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seq in
binlog
The fix for BUG 43929 introduced a regression issue. In a nutshell, when a
statement that changes a non-transactional table fails, it is written to the
binary log with the error code appended. Unfortunately, after BUG 43929, this
failure was flushing the transactional chace causing mismatch between execution
and logging histories. To fix this issue, we avoid flushing the transactional
cache when a commit or rollback is not issued.
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When during the optimization an item is moved to the upper select
the item's context left unchanged. This caused wrong result in the
PS/SP mode.
The Item_ident::remove_dependence_processor now sets the context
of the select to which the item is moved to.
mysql-test/r/subselect.result:
The test case for the bug#46051 is adjusted.
mysql-test/t/subselect.test:
The test case for the bug#46051 is adjusted.
sql/item.cc:
Bug#46051: Incorrectly market field caused wrong result.
The Item_ident::remove_dependence_processor now sets the context
of the select to which the item is moved to.
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In a subselect all fields from outer selects are marked as dependent on
selects they are belong to. In some cases optimizer substitutes it for an
equivalent expression. For example "a_field IN (SELECT outer_field)" is
substituted with "a_field = outer_field". As we moved the outer_field to the
upper select it's not really outer anymore. But it was left marked as outer.
If exists an index over a_field optimizer choose wrong execution plan and thus
return wrong result.
Now the Item_in_subselect::single_value_transformer function removes dependent
marking from fields when a subselect is optimized away.
mysql-test/r/subselect.result:
Added a test case for the bug#46051.
mysql-test/t/subselect.test:
Added a test case for the bug#46051.
sql/item_subselect.cc:
Bug#46051: Incorrectly market field caused wrong result.
Now the Item_in_subselect::single_value_transformer function removes dependent
marking from fields when a subselect is optimized away.
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Append the patch for resolving the problems, which have been brought by commiting bug#45214.
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Fixed various compilation warnings when compiling on a
64 bit windows.
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Fixed the following problems:
1. cmake 2.6 warning because of a changed default on
how the dependencies to libraries with a specified
path are resolved.
Fixed by requiring cmake 2.6.
2. Removed an obsolete pre-NT4 hack including defining
Windows system defines to alter the behavior of windows.h.
3. Disabled warning C4065 on compiling sql_yacc.cc because
of a know incompatibility in some of the newer bison binaries.
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open merge
table
The MERGE table storage engine does not support the HA_CAN_SQL_HANDLE feature
and any attempt to open the merge table will fail with ER_ILLEGAL_HA.
After an error occurred the tables that was opened must be closed again
or they will be left in an inconsistent state. However, the assumption
made in the code for closing and register handler tables was that only
one table will be opened, and this is not true for MERGE tables which
will cause multiple tables to open.
The next time a SELECT operation was issued on the merge table it
caused the system to freeze.
This patch fixes this issue by making sure that all tables which
are opened also are closed in the event of an error.
mysql-test/r/merge.result:
Added test case for bug 45781
mysql-test/t/merge.test:
Added test case for bug 45781
sql/sql_handler.cc:
* mysql_ha_open() was never ment to open more than one table. If we encounter more tables, we should
close all tables related to the current substatement and raise an exception.
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The "get_master_version_and_clock(...)" function in sql/slave.cc ignores
error and passes directly when queries fail, or queries succeed
but the result retrieved is empty.
The "get_master_version_and_clock(...)" function should try to reconnect master
if queries fail because of transient network problems, and fail otherwise.
The I/O thread should print a warning if the some system variables do not
exist on master (very old master)
mysql-test/extra/rpl_tests/rpl_get_master_version_and_clock.test:
Added test file for bug #45214
mysql-test/suite/rpl/r/rpl_get_master_version_and_clock.result:
Added test result for bug #45214
mysql-test/suite/rpl/t/rpl_get_master_version_and_clock.test:
Added test file for bug #45214
sql/slave.cc:
The 'is_network_error()' function is added for checking if the error is caused by network.
Added a new return value (2) to 'get_master_version_and_clock()' function result set
to indicate transient network errors when queries fail, and the caller should
try to reconnect in this case.
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&thd->protocol_text' failed
Merge Konstantin's patch and add a test case.
tests/mysql_client_test.c:
Add test case for Bug#44495
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&thd->protocol_text'
failed"
Do not assume that SQL prepared statements always run in text protocol.
When invoked from a stored procedure, which is itself invoked
by means of prepared CALL statement, the protocol may be binary.
Juggle with the protocol only when we want to change it
to binary in COM_STMT_EXECUTE, COM_STMT_PREPARE.
This is a backport from 5.4/6.0, where the bug was fixed
as part of WL#4264 "Backup: Stabilize Service Interface"
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match against.
Server crashes when executing prepared statement with duplicating
MATCH() function calls in SELECT and ORDER BY expressions, e.g.:
SELECT MATCH(a) AGAINST('test') FROM t1 ORDER BY MATCH(a) AGAINST('test')
This query gets optimized by the server, so the value returned
by MATCH() from the SELECT list is reused for ORDER BY purposes.
To make this optimization server is comparing items from
SELECT and ORDER BY lists. We were getting server crash because
comparision function for MATCH() item is not intended to be called
at this point of execution.
In 5.0 and 5.1 this problem is workarounded by resetting MATCH()
item to the state as it was during PREPARE.
In 6.0 correct comparision function will be implemented and
duplicating MATCH() items from the ORDER BY list will be
optimized.
mysql-test/r/fulltext.result:
Updated with the test case for Bug#37740
mysql-test/t/fulltext.test:
A test case for Bug#37740.
sql/item_func.h:
True initialization of 'table' happens in ::fix_fields(). As
Item_func_match::eq() may be called before ::fix_fields(), it is
expected that 'table' is initialized to 0 when it is reused.
This is mostly affecting prepared statements, when the same item
doesn't get destroyed, but rather cleaned up and reused.
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"create as select" (innodb table)
Problem: code constructing "CREATE TABLE..." statement
doesn't take into account that current database is not set
in some cases. That may lead to a server crash.
Fix: check if current database is set.
mysql-test/extra/binlog_tests/binlog.test:
Fix for bug#45998: database crashes when running
"create as select" (innodb table)
- test case.
mysql-test/suite/binlog/r/binlog_row_binlog.result:
Fix for bug#45998: database crashes when running
"create as select" (innodb table)
- test result.
sql/sql_show.cc:
Fix for bug#45998: database crashes when running
"create as select" (innodb table)
- added check if there's current database set.
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and --all-in-1 options together. (Bug #31821)
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iteration before exiting. (Bug #42639)
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some result set lines. (Bug #29622)
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mysqlimport. (Bug #28071)
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for them, but it did so silently. (Bug #36558)
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command, which bash does, which could result in a user accidentally disabling
the use of the space key in the mysql command-line client. (Bug #27439)
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when using --vertical or --relative with extended-status. (Bug #40395)
This patch simply increases the buffer size and adds an assert to
check that it is big enough -- a more comprehensive fix would dynamically
allocate the appropriate buffers.
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without the IF EXISTS qualifier even though no temporary table is created
as for all-in-one dumps including views. (Bug #37377)
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