Petascope - rasql servlet returns result of SELECT RAS_COLLECTIONNAMES as a string new line 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:

Content-type: text/plain

test_wcs_overlapping_null_value_explicitly_specify_general_recipe
--End
Content-type: text/plain

test_CCI_V2_monthly_chlor_a
--End
Content-type: text/plain

test_pre_hook_merge_3_bands
--End
Content-type: text/plain

test_wcs_scientfic_null_value_with_trailing_zero
--End
Content-type: text/plain

test_sequence_rule
--End

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

AvgTemperature
ColorScaledAverage
ChloroColorScaled,...