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SunStudio
SunStudio compilers of late warn about methods that might hide
methods in base classes due to the use of overloading combined
with overriding. SunStudio also warns about variables defined
in local socpe or method arguments that have the same name as
a member attribute of the class.
This patch renames methods that might hide base class methods,
to make it easier both for humans and compilers to see what is
actually called. It also renames variables in local scope.
sql/field.cc:
Local scope variable or method argument same as class
attribute.
sql/item_cmpfunc.cc:
Local scope variable or method argument same as class
attribute.
sql/item_create.cc:
Renaming base class create() to create_func().
sql/item_create.h:
Renaming base class create() to create_func().
sql/protocol.cc:
Local scope variable or method argument same as class
attribute.
sql/sql_profile.cc:
Local scope variable or method argument same as class
attribute.
sql/sql_select.cc:
Local scope variable or method argument same as class
attribute.
sql/sql_yacc.yy:
Renaming base class create() to create_func().
storage/federated/ha_federated.cc:
Local scope variable or method argument same as class
attribute.
storage/myisammrg/ha_myisammrg.cc:
Local scope variable or method argument same as class
attribute.
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The problem was that UNINSTALL PLUGIN wasn't performing privilege
checks before removing a plugin. Any user (including users without
any kind of privileges) could uninstall any plugin.
The solution is to verify if the user has the DELETE privilege for
the mysql.plugin table before uninstalling a plugin.
mysql-test/r/plugin_not_embedded.result:
Add test case result for Bug#51770.
mysql-test/t/plugin_not_embedded-master.opt:
Add example plugin path.
mysql-test/t/plugin_not_embedded.test:
Add test case for Bug#51770.
Skip embedded as test relies on privileges checks.
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The problem is that Item_direct_view_ref which is inherited
from Item_ident updates orig_table_name and table_name with
the same values. The fix is introduction of new constructor
into Item_ident and up which updates orig_table_name and
table_name separately.
mysql-test/r/metadata.result:
test case
mysql-test/t/metadata.test:
test case
sql/item.cc:
new constructor which updates
orig_table_name and table_name
separately.
sql/item.h:
new constructor which updates
orig_table_name and table_name
separately.
sql/table.cc:
used new constructor
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Applied a path from Jim Winstead : Added a GPL notice.
Added the missing '(c)' and 'v2'.
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work in 5.1.40)
MERGE engine fails to open child table from a different
database if child table/database name contains characters
that are subject for table name to filename encoding
(WL1324).
Another problem is that MERGE engine didn't properly open
child table from the same database if child table name
contains characters like '/', '#'.
The problem was that table name to file name encoding was
applied inconsistently:
* On CREATE: encode table name + database name if child
table is in different database; do not encode table
name if child table is in the same database;
* No decoding on open.
With this fix child table/database names are always
encoded on CREATE and decoded on open. Compatibility
with older tables preserved.
Along with this patch comes fix for SHOW CREATE TABLE,
which used to show child table/database path instead
of child table/database names.
mysql-test/r/merge.result:
A test case for BUG#48265.
mysql-test/std_data/bug48265.frm:
MERGE table from 5.0 to test fix for BUG#48265 compatibility.
mysql-test/t/merge.test:
A test case for BUG#48265.
storage/myisammrg/ha_myisammrg.cc:
On CREATE always write child table/database name encoded
by table name to filename encoding to dot-MRG file.
On open decode child table/database name.
Compatibilty with previous versions preserved.
Fixed ::append_create_info() to return child
table/database name instead of path.
storage/myisammrg/myrg_open.c:
Move if (has_path) branch from myrg_parent_open() to
myisammrg_parent_open_callback. The callback function
needs to know if child table was written along with
database name to dot-MRG file. Needed for compatibility
reasons.
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This is *no* change in contents, the differences are formatting only
and an address update of the FSF. It continues to be Version 2, June 1991.
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Now that Oracle has legally acquired Sun, change the copyright owner
and the vendor.
support-files/mysql.spec.sh:
Introduce a new macro "vendor 2" and set it to Sun,
so that we can have a whole series of vendors if such events continue.
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join view in sql_safe_updates mode.
This bug was unexpectedly fixed along with bug
number 49534. This patch contains only the test
case.
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BUG#51342 - more xid crashing
Restore autocommit variable by supplying explicit value.
mysql-test/r/xa.result:
Restore autocommit variable by supplying explicit value.
mysql-test/t/xa.test:
Restore autocommit variable by supplying explicit value.
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insert...select
Queries following bulk insert into an empty MyISAM table
may break it. This was pure MyISAM problem.
When bulk insert into an empty table is complete, MyISAM
may want to enable indexes via repair by sort. If repair
by sort fails (e.g. insufficient buffer), MyISAM failover
to repair with key cache, requesting repair of data file.
Repair of data file performs data file substitution. This
means that current table instance will point to new data
file. Other cached table instances are still pointing to
an old, deleted data file.
This is fixed by not requesting repair of data file
during enable indexes.
Explicit REPAIR is not affected, since it flushes all
table instances.
mysql-test/r/myisam.result:
A test case for BUG#51307.
mysql-test/t/myisam.test:
A test case for BUG#51307.
storage/myisam/ha_myisam.cc:
When enabling indexes do not attempt to repair data file.
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SET autocommit=1 while XA transaction is active may
cause various side effects, including memory corruption
and server crash.
The problem is that SET autocommit=1 and further queries
attempt to commit local transaction, whereas XA transaction
is still active.
As local and XA transactions are mutually exclusive, this
patch forbids enabling autocommit mode while XA transaction
is active.
mysql-test/r/xa.result:
A test case for BUG#51342.
mysql-test/t/xa.test:
A test case for BUG#51342.
sql/set_var.cc:
Forbid enabling autocommit mode while XA transaction is
active.
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for defaults
mysql_upgrade was passing an non-initialized non-null tmpdir to create_temp_file() if no
--tmpdir was specified. This prevents create_temp_file() from taking the system
temporary file path and as a result mysql_upgrade was trying to open a file in a
directory that it may not have write access to.
Fixed by making sure mysql_upgrade will pass a zero length temp dir string to
create_temp_file() if no --tmpdir is specified.
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MySQL uses two source layouts when building : the bzr
layout and the source package layout.
The previous fix for bug 35250 contained 1 change that is
valid for both modes and a number of changes that are valid
only for the bzr source layout.
The important thing was to fix the source package layout.
And for this the change in configure.in was sufficient.
It's not trivial (and not requested by this bug) to support
VPATH builds from the bzr trees.
This is why the other changes are reverted and the change to
fix the VPATH build for source distributions is left intact.
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The test case added in previous patch missed a RESET MASTER on
test start up. Without it, showing binary log contents can
sometimes show spurious entries from previously executed tests,
ultimately causing test failure - result mismatch.
The test file was added in:
revid:luis.soares@sun.com-20100224190153-k0bpdx9abe88uoo2
This patch also moves the test case into binlog_innodb_row.test
file. This way we avoid having yet another test file,
binlog_row_innodb_truncate.test, whose only purpose is to host
one test case. This had been actually suggested during original
patch review, but somehow the binlog_innodb_row was missed when
searching for a file to host the test case.
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in MTR
The problem was that mysqltest could attempt to execute a
SHOW WARNINGS statement through a connection that was not
properly reaped, thus violating its own rules.
The solution is to skip SHOW WARNINGS if a connection has
not been properly repeaed.
client/mysqltest.cc:
Skip SHOW WARNINGS if connection hasn't been reaped.
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The problem is that not all column names retrieved from a SELECT
statement can be used as view column names due to length and format
restrictions. The server failed to properly check the conformity
of those automatically generated column names before storing the
final view definition on disk.
Since columns retrieved from a SELECT statement can be anything
ranging from functions to constants values of any format and length,
the solution is to rewrite to a pre-defined format any names that
are not acceptable as a view column name.
The name is rewritten to "Name_exp_%u" where %u translates to the
position of the column. To avoid this conversion scheme, define
explict names for the view columns via the column_list clause.
Also, aliases are now only generated for top level statements.
mysql-test/include/view_alias.inc:
Add test case for Bug#40277
mysql-test/r/compare.result:
Bug#40277: SHOW CREATE VIEW returns invalid SQL
mysql-test/r/group_by.result:
Bug#40277: SHOW CREATE VIEW returns invalid SQL
mysql-test/r/ps.result:
Bug#40277: SHOW CREATE VIEW returns invalid SQL
mysql-test/r/subselect.result:
Bug#40277: SHOW CREATE VIEW returns invalid SQL
mysql-test/r/subselect3.result:
Bug#40277: SHOW CREATE VIEW returns invalid SQL
mysql-test/r/type_datetime.result:
Bug#40277: SHOW CREATE VIEW returns invalid SQL
mysql-test/r/union.result:
Bug#40277: SHOW CREATE VIEW returns invalid SQL
mysql-test/r/view.result:
Add test case result for Bug#40277
mysql-test/r/view_alias.result:
Add test case result for Bug#40277
mysql-test/t/view_alias.test:
Add test case for Bug#40277
sql/sql_view.cc:
Check if auto generated column names are conforming. Also, the
make_unique_view_field_name function is not used as it uses the
original name to construct a new one, which does not work if the
name is invalid.
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The problem was that bits of the destructive equality propagation
optimization weren't being undone after the execution of a stored
program. Modifications to the parse tree that are based on transient
properties must be undone to enable the re-execution of stored
programs.
The solution is to cleanup any references to predicates generated
by the equality propagation during the execution of a stored program.
mysql-test/r/trigger.result:
Add test case result for Bug#51650.
mysql-test/t/trigger.test:
Add test case for Bug#51650.
sql/item.cc:
Remove reference to a equality predicate.
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output from HANDLER ... READ .. NEXT ...
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Incremental commit based on previous patch.
Addresses reviewer comments to move reseting of
thd->current_stmt_binlog_row_based to after binlog_query
takes place.
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For temporary tables that are created with an engine that does
not provide the HTON_CAN_RECREATE, the truncate operation is
performed resorting to the optimized handler::ha_delete_all_rows
method. However, this means that the truncate will share
execution path, from mysql_delete, with truncate on regular
tables and other delete operations. As a consequence the truncate
operation, for the temporary table is logged, even if in row mode
because there is no distinction between this and the other delete
operations at binlogging time.
We fix this by checking if: (i) the binlog format, when the
truncate operation was issued, is ROW; (ii) if the operation is a
truncate; and (iii) if the table is a temporary table; before
writing to the binary log. If all three conditions are met, we
skip writing to the binlog. A side effect of this fix is that we
limit the scope of setting and resetting the
current_stmt_binlog_row_based. Now we just set and reset it
inside mysql_delete in the boundaries of the
handler::ha_write_row loop. This way we have access to
thd->current_stmt_binlog_row_based real value inside
mysql_delete.
mysql-test/suite/binlog/r/binlog_row_mix_innodb_myisam.result:
Updated result for spurious truncate table.
mysql-test/suite/binlog/t/binlog_row_innodb_truncate.test:
Test case.
sql/sql_delete.cc:
Added check in mysql_delete before writing the TRUNCATE statement
to the binary log. Additionally, removed the set/reset of
current_stmt_binlog_row_based so that it happens just in the
boundaries of the handler::ha_write_row loop inside mysql_delete.
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+ failing statements
Implicit DROP event for temporary table is not getting
LOG_EVENT_THREAD_SPECIFIC_F flag, because, in the previous
executed statement in the same thread, which might even be a
failed statement, the thread_specific_used flag is set to
FALSE (in mysql_reset_thd_for_next_command) and not set to TRUE
before connection is shutdown. This means that implicit DROP
event will take the FALSE value from thread_specific_used and
will not set LOG_EVENT_THREAD_SPECIFIC_F in the event header. As
a consequence, mysqlbinlog will not print the pseudo_thread_id
from the DROP event, because one of the requirements for the
printout is that this flag is set to TRUE.
We fix this by setting thread_specific_used whenever we are
binlogging a DROP in close_temporary_tables, and resetting it to
its previous value afterward.
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I found three issues during the analysis:
1. Memory leak caused by temp_buf not being freed;
2. Memory leak caused when handling argv;
3. Conditional jump that depended on unitialized values.
Issue #1
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DESCRIPTION: when mysqlbinlog is reading from a remote location
the event temp_buf references the incoming stream (in NET
object), which is not freed by mysqlbinlog explicitly. On the
other hand, when it is reading local binary log, it points to a
temporary buffer that needs to be explicitly freed. For both
cases, the temp_buf was not freed by mysqlbinlog, instead was
set to 0. This clearly disregards the free required in the
second case, thence creating a memory leak.
FIX: we make temp_buf to be conditionally freed depending on
the value of remote_opt. Found out that similar fix is already
in most recent codebases.
Issue #2
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DESCRIPTION: load_defaults is called by parse_args, and it
reads default options from configuration files and put them
BEFORE the arguments that are already in argc and argv. This is
done resorting to MEM_ROOT. However, parse_args calls
handle_options immediately after which changes argv. Later when
freeing the defaults, pointers to MEM_ROOT won't match, causing
the memory not to be freed:
void free_defaults(char **argv)
{
MEM_ROOT ptr
memcpy_fixed((char*) &ptr,(char *) argv - sizeof(ptr), sizeof(ptr));
free_root(&ptr,MYF(0));
}
FIX: we remove load_defaults from parse_args and call it
before. Then we save argv with defaults in defaults_argv BEFORE
calling parse_args (which inside can then call handle_options
at will). Actually, found out that this is in fact kind of a
backport for BUG#38468 into 5.1, so I merged in the test case
as well and added error check for load_defaults call.
Fix based on:
revid:zhenxing.he@sun.com-20091002081840-uv26f0flw4uvo33y
Issue #3
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DESCRIPTION: the structure st_print_event_info constructor
would not initialize the sql_mode member, although it did for
sql_mode_inited (set to false). This would later raise the
warning in valgrind when printing the sql_mode in the event
header, as this print out is protected by a check against
sql_mode_inited and sql_mode variables. Given that sql_mode was
not initialized valgrind would output the warning.
FIX: we add initialization of sql_mode to the
st_print_event_info constructor.
client/mysqlbinlog.cc:
- Conditionally free ev->temp_buf.
- save defaults_argv before handle_options is called.
mysql-test/t/mysqlbinlog.test:
Added test case from BUG#38468.
sql/log_event.cc:
Added initialization of sql_mode for st_print_event_info.
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Spatial indexes were not checking for out-of-record condition in
the handler next command when the previous command didn't found
rows.
Fixed by making the rtree index to check for end of rows condition
before re-using the key from the previous search.
Fixed another crash if the tree has changed since the last search.
Added a test case for the other error.
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Spatial indexes were not checking for out-of-record condition in
the handler next command when the previous command didn't found
rows.
Fixed by making the rtree index to check for end of rows condition
before re-using the key from the previous search.
Fixed another crash if the tree has changed since the last search.
Added a test case for the other error.
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consider clustered primary keys
Choosing a shortest index for the covering index scan,
the optimizer ignored the fact, that the clustered primary
key read involves whole table data.
The find_shortest_key function has been modified to
take into account that fact that a clustered PK has a
longest key of possible covering indices.
mysql-test/r/innodb_mysql.result:
Test case for bug #39653.
mysql-test/t/innodb_mysql.test:
Test case for bug #39653.
sql/sql_select.cc:
Bug #39653: find_shortest_key in sql_select.cc does not
consider clustered primary keys
The find_shortest_key function has been modified to
take into account that fact that a clustered PK has a
longest key of possible covering indices.
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for ORDER BY on a TEXT or VARCHAR field" backported to 5.1.
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