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Changes to ha_innodb.cc are not propagated to plugin, they will come back
via Oracle/Innobase if needed.
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widely used, in replication (delete_allow_opened) and for named
pipe support. We do not support Win9x anymore.
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The problem is that the lexer could inadvertently skip over the
end of a query being parsed if it encountered a malformed multibyte
character. A specially crated query string could cause the lexer
to jump up to six bytes past the end of the query buffer. Another
problem was that the laxer could use unfiltered user input as
a signed array index for the parser maps (having upper and lower
bounds 0 and 256 respectively).
The solution is to ensure that the lexer only skips over well-formed
multibyte characters and that the index value of the parser maps
is always a unsigned value.
mysql-test/r/ctype_recoding.result:
Update test case result: ending backtick is not skipped over anymore.
sql/sql_lex.cc:
Characters being analyzed must be unsigned as they can be
used as indexes for the parser maps. Only skip over if the
string is a valid multi-byte sequence.
tests/mysql_client_test.c:
Add test case for Bug#45010
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Problem 1:
When the 'Using index' optimization is used, the optimizer may still - after
cost-based optimization - decide to use another index in order to avoid using
a temporary table. But when this happens, the flag to the storage engine to
read index only (not table) was still set. Fixed by resetting the flag in the
storage engine and TABLE structure in the above scenario, unless the new index
allows for the same optimization.
Problem 2:
When a 'ref' access method was employed by cost-based optimizer, (when the column
is non-NULLable), it was assumed that it needed no initialization if 'quick' access
methods (since they are based on range scan). When ORDER BY optimization overrides
the decision, however, it expects to have this initialized and hence crashes.
Fixed in 5.1 (was fixed in 6.0 already) by initializing 'quick' even when there's
'ref' access.
mysql-test/r/order_by.result:
Bug#46454: Test result.
mysql-test/t/order_by.test:
Bug#46454: Test case.
sql/sql_select.cc:
Bug#46454:
Problem 1 fixed in make_join_select()
Problem 2 fixed in test_if_skip_sort_order()
sql/table.h:
Bug#46454: Added comment to field.
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quotation marks issues
- Remove offensive quotes.
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column on partitioned table
An assertion 'ASSERT_COULUMN_MARKED_FOR_READ' is failed if the query
is executed with index containing double column on partitioned table.
The problem is that assertion expects all the fields which are read,
to be in the read_set.
In this query only the field 'a' is in the readset as the tables in
the query are joined by the field 'a' and so the assertion fails
expecting other field 'b'.
Since the function cmp() is just comparison of two parameters passed,
the assertion is not required.
Fixed by removing the assertion in the double fields comparision
function and also fixed the index initialization to do ordered
index scan with RW LOCK which ensures all the fields from a key are in
the read_set.
Note: this bug is not reproducible with other datatypes because the
assertion doesn't exist in comparision function for other
datatypes.
mysql-test/r/partition.result:
Testcase for BUG#45816
mysql-test/t/partition.test:
Testcase for BUG#45816
sql/field.cc:
Removed the assertion ASSERT_COLUMN_MARED_FOR_READ in Field_double::cmp()
function
sql/ha_partition.cc:
Fixed index_int() method to make it initialize the read_set properly if
ordered index scan with RW lock is requested.
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nptl_pthread_exit_hack_handler
The server shutdown and start code triggered the valgrind failures
within nptl_pthread_exit_hack_handler on Ubuntu 9.04, x86 (but not amd64)
in rpl_trigger.test file.
For fixing the bug, suppress valgrind failures within nptl_pthread_exit_hack_handler
on Ubuntu 9.04, x86 (but not amd64). Because the server shutdown and start
code has been heavily used in mysql test set.
mysql-test/valgrind.supp:
Add code for suppressing valgrind failures within nptl_pthread_exit_hack_handler on Ubuntu 9.04, x86 (but not amd64).
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were included in the configure tests. (Bug #46310)
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Check for "stack overrun" doesn't work, server crashes
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correctly if the compiler optimizes too clever.
This has happaned on HP-UX 11.23 (IA64) at optimization
level "+O2", causing bug#42213:
Check for "stack overrun" doesn't work, server crashes
Fix it by adding a pragma that prevents this optimization.
As a result, it should be safe to use "+O2" on this platform
(unless there is some other, optimizer-related, bug which
is just currently masked because we use resudec optimization).
config/ac-macros/misc.m4:
Our autoconf function "MYSQL_STACK_DIRECTION" is meant to
determine whether the stack grows towards higher or towards
lower addresses.
It does this by comparing the addresses of a variable
(which is local to a recursive function) on different
nesting levels.
This approach requires that the function is really
implemented as a recursive function, with each nested call
allocating a new stack frame containing the local variable.
If, however, the compiler is optimizing so clever that the
recursive function is implemented by a loop, then this
test will not produce correct results.
This has happened on HP-UX 11.23 (IA64) when HP's compiler
was called with optimization "+O2" (not with "+O1"),
reported as bug#42213.
Rather than starting a race with the compiler and making
the function so complicated that this optimization does
not happen, the idea is to prevent the optimization
by adding a pragma. For HP, this is "#pragma noinline".
If we encounter other compilers which also optimize
too clever, we may add their pragmas here.
It is a debatable issue whether such pragmas should be
guarded by conditional compiling or not, the reviewers
voted to do it.
It seems HP has different compilers, "ANSI C" and "aCC",
on the affected platform "__HP_cc" ("ANSI C") is predefined.
To be on the safe side, the pragma will also take effect
if HP's "aCC" compiler is used, or any other compiler on HP-UX.
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no code change.
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into 5.0-build.
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bug#37808
"make_binary_distribution" does not always generate correct names
Successfully tested on 5.1 sources.
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"make_binary_distribution" does not always generate correct names
Originally, we solved deficiencies of the predefined "autoconf" macros
(at least on OS X 10.5, they do not correctly differ between "x86" and
"x86_64") by providing explicit "--platform" arguments.
With this patch, "make_binary_distribution" evaluates CFLAGS, so it
"just works" because CFLAGS contains information about the target CPU.
This patch is accompanied by a change in our build tools that drops the
setting of "--platform" arguments.
scripts/make_binary_distribution.sh:
This is a fix for bug#37808
"make_binary_distribution" does not always generate correct names
Our platform names are the combination of operating system, architecture (CPU),
and a possible suffix (typically "64bit", if a CPU is available in 32 bit too).
We get these values from some predefined "autoconf" macros.
However, these macros are not perfect, especially on OS X 10.5 they do not
differ correctly between x86 (32 bit) and x86_64 (64 bit).
Originally, we solved that by providing an explicit "--platform" argument,
but it is better to get rid of that and ensure the script "just works".
The best indication we have about the CPU is the "CFLAGS" value provided
with "configure" and used in "make": It describes for which CPU the
binaries are generated, not just which one was running the build.
This approach should work even if we implement cross-compilation.
So this patch evaluates CFLAGS and extracts its "-arch XYZ" part.
When touching the file, I also replaced some tab characters by blanks.
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This is just about a merge changeset, no code changes.
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The base changes were backports from later 5.1 into 5.1.34sp1,
so there are no code changes associated with this merge.
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all code changes are already present.
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The problem is that the C API function mysql_real_connect
only attempts to connect to the first IP address returned
for a hostname. This can be a problem if a hostname maps
to multiple IP address and the server is not bound to the
first one that is returned.
The solution is to augment mysql_real_connect so that it
attempts to connect to all IPv4 addresses that a domain
name maps to. The function goes over the list of address
until a successful connection is established.
No test case is provided as its not possible to test this
automatically with the current testing infrastructure.
sql-common/client.c:
The client will try to connect to each IPv4 address from
the list of addresses that hostname maps to until a successful
connection is established or there are no more address.
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in a conditional commentary at the new SELECT ... INTO
OUTFILE ... CHARACTER SET syntax has been updated to 5.1.38.
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Install procedure does not copy *.inc files located under the mysql-test/t directory.
Therefore, this patch moves the rpl_trigger.inc to the mysql-test/include directory.
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storage/innobase/Makefile.am
storage/innobase/Makefile.am:
Remove the 'single' space character after include/lock0iter.h
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The test case fails sporadically on Windows while trying to overwrite an unused
binary log. The problem stems from the fact that MySQL on Windows does not
immediately unlock/release a file while the process that opened and closed it is
still running. In BUG 38603, this issue was circumvented by stopping the MySQL
process, copying the file and then restarting the MySQL process.
Unfortunately, such facilities are not available in the 5.0. Other approaches
such as stopping the slave and issuing change master do not work because the relay
log file and index are not closed when a slave is stopped. So to fix the problem,
we simply don't run on windows the part of the test that was failing.
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http://lists.mysql.com/commits/53569
sql/ha_ndbcluster_binlog.cc:
Remove extraneous mutex lock which could cause the server to deadlock.
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