dict_table_get_on_id().
In Mar 2007 Marko observed a crash during recovery, the crash resulted from
an UNDO operation on a system table. His solution was to acquire an X lock on
the data dictionary, this in hindsight was an overkill. It is unclear what
caused the crash, current hypothesis is that it was a memory corruption.
The X lock results in performance issues by when undoing changes due to
rollback during normal operation on regular tables.
Why the change is safe:
======================
The InnoDB code has changed since the original X lock change was made. In the
new code we always lock the data dictionary in X mode during startup when
UNDOing operations on the system tables (this is a given). This ensures that
the crash Marko observed cannot happen as long as all transactions that update
the system tables follow the standard rules by setting the appropriate DICT_OP
flag when writing the log records when they make the changes.
If transactions violate the above mentioned rule then during recovery (at
startup) the rollback code (see trx0roll.c) will not acquire the X lock
and we will see the crash again. This will however be a different bug.
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(no changed files)
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ha_innobase::create(): Add the local variable row_type = form->s->row_type.
Adjust it to ROW_TYPE_COMPRESSED when ROW_FORMAT is not specified or inherited
but KEY_BLOCK_SIZE is. Observe the inherited ROW_FORMAT even when it is not
explicitly specified.
innodb_bug54679.test: New test, to test the bug and to ensure that there are
no regressions. (The only difference in the test result without the patch
applied is that the first ALTER TABLE changes ROW_FORMAT to Compact.)
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to 5.1 plugin codeline.
rb://378, approved by Marko
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out NULL type columns, and return without creating the table.
rb://378 approved by Marko
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row/row0sel.c
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ha_innobase::index_read(), ha_innobase::records_in_range(): Check that
the index is useable before invoking row_sel_convert_mysql_key_to_innobase().
This fix is based on a suggestion by Yasufumi Kinoshita.
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when renaming tables
Allocate the table name using ut_malloc() instead of table->heap because
the latter cannot be freed.
Adjust dict_sys->size calculations all over the code.
Change dict_table_t::name from const char* to char* because we need to
ut_malloc()/ut_free() it.
Reviewed by: Inaam, Marko, Heikki (rb://384)
Approved by: Heikki (rb://384)
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dict_check_tablespaces_and_store_max_id(): Initialize max_space_id
and fil_system->max_assigned_id from DICT_HDR_MAX_SPACE_ID.
fil_space_create(): Suppress the warning unless !recv_recovery_on
(do not complain while applying the redo log).
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rb://290, approved by Sunny
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1.0.9 has been released with MySQL 5.1.48.
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account for each merge run's start offset, so correct offsets are
paired up for multiple merge runs.
rb://377 approved by Marko
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