[GitHub] [incubator-doris] wangbo commented on issue #8835: [Bug] dict col convert to predicate column cause be core dump

[GitBox <gi...@apache.org>]

wangbo commented on issue #8835:
URL: https://github.com/apache/incubator-doris/issues/8835#issuecomment-1090195504

   When A ColumnDict needs to be  converted to a normal Column, we need create a ```New Column```.
   The ```New Column``` needs to reserve memory.
   The ```New Column``` 's reserve size needs to keep same with ColumnDict's initial reserve size, instead of current ColumnDict's size.
   Otherwise, subsequent writes to the ```New Column``` will access the unallocated memory area


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