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Posted to commits@doris.apache.org by GitBox <gi...@apache.org> on 2019/10/15 11:56:32 UTC
[GitHub] [incubator-doris] kangpinghuang opened a new issue #1988: the
row_block in reader can be optimized by using return_columns instead of
seek_columns
kangpinghuang opened a new issue #1988: the row_block in reader can be optimized by using return_columns instead of seek_columns
URL: https://github.com/apache/incubator-doris/issues/1988
Now the schema of row_block in reader and column_data is inited as seek_columns, which is the super set of return_columns. But the extra columns in seek_columns are useless.
So it can be optimized to use return_columns to save memory space.
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