[Enhancement] Support stream load to use hll_from_base64 function when doing column mapping

[gnehil]

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Description

When executing stream load and specifying hll_from_base64 function to map data to HLL type, the following exception message is returned:

HIL column must use hll _hash function, like xxx=hll_hash (xxx) or xxx=hll_empty(), see more in null

Solution

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