HPCC-9252 Improve the locking contention in roxiemem

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
HPCC-9252 Avoid freeing empty pages in a heap which contains none.

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
HPCC-9252 Reduce the locking window when allocating rows from a heap

Also rationalise the names of the classes so the Heap and Heaplet classes
have similar names.

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
HPCC-9645 Fix problems with adding newAtom to selects from child rows

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
HPCC-9252 Fix issues found with huge allocators

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
HPCC-9707 Ensure scalar and set datasets are always hoisted

Has quite a big effect on a few complex archived examples.

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #4614 from ghalliday/issue9645

HPCC-9645 Fix problems with adding newAtom to selects from child rows

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>
HPCC-9707 Correct indentation/move inline functions to main file

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #4650 from ghalliday/issue9707

HPCC-9707 Ensure scalar and set datasets are always hoisted

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>
Merge pull request #4631 from ghalliday/issue9252

HPCC-9252 Improve the locking contention in roxiemem 

Reviewed-By: Jake Smith <jake.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>