may return a wrong result.
An Item_sum_hybrid object has the was_values flag which indicates whether any
values were added to the sum function. By default it is set to true and reset
to false on any no_rows_in_result() call. This method is called only in
return_zero_rows() function. An ALL/ANY subquery can be optimized by MIN/MAX
optimization. The was_values flag is used to indicate whether the subquery
has returned at least one row. This bug occurs because return_zero_rows() is
called only when we know that the select will return zero rows before
starting any scans but often such information is not known.
In the reported case the return_zero_rows() function is not called and
the was_values flag is not reset to false and yet the subquery return no rows
Item_func_not_all and Item_func_nop_all functions return a wrong
comparison result.
The end_send_group() function now calls no_rows_in_result() for each item
in the fields_list if there is no rows were found for the (sub)query.
mysql-test/t/subselect.test:
Added test case for bug#18503: Queries with a quantified subquery returning empty set may return a wrong result.
mysql-test/r/subselect.result:
Added test case for bug#18503: Queries with a quantified subquery returning empty set may return a wrong result.
sql/sql_select.cc:
Fixed bug#18503: Queries with a quantified subquery returning empty set may return a wrong result.
The end_send_group() function now calls no_rows_in_result() for each item
in the fields_list if there is no matching rows were found.
The problem is that the author used the wrong function to send a warning to the
user about truncation of data. push_warning() takes a constant string and
push_warning_printf() takes a format and variable arguments to fill it.
Since the string we were complaining about contains percent characters, the
printf() code interprets the "%Y" et c. that the user sends. That's wrong, and
often causes a crash, especially if the date mentions seconds, "%s".
A alternate fix would be to use push_warning_printf(..., "%s", warn_buff) .
mysql-test/r/date_formats.result:
Test that an invalid date doesn't crash the server. We should get a warning back
instead of a dead socket.
mysql-test/t/date_formats.test:
Test that an invalid date doesn't crash the server. We should get a warning back
instead of a dead socket.
sql/time.cc:
Don't try to use warn_buf as the start of a varible arguement list to send
to a warning-formatted my_vsnprintf() .
into zippy.(none):/home/cmiller/work/mysql/merge/mysql-4.1
client/sql_string.h:
Auto merged
sql/item_func.h:
Auto merged
sql/sql_string.h:
Auto merged
configure.in:
Null merge.
sql/item_strfunc.cc:
Null merged
into dl145k.mysql.com:/data0/mkindahl/bk/MERGE/mysql-5.0-merge
ndb/include/kernel/GlobalSignalNumbers.h:
Auto merged
ndb/src/kernel/blocks/dbdict/Dbdict.cpp:
Auto merged
ndb/src/kernel/blocks/dbdict/Dbdict.hpp:
Auto merged
ndb/src/kernel/blocks/dbdih/DbdihMain.cpp:
Auto merged
ndb/src/ndbapi/ndberror.c:
Auto merged
into bodhi.local:/opt/local/work/mysql-5.0-runtime-merge-41
sql/opt_range.cc:
Auto merged
support-files/mysql.spec.sh:
Auto merged
mysql-test/Makefile.am:
Manual merge.
the server's binlog file, might be set to a different directory. This adds a new
"vardir" parameter, which takes the name of the directory as a value, so that the
test_bug17667() test can find the binlog.
mysql-test/mysql-test-run.pl:
Add the "vardir" to the options passed to "mysql_test_client", so we know
where to find the binlog file.
tests/mysql_client_test.c:
Receive a new option, "vardir".
Use the vardir option to find the binlog file in test_bug17667() .
The ALL/ANY subqueries are the subject of MIN/MAX optimization. The matter
of this optimization is to embed MIN() or MAX() function into the subquery
in order to get only one row by which we can tell whether the expression
with ALL/ANY subquery is true or false.
But when it is applied to a subquery like 'select a_constant' the reported bug
occurs. As no tables are specified in the subquery the do_select() function
isn't called for the optimized subquery and thus no values have been added
to a MIN()/MAX() function and it returns NULL instead of a_constant.
This leads to a wrong query result.
For the subquery like 'select a_constant' there is no reason to apply
MIN/MAX optimization because the subquery anyway will return at most one row.
Thus the Item_maxmin_subselect class is more appropriate for handling such
subqueries.
The Item_in_subselect::single_value_transformer() function now checks
whether tables are specified for the subquery. If no then this subselect is
handled like a UNION using an Item_maxmin_subselect object.
mysql-test/t/subselect.test:
Added test case for bug#16302: Quantified subquery without any tables gives wrong results
mysql-test/r/subselect.result:
Added test case for bug#16302: Quantified subquery without any tables gives wrong results
sql/item_subselect.cc:
Fixed bug#16302: Quantified subquery without any tables gives wrong results
The Item_in_subselect::single_value_transformer() function now checks
whether tables are specified for the subquery. If no then this subselect is
handled like a UNION using an Item_maxmin_subselect object.
sql/sql_locale.cc:
Fix Windows compilation failure "cannot convert from 'const char [6]'
to 'const BOOL'" and an apparent bug (use of "FALSE" instead of FALSE
for initialization of is_ascii member of MY_LOCALE)
into macbook.gmz:/Users/kgeorge/mysql/work/B14553-5.0-opt
mysql-test/r/odbc.result:
Auto merged
sql/sql_select.cc:
Auto merged
mysql-test/r/rpl_insert_id.result:
merge the test at the end of 4.1 test
mysql-test/t/rpl_insert_id.test:
merge the test at the end of 4.1 test
sql/sql_class.cc:
merged
sql/sql_class.h:
merged
To make MySQL compatible with some ODBC applications, you can find
the AUTO_INCREMENT value for the last inserted row with the following query:
SELECT * FROM tbl_name WHERE auto_col IS NULL.
This is done with a special code that replaces 'auto_col IS NULL' with
'auto_col = LAST_INSERT_ID'.
However this also resets the LAST_INSERT_ID to 0 as it uses it for a flag
so as to ensure that only the first SELECT ... WHERE auto_col IS NULL
after an INSERT has this special behaviour.
In order to avoid resetting the LAST_INSERT_ID a special flag is introduced
in the THD class. This flag is used to restrict the second and subsequent
SELECTs instead of LAST_INSERT_ID.
mysql-test/r/odbc.result:
test suite for the bug
mysql-test/r/rpl_insert_id.result:
test for the fix in replication
mysql-test/t/odbc.test:
test suite for the bug
mysql-test/t/rpl_insert_id.test:
test for the fix in replication
sql/sql_class.cc:
initialize the flag
sql/sql_class.h:
flag's declaration and set code when setting the last_insert_id
sql/sql_select.cc:
the special flag is used instead of last_insert_id
mysql-test/r/myisam.result:
Fix test results.
mysql-test/t/myisam.test:
In 5.0 show create table also outputs data directory.
For the test for Bug#8706 it's MYSQLTEST_VARDIR, and there is no way
to replace it with anything else in test output.
into orca.ndb.mysql.com:/space_old/pekka/ndb/version/my50-1.2167.1.2
ndb/include/kernel/GlobalSignalNumbers.h:
Auto merged
ndb/src/common/debugger/signaldata/SignalNames.cpp:
Auto merged
ndb/src/kernel/blocks/dbdih/DbdihMain.cpp:
Auto merged
ndb/src/kernel/blocks/ndbcntr/NdbcntrMain.cpp:
Auto merged
ndb/test/run-test/daily-basic-tests.txt:
Auto merged
ndb/src/kernel/blocks/dbdict/DictLock.txt:
wait until SL_STARTED before sending DICT_UNLOCK_ORD
ndb/src/kernel/blocks/dbdih/Dbdih.hpp:
wait until SL_STARTED before sending DICT_UNLOCK_ORD
ndb/src/kernel/blocks/dbdih/DbdihMain.cpp:
wait until SL_STARTED before sending DICT_UNLOCK_ORD
ndb/src/kernel/vm/SimulatedBlock.cpp:
wait until SL_STARTED before sending DICT_UNLOCK_ORD
ndb/src/kernel/vm/SimulatedBlock.hpp:
wait until SL_STARTED before sending DICT_UNLOCK_ORD
ndb/test/run-test/daily-basic-tests.txt:
wait until SL_STARTED before sending DICT_UNLOCK_ORD
closing temp tables through end_thread
had a flaw in binlog-off branch of close_temporary_tables where
next table to close was reset via table->next
for (table= thd->temporary_tables; table; table= table->next)
which was wrong since the current table instance got destoyed at
close_temporary(table, 1);
The fix adapts binlog-on branch method to engage the loop's internal 'next' variable which holds table->next prior table's destoying.
sql/sql_base.cc:
no-binlog branch is fixed: scanning across temporary_tables must be careful to save next table since the current is being destroyed inside of close_temporary.
binlog-is-open case is ok.
between pointer to function and pointer to object.
sql/item_func.cc:
Use typedef names instead of hard-coded types for udf init/deinit
functions.
sql/sql_udf.cc:
Use typedef names for udf function types.
into bodhi.local:/opt/local/work/mysql-5.0-runtime-merge-41
myisam/mi_create.c:
Auto merged
mysql-test/r/myisam.result:
Auto merged
mysql-test/t/myisam.test:
Auto merged
sql/item_timefunc.cc:
Auto merged
sql/sql_class.cc:
Auto merged
sql/sql_insert.cc:
Auto merged
sql/sql_parse.cc:
Auto merged
sql/sql_trigger.cc:
Auto merged
support-files/mysql.spec.sh:
Auto merged
mysql-test/r/federated.result:
Manual merge.
mysql-test/t/federated.test:
Manual merge.
