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DISTINCTCOUNTRAWHLL

This section contains reference documentation for the DISTINCTCOUNTRAWHLL function.

Returns HLL response serialized as string. The serialized HLL can be converted back into an HLL and then aggregated with other HLLs. A common use case may be to merge HLL responses from different Pinot tables, or to allow aggregation after client-side batching.

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Signature

DISTINCTCOUNTRAWHLL(colName, log2m)

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Usage Examples

These examples are based on the .

value
value
select DISTINCTCOUNTRAWHLL(teamID) AS value
from baseballStats 

00000008000000ac00000800000084000210000000000020001020220030042002100420002010020210000300008020040180400001300310001863024004220870800004400421040104610220080000020000040000030000800002108420000110400800000106000060000080020000082000218c0002000000020000010200100000018c0006000400022004a0000088000200800000320820021000000221842000000000025088000220080100009420

000000010000000400000106

Batch Quick Start
select DISTINCTCOUNTRAWHLL(teamID, 1) AS value
from baseballStats