Merge 'mssql_limit_regression' into 'trunk'

Merge 'mssql_limit_regression' into 'trunk'

r8077@Thesaurus (orig r8065):  ribasushi | 2009-12-12 14:24:30 +0100
Branch for yet another mssql ordered prefetch problem
r8079@Thesaurus (orig r8067):  ribasushi | 2009-12-12 14:37:48 +0100
prefetch does not get disassembled properly
r8112@Thesaurus (orig r8100):  ribasushi | 2009-12-13 00:07:00 +0100
Extra test to highlight search_related inefficiency
r8113@Thesaurus (orig r8101):  ribasushi | 2009-12-13 00:17:44 +0100
Real test for search_related and prefetch
r8114@Thesaurus (orig r8102):  ribasushi | 2009-12-13 00:19:57 +0100
Fix corner case regression on search_related on a prefetching rs
r8115@Thesaurus (orig r8103):  ribasushi | 2009-12-13 00:21:05 +0100
Isolate prefetch heads using RNO with a subquery
r8116@Thesaurus (orig r8104):  ribasushi | 2009-12-13 00:23:46 +0100
Changes
r8125@Thesaurus (orig r8113):  ribasushi | 2009-12-15 13:06:26 +0100
Extend mssql limited prefetch tests
r8126@Thesaurus (orig r8114):  ribasushi | 2009-12-15 13:08:56 +0100
Add extra test to prove Alan wrong :)
r8132@Thesaurus (orig r8120):  ribasushi | 2009-12-16 00:38:04 +0100
Do not realias tables in the RNO subqueries
r8133@Thesaurus (orig r8121):  ribasushi | 2009-12-16 00:50:52 +0100
Deliberately disturb alphabetical order
r8134@Thesaurus (orig r8122):  ribasushi | 2009-12-16 10:26:43 +0100
Got a failing test
r8135@Thesaurus (orig r8123):  ribasushi | 2009-12-16 10:49:10 +0100
Cleanup
r8136@Thesaurus (orig r8124):  ribasushi | 2009-12-16 10:51:58 +0100
More moving around
r8137@Thesaurus (orig r8125):  ribasushi | 2009-12-16 11:25:37 +0100
The real mssql problem - it's... bad
r8138@Thesaurus (orig r8126):  ribasushi | 2009-12-16 11:29:20 +0100
Clearer debug
r8139@Thesaurus (orig r8127):  ribasushi | 2009-12-16 11:47:48 +0100
This is horrific but the tests pass... maybe someone will figure out something better
r8140@Thesaurus (orig r8128):  ribasushi | 2009-12-16 16:45:47 +0100
cleanup tests
r8187@Thesaurus (orig r8175):  ribasushi | 2009-12-24 16:22:30 +0100
Ordered subqueries do not work in mssql after all
r8271@Thesaurus (orig r8259):  ribasushi | 2010-01-08 23:58:13 +0100
Cleaner RNO sql
r8279@Thesaurus (orig r8267):  ribasushi | 2010-01-09 10:13:16 +0100
Subqueries no longer experimental
r8280@Thesaurus (orig r8268):  ribasushi | 2010-01-09 11:26:46 +0100
Close the book on mssql ordered subqueries
r8281@Thesaurus (orig r8269):  ribasushi | 2010-01-09 11:36:36 +0100
Changes and typos
r8283@Thesaurus (orig r8271):  ribasushi | 2010-01-09 11:42:21 +0100
Highlight the real problem
r8285@Thesaurus (orig r8273):  ribasushi | 2010-01-10 10:07:10 +0100
Rename subquery to subselect and rewrite POD (per castaway)
r8290@Thesaurus (orig r8278):  ribasushi | 2010-01-10 17:01:24 +0100
rename as per mst