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Only delete last char if there's one
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Test pass with where clause
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all tests pass with where predicate correct
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Merge pull request #1109 from john-hill/PLFM-2378-b

Plfm 2378 b
code review changes
extended examples to include where clause
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Merge pull request #1110 from john-hill/PLFM-2378-c

Plfm 2378 c
added order by
parser done
Merge pull request #1111 from john-hill/PLFM-2378-d

added order by
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