* Remove old Innobase copyright lines from C source files
* Add a reference to the GPLv2 license as recommended by the lawyers
at Oracle Legal
[Step 1/28]
------------------------------------------------------------------------
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)
------------------------------------------------------------------------
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.
an index or table. We have to skip this check when loading table definitions
from the data dictionary, because we could otherwise refuse to load old
tables (even uncompressed ones). This addresses Issue #119.
The first "row too large" check was implemented in MySQL 5.0.3
to address MySQL Bug #5682. In the InnoDB Plugin 1.0.2, a more
accurate check was implemented in innodb_strict_mode. We now
make the check unconditional.
dict_create_index_step(): Pass strict=TRUE to dict_index_add_to_cache().
trx_is_strict(), thd_is_strict(): Remove.
innodb-zip.test: Test in innodb_strict_mode=OFF.
innodb_bug36169.test: Ensure that none of the tables can be created.
rb://56 approved by Sunny Bains.
1. We add a vector of locks to trx_t. This array contains the autoinc
locks granted to a transaction. There is one per table.
2. We enforce releasing of these locks in the reverse order from the
one in which they are acquired. The assumption is that since the
AUTOINC locks are statement level locks. Nested statements introduced
by triggers are stacked it should hold.
There was some cleanup done to the vector code too by adding const and
some new functions. Rename dict_table_t::auto_inc_lock to autoinc_lock.
Fix Bug#26316 Triggers create duplicate entries on auto-increment columns
rb://22
Merge revisions 2852:2854 from branches/5.1:
------------------------------------------------------------------------
r2854 | sunny | 2008-10-23 08:30:32 +0300 (Thu, 23 Oct 2008) | 13 lines
Changed paths:
M /branches/5.1/dict/dict0dict.c
M /branches/5.1/dict/dict0mem.c
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/handler/ha_innodb.h
M /branches/5.1/include/dict0dict.h
M /branches/5.1/include/dict0mem.h
M /branches/5.1/row/row0mysql.c
branches/5.1: Backport changes from branches/zip r2725
Simplify the autoinc initialization code. This removes the
non-determinism related to reading the table's autoinc value for the first
time. This change has also reduced the sizeof dict_table_t by sizeof(ibool)
bytes because we don't need the dict_table_t::autoinc_inited field anymore.
Bug#39830 Table autoinc value not updated on first insert.
Bug#35498 Cannot get table test/table1 auto-inccounter value in ::info
Bug#36411 Failed to read auto-increment value from storage engine" in 5.1.24 auto-inc
rb://16
------------------------------------------------------------------------
In ROW_FORMAT=DYNAMIC and ROW_FORMAT=COMPRESSED, column prefix indexes
require that prefixes of externally stored columns be written to the
undo log. This may make the undo log record bigger than the record on
the B-tree page. The maximum size of an undo log record is the page
size. That must be checked for, in dict_index_add_to_cache().
dict_index_add_to_cache(): Skip the undo log size check for REDUNDANT
and COMPACT tables. These tables store prefixes of externally stored
columns locally within the clustered index record. There are no special
considerations for the undo log record size.
innodb-index.test: Ensure that the check exists for ROW_FORMAT=DYNAMIC,
but not for ROW_FORMAT=COMPACT.
This fixes issue #99. rb://28 approved by Sunny.
to the data dictionary records. This should fix Issue #83.
row_drop_table_for_mysql_no_commit(): Rename back to
row_drop_table_for_mysql(). Commit the transaction if the data
dictionary was not locked when the function was called. Otherwise,
neither commit the transaction nor unlock the data dictionary.
row_merge_drop_table(): Let row_drop_table_for_mysql() take care of
locking the data dictionary.
dict_create_or_check_foreign_constraint_tables(),
trx_rollback_active(), row_create_table_for_mysql(),
row_create_index_for_mysql(), row_table_add_foreign_constraints():
Explicitly commit the transaction, because row_drop_table_for_mysql()
would no longer commit it, given that the data dictionary will be
locked during the calls.
Approved by Sunny (over IM). rb://23
non-determinism related to reading the table's autoinc value for the first
time. This change has also reduced the sizeof dict_table_t by sizeof(ibool)
bytes because we don't need the dict_table_t::autoinc_inited field anymore.
This also fixes Bug#39830 Table autoinc value not updated on first insert.
rb://16
------------------------------------------------------------------------
r2702 | sunny | 2008-09-30 11:41:56 +0300 (Tue, 30 Sep 2008) | 13 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
branches/5.1: Since handler::get_auto_increment() doesn't allow us
to return the cause of failure we have to inform MySQL using the
sql_print_warning() function to return the cause for autoinc failure.
Previously we simply printed the error code, this patch prints the
text string representing the following two error codes:
DB_LOCK_WAIT_TIMEOUT
DB_DEADLOCK.
Bug#35498 Cannot get table test/table1 auto-inccounter value in ::info
Approved by Marko.
------------------------------------------------------------------------
r2709 | vasil | 2008-10-01 10:13:13 +0300 (Wed, 01 Oct 2008) | 10 lines
Changed paths:
M /branches/5.1/include/lock0lock.h
M /branches/5.1/lock/lock0lock.c
A /branches/5.1/mysql-test/innodb_bug38231.result
A /branches/5.1/mysql-test/innodb_bug38231.test
M /branches/5.1/row/row0mysql.c
branches/5.1:
Fix Bug#38231 Innodb crash in lock_reset_all_on_table() on TRUNCATE + LOCK / UNLOCK
In TRUNCATE TABLE and discard tablespace: do not remove table-level S
and X locks and do not assert on such locks not being wait locks.
Leave such locks alone.
Approved by: Heikki (rb://14)
------------------------------------------------------------------------
r2710 | vasil | 2008-10-01 14:13:58 +0300 (Wed, 01 Oct 2008) | 6 lines
Changed paths:
M /branches/5.1/include/sync0sync.ic
branches/5.1:
Silence a compilation warning in UNIV_DEBUG.
Approved by: Marko (via IM)
------------------------------------------------------------------------
r2719 | vasil | 2008-10-03 18:17:28 +0300 (Fri, 03 Oct 2008) | 49 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
A /branches/5.1/mysql-test/innodb_bug39438-master.opt
A /branches/5.1/mysql-test/innodb_bug39438.result
A /branches/5.1/mysql-test/innodb_bug39438.test
branches/5.1:
Fix Bug#39438 Testcase for Bug#39436 crashes on 5.1 in fil_space_get_latch
In ha_innobase::info() - do not try to get the free space for a tablespace
which has been discarded with ALTER TABLE ... DISCARD TABLESPACE or if the
.ibd file is missing for some other reason.
ibd_file_missing and tablespace_discarded are manipulated only in
row_discard_tablespace_for_mysql() and in row_import_tablespace_for_mysql()
and the manipulation is protected/surrounded by
row_mysql_lock_data_dictionary()/row_mysql_unlock_data_dictionary() thus we
do the same in ha_innobase::info() when checking the values of those members
to avoid race conditions. I have tested the code-path with UNIV_DEBUG and
UNIV_SYNC_DEBUG.
Looks like it is not possible to avoid mysqld printing warnings in the
mysql-test case and thus this test innodb_bug39438 must be added to the
list of exceptional test cases that are allowed to print warnings. For this,
the following patch must be applied to the mysql source tree:
--- cut ---
=== modified file 'mysql-test/lib/mtr_report.pl'
--- mysql-test/lib/mtr_report.pl 2008-08-12 10:26:23 +0000
+++ mysql-test/lib/mtr_report.pl 2008-10-01 11:57:41 +0000
@@ -412,7 +412,10 @@
# When trying to set lower_case_table_names = 2
# on a case sensitive file system. Bug#37402.
- /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./
+ /lower_case_table_names was set to 2, even though your the file system '.*' is case sensitive. Now setting lower_case_table_names to 0 to avoid future problems./ or
+
+ # this test is expected to print warnings
+ ($testname eq 'main.innodb_bug39438')
)
{
next; # Skip these lines
--- cut ---
The mysql-test is currently somewhat disabled (see inside
innodb_bug39438.test), after the above patch has been applied to the mysql
source tree, the test can be enabled.
rb://20
Reviewed by: Inaam, Calvin
Approved by: Heikki
------------------------------------------------------------------------
r2720 | vasil | 2008-10-03 19:52:39 +0300 (Fri, 03 Oct 2008) | 8 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
branches/5.1:
Print a warning if an attempt is made to get the free space for a table
whose .ibd file is missing or the tablespace has been discarded. This is a
followup to r2719.
Suggested by: Inaam
------------------------------------------------------------------------
r2721 | sunny | 2008-10-04 02:08:23 +0300 (Sat, 04 Oct 2008) | 6 lines
Changed paths:
M /branches/5.1/handler/ha_innodb.cc
branches/5.1: We need to send the messages to the client because
handler::get_auto_increment() doesn't allow a way to return the
specific error for why it failed.
rb://18
------------------------------------------------------------------------
r2722 | sunny | 2008-10-04 02:48:04 +0300 (Sat, 04 Oct 2008) | 18 lines
Changed paths:
M /branches/5.1/dict/dict0mem.c
M /branches/5.1/handler/ha_innodb.cc
M /branches/5.1/include/dict0mem.h
M /branches/5.1/include/row0mysql.h
M /branches/5.1/mysql-test/innodb-autoinc.result
M /branches/5.1/mysql-test/innodb-autoinc.test
M /branches/5.1/row/row0mysql.c
branches/5.1: This bug has always existed but was masked by other errors. The
fix for bug# 38839 triggered this bug. When the offset and increment are > 1
we need to calculate the next value taking into consideration the two
variables. Previously we simply assumed they were 1 particularly offset was
never used. MySQL does its own calculation and that's probably why it seemed
to work in the past. We would return what we thought was the correct next
value and then MySQL would recalculate the actual value from that and return
it to the caller (e.g., handler::write_row()). Several new tests have been
added that try and catch some edge cases. The tests exposed a wrap around
error in MySQL next value calculation which was filed as bug#39828. The tests
will need to be updated once MySQL fix that bug.
One good side effect of this fix is that dict_table_t size has been
reduced by 8 bytes because we have moved the autoinc_increment field to
the row_prebuilt_t structure. See review-board for a detailed discussion.
rb://3
------------------------------------------------------------------------
buf_block_dbg_add_level(block, level): Define as an empty macro when
UNIV_SYNC_DEBUG is not defined. Remove #ifdef UNIV_SYNC_DEBUG around
all invocations.
the maximum record size will never exceed the B-tree page size limit.
For uncompressed tables, there should always be enough space for two
records in an empty B-tree page. For compressed tables, there should
be enough space for storing two node pointer records or one data
record in an empty page in uncompressed format.
dict_build_table_def_step(): Remove the inaccurate check for table row
size.
dict_index_too_big_for_tree(): New function: check if the index
records would be too big for a B-tree page.
dict_index_add_to_cache(): Add the parameter "strict". Invoke
dict_index_too_big_for_tree() if it is set.
trx_is_strict(), thd_is_strict(): New functions, for determining if
innodb_strict_mode is enabled for the current transaction.
dict_create_index_step(): Pass the new parameter strict of
dict_index_add_to_cache() as trx_is_strict(trx). All other callers
pass it as FALSE.
innodb.test: Enable innodb_strict_mode before attempting to create a
table with a too big record size.
innodb-zip.test: Remove the test of inserting random data. Add tests
for checking that the maximum record lengths are enforced at table
creation time.
Add the parameter struct charset_info_st* cs, so that the call
thd_charset(current_thd) can be avoided. The macro current_thd has no
defined value in the Windows plugin.
foreign key constraint, find a truly equivalent index for it.
If none is available, refuse to drop the index. MySQL can drop
an index when creating a "stronger" index.
This was reported as Mantis issue #70 and MySQL Bug #38786.
innodb-index.test: Add a test case.
dict_foreign_find_equiv_index(): New function, to replace the
incorrectly written function dict_table_find_equivalent_index().
dict_table_replace_index_in_foreign_list(): Simplify the implementation.
in fast index creation. In r1399, we wrote undo log records about
creating indexes. The special undo log records were deemed
unnecessary later, but this special handling was not removed then.
row_merge_create_index(): Do not assign index->id.
dict_build_index_def_step(): Unconditionally assign index->id.
dict_table_get_referenced_constraint(), dict_table_get_foreign_constraint():
Simplify the iteration loop.
dict_table_find_equivalent_index(): Correct the function comment.
------------------------------------------------------------------------
r2537 | inaam | 2008-07-15 20:46:03 +0300 (Tue, 15 Jul 2008) | 12 lines
branches/5.1 issue# 4
Fixed a timing hole where a thread dropping an index can free the
in-memory index struct while another thread is still using
that structure to remove entries from adaptive hash index belonging
to one of the pages that belongs to the index being dropped.
The fix is to have a reference counter in the index struct and to
wait for this counter to drop to zero beforing freeing the struct.
Reviewed by: Heikki
------------------------------------------------------------------------
single-table tablespaces. This bug was reported by Sunny as Mantis issue #26.
fil_space_create(), fil_create_new_single_table_tablespace(),
fil_open_single_table_tablespace(), fsp_header_init_fields():
Add ut_a(flags != DICT_TF_COMPACT).
dict_build_table_def_step(), row_import_tablespace_for_mysql(),
row_truncate_table_for_mysql(): Pass correct flags to
fil_create_new_single_table_tablespace() or fil_open_single_table_tablespace().
variable innodb_file_format. Implement file format version stamping of
*.ibd files and SYS_TABLES.TYPE.
This change breaks introduces an incompatible change for for
compressed tables. We can do this, as we have not released yet.
innodb-zip.test: Add tests for stricter KEY_BLOCK_SIZE and ROW_FORMAT
checks.
DICT_TF_COMPRESSED_MASK, DICT_TF_COMPRESSED_SHIFT: Replace with
DICT_TF_ZSSIZE_MASK, DICT_TF_ZSSIZE_SHIFT.
DICT_TF_FORMAT_MASK, DICT_TF_FORMAT_SHIFT, DICT_TF_FORMAT_51,
DICT_TF_FORMAT_ZIP: File format version, stored in table->flags,
in the .ibd file header, and in SYS_TABLES.TYPE.
dict_create_sys_tables_tuple(): Write the table flags to SYS_TABLES.TYPE
if the format is at least DICT_TF_FORMAT_ZIP. For old formats
(DICT_TF_FORMAT_51), write DICT_TABLE_ORDINARY as the table type.
DB_TABLE_ZIP_NO_IBD: Remove the error code. The error handling is done
in ha_innodb.cc; as a failsafe measure, dict_build_table_def_step() will
silently clear the compression and format flags instead of returning this
error.
dict_mem_table_create(): Assert that no extra bits are set in the flags.
dict_sys_tables_get_zip_size(): Rename to dict_sys_tables_get_flags().
Check all flag bits, and return ULINT_UNDEFINED if the combination is
unsupported.
dict_boot(): Document the SYS_TABLES columns N_COLS and TYPE.
dict_table_get_format(), dict_table_set_format(),
dict_table_flags_to_zip_size(): New accessors to table->flags.
dtuple_convert_big_rec(): Introduce the auxiliary variables
local_len, local_prefix_len. Store a 768-byte prefix locally
if the file format is less than DICT_TF_FORMAT_ZIP.
dtuple_convert_back_big_rec(): Restore the columns.
srv_file_format: New variable: innodb_file_format.
fil_create_new_single_table_tablespace(): Replace the parameter zip_size
with table->flags.
fil_open_single_table_tablespace(): Replace the parameter zip_size_in_k
with table->flags. Check the flags.
fil_space_struct, fil_space_create(), fil_op_write_log():
Replace zip_size with flags.
fil_node_open_file(): Note a TODO item for InnoDB Hot Backup.
Check that the tablespace flags match.
fil_space_get_zip_size(): Rename to fil_space_get_flags(). Add a
wrapper for fil_space_get_zip_size().
fsp_header_get_flags(): New function.
fsp_header_init_fields(): Replace zip_size with flags.
FSP_SPACE_FLAGS: New name for the tablespace flags. This field used
to be called FSP_PAGE_ZIP_SIZE, or FSP_LOWEST_NO_WRITE. It has always
been written as 0 in MySQL/InnoDB versions 4.1 to 5.1.
MLOG_ZIP_FILE_CREATE: Rename to MLOG_FILE_CREATE2. Add a 32-bit
parameter for the tablespace flags.
ha_innobase::create(): Check the table attributes ROW_FORMAT and
KEY_BLOCK_SIZE. Issue errors if they are inappropriate, or warnings
if the inherited attributes (in ALTER TABLE) will be ignored.
PAGE_ZIP_MIN_SIZE_SHIFT: New constant: the 2-logarithm of PAGE_ZIP_MIN_SIZE.
(Warning C4090 is incorrectly issued when using Visual C++ .NET 2003,
bug 101661, http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=101661)
dict_table_find_equivalent_index(): Cast away constness in the mem_free()
call. MSVC seems to think that an array of pointers to const data is
const itself.
UT_SORT_FUNCTION_BODY(): Cast away constness in the memcpy() call.
MSVC seems to think that an array of pointers to const data is const itself.
Use innobase_strcasecmp() insteaed of strcasecmp() in i_s.cc and get rid
of strings.h (that file is not present on Windows).
Move the prototype of innobase_strcasecmp() from ha_innodb.cc and
dict0dict.c to ha_prototypes.h.
Approved by: Heikki
symbols. Use it for all definitions of non-static variables and functions.
lexyy.c, make_flex.sh: Declare yylex as UNIV_INTERN, not static. It is
referenced from pars0grm.c.
Actually, according to
nm .libs/ha_innodb.so|grep -w '[ABCE-TVXYZ]'
the following symbols are still global:
* The vtable for class ha_innodb
* pars0grm.c: The function yyparse() and the variables yychar, yylval, yynerrs
The required changes to the Bison-generated file pars0grm.c will be addressed
in a separate commit, which will add a script similar to make_flex.sh.
The class ha_innodb is renamed from class ha_innobase by a #define. Thus,
there will be no clash with the builtin InnoDB. However, there will be some
overhead for invoking virtual methods of class ha_innodb. Ideas for making
the vtable hidden are welcome. -fvisibility=hidden is not available in GCC 3.
innodb-index.test: Add a test with a large number of externally stored
columns. Check that there may not be prefix indexes on too many columns.
dict_index_too_big_for_undo(): New function: Check if the undo log may
overflow.
dict_index_add_to_cache(): Return DB_SUCCESS or DB_TOO_BIG_RECORD.
Postpone the creation and linking of some data structures, so that
when dict_index_too_big_for_undo() holds, it will be easier to clean up.
Check the return status in all callers.
dict_index_copy(): Remove the prototype, because this static function
will be defined before its first use. Add const qualifier to "table".
dict_index_build_internal_clust(), dict_index_build_internal_non_clust():
Add const qualifier to "table". Correct the comment about setting indexed[].
value. Document this change in behaviour, and make all callers invoke
the function right after dtuple_create().
dict_create_sys_fields_tuple(): Add a missing "break" statement to the loop
that checks if there are any column prefixes in the index.
row_get_prebuilt_insert_row(): Do not set the fields to the SQL NULL value,
now that dict_table_copy_types() takes care of it.
a compressed table in the system tablespace.
db0err.h: Introduce the error code DB_TABLE_ZIP_NO_IBD. Replace the
#define directives with an enum, to ease future code merges. These
error codes are never written out to files or displayed to the user.
Thus they need not remain constant.
dict_build_table_def_step(): Return DB_TABLE_ZIP_NO_IBD instead of DB_ERROR.
create_table_def(): Report ER_ILLEGAL_HA_CREATE_OPTION "KEY_BLOCK_SIZE"
when the table creation fails with DB_TABLE_ZIP_NO_IBD.
dict_find_index_by_max_id(): Rename this static function to its
only caller, dict_table_get_index_by_max_id().
dict_table_get_index_by_max_id(): Copy the function comment from
dict_find_index_by_max_id().
trx_t: Remove dict_undo_list and dict_redo_list.
innobase_create_temporary_tablename(): Replace TEMP_TABLE_PREFIX with
a table name suffix "#1" or "#2". In this way, the user can restore
precious data, should anything go wrong. It is possible to reach an
inconsistent state, because the creation, deletion and renaming of
single-table tablespaces are not transactional.
ut_print_namel(), fil_make_ibd_name(), innobase_rename_table(): Remove
the special treatment of TEMP_TABLE_PREFIX.
Introduce TEMP_INDEX_PREFIX == 0xff for temporary indexes. This byte
cannot occur in index names since MySQL 4.1. However, it might have
been possible to use this byte in MySQL 4.0.
recv_recovery_from_checkpoint_finish(): Call the new function
row_merge_drop_temp_indexes(), to drop all indexes whose name starts
with the byte 0xff.
row_merge_rename_indexes(): Renamed from row_merge_rename_index().
Remove the parameter "index".
row_drop_table_for_mysql(): Unconditionally call trx_commit_for_mysql().
row_drop_table_for_mysql_no_commit(): Correct the function commit,
based on the corrected comment of row_drop_table_for_mysql(). Rely on
table->to_be_dropped instead of TEMP_TABLE_PREFIX.
ha_innobase::add_index(): Simplify the control flow.
#ifdef ROW_MERGE_IS_INDEX_USABLE, to avoid growing the memory
footprint until MySQL implements and calls the virtual method
handler::is_index_available() or something equivalent.
created in fast index creation.
dict_load_indexes(): Always complain if the first index is not clustered.
lock_table_enqueue_waiting(): Always complain about lock waits in
a dictionary operation.
row_merge_rename_tables(): Add an assertion that dict_sys->mutex is
being held.
row_undo_mod_del_unmark_sec_and_undo_update(): Make the test about
temporary indexes more readable.
row_create_table_for_mysql(): Do not retry creating a temporary table
in fast index creation. Orphaned temporary tables will have to be dropped
in crash recovery.
