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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2019/12/11 11:30:35 UTC
[GitHub] [incubator-doris] gaodayue commented on issue #2422: Add
copy_object() method for HLL and Bitmap columns when loading
gaodayue commented on issue #2422: Add copy_object() method for HLL and Bitmap columns when loading
URL: https://github.com/apache/incubator-doris/pull/2422#issuecomment-564499908
Since HLL and bitmap can't be key fields, in fact we don't need to copy them at all. The problem can be solved by only deserializing key fields from tuple and copy them to `dst_row` when it's a new key. HLL and bitmap columns only need to be initialized once and no copy are needed.
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