Created by PrafullaT on 2010-08-06 and last modified on 2010-08-06
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1689. By PrafullaT on 2010-08-06

Fixing build error due to re-arrangement of comments.

1688. By PrafullaT on 2010-08-06

Fix for Bug 586051

1. test_if_ref method which checks whether predicate is already evaluated
   due to ref/eq_ref access or not was incorrectly removing a predicate
   that was not implicitly evaluated due to ref access (due to presence of filesort ?)
   It was field=NULL predicate.
   Such predicate should be kept and execution engine will filter out rows
   correctly. Removal of such predicate led to returning of rows which had
   NULL for join/predicate columns.
2. field COMP_OP NULL will always false for all fields except when COMP_OP
   is NULL-safe equality operator. Modified range optimizer to return zero
   row count in such cases.
   Query now does not even run. It returns zero result. As such Fix(1) is not
   required but we might hit that case in some other query (I have not tried it
3. Fixed Field::val_str to print "NULL" for literal NULL instead of "0". It
   added lot of confusion while debugging.

1687. By lbieber <lbieber@orisndriz03> on 2010-08-05

Merge Brian - custom lock encapsulation, and myisam lock removel code

1686. By lbieber <lbieber@orisndriz03> on 2010-08-04

Merge Stewart's branch which now runs all the drizzleslap tests for embedded innodb and Monty's branch which has VJ's branches merged up without the POTFILES.in changes

1685. By Brian Aker <brian@gaz> on 2010-08-04

Merge Stewart.

1684. By Brian Aker <brian@gaz> on 2010-08-03

Removes LOCK_system_variables_hash, one goto, drops internall new for std
new (so possible performance regression), fixes bug where Session was not
unlocked correctly.

1683. By Brian Aker <brian@gaz> on 2010-08-03

Merge Monty/Brian (intltool optional, Tabe Fucntions do case insensitive

1682. By Patrick Crews on 2010-08-03

Rollup patch of Stewart, Monty, and Patrick - various changes

1681. By lbieber <lbieber@orisndriz03> on 2010-08-02

From Monty - Removed our wrappers around unordered_set and unordered_map. Since we're requiring boost at this point, there is really no point

1680. By Brian Aker <brian@gaz> on 2010-08-02

Merge Stwart

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