unused label when neither WIN_ASYNC_IO nor LINUX_NATIVE_AIO is defined.
Add comments to #endif directives.

  ------------------------------------------------------------------------
  r4008 | vasil | 2009-01-20 17:01:08 +0200 (Tue, 20 Jan 2009) | 4 lines

  branches/zip:

  Add ChangeLog entries for the bugfixes in r4004 and r4005.

  ------------------------------------------------------------------------
  r4027 | marko | 2009-01-23 11:04:49 +0200 (Fri, 23 Jan 2009) | 1 line

  branches/zip: Remove some redundant #include statements.
  ------------------------------------------------------------------------
  r4028 | marko | 2009-01-23 11:26:10 +0200 (Fri, 23 Jan 2009) | 13 lines

  branches/zip: Enclose some more unused code in #ifdef UNIV_LOG_ARCHIVE.
  This will help trim the dependencies of InnoDB Hot Backup.

  recv_recovery_from_checkpoint_start(): Rename to
  recv_recovery_from_checkpoint_start_func(), and remove the two first
  parameters unless UNIV_LOG_ARCHIVE is defined.  Define and use
  the auxiliary macros TYPE_CHECKPOINT and LIMIT_LSN in the function.

  struct recv_sys_struct: Remove archive_group unless UNIV_LOG_ARCHIVE
  is defined.

  Do not define LOG_ARCHIVE unless UNIV_LOG_ARCHIVE is defined.
  ------------------------------------------------------------------------
  r4029 | marko | 2009-01-23 14:07:38 +0200 (Fri, 23 Jan 2009) | 1 line

  branches/zip: Remove some redundant #include directives.
  ------------------------------------------------------------------------
  r4030 | marko | 2009-01-23 15:31:36 +0200 (Fri, 23 Jan 2009) | 2 lines

  branches/zip: buf_page_get_gen(): Remove the unused mode BUF_GET_NOWAIT.
  This was noticed while investigating Issue #160.
  ------------------------------------------------------------------------
  r4033 | marko | 2009-01-23 15:49:04 +0200 (Fri, 23 Jan 2009) | 16 lines

  branches/zip: Merge revisions 4005:4032 from branches/5.1:

    ------------------------------------------------------------------------
    r4032 | marko | 2009-01-23 15:43:51 +0200 (Fri, 23 Jan 2009) | 10 lines

    branches/5.1: Merge r4031 from branches/5.0:

    btr_search_drop_page_hash_when_freed(): Check if buf_page_get_gen()
    returns NULL.  The page may have been evicted from the buffer pool
    between buf_page_peek_if_search_hashed() and buf_page_get_gen(),
    because the buffer pool mutex will be released between these two calls.
    (Bug #42279, Issue #160)

    rb://82 approved by Heikki Tuuri
    ------------------------------------------------------------------------
  ------------------------------------------------------------------------
  r4034 | marko | 2009-01-26 16:16:39 +0200 (Mon, 26 Jan 2009) | 2 lines

  branches/zip: buf_page_get_gen(): Fix a "possibly uninitialized" warning
  that was introduced in r4030.
  ------------------------------------------------------------------------
  r4036 | marko | 2009-01-26 22:33:20 +0200 (Mon, 26 Jan 2009) | 22 lines

  branches/zip: In r988, the function buf_block_align() was enclosed
  within UNIV_DEBUG. The two remaining callers in non-debug builds,
  btr_search_guess_on_hash() and btr_search_validate(), were rewritten
  to call buf_page_hash_get().

  To implement support for a resizeable buffer pool, the function
  buf_block_align() had been rewritten to perform a page hash lookup in
  the buffer pool. The caller was also made responsible for holding the
  buffer pool mutex.

  Because the page hash lookup is expensive and it has to be done while
  holding the buffer pool mutex, implement buf_block_align() by pointer
  arithmetics again, and make btr_search_guess_on_hash() call it. Note
  that this will have to be adjusted if the interface to the resizeable
  buffer pool is actually implemented.

  rb://83 approved by Heikki Tuuri, to address Issue #161.

  As a deviation from the approved patch, this patch also makes
  btr_search_validate() (invoked by CHECK TABLE) check that
  buf_pool->page_hash is consistent with buf_block_align().
  ------------------------------------------------------------------------
  r4039 | vasil | 2009-01-27 08:04:17 +0200 (Tue, 27 Jan 2009) | 5 lines

  branches/zip:

  Adjust the paths in innodb_file_per_table.diff with a recent rename of
  the test/result files in the MySQL tree.
  ------------------------------------------------------------------------
  r4042 | marko | 2009-01-27 10:05:24 +0200 (Tue, 27 Jan 2009) | 2 lines

  branches/zip: buf_LRU_invalidate_tablespace(): Fix a race condition:
  read zip_size while still holding block_mutex.
  ------------------------------------------------------------------------
  r4045 | marko | 2009-01-28 00:31:17 +0200 (Wed, 28 Jan 2009) | 8 lines

  branches/zip: btr_search_validate(): Fix a bogus UNIV_DEBUG
  assertion failure that was accidentally introduced in r4036.
  Instead of calling buf_block_get_frame(), which asserts that the
  block must be buffer-fixed, access block->frame directly.  That
  is safe, because changes of block->page.state are protected by
  the buffer pool mutex, which we are holding.

  This bug was reported by Michael.
  ------------------------------------------------------------------------
  r4046 | marko | 2009-01-28 00:33:20 +0200 (Wed, 28 Jan 2009) | 2 lines

  branches/zip: Revert the change to univ.i that was accidentally
  committed in r4045.
  ------------------------------------------------------------------------
  r4047 | marko | 2009-01-28 00:46:13 +0200 (Wed, 28 Jan 2009) | 6 lines

  branches/zip: btr_search_validate(): Fix an assertion failure that was
  introduced in r4036.
  Do not call buf_block_get_space(), buf_block_get_page_no()
  unless the block state is BUF_BLOCK_FILE_PAGE.

  This bug was reported by Michael.
  ------------------------------------------------------------------------
  r4050 | vasil | 2009-01-28 08:21:44 +0200 (Wed, 28 Jan 2009) | 5 lines

  branches/zip:

  Adjust the paths in innodb_lock_wait_timeout.diff with a recent rename of
  the test/result files in the MySQL tree.
  ------------------------------------------------------------------------
  r4051 | marko | 2009-01-28 14:35:49 +0200 (Wed, 28 Jan 2009) | 1 line

  branches/zip: trx0sys.ic: Remove unnecessary #include <data0type.h>.
  ------------------------------------------------------------------------
  r4052 | marko | 2009-01-28 15:21:45 +0200 (Wed, 28 Jan 2009) | 5 lines

  branches/zip: Enclose some functions inside #ifdef UNIV_HOTBACKUP:

  ut_sprintf_timestamp_without_extra_chars(), ut_get_year_month_day(),
  log_reset_first_header_and_checkpoint(): These functions are only used
  in InnoDB Hot Backup.
  ------------------------------------------------------------------------
  r4056 | calvin | 2009-01-29 03:06:41 +0200 (Thu, 29 Jan 2009) | 33 lines

  branches/zip: Merge revisions 4032:4035 from branches/5.1

  All InnoDB related tests passed on Windows, except
  known failure in partition_innodb_semi_consistent.

  The inadvertent change to btr0sea.c in this commit is reverted in r4060.

    ------------------------------------------------------------------------
    r4035 | vasil | 2009-01-26 09:26:25 -0600 (Mon, 26 Jan 2009) | 23 lines

    branches/5.1:

    Merge a change from MySQL:

      ------------------------------------------------------------
      revno: 2646.161.4
      committer: Tatiana A. Nurnberg <azundris@mysql.com>
      branch nick: 51-31177v2
      timestamp: Mon 2009-01-12 06:32:49 +0100
      message:
        Bug#31177: Server variables can't be set to their current values

        Bounds-checks and blocksize corrections were applied to user-input,
        but constants in the server were trusted implicitly. If these values
        did not actually meet the requirements, the user could not set change
        a variable, then set it back to the (wonky) factory default or maximum
        by explicitly specifying it (SET <var>=<value> vs SET <var>=DEFAULT).

        Now checks also apply to the server's presets. Wonky values and maxima
        get corrected at startup. Consequently all non-offsetted values the user
        sees are valid, and users can set the variable to that exact value if
        they so desire.
  ------------------------------------------------------------------------
  r4060 | marko | 2009-01-29 09:39:04 +0200 (Thu, 29 Jan 2009) | 1 line

  branches/zip: btr0sea.c: Revert the inadvertent change made in r4056.
  ------------------------------------------------------------------------

innodb_change_buffering, with the following values:

none - buffer nothing
inserts - buffer inserts (like InnoDB so far)
deletes - buffer delete-marks
changes - buffer inserts and delete-marks
purges - buffer delete-marks and deletes
all - buffer all operations (insert, delete-mark, delete)

The default is 'all'. All values except 'none' and 'inserts' will make
InnoDB+ write new-format records to the insert buffer, even for inserts.

We will implement this variable in the InnoDB Plugin 1.0.3 with the values
'none' and 'inserts' (the default).

This patch also adds a #if 0 TODO snippet for tagging the insert buffer
format in the system tablespace. This is related to
https://svn.innodb.com/innobase/Saving_last_shutdown_state and Issue #81.

rb://79 approved by Heikki Tuuri and Ken Jacobs.

  ------------------------------------------------------------------------
  r3938 | marko | 2009-01-15 10:28:23 +0200 (Thu, 15 Jan 2009) | 3 lines

  branches/zip: buf_LRU_invalidate_tablespace(), buf_LRU_free_block():
  Add comments and assertions that buf_LRU_block_remove_hashed_page()
  will release block_mutex when it returns BUF_BLOCK_ZIP_FREE.
  ------------------------------------------------------------------------
  r3939 | marko | 2009-01-15 10:37:51 +0200 (Thu, 15 Jan 2009) | 7 lines

  branches/zip: buf0lru.c: Improve debug assertions.

  buf_LRU_block_free_non_file_page(): ut_ad(block) before dereferencing block.

  buf_LRU_block_remove_hashed_page(): Forbid buf_pool_mutex_exit() while
  calling buf_buddy_free().  Callers of buf_LRU_block_remove_hashed_page()
  assume that the buffer pool mutex will not be released and reacquired.
  ------------------------------------------------------------------------
  r3944 | vasil | 2009-01-15 21:15:00 +0200 (Thu, 15 Jan 2009) | 4 lines

  branches/zip:

  Add ChangeLog entries for the bug fixes in r3911 and r3930.
  ------------------------------------------------------------------------
  r3958 | marko | 2009-01-16 14:53:40 +0200 (Fri, 16 Jan 2009) | 8 lines

  branches/zip: Add assertions that the kernel_mutex is being held
  while accessing table->locks or un_member.tab_lock.locks.
  This is related to Issue #158.  According to static analysis,
  the added debug assertions should always hold.

  lock_table_has_to_wait_in_queue(), lock_queue_iterator_reset(),
  lock_queue_iterator_get_prev(), add_trx_relevant_locks_to_cache(),
  fetch_data_into_cache(): Add ut_ad(mutex_own(&kernel_mutex)).
  ------------------------------------------------------------------------
  r4006 | marko | 2009-01-20 16:29:22 +0200 (Tue, 20 Jan 2009) | 33 lines

  branches/zip: Merge revisions 3930:4005 from branches/5.1:

    ------------------------------------------------------------------------
    r4004 | marko | 2009-01-20 16:19:00 +0200 (Tue, 20 Jan 2009) | 12 lines

    branches/5.1: Merge r4003 from branches/5.0:

    rec_set_nth_field(): When the field already is SQL null,
    do nothing when it is being changed to SQL null. (Bug #41571)

    Normally, MySQL does not pass "do-nothing" updates to the storage engine.
    When it does and a column of an InnoDB table that is in ROW_FORMAT=COMPACT
    is being updated from NULL to NULL, the InnoDB buffer pool will be corrupted
    without this fix.

    rb://81 approved by Heikki Tuuri
    ------------------------------------------------------------------------
    r4005 | marko | 2009-01-20 16:22:36 +0200 (Tue, 20 Jan 2009) | 8 lines

    branches/5.1: lock_is_table_exclusive(): Acquire kernel_mutex before
    accessing table->locks and release kernel_mutex before returning from
    the function.  This fixes a portential race condition in the
    "commit every 10,000 rows" in ALTER TABLE, CREATE INDEX, DROP INDEX,
    and OPTIMIZE TABLE. (Bug #42152)

    rb://80 approved by Heikki Tuuri
    ------------------------------------------------------------------------

  ------------------------------------------------------------------------
  r3607 | marko | 2008-12-30 22:33:31 +0200 (Tue, 30 Dec 2008) | 20 lines

  branches/zip: Remove the dependency on the MySQL HASH table implementation.
  Use the InnoDB hash table for keeping track of INNOBASE_SHARE objects.

  struct st_innobase_share: Make table_name const uchar*.  Add the member
  table_name_hash.

  innobase_open_tables: Change the type from HASH to hash_table_t*.

  innobase_get_key(): Remove.

  innobase_fold_name(): New function, for computing the fold value for the
  InnoDB hash table.

  get_share(), free_share(): Use the InnoDB hash functions.

  innobase_end(): Free innobase_open_tables before shutting down InnoDB.
  Shutting down InnoDB will invalidate all memory allocated via InnoDB.

  rb://65 approved by Heikki Tuuri.  This addresses Issue #104.
  ------------------------------------------------------------------------
  r3608 | marko | 2008-12-30 22:45:04 +0200 (Tue, 30 Dec 2008) | 22 lines

  branches/zip: When setting the PAGE_LEVEL of a compressed B-tree page
  from or to 0, compress the page at the same time.  This is necessary,
  because the column information stored on the compressed page will
  differ between leaf and non-leaf pages.  Leaf pages are identified by
  PAGE_LEVEL=0.  This bug was reported as Issue #150.

  Document the similarity between btr_page_create() and
  btr_page_empty().  Make the function signature of btr_page_empty()
  identical with btr_page_create().  (This will add the parameter "level".)

  btr_root_raise_and_insert(): Replace some code with a call to
  btr_page_empty().

  btr_attach_half_pages(): Assert that the page level has already been
  set on both block and new_block.  Do not set it again.

  btr_discard_only_page_on_level(): Document that this function is
  probably never called.  Make it work on any height tree.  (Tested on
  2-high tree by disabling btr_lift_page_up().)

  rb://68
  ------------------------------------------------------------------------
  r3612 | marko | 2009-01-02 11:02:44 +0200 (Fri, 02 Jan 2009) | 14 lines

  branches/zip: Merge c2998 from branches/6.0, so that the same InnoDB Plugin
  source tree will work both under 5.1 and 6.0.  Do not add the test case
  innodb_ctype_ldml.test, because it would not work under MySQL 5.1.

  Refuse to create tables whose columns contain collation IDs above 255.
  This removes an assertion failure that was introduced in WL#4164
  (Two-byte collation IDs).

  create_table_def(): Do not fail an assertion if a column contains a
  charset-collation ID greater than 256. Instead, issue an error and
  refuse to create the table.

  The original change (branches/6.0 r2998) was rb://51 approved by Calvin Sun.
  ------------------------------------------------------------------------
  r3613 | inaam | 2009-01-02 15:10:50 +0200 (Fri, 02 Jan 2009) | 6 lines

  branches/zip: Implement the parameter innodb_use_sys_malloc
  (false by default), for disabling InnoDB's internal memory allocator
  and using system malloc/free instead.

  rb://62 approved by Marko
  ------------------------------------------------------------------------
  r3614 | marko | 2009-01-02 15:55:12 +0200 (Fri, 02 Jan 2009) | 1 line

  branches/zip: ChangeLog: Document r3608 and r3613.
  ------------------------------------------------------------------------
  r3615 | marko | 2009-01-02 15:57:51 +0200 (Fri, 02 Jan 2009) | 1 line

  branches/zip: ChangeLog: Clarify the impact of r3608.
  ------------------------------------------------------------------------
  r3616 | marko | 2009-01-03 00:23:30 +0200 (Sat, 03 Jan 2009) | 1 line

  branches/zip: srv_suspend_mysql_thread(): Add some clarifying comments.
  ------------------------------------------------------------------------
  r3618 | marko | 2009-01-05 12:54:53 +0200 (Mon, 05 Jan 2009) | 15 lines

  branches/zip: Merge revisions 3598:3601 from branches/5.1:

    ------------------------------------------------------------------------
    r3601 | marko | 2008-12-22 16:05:19 +0200 (Mon, 22 Dec 2008) | 9 lines

    branches/5.1: Make
    SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED
    a true replacement of SET GLOBAL INNODB_LOCKS_UNSAFE_FOR_BINLOG=1.
    This fixes an error that was introduced in r370, causing
    semi-consistent read not to not unlock rows in READ COMMITTED mode.
    (Bug #41671, Issue #146)

    rb://67 approved by Heikki Tuuri
    ------------------------------------------------------------------------
  ------------------------------------------------------------------------
  r3623 | vasil | 2009-01-06 09:56:32 +0200 (Tue, 06 Jan 2009) | 7 lines

  branches/zip:

  Add patch to fix the failing main.variables mysql-test. It started failing
  after the variable innodb_use_sys_malloc was added because it matches
  '%alloc%' and the test is badly written and expects that no new variables
  like that will ever be added.
  ------------------------------------------------------------------------
  r3795 | marko | 2009-01-07 16:17:47 +0200 (Wed, 07 Jan 2009) | 7 lines

  branches/zip: row_merge_tuple_cmp(): Do not report a duplicate key value
  if any of the fields are NULL.  While the tuples are equal in the
  sorting order, SQL NULL is defined to be logically inequal to
  anything else. (Bug #41904)

  rb://70 approved by Heikki Tuuri
  ------------------------------------------------------------------------
  r3796 | marko | 2009-01-07 16:19:32 +0200 (Wed, 07 Jan 2009) | 1 line

  branches/zip: Add the tests that were forgotten from r3795.
  ------------------------------------------------------------------------
  r3797 | marko | 2009-01-07 16:22:18 +0200 (Wed, 07 Jan 2009) | 22 lines

  branches/zip: Do not call trx_allocate_for_mysql() directly, but use
  helper functions that initialize some members of the transaction struct.
  (Bug #41680)

  innobase_trx_init(): New function: initialize some fields of a
  transaction struct from a MySQL THD object.

  innobase_trx_allocate(): New function: allocate and initialize a
  transaction struct.

  check_trx_exists(): Use the above two functions.

  ha_innobase::delete_table(), ha_innobase::rename_table(),
  ha_innobase::add_index(), ha_innobase::final_drop_index():
  Use innobase_trx_allocate().

  innobase_drop_database(): In the Windows plugin, initialize the trx_t
  specially, because the THD is not available.  Otherwise, use
  innobase_trx_allocate().

  rb://69 accepted by Heikki Tuuri
  ------------------------------------------------------------------------
  r3798 | marko | 2009-01-07 16:42:42 +0200 (Wed, 07 Jan 2009) | 8 lines

  branches/zip: row_merge_drop_temp_indexes(): Do not lock the rows of
  SYS_INDEXES when looking for partially created indexes.  Use the
  transaction isolation level READ UNCOMMITTED to avoid interfering with
  locks held by incomplete transactions that will be rolled back in a
  subsequent step in the recovery.  (Issue #152)

  Approved by Heikki Tuuri
  ------------------------------------------------------------------------
  r3852 | vasil | 2009-01-08 22:10:10 +0200 (Thu, 08 Jan 2009) | 4 lines

  branches/zip:

  Add ChangeLog entries for r3795 r3796 r3797 r3798.

  ------------------------------------------------------------------------
  r3866 | marko | 2009-01-09 15:09:51 +0200 (Fri, 09 Jan 2009) | 2 lines

  branches/zip: buf_flush_try_page(): Move some common code from each
  switch case before the switch block.
  ------------------------------------------------------------------------
  r3867 | marko | 2009-01-09 15:13:14 +0200 (Fri, 09 Jan 2009) | 2 lines

  branches/zip: buf_flush_try_page(): Introduce the variable is_compressed
  for caching the result of buf_page_get_state(bpage) == BUF_BLOCK_FILE_PAGE.
  ------------------------------------------------------------------------
  r3868 | marko | 2009-01-09 15:40:11 +0200 (Fri, 09 Jan 2009) | 4 lines

  branches/zip: buf_flush_insert_into_flush_list(),
  buf_flush_insert_sorted_into_flush_list(): Remove unused code.
  Change the parameter to buf_block_t* block and assert that
  block->state == BUF_BLOCK_FILE_PAGE.  This is part of Issue #155.
  ------------------------------------------------------------------------
  r3873 | marko | 2009-01-09 22:27:40 +0200 (Fri, 09 Jan 2009) | 17 lines

  branches/zip: Some non-functional changes related to Issue #155.

  buf_page_struct: Note that space and offset are also protected by
  buf_pool_mutex.  They are only assigned to by
  buf_block_set_file_page().  Thus, it suffices for buf_flush_batch() to
  hold just buf_pool_mutex when checking these fields.

  buf_flush_try_page(): Rename "locked" to "is_s_latched", per Heikki's request.

  buf_flush_batch(): Move the common statement mutex_exit(block_mutex)
  from all if-else if-else branches before the if block.  Remove the
  redundant test (buf_pool->init_flush[flush_type] == FALSE) that was
  apparently copied from buf_flush_write_complete().

  buf_flush_write_block_low(): Note why it is safe not to hold buf_pool_mutex
  or block_mutex.  Enumerate the assumptions in debug assertions.
  ------------------------------------------------------------------------
  r3874 | marko | 2009-01-09 23:09:06 +0200 (Fri, 09 Jan 2009) | 4 lines

  branches/zip: Add comments related to Issue #155.

  buf_flush_try_page(): Note why it is safe to access bpage without
  holding buf_pool_mutex or block_mutex.
  ------------------------------------------------------------------------
  r3875 | marko | 2009-01-09 23:15:12 +0200 (Fri, 09 Jan 2009) | 11 lines

  branches/zip: Non-functional change: Tighten debug assertions and
  remove dead code.

  buf_flush_ready_for_flush(), buf_flush_try_page(): Assert that
  flush_type is one of BUF_FLUSH_LRU or BUF_FLUSH_LIST.  The flush_type
  comes from buf_flush_batch(), which already asserts this.  The
  assertion holds for all calls in the source code.

  buf_flush_try_page(): Remove the dead case BUF_FLUSH_SINGLE_PAGE
  of switch (flush_type).
  ------------------------------------------------------------------------
  r3879 | marko | 2009-01-12 12:46:44 +0200 (Mon, 12 Jan 2009) | 14 lines

  branches/zip: Simplify the flushing of dirty pages from the buffer pool.

  buf_flush_try_page(): Rename to buf_flush_page(), and change the
  return type to void.  Replace the parameters space, offset with bpage,
  and remove the second page hash lookup.  Note and assert that both
  buf_pool_mutex and block_mutex must now be held upon entering the
  function.  They will still be released by this function.

  buf_flush_try_neighbors(): Replace buf_flush_try_page() with
  buf_flush_page().  Make the logic easier to follow by not negating the
  precondition of buf_flush_page().

  rb://73 approved by Sunny Bains.  This is related to Issue #157.
  ------------------------------------------------------------------------
  r3880 | marko | 2009-01-12 13:24:37 +0200 (Mon, 12 Jan 2009) | 2 lines

  branches/zip: buf_flush_page(): Fix a comment that should have been fixed
  in r3879.  Spotted by Sunny.
  ------------------------------------------------------------------------
  r3881 | marko | 2009-01-12 14:25:22 +0200 (Mon, 12 Jan 2009) | 2 lines

  branches/zip: buf_page_get_newest_modification(): Use the block mutex
  instead of the buffer pool mutex.  This is related to Issue #157.
  ------------------------------------------------------------------------
  r3882 | marko | 2009-01-12 14:40:08 +0200 (Mon, 12 Jan 2009) | 3 lines

  branches/zip: struct mtr_struct: Remove the unused field magic_n
  unless UNIV_DEBUG is defined.  mtr->magic_n is only assigned to
  and checked in UNIV_DEBUG builds.
  ------------------------------------------------------------------------
  r3883 | marko | 2009-01-12 14:48:59 +0200 (Mon, 12 Jan 2009) | 1 line

  branches/zip: Non-functional change: Use ut_d when assigning to mtr->state.
  ------------------------------------------------------------------------
  r3884 | marko | 2009-01-12 18:56:11 +0200 (Mon, 12 Jan 2009) | 16 lines

  branches/zip: Non-functional change: Add some debug assertions and comments.

  buf_page_t: Note that the LRU fields are protected by buf_pool_mutex
  only, not block->mutex or buf_pool_zip_mutex.

  buf_page_get_freed_page_clock(): Note that this is sometimes invoked
  without mutex protection.

  buf_pool_get_oldest_modification(): Note that the result may be out of
  date.

  buf_page_get_LRU_position(), buf_page_is_old(): Assert that the buffer
  pool mutex is being held.

  buf_page_release(): Assert that dirty blocks are in the flush list.
  ------------------------------------------------------------------------
  r3896 | marko | 2009-01-13 09:30:26 +0200 (Tue, 13 Jan 2009) | 2 lines

  branches/zip: buf_flush_try_neighbors(): Fix a bug
  that was introduced in r3879 (rb://73).
  ------------------------------------------------------------------------
  r3900 | marko | 2009-01-13 10:32:24 +0200 (Tue, 13 Jan 2009) | 1 line

  branches/zip: Fix some comments to say buf_pool_mutex.
  ------------------------------------------------------------------------
  r3907 | marko | 2009-01-13 11:54:01 +0200 (Tue, 13 Jan 2009) | 3 lines

  branches/zip: row_merge_create_temporary_table(): On error,
  row_create_table_for_mysql() already frees new_table.
  Do not attempt to free it again.
  ------------------------------------------------------------------------
  r3908 | marko | 2009-01-13 12:34:32 +0200 (Tue, 13 Jan 2009) | 1 line

  branches/zip: Enable HASH_ASSERT_OWNED independently of UNIV_SYNC_DEBUG.
  ------------------------------------------------------------------------
  r3914 | marko | 2009-01-13 21:46:22 +0200 (Tue, 13 Jan 2009) | 37 lines

  branches/zip: In hash table lookups, assert that the traversed items
  satisfy some conditions when UNIV_DEBUG is defined.

  HASH_SEARCH(): New parameter: ASSERTION. All users will pass an appropriate
  ut_ad() or nothing.

  dict_table_add_to_columns(): Assert that the table being added to the data
  dictionary cache is not already being pointed to by the name_hash and
  id_hash tables.

  HASH_SEARCH_ALL(): New macro, for use in dict_table_add_to_columns().

  dict_mem_table_free(): Set ut_d(table->cached = FALSE), so that we can
  check ut_ad(table->cached) when traversing the hash tables, as in
  HASH_SEARCH(name_hash, dict_sys->table_hash, ...) and
  HASH_SEARCH(id_hash, dict_sys->table_id_hash, ...).

  dict_table_get_low(), dict_table_get_on_id_low(): Assert
  ut_ad(!table || table->cached).

  fil_space_get_by_id(): Check ut_ad(space->magic_n == FIL_SPACE_MAGIC_N)
  in HASH_SEARCH(hash, fil_system->spaces, ...).

  fil_space_get_by_name(): Check ut_ad(space->magic_n == FIL_SPACE_MAGIC_N)
  in HASH_SEARCH(name_hash, fil_system->name_hash, ...).

  buf_buddy_block_free(): Check that the blocks are in valid state in
  HASH_SEARCH(hash, buf_pool->zip_hash, ...).

  buf_page_hash_get(): Check that the blocks are in valid state in
  HASH_SEARCH(hash, buf_pool->page_hash, ...).

  get_share(), free_share(): Check ut_ad(share->use_count > 0) in
  HASH_SEARCH(table_name_hash, innobase_open_tables, ...).

  This was posted as rb://75 for tracking down errors similar to Issue #153.
  ------------------------------------------------------------------------
  r3931 | marko | 2009-01-14 16:06:22 +0200 (Wed, 14 Jan 2009) | 26 lines

  branches/zip: Merge revisions 3601:3930 from branches/5.1:

    ------------------------------------------------------------------------
    r3911 | sunny | 2009-01-13 14:15:24 +0200 (Tue, 13 Jan 2009) | 13 lines

    branches/5.1: Fix Bug#38187 Error 153 when creating savepoints
    InnoDB previously treated savepoints as a stack e.g.,
      SAVEPOINT a;
      SAVEPOINT b;
      SAVEPOINT c;
      SAVEPOINT b; <- This would delete b and c.

    This fix changes the behavior to:
      SAVEPOINT a;
      SAVEPOINT b;
      SAVEPOINT c;
      SAVEPOINT b; <- Does not delete savepoint c
    ------------------------------------------------------------------------
    r3930 | marko | 2009-01-14 15:51:30 +0200 (Wed, 14 Jan 2009) | 4 lines

    branches/5.1: dict_load_table(): If dict_load_indexes() fails,
    invoke dict_table_remove_from_cache() instead of dict_mem_table_free(),
    so that the data dictionary will not point to freed data.
    (Bug #42075, Issue #153, rb://76 approved by Heikki Tuuri)
    ------------------------------------------------------------------------
  ------------------------------------------------------------------------

Enable group commit functionality.

rb://47 approved by: Heikki

Provide support for native AIO on Linux.

rb://46 approved by: Marko

  ------------------------------------------------------------------------
  r3607 | marko | 2008-12-30 22:33:31 +0200 (Tue, 30 Dec 2008) | 20 lines

  branches/zip: Remove the dependency on the MySQL HASH table implementation.
  Use the InnoDB hash table for keeping track of INNOBASE_SHARE objects.

  struct st_innobase_share: Make table_name const uchar*.  Add the member
  table_name_hash.

  innobase_open_tables: Change the type from HASH to hash_table_t*.

  innobase_get_key(): Remove.

  innobase_fold_name(): New function, for computing the fold value for the
  InnoDB hash table.

  get_share(), free_share(): Use the InnoDB hash functions.

  innobase_end(): Free innobase_open_tables before shutting down InnoDB.
  Shutting down InnoDB will invalidate all memory allocated via InnoDB.

  rb://65 approved by Heikki Tuuri.  This addresses Issue #104.
  ------------------------------------------------------------------------
  r3608 | marko | 2008-12-30 22:45:04 +0200 (Tue, 30 Dec 2008) | 22 lines

  branches/zip: When setting the PAGE_LEVEL of a compressed B-tree page
  from or to 0, compress the page at the same time.  This is necessary,
  because the column information stored on the compressed page will
  differ between leaf and non-leaf pages.  Leaf pages are identified by
  PAGE_LEVEL=0.  This bug was reported as Issue #150.

  Document the similarity between btr_page_create() and
  btr_page_empty().  Make the function signature of btr_page_empty()
  identical with btr_page_create().  (This will add the parameter "level".)

  btr_root_raise_and_insert(): Replace some code with a call to
  btr_page_empty().

  btr_attach_half_pages(): Assert that the page level has already been
  set on both block and new_block.  Do not set it again.

  btr_discard_only_page_on_level(): Document that this function is
  probably never called.  Make it work on any height tree.  (Tested on
  2-high tree by disabling btr_lift_page_up().)

  rb://68
  ------------------------------------------------------------------------

  ------------------------------------------------------------------------
  r3602 | marko | 2008-12-22 16:40:17 +0200 (Mon, 22 Dec 2008) | 6 lines

  branches/zip: page_cur_insert_rec_zip(): When allocating insert_buf from
  the free list, zero out the node pointer field of the deleted record if
  the new record would not overwrite it.  This fixes a harmless content
  mismatch reported by page_zip_validate() that was reported as Issue #147.

  rb://66 approved by Heikki Tuuri
  ------------------------------------------------------------------------

  ------------------------------------------------------------------------
  r3589 | marko | 2008-12-18 15:24:44 +0200 (Thu, 18 Dec 2008) | 2 lines

  branches/zip: ha_innodb.cc: Do not include some unnecessary MySQL
  header files.
  ------------------------------------------------------------------------
  r3594 | marko | 2008-12-19 13:58:13 +0200 (Fri, 19 Dec 2008) | 4 lines

  branches/zip: HASH_INSERT, HASH_DELETE: Add explicit type conversions,
  so that the macros will expand to valid C++.  Unlike C++, C allows
  implicit type conversions from void* to other pointer types.
  ------------------------------------------------------------------------
  r3597 | marko | 2008-12-22 12:27:16 +0200 (Mon, 22 Dec 2008) | 3 lines

  branches/zip: Pass the caller's file name and line number to
  row_mysql_lock_data_dictionary(), row_mysql_freeze_data_dictionary(),
  to better track down locking issues that involve dict_operation_lock.
  ------------------------------------------------------------------------
  r3599 | marko | 2008-12-22 15:41:47 +0200 (Mon, 22 Dec 2008) | 36 lines

  branches/zip: Merge revisions 3479:3598 from branches/5.1:

    ------------------------------------------------------------------------
    r3588 | inaam | 2008-12-18 14:26:54 +0200 (Thu, 18 Dec 2008) | 8 lines

    branches/5.1

    It is a bug in unused code. If we don't calculate the hash value when
    calculating the mutex number then two pages which map to same hash
    value can get two different mutex numbers.

    Approved by: Marko
    ------------------------------------------------------------------------
    r3590 | marko | 2008-12-18 15:33:36 +0200 (Thu, 18 Dec 2008) | 11 lines

    branches/5.1: When converting a record to MySQL format, copy the default
    column values for columns that are SQL NULL.  This addresses failures in
    row-based replication (Bug #39648).

    row_prebuilt_t: Add default_rec, for the default values of the columns in
    MySQL format.

    row_sel_store_mysql_rec(): Use prebuilt->default_rec instead of
    padding columns.

    rb://64 approved by Heikki Tuuri
    ------------------------------------------------------------------------
    r3598 | marko | 2008-12-22 15:28:03 +0200 (Mon, 22 Dec 2008) | 6 lines

    branches/5.1: ibuf_delete_rec(): When the record cannot be found and
    the tablespace has been dropped, commit the mini-transaction, so that
    InnoDB will not hold the insert buffer tree latch in exclusive mode,
    causing a potential deadlock.  This bug was introduced in the fix of
    Bug #27276 in r2924.
    ------------------------------------------------------------------------
  ------------------------------------------------------------------------

  ------------------------------------------------------------------------
  r3577 | vasil | 2008-12-17 14:58:26 +0200 (Wed, 17 Dec 2008) | 6 lines

  branches/zip:

  Remove 2 entries from the ChangeLog about changes not big enough.

  Discussed with: Marko
  ------------------------------------------------------------------------
  r3579 | marko | 2008-12-17 22:40:38 +0200 (Wed, 17 Dec 2008) | 3 lines

  branches/zip: row_sel_try_search_shortcut(), row_sel(): Adjust two
  debug assertions that should have been adjusted in r3575.
  ------------------------------------------------------------------------

  ------------------------------------------------------------------------
  r3572 | marko | 2008-12-17 11:19:56 +0200 (Wed, 17 Dec 2008) | 3 lines
  Changed paths:
     M /branches/zip/ChangeLog
     M /branches/zip/btr/btr0sea.c
     M /branches/zip/buf/buf0buf.c
     M /branches/zip/buf/buf0lru.c
     M /branches/zip/ha/ha0ha.c
     M /branches/zip/ha/hash0hash.c
     M /branches/zip/include/buf0buf.h
     M /branches/zip/include/ha0ha.h
     M /branches/zip/include/ha0ha.ic
     M /branches/zip/include/hash0hash.h
     M /branches/zip/include/univ.i

  branches/zip: Introduce UNIV_AHI_DEBUG for debugging the adaptive hash
  index without enabling UNIV_DEBUG.
  ------------------------------------------------------------------------
  r3574 | marko | 2008-12-17 12:44:31 +0200 (Wed, 17 Dec 2008) | 2 lines
  Changed paths:
     M /branches/zip/ChangeLog

  branches/zip: ChangeLog: Document recent changes that were not included in
  InnoDB Plugin 1.0.2, except changes to source code comments.
  ------------------------------------------------------------------------
  r3575 | marko | 2008-12-17 14:40:58 +0200 (Wed, 17 Dec 2008) | 12 lines
  Changed paths:
     M /branches/zip/ChangeLog
     M /branches/zip/include/row0sel.h
     M /branches/zip/include/row0upd.h
     M /branches/zip/pars/pars0pars.c
     M /branches/zip/row/row0mysql.c
     M /branches/zip/row/row0sel.c
     M /branches/zip/row/row0upd.c

  branches/zip: Remove update-in-place-in-select from the internal SQL
  interpreter.  It was only used for updating the InnoDB internal data
  dictionary when renaming or dropping tables.  It could have caused
  deadlocks after acquiring latches on insert buffer bitmap pages.
  This and r3544 should fix Issue #135.

  Furthermore, the update-in-place-in-select does not account for
  compression failure.  That was not a problem yet, since the InnoDB SQL
  interpreter has so far assumed ROW_FORMAT=REDUNDANT.

  rb://63 approved by Heikki Tuuri
  ------------------------------------------------------------------------

inserts into the clustered index, so that the ut_ad() introduced in
r3475 will not fail.

  ------------------------------------------------------------------------
  r3541 | marko | 2008-12-16 12:14:58 +0200 (Tue, 16 Dec 2008) | 3 lines

  branches/zip: btr_cur_optimistic_delete(): Note that no further pages
  must be latched before calling mtr_commit(mtr) if the function returns TRUE.
  ------------------------------------------------------------------------
  r3544 | marko | 2008-12-16 15:52:36 +0200 (Tue, 16 Dec 2008) | 20 lines

  branches/zip: Do not update the free bits in the insert buffer bitmap
  when inserting or deleting from the insert buffer B-tree.  Assert that
  records in the insert buffer B-tree are never updated.  This could cure
  Issue #135.

  btr_cur_optimistic_insert(): Do not update the insert buffer bitmap
  when inserting to the insert buffer tree.

  btr_cur_optimistic_delete(): Do not update the insert buffer bitmap
  when deleting from the insert buffer tree.  This could be the cause
  of the assertion failure that was reported in Issue #135.

  btr_cur_update_alloc_zip(): Assert that the index is not the insert
  buffer.  The insert buffer will never be stored in compressed format.

  btr_cur_update_in_place(), btr_cur_optimistic_update(),
  btr_cur_pessimistic_update(): Assert that these functions are never
  invoked on the insert buffer tree.  The insert buffer only supports
  the insertion and deletion of records.
  ------------------------------------------------------------------------

  ------------------------------------------------------------------------
  r3537 | marko | 2008-12-16 10:24:03 +0200 (Tue, 16 Dec 2008) | 3 lines

  branches/zip: sync_thread_add_level(): Add a comment explaining the
  assertion about SYNC_BUF_POOL and SYNC_BUF_BLOCK.
  ------------------------------------------------------------------------
  r3540 | marko | 2008-12-16 12:13:31 +0200 (Tue, 16 Dec 2008) | 2 lines

  branches/zip: buf_page_init_for_read(): Use common code for error exit.
  ------------------------------------------------------------------------
  r3541 | marko | 2008-12-16 12:14:58 +0200 (Tue, 16 Dec 2008) | 3 lines

  branches/zip: btr_cur_optimistic_delete(): Note that no further pages
  must be latched before calling mtr_commit(mtr) if the function returns TRUE.
  ------------------------------------------------------------------------

when holding a latch on the insert buffer bitmap page.

  ------------------------------------------------------------------------
  r3514 | marko | 2008-12-12 13:39:40 +0200 (Fri, 12 Dec 2008) | 3 lines

  branches/zip: btr_cur_search_to_nth_level(): Remove a duplicate check
  for (rw_latch != RW_NO_LATCH) around debug code.
  ------------------------------------------------------------------------

Other branches/zip revisions in that range were backported from
branches/innodb+ and were thus not merged back to branches/innodb+.

with a single functionally equivalent if.

traversing the index B-tree twice (first in BTR_WATCH_LEAF mode and
then in BTR_DELETE mode), let BTR_DELETE take care of checking that
the record can be purged, and either buffering or performing the
purge.

row_purge_poss_sec(): New function, to check if it is possible to
purge a secondary index record.  Refactored from
row_purge_remove_sec_if_poss_low().

row_purge_remove_sec_if_poss_nonbuffered(): Rename to
row_purge_remove_sec_if_poss_tree().  Remove the parameter mode
(always use BTR_MODIFY_TREE).  Use row_purge_poss_sec().

row_purge_remove_sec_if_poss_low(): Rename to
row_purge_remove_sec_if_poss_leaf().  Remove the parameter mode
(always use BTR_MODIFY_LEAF). Let row_search_index_entry() do all the
hard work.

btr_cur_t: Add purge_node, which will be needed by
btr_cur_search_to_nth_level() for BTR_DELETE.  Replace the flag value
BTR_CUR_ABORTED with BTR_CUR_DELETE_REF and BTR_CUR_DELETE_FAILED.

enum row_search_result, row_search_index_entry(): Replace
ROW_NOT_IN_POOL with ROW_NOT_DELETED_REF and ROW_NOT_DELETED.

btr_cur_search_to_nth_level(): Remove BTR_WATCH_LEAF.  As a side
effect, the adaptive hash index can be used in purge as well.  If
BTR_DELETE cannot be buffered, attempt btr_cur_optimistic_delete().
Either way, check row_purge_poss_sec().  Move the code to set
cursor->ibuf_count to get rid of another if (height == 0)
check. Eliminate the label loop_end.  Do not call ibuf_should_try()
twice.

ibuf_should_try(): Now that the successful calls to this function will
be halved, halve the magic constant that ibuf_flush_count will be
compared to, accordingly.

The changes regarding ibuf_should_try() were merged from branches/zip
r3515.

rb://60 approved by Heikki over IM

the only goto loop_end after the loop_end: label to improve
readability.

to one.  Note that buf_pool_watch_occurred(space, page_no) could start
to hold again and explain why it is not a problem.

BTR_INSERT, BTR_DELETE, and BTR_DELETE_MARK in a single switch,
and assert that at most one is specified at a time.

  ------------------------------------------------------------------------
  r3459 | vasil | 2008-12-09 11:49:03 +0200 (Tue, 09 Dec 2008) | 152 lines

  branches/zip:

  Merge 2929:3458 from branches/5.1 (resolving conflict in c3257,
  note also that r3363 reverted r2933 so there are not changes in
  mysql-test/innodb-autoinc.result with the current merge):

    ------------------------------------------------------------------------
    r2933 | calvin | 2008-10-30 02:57:31 +0200 (Thu, 30 Oct 2008) | 10 lines
    Changed paths:
       M /branches/5.1/mysql-test/innodb-autoinc.result

    branches/5.1: correct the result file innodb-autoinc.result

    Change the followings:
      auto_increment_increment
      auto_increment_offset

    to
      auto-increment-increment
      auto-increment-offset
    ------------------------------------------------------------------------
    r2981 | marko | 2008-11-07 14:54:10 +0200 (Fri, 07 Nov 2008) | 5 lines
    Changed paths:
       M /branches/5.1/row/row0mysql.c

    branches/5.0: row_mysql_store_col_in_innobase_format(): Correct a misleading
    comment. In the UTF-8 encoding, ASCII takes 1 byte per character, while
    the "latin1" character set (normally ISO-8859-1, but in MySQL it actually
    refers to the Windows Code Page 1252 a.k.a. CP1252, WinLatin1)
    takes 1 to 3 bytes (1 to 2 bytes for the ISO-8859-1 subset).
    ------------------------------------------------------------------------
    r3114 | calvin | 2008-11-14 20:31:48 +0200 (Fri, 14 Nov 2008) | 8 lines
    Changed paths:
       M /branches/5.1/handler/ha_innodb.cc

    branches/5.1: fix bug#40386: Not flushing query cache after truncate

    ha_statistics.records can not be 0 unless the table is empty, set to
    1 instead. The original problem of bug#29507 is fixed in the server.

    Additional test was done with the fix of bug#29507 in the server.

    Approved by: Heikki (on IM)
    ------------------------------------------------------------------------
    r3257 | inaam | 2008-11-24 22:06:50 +0200 (Mon, 24 Nov 2008) | 13 lines
    Changed paths:
       M /branches/5.1/handler/ha_innodb.cc
       M /branches/5.1/srv/srv0srv.c
       M /branches/5.1/trx/trx0trx.c

    branches/5.1 bug#40760

    The config param innodb_thread_concurrency is dynamically set and is
    read when a thread enters/exits innodb. If the value is changed between
    the enter and exit time the behaviour becomes erratic.
    The fix is not to use srv_thread_concurrency when exiting, instead use
    the flag trx->declared_to_be_inside_innodb.

    rb://57

    Approved by: Marko
    ------------------------------------------------------------------------
    r3363 | calvin | 2008-12-04 19:00:20 +0200 (Thu, 04 Dec 2008) | 13 lines
    Changed paths:
       M /branches/5.1/mysql-test/innodb-autoinc.result

    branches/5.1: revert the changes in r2933

    The changes in r2933 causes test failure on Linux.
    More investigation is needed for Windows.

    Change the followings in innodb-autoinc.result:
      auto-increment-increment
      auto-increment-offset

    back to:
      auto_increment_increment
      auto_increment_offset
    ------------------------------------------------------------------------
    r3412 | vasil | 2008-12-05 10:46:18 +0200 (Fri, 05 Dec 2008) | 7 lines
    Changed paths:
       M /branches/5.1/trx/trx0undo.c

    branches/5.1:

    Add the traditional 2 spaces after the timestamp so the message does
    not look like:

    070223 13:26:01InnoDB: Warning: canno....
    ------------------------------------------------------------------------
    r3458 | vasil | 2008-12-09 11:21:08 +0200 (Tue, 09 Dec 2008) | 51 lines
    Changed paths:
       M /branches/5.1/mysql-test/innodb_bug34300.test

    branches/5.1:

    Merge a change from MySQL to fix the failing innodb_bug34300 mysql-test:

      main.innodb_bug34300           [ fail ]

      mysqltest: At line 11: query 'SET @@max_allowed_packet=16777216' failed: 1621: SESSION variable 'max_allowed_packet' is read-only. Use SET GLOBAL to assign the value

      Aborting: main.innodb_bug34300 failed in default mode.

    The changeset is this:
      ------------------------------------------------------------
      revno: 2709.1.10
      committer: Staale Smedseng <staale.smedseng@sun.com>
      branch nick: b22891-51-bugteam
      timestamp: Thu 2008-11-20 08:51:48 +0100
      message:
        A fix for Bug#22891 "session level max_allowed_packet can be
        set but is ignored".

        This patch makes @@session.max_allowed_packed and
        @@session.net_buffer_length read-only as suggested in the bug
        report. The user will have to use SET GLOBAL (and reconnect)
        to alter the session values of these variables.

        The error string ER_VARIABLE_IS_READONLY is introduced.

        Tests are modified accordingly.
      modified:
        mysql-test/r/func_compress.result
        mysql-test/r/max_allowed_packet_basic.result
        mysql-test/r/max_allowed_packet_func.result
        mysql-test/r/net_buffer_length_basic.result
        mysql-test/r/packet.result
        mysql-test/r/union.result
        mysql-test/r/variables.result
        mysql-test/t/func_compress.test
        mysql-test/t/innodb_bug34300.test
        mysql-test/t/max_allowed_packet_basic.test
        mysql-test/t/max_allowed_packet_func.test
        mysql-test/t/net_buffer_length_basic.test
        mysql-test/t/packet.test
        mysql-test/t/union.test
        mysql-test/t/variables.test
        sql/set_var.cc
        sql/set_var.h
        sql/share/errmsg.txt
      ------------------------------------------------------------
    ------------------------------------------------------------------------
  ------------------------------------------------------------------------
  r3480 | calvin | 2008-12-10 23:56:00 +0200 (Wed, 10 Dec 2008) | 11 lines

  branches/zip: Merge r3458:3479 from branches/5.1:

    ------------------------------------------------------------------------
    r3479 | calvin | 2008-12-10 15:30:05 -0600 (Wed, 10 Dec 2008) | 4 lines

    branches/5.1: change .result file eol-style to LF

    mysql-test-run only takes LF style even on Windows.
    ------------------------------------------------------------------------
  ------------------------------------------------------------------------
  r3481 | calvin | 2008-12-11 00:01:20 +0200 (Thu, 11 Dec 2008) | 4 lines

  branches/zip: change diff and result files eol-style to LF

  The patch utility takes LF style diff, and mysql-test-run
  also only takes LF style, even on Windows.
  ------------------------------------------------------------------------
  r3482 | calvin | 2008-12-11 00:19:07 +0200 (Thu, 11 Dec 2008) | 9 lines

  branches/zip: fix Mantis issue #138 InnoDB fails if
  innodb_buffer_pool_size >= 4096M on x64 Windows

  All three srv_buf_pool related variables are defined as ulong, which is
  32-bit on 64-bit Windows. They are changed to 64-bit ulint. Also
  system_info.dwPageSize appears to be 32-bit only. Casting to 64-bit
  is required.

  Approved by:    Marko (on IM)
  ------------------------------------------------------------------------
  r3498 | marko | 2008-12-11 17:08:14 +0200 (Thu, 11 Dec 2008) | 6 lines

  branches/zip: ibuf_merge_or_delete_for_page(): Restore the seemingly
  redundant checks for ibuf_fixed_addr_page() || fsp_descr_page() that
  were removed in r3432, and add a comment explaining why.

  Thanks to Michael for reporting this bug.
  ------------------------------------------------------------------------

watch.  This should fix the race condition that seems to have caused
Issue #126: When another thread is buffering an insert for the record
that is being purged, it should invoke buf_pool_watch_notify(), so
that the purge will not be buffered. Otherwise, the purge would be
buffered for the wrong record (one that was inserted after the purge
determined that the record can be removed).

When deletes are not buffered, the latch on the secondary index page
would prevent the insert from occurring.  In delete buffering, the
buf_pool_watch replaces the page latch when the page is not in the
buffer pool.

buf_pool_watch_notify(): Make public.

ibuf_insert(): Invoke buf_pool_watch_notify() when buffering an
insert or a delete-mark operation.

row_purge_remove_sec_if_poss_low_nonbuffered(): Add debug assertions
that records to be purged must have been marked for deletion.

that operations on clustered indexes or on the insert buffer B-tree
must not be buffered.

  ------------------------------------------------------------------------
  r3328 | marko | 2008-12-02 10:16:05 +0200 (Tue, 02 Dec 2008) | 7 lines

  branches/zip: page_cur_insert_rec_zip(): When allocating insert_buf
  from the free list, zero out the DB_TRX_ID and DB_ROLL_PTR of the
  deleted record if the new record would not overwrite these
  fields. This fixes a harmless content mismatch reported by
  page_zip_validate() that was reported as Issue #111.
  rb://55 approved by Sunny Bains.
  ------------------------------------------------------------------------
  r3329 | vasil | 2008-12-02 12:03:17 +0200 (Tue, 02 Dec 2008) | 4 lines

  branches/zip:

  Add entry in the ChangeLog for the release of 1.0.2.
  ------------------------------------------------------------------------
  r3331 | vasil | 2008-12-02 12:09:20 +0200 (Tue, 02 Dec 2008) | 5 lines

  branches/zip:

  Remove an entry from the ChnageLog for a change that was made before
  the release of 1.0.2 but was not included in that release.
  ------------------------------------------------------------------------
  r3333 | vasil | 2008-12-02 12:11:54 +0200 (Tue, 02 Dec 2008) | 4 lines

  branches/zip:

  Now that 1.0.2 is out, the current tree is version 1.0.3.
  ------------------------------------------------------------------------
  r3336 | vasil | 2008-12-02 13:34:36 +0200 (Tue, 02 Dec 2008) | 5 lines

  branches/zip:

  Resurrect a ChangeLog entry that I removed in c3331 with a fake date
  so it does not appear that it has been included in 1.0.2.
  ------------------------------------------------------------------------
  r3361 | vasil | 2008-12-04 18:10:08 +0200 (Thu, 04 Dec 2008) | 9 lines

  branches/zip:

  Fix Mantis issue#103 mysql_addons.c depends on THD internals - please remove it

  Use MySQL's thd_get_thread_id() instead of our own ib_thd_get_thread_id()
  since MySQL implemented the former, see http://bugs.mysql.com/30930.

  Approved by:    Marko (https://svn.innodb.com/rb/r/40, rb://40)
  ------------------------------------------------------------------------
  r3362 | vasil | 2008-12-04 18:49:24 +0200 (Thu, 04 Dec 2008) | 15 lines

  branches/zip:

  Revert our temporary fix for Bug#40360 Binlog related errors with binlog off

  This bug was fixed in MySQL code.

  Our fix went into r2944 and r2947, but this patch does not entirely revert
  those revisions because we want to leave the test case that was introduced
  and also r2944 itself reverted r2935 and r2936. So if we completely revert
  r2944 and r2947 then we would loose the test and will restore r2935 and
  r2936.

  This resolves Issue#108 We should remove ib_bin_log_is_engaged() once mysql
  add an equivallent, see Bug#40360
  ------------------------------------------------------------------------
  r3404 | marko | 2008-12-05 10:02:54 +0200 (Fri, 05 Dec 2008) | 5 lines

  branches/zip: row_undo_mod_del_mark_or_remove_sec_low(): Do not
  complain if the record is not found.  Explain that this is possible
  when a deadlock occurs during an update.  Heikki investigated this
  in Issue #134.
  ------------------------------------------------------------------------
  r3432 | marko | 2008-12-08 14:14:01 +0200 (Mon, 08 Dec 2008) | 4 lines

  branches/zip: ibuf_merge_or_delete_for_page(): Remove the redundant
  checks for ibuf_fixed_addr_page() || fsp_descr_page().  The one at
  the beginning of the function is enough.
  ------------------------------------------------------------------------
  r3456 | marko | 2008-12-09 10:31:26 +0200 (Tue, 09 Dec 2008) | 3 lines

  branches/zip: row_purge_remove_sec_if_poss_low(): Allocate mtr_vers
  from the stack, not with mem_alloc().
  ------------------------------------------------------------------------
  r3459 | vasil | 2008-12-09 11:49:03 +0200 (Tue, 09 Dec 2008) | 152 lines

  branches/zip:

  Merge 2929:3458 from branches/5.1 (resolving conflict in c3257,
  note also that r3363 reverted r2933 so there are not changes in
  mysql-test/innodb-autoinc.result with the current merge):

    ------------------------------------------------------------------------
    r2933 | calvin | 2008-10-30 02:57:31 +0200 (Thu, 30 Oct 2008) | 10 lines
    Changed paths:
       M /branches/5.1/mysql-test/innodb-autoinc.result

    branches/5.1: correct the result file innodb-autoinc.result

    Change the followings:
      auto_increment_increment
      auto_increment_offset

    to
      auto-increment-increment
      auto-increment-offset

    ------------------------------------------------------------------------
    r2981 | marko | 2008-11-07 14:54:10 +0200 (Fri, 07 Nov 2008) | 5 lines
    Changed paths:
       M /branches/5.1/row/row0mysql.c

    branches/5.0: row_mysql_store_col_in_innobase_format(): Correct a misleading
    comment. In the UTF-8 encoding, ASCII takes 1 byte per character, while
    the "latin1" character set (normally ISO-8859-1, but in MySQL it actually
    refers to the Windows Code Page 1252 a.k.a. CP1252, WinLatin1)
    takes 1 to 3 bytes (1 to 2 bytes for the ISO-8859-1 subset).
    ------------------------------------------------------------------------
    r3114 | calvin | 2008-11-14 20:31:48 +0200 (Fri, 14 Nov 2008) | 8 lines
    Changed paths:
       M /branches/5.1/handler/ha_innodb.cc

    branches/5.1: fix bug#40386: Not flushing query cache after truncate

    ha_statistics.records can not be 0 unless the table is empty, set to
    1 instead. The original problem of bug#29507 is fixed in the server.

    Additional test was done with the fix of bug#29507 in the server.

    Approved by: Heikki (on IM)
    ------------------------------------------------------------------------
    r3257 | inaam | 2008-11-24 22:06:50 +0200 (Mon, 24 Nov 2008) | 13 lines
    Changed paths:
       M /branches/5.1/handler/ha_innodb.cc
       M /branches/5.1/srv/srv0srv.c
       M /branches/5.1/trx/trx0trx.c

    branches/5.1 bug#40760

    The config param innodb_thread_concurrency is dynamically set and is
    read when a thread enters/exits innodb. If the value is changed between
    the enter and exit time the behaviour becomes erratic.
    The fix is not to use srv_thread_concurrency when exiting, instead use
    the flag trx->declared_to_be_inside_innodb.

    rb://57

    Approved by: Marko


    ------------------------------------------------------------------------
    r3363 | calvin | 2008-12-04 19:00:20 +0200 (Thu, 04 Dec 2008) | 13 lines
    Changed paths:
       M /branches/5.1/mysql-test/innodb-autoinc.result

    branches/5.1: revert the changes in r2933

    The changes in r2933 causes test failure on Linux.
    More investigation is needed for Windows.

    Change the followings in innodb-autoinc.result:
      auto-increment-increment
      auto-increment-offset

    back to:
      auto_increment_increment
      auto_increment_offset

    ------------------------------------------------------------------------
    r3412 | vasil | 2008-12-05 10:46:18 +0200 (Fri, 05 Dec 2008) | 7 lines
    Changed paths:
       M /branches/5.1/trx/trx0undo.c

    branches/5.1:

    Add the traditional 2 spaces after the timestamp so the message does
    not look like:

    070223 13:26:01InnoDB: Warning: canno....

    ------------------------------------------------------------------------
    r3458 | vasil | 2008-12-09 11:21:08 +0200 (Tue, 09 Dec 2008) | 51 lines
    Changed paths:
       M /branches/5.1/mysql-test/innodb_bug34300.test

    branches/5.1:

    Merge a change from MySQL to fix the failing innodb_bug34300 mysql-test:

      main.innodb_bug34300           [ fail ]

      mysqltest: At line 11: query 'SET @@max_allowed_packet=16777216' failed: 1621: SESSION variable 'max_allowed_packet' is read-only. Use SET GLOBAL to assign the value

      Aborting: main.innodb_bug34300 failed in default mode.

    The changeset is this:

      ------------------------------------------------------------
      revno: 2709.1.10
      committer: Staale Smedseng <staale.smedseng@sun.com>
      branch nick: b22891-51-bugteam
      timestamp: Thu 2008-11-20 08:51:48 +0100
      message:
        A fix for Bug#22891 "session level max_allowed_packet can be
        set but is ignored".

        This patch makes @@session.max_allowed_packed and
        @@session.net_buffer_length read-only as suggested in the bug
        report. The user will have to use SET GLOBAL (and reconnect)
        to alter the session values of these variables.

        The error string ER_VARIABLE_IS_READONLY is introduced.

        Tests are modified accordingly.
      modified:
        mysql-test/r/func_compress.result
        mysql-test/r/max_allowed_packet_basic.result
        mysql-test/r/max_allowed_packet_func.result
        mysql-test/r/net_buffer_length_basic.result
        mysql-test/r/packet.result
        mysql-test/r/union.result
        mysql-test/r/variables.result
        mysql-test/t/func_compress.test
        mysql-test/t/innodb_bug34300.test
        mysql-test/t/max_allowed_packet_basic.test
        mysql-test/t/max_allowed_packet_func.test
        mysql-test/t/net_buffer_length_basic.test
        mysql-test/t/packet.test
        mysql-test/t/union.test
        mysql-test/t/variables.test
        sql/set_var.cc
        sql/set_var.h
        sql/share/errmsg.txt
      ------------------------------------------------------------
    ------------------------------------------------------------------------
  ------------------------------------------------------------------------

determined from flag == BTR_CUR_ABORTED.  This flag value was previously
never tested for.  It was only assigned to, in the only place where
leaf_in_buf_pool would be set FALSE.

btr_cur_search_to_nth_level(): Do not initialize cursor->leaf_in_buf_pool.

btr_pcur_was_buffered(): Remove.  The only caller, row_search_index_entry(),
will switch (cursor->flag) and handle BTR_CUR_ABORTED as well.

row_purge_remove_sec_if_poss_low(): Remove the assertions on leaf_in_buf_pool.

I have added some too strict assertions on Marko's suggestion in r3355.
This patch removes those assertions.

This is to fix issues introduced by recovery enhancements committed
through r2993. The fix is to update flush_rbt whenever flush_list is
manipulated because of buf_page/buf_block relocation.

rb://54

Reviewed by: Marko

buf_pool_watch_occurred() and add explaining comments.

committed in r3350.  The changes were a failed attempt to fix Issue #126.

after buf_page_init().

does not exist, return TRUE without retrying unbuffered operation (which
should notice the same).

Make n_recs signed.  When the records are processed backwards and the last
buffered operations are deletes, this allows *n_recs to become negative,
as it should.  This should finally put Issue #117 to rest.

  ------------------------------------------------------------------------
  r3254 | marko | 2008-11-24 18:01:42 +0200 (Mon, 24 Nov 2008) | 4 lines

  branches/zip: Note that it is legitimate for a secondary index record not
  to be found during purge.  This tries to address Issue #129.  The comments
  were supplied by Heikki.
  ------------------------------------------------------------------------
  r3286 | marko | 2008-11-26 10:00:28 +0200 (Wed, 26 Nov 2008) | 18 lines

  branches/zip: row_merge_drop_temp_indexes(): Replace the WHILE 1 with
  WHILE 1=1 in the SQL procedure, so that the loop will actually be
  entered and temporary indexes be dropped during crash recovery.
  Thanks to Sunny Bains for pointing this out.

  Tested as follows:

  Set a breakpoint in row_merge_rename_indexes.

  CREATE TABLE t(a INT)ENGINE=InnoDB;
  CREATE INDEX a ON t(a);

  -- The breakpoint will be reached.  Kill and restart mysqld.
  SHOW CREATE TABLE t;
  -- This shows the MySQL .frm file, without and index.
  CREATE TABLE innodb_table_monitor(a INT)ENGINE=InnoDB;
  -- This will dump the InnoDB dictionary to the error log, without the index.
  ------------------------------------------------------------------------
  r3302 | vasil | 2008-11-27 23:26:39 +0200 (Thu, 27 Nov 2008) | 12 lines

  branches/zip:

  Fix Mantis issue#130 wdl: does not handle 64-bit address

  - Change the call from strtoul() to strtoull()
  - Change "%16X" to "%16llx" when scanning preferred load address

  rb://58

  Submitted by:   Calvin
  Approved by:    Marko
  ------------------------------------------------------------------------
  r3303 | vasil | 2008-11-27 23:31:18 +0200 (Thu, 27 Nov 2008) | 10 lines

  branches/zip:

  * Remove a change from win-plugin/win-plugin.diff about time_t because
    MySQL has used VS2005 for building 5.1.30.

  * Adjust the line numbers so the patch applies cleanly without fuzz and
    offset messages.

  Submitted by:   Calvin
  ------------------------------------------------------------------------
  r3304 | vasil | 2008-11-27 23:33:48 +0200 (Thu, 27 Nov 2008) | 6 lines

  branches/zip:

  Non-functional change in win-plugin/win-plugin.diff: fix the file name
  before the diff, this is irrelevant but it is nice to be the same as
  the file name on the following line.
  ------------------------------------------------------------------------
  r3312 | marko | 2008-11-28 16:18:43 +0200 (Fri, 28 Nov 2008) | 5 lines

  branches/zip: row_undo_mod_del_mark_or_remove_sec_low(): Complain if
  the secondary index entry cannot be found, and this is not an incomplete
  transaction that is being rolled back in crash recovery.  The source code
  comments were suggested by Heikki.
  ------------------------------------------------------------------------

  ------------------------------------------------------------------------
  r3180 | marko | 2008-11-21 16:36:18 +0200 (Fri, 21 Nov 2008) | 3 lines

  branches/zip: buf_LRU_free_block(): Do not assert on ibuf_count until after
  it has been determined that the block is not being I/O-fixed.
  This corrects the mistake that was made in r3177.
  ------------------------------------------------------------------------

  ------------------------------------------------------------------------
  r3170 | marko | 2008-11-21 10:11:18 +0200 (Fri, 21 Nov 2008) | 4 lines

  branches/zip: dtuple_print(): Dump each field in a separate line,
  so that the dumps can be read and compared more easily.
  This is related to the change to rec_print_old() and rec_print_comp()
  in r3148.
  ------------------------------------------------------------------------
  r3177 | marko | 2008-11-21 16:24:31 +0200 (Fri, 21 Nov 2008) | 3 lines

  branches/zip: buf_LRU_free_block(), buf_page_try_get_func(): Assert that
  there is nothing in the insert buffer for the page.  This is for
  tracking down Issue #128.
  ------------------------------------------------------------------------

space taken by merging the buffered record to the index page.
Assert that the record is in the "multiple tablespaces" format.

ibuf_get_volume_buffered(): Remove the calls to ibuf_rec_get_volume()
and use the return value of ibuf_get_volume_buffered_count() instead.