HangyuanLiu commented on issue #1825: HLL support default value URL: https://github.com/apache/incubator-doris/pull/1825#issuecomment-533002312 @kangkaisen If we add a empty_hll function , so we should write load command like . LOAD LABEL test.uv DATA INFILE ("hdfs://ns1017/**streamA**/*") INTO TABLE `test_uv` (pin, id, u1) set ( uv1=hll_hash(u1), uv2=empty_hash(u2), ); LOAD LABEL test.uv DATA INFILE ("hdfs://ns1017/**streamB**/*") INTO TABLE `test_uv` (pin, id, u1) set ( uv1= empty_hash(u1), uv2= hll_hash(u2), ); uv2 may be another business stream It is unreasonable to let the import data for A business care about the other B business HLL type.
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