The problem was overflow in max_length when we tried to des_decrypt()
something which is not the output of des_encrypt()


mysql-test/r/ssl_and_innodb.result:
  New test case.
mysql-test/t/ssl_and_innodb.test:
  New test case.
sql/item_strfunc.h:
  Do not subtract the encrypt overhead (9U) if args[0] has length < 9
  (In unsigned arithmetic, (1-9) becomes a very large number)

      
Also fix bug#59110: Memory leak of QUICK_SELECT_I allocated memory.
Includes Jørgen Lølands review comments.
      
Root cause of these bugs are that test_if_skip_sort_order() decided to
revert the 'skip_sort_order' descision (and use filesort) after the
query plan has been updated to reflect a 'skip' of the sort order.
      
This might happen in 'check_reverse_order:' if we have a 
select->quick which could not be made descending by appending 
a QUICK_SELECT_DESC. ().
      
The original 'save_quick' was then restored after the QEP has been modified,
which caused:
      
  - An incorrect 'precomputed_group_by= TRUE' may have been set, 
    and not reverted, as part of the already modifified QEP (Bug#59308)
  - A 'select->quick' might have been created which we fail to delete (bug#59110).
      
This fix is a refactorication of test_if_skip_sort_order() where all logic
related to modification of QEP (controlled by argument 'bool no_changes'), is
moved to the end of test_if_skip_sort_order(), and done after *all* 'test_if_skip'
checks has been performed - including the 'check_reverse_order:' checks.
      
The refactorication above contains now intentional changes to the logic which 
has been moved to the end of the function.
      
Furthermore, a smaller part of the fix address the handling of the 
select->quick objects which may already exists when we call 
'test_if_skip_sort_order()' (save_quick) -and
new select->quick's created during test_if_skip_sort_order():
      
  - Before new select->quick may be created by calling ::test_quick_select(), we
    set 'select->quick= 0' to avoid that ::test_quick_select() prematurely
    delete the save_quick's. (After this call we may have both a 'save_quick' 
    and 'select->quick')
      
  - All returns from ::test_if_skip_sort_order() where we may have both a
    'save_quick' and a 'select->quick' has been changed to goto's to the
    exit points 'skiped_sort_order:' or 'need_filesort:' where we
    decide which of the QUICK_SELECT's to keep, and delete the other.

Bug#59955 - engines/funcs/ps_string_not_null test needs better cleanup

Correcting clean up command at the start of test.

if the standard input is a directory.

The problem is that mysql monitor try to read from stdin without
checking input source type.

The solution is to stop reading data from standard input if a call
to read(2) failed.

A new test case was added into mysql.test.

client/my_readline.h:
  Data members error and truncated was added to LINE_BUFFER structure.
  These data members used instead of out parameters in functions
  batch_readline, intern_read_line.
client/mysql.cc:
  read_and_execute() was modified: set status.exit_status to 1
  when the error occured while reading the next command line in
  non-interactive mode. Also the value of the truncated attribute
  of structure LINE_BUFF is taken into account only for non-iteractive mode.
client/readline.cc:
  intern_read_line() was modified: cancel reading from input if
  fill_buffer() returns -1, e.g. if call to read failed.
  batch_readline was modified: set the error data member of LINE_BUFFER
  structure to value of my_errno when system error happened during call
  to my_read/my_realloc.
mysql-test/t/mysql.test:
  Test for bug#57450 was added.

After introducing new way of initialization of replication the setting different heartbeat periods for slaves was missed.
Added asserts

Valgrind gets confused by the call stack generated with optimized
builds, with inlined functions.
Reduced the stack context for the suppression in lf_pinbox_get_pins.

handling.

The problem was that parsing of nested regular expression involved
recursive calls. Such recursion didn't take into account the amount of
available stack space, which ended up leading to stack overflow crashes.

mysql-test/t/not_embedded_server.test:
  Added test for bug#58026.
regex/my_regex.h:
  added pointer to function as last argument of my_regex_init() for check
  enough memory in stack.
regex/regcomp.c:
  p_ere() was modified: added call to function for check enough memory
  in stack. Function for check available stack space specified by
  global variable my_regex_enough_mem_in_stack. This variable set to
  NULL for embedded mysqld and to a pointer to function
  check_enough_stack_size otherwise.
regex/reginit.c:
  my_regex_init was modified: pass a pointer to a function for check
  enough memory in stack space. Reset this pointer to NULL in my_regex_end.
sql/mysqld.cc:
  Added function check_enough_stack_size() for check enough memory in stack.
  Passed this function as second argument to my_regex_init. For embedded 
  mysqld passed NULL as second argument.

      
There is one part of the test case that needs to break
and re-establish the circular topology. For this the test
stops the slave threads on a couple of servers and restarts
them with START SLAVE. However, no check is done on the
status of the IO or SQL threads before proceeding with
the subsequent commands.
      
Because rpl_only_running_threads is set to 1 this can lead
to silently not syncing all slave threads as expected, 
ultimately resulting in unexpected results (and consequently
on a failing test run).
      
We fix this by replacing the START SLAVE instructions with
calls to --source include/start_slave.inc, which will wait
for the slave threads to be running (show 'Yes' in 
Slave_IO|SQL_Running fields of SHOW SLAVE STATUS) before 
proceeding. Additionally, we change rpl_sync.inc to make the
IO thread report that it is running when its running status
is any other than 'No'.

Bug #55755 : Date STD variable signness breaks server on FreeBSD and OpenBSD

* Added a check to configure on the size of time_t
* Created a macro to check for a valid time_t that is safe to use with datetime 
  functions and store in TIMESTAMP columns.
* Used the macro consistently instead of the ad-hoc checks introduced by 52315
* Fixed compliation warnings on platforms where the size of time_t is smaller than
  the size of a long (e.g. OpenBSD 4.8 64 amd64).

Bug #52315: utc_date() crashes when system time > year 2037

* Added a correct check for the timestamp range instead of just variable size check to
SET TIMESTAMP.
* Added overflow checking before converting to time_t. 
* Using a correct localized error message in this case instead of the generic error.
* Added a test suite.
* fixed the checks so that they check for unsigned time_t as well. Used the checks 
  consistently across the source code.
* fixed the original test case to expect the new error code.

primary_key_no == -1 || primary_key_no == 0"
with recent changes from mysql-5.5 tree.

primary_key_no == -1 || primary_key_no == 0"
into mysql-5.5 tree.

primary_key_no == 0".

Attempt to create InnoDB table with non-nullable column of
geometry type having an unique key with length 12 on it and
with some other candidate key led to server crash due to
assertion failure in both non-debug and debug builds.

The problem was that such a non-candidate key could have
been sorted as the first key in table/.FRM, before any legit
candidate keys. This resulted in assertion failure in InnoDB
engine which assumes that primary key should either be the
first key in table/.FRM or should not exist at all.

The reason behind such an incorrect sorting was an wrong
value of Create_field::key_length member for geometry field
(which was set to its pack_length == 12) which confused code
in mysql_prepare_create_table(), so it would skip marking
such key as a key with partial segments.

This patch fixes the problem by ensuring that this member
gets the same value of Create_field::key_length member as 
for other blob fields (from which geometry field class is
inherited), and as result unique keys on geometry fields
are correctly marked as having partial segments.


mysql-test/include/gis_keys.inc:
  Added test case for bug #58650 "Failing assertion:
  primary_key_no == -1 || primary_key_no == 0".
mysql-test/r/gis.result:
  Added test case for bug #58650 "Failing assertion:
  primary_key_no == -1 || primary_key_no == 0".
mysql-test/suite/innodb/r/innodb_gis.result:
  Added test case for bug #58650 "Failing assertion:
  primary_key_no == -1 || primary_key_no == 0".
mysql-test/suite/innodb_plugin/r/innodb_gis.result:
  Added test case for bug #58650 "Failing assertion:
  primary_key_no == -1 || primary_key_no == 0".
sql/field.cc:
  Changed Create_field::create_length_to_internal_length() to
  correctly set Create_field::key_length member for geometry
  fields. Similar to the blob types key_length for such fields
  should be the same as length and not field's packed length
  (which is always 12 for geometry).
  
  As result of this change code handling table creation now
  always correctly identifies btree/unique keys on geometry
  fields as partial keys, so such keys can't be erroneously
  treated as candidate keys and sorted in keys array in .FRM
  before legit candidate keys.
  
  This fixes bug #58650 "Failing assertion: primary_key_no ==
  -1 || primary_key_no == 0" in which incorrect candidate key
  sorting led to assertion failure in InnoDB code.

Write an additional warning message to the server log, 
explaining why a sort operation is aborted.

The output in mysqld.err will look something like:
110127 15:07:54 [ERROR] mysqld: Sort aborted: Out of memory (Needed 24 bytes)
110127 15:07:54 [ERROR] mysqld: Out of sort memory, consider increasing server sort buffer size
110127 15:07:54 [ERROR] mysqld: Sort aborted: Out of sort memory, consider increasing server sort buffer size
110127 15:07:54 [ERROR] mysqld: Sort aborted: Incorrect number of arguments for FUNCTION test.f1; expected 0, got 1

If --log-warn=2 is enabled, we output information about host/user/query as well.


include/my_sys.h:
  Update comment for ME_NOREFRESH
mysql-test/include/mtr_warnings.sql:
  Remove global filtering of "Out of sort memory", let each individual test set it instead.
mysql-test/r/filesort_debug.result:
  New test case.
mysql-test/r/order_by.result:
  Ignore "Out of memory" for this test.
mysql-test/t/filesort_debug.test:
  New test case.
mysql-test/t/order_by.test:
  Ignore "Out of memory" for this test.
sql/filesort.cc:
  Output an explanation using the error message from the THD Diagnostics_area.
sql/protocol.cc:
  Do not DBUG_RETURN(function_call_with DBUG_RETURN)
  as it messes up the call stack in the debug output.
sql/share/errmsg-utf8.txt:
  Change error message for "Out of sort memory"
sql/unireg.h:
  Remove unused/confusing ERRMAPP macro.

in combination with IS NULL'
      
As this bug is a duplicate of bug#49322, it also includes test cases
covering this bugreport
      
Qualifying an OUTER JOIN with the condition 'WHERE <column> IS NULL',
where <column> is declared as 'NOT NULL' causes the
'not_exists_optimize' to be enabled by the optimizer.
      
In evaluate_join_record() the 'not_exists_optimize' caused
'NESTED_LOOP_NO_MORE_ROWS' to be returned immediately
when a matching row was found.
      
However, as the 'not_exists_optimize' is derived from
'JOIN_TAB::select_cond', the usual rules for condition guards
also applies for 'not_exist_optimize'. It is therefore incorrect
to check 'not_exists_optimize' without ensuring that all guards
protecting it is 'open'.
      
This fix uses the fact that 'not_exists_optimize' is derived from
a 'is_null' predicate term in 'tab->select_cond'. Furthermore,
'is_null' will evaluate to 'false' for any 'non-null' rows
once all guards protecting the is_null is open.
      
We can use this knowledge as an implicit guard check for the
'not_exists_optimize' by moving 'if (...not_exists_optimize)'
inside the handling of 'select_cond==false'. It will then
not take effect before its guards are open.
      
We also add an assert which requires that a
'not_exists_optimize' always comes together with
a select_cond. (containing 'is_null').

            
Root cause for this bug is that the optimizer try to detect&
optimize the special case:
      
'<field>  BETWEEN c1 AND c1' and handle this as the condition '<field>  = c1'
            
This was implemented inside add_key_field(.. *field, *value[]...)
which assumed field to refer key Field, and value[] to refer a [low...high]
constant pair. value[0] and value[1] was then compared for equality.
            
In a 'normal' BETWEEN condition of the form '<field>  BETWEEN val1 and val2' the
BETWEEN operation is represented with an argementlist containing the
values [<field>, val1, val2] - add_key_field() is then called with
parameters field=<field>, *value=val1.
            
However, if the BETWEEN predicate specified:
            
 1)  '<const1>  BETWEEN<const2>  AND<field>
            
the 'field' and 'value' arguments to add_key_field() had to be swapped.
This was implemented by trying to cheat add_key_field() to handle it like:
            
 2) '<const1>  GE<const2>  AND<const1>  LE<field>'
            
As we didn't really replace the BETWEEN operation with 'ge' and 'le',
add_key_field() still handled it as a 'BETWEEN' and compared the (swapped)
arguments<const1>  and<const2>  for equality. If they was equal, the
condition 1) was incorrectly 'optimized' to:
            
 3) '<field>  EQ <const1>'
            
This fix moves this optimization of '<field>  BETWEEN c1 AND c1' into
add_key_fields() which then calls add_key_equal_fields() to collect 
key equality / comparison for the key fields in the BETWEEN condition.

Created a clear text built in client authentication plugin.
Test case added.
Added a negative test case : a login failure.

Conflicts:
  
  . mysql-test/extra/rpl_tests/rpl_insert_ignore.test
  . mysql-test/suite/rpl/t/disabled.def
  . mysql-test/suite/rpl/t/rpl_insert_ignore.test
  . sql/sql_insert.cc
  . sql/sql_repl.cc

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