- Improve mysql_upgrade and add comments describing it's logic
- Don't look for mysql and mysqlcheck randomly, use dir where mysql_upgrade
was started from
- Don't look for mysql_fix_privilege_tables.sql randomly, compile
in the mysql_fix_privilege_tables.sql file and use that to upgrade
the system tables of MySQL
- Check for any unexpected error returned from runnning the mysql_fix_privilege_tables SQL
- Fix bug#26639, bug#24248 and bug#25405
Replaced hardcoded sover reference with variable.
Removed references to added manpages.
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BUG#27769
Cleaned up some things to make building the packages go a little smoother.
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debian/rules really does need to be called from the source root.
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Fixed two problems with the build caused by adding debian to the source tree
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Left off the debian/ prefix to the Makefile filter.
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BUG#27769 - MySQL should include debian packaging dir
Changed substitution variables to match already existing autoconf vars.
Generate debian/control and debian/defs.mk from autoconf now, since we run that
to make a source package.
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Corrected incorrect variable name
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Renamed template files to have shorter names.
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Moved generation of debian/control to dist-hook so make clean won't eat it.
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A few final changes to make debs build from a source tarball dist.
conditions when executing an equijoin query with WHERE condition
containing a subquery predicate of the form join_attr NOT IN (SELECT ...).
To resolve a problem of the correct evaluation of the expression
attr NOT IN (SELECT ...)
an array of guards is created to make it possible to filter out some
predicates of the EXISTS subquery into which the original subquery
predicate is transformed, in the cases when a takes the NULL value.
If attr is defined as a field that cannot be NULL than such an array
is not needed and is not created.
However if the field a occurred also an an equijoin predicate t2.a=t1.b
and table t1 is accessed before table t2 then it may happen that the
the EXISTS subquery is pushed down to the condition evaluated just after
table t1 has been accessed. In this case any occurrence of t2.a is
substituted for t1.b. When t1.b takes the value of NULL an attempt is
made to turn on the corresponding guard. This action caused a crash as
no guard array had been created.
Now the code of Item_in_subselect::set_cond_guard_var checks that the guard
array has been created before setting a guard variable on. Otherwise the
method does nothing. It cannot results in returning a row that could be
rejected as the condition t2.a=t1.b will be checked later anyway.
Bug #27710 Creating unique index fails during single user mode
- enable indexes to be used always, if in single user, reject will happen before, and if it is kerlel doing stuff, it should always be allowed
also control the list of man pages installed, so that they correspond better to the binaries.
This is the second version of this fix, including review comments.
bug #27715: mysqld --character-sets-dir buffer overflow
bug ##26851: Mysql Client --pager Buffer Overflow
Using strmov() to copy an argument may cause overflow
if the argument's length is bigger than the buffer:
use strmake instead.
Also, we have to encrease the error message buffer size to fit
the longest message.
The Item_outer_ref class based on the Item_direct_ref class was always used
to represent an outer field. But if the outer select is a grouping one and the
outer field isn't under an aggregate function which is aggregated in that
outer select an Item_ref object should be used to represent such a field.
If the outer select in which the outer field is resolved isn't grouping then
the Item_field class should be used to represent such a field.
This logic also should be used for an outer field resolved through its alias
name.
Now the Item_field::fix_outer_field() uses Item_outer_field objects to
represent aliased and non-aliased outer fields for grouping outer selects
only.
Now the fix_inner_refs() function chooses which class to use to access outer
field - the Item_ref or the Item_direct_ref. An object of the chosen class
substitutes the original field in the Item_outer_ref object.
The direct_ref and the found_in_select_list fields were added to the
Item_outer_ref class.
