Petascope - rasql servlet returns result of SELECT RAS_COLLECTIONNAMES as a string comma separated

[Bang Pham Huu]

In petascope community, this query to rasql servlert

SELECT cols FROM RAS_COLLECTIONNAMES AS cols

will return as multiparts, e.g:

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test_wcs_overlapping_null_value_explicitly_specify_general_recipe
--End
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test_CCI_V2_monthly_chlor_a
--End
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test_pre_hook_merge_3_bands
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test_wcs_scientfic_null_value_with_trailing_zero
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test_sequence_rule
--End

It should return a string comma separated, e.g:

AvgTemperature,ColorScaledAverage,ChloroColorScaled,...