mirror of https://github.com/apache/druid.git
d52bc333aa
* Frames: Ensure nulls are read as default values when appropriate. Fixes a bug where LongFieldWriter didn't write a properly transformed zero when writing out a null. This had no meaningful effect in SQL-compatible null handling mode, because the field would get treated as a null anyway. But it does have an effect in default-value mode: it would cause Long.MIN_VALUE to get read out instead of zero. Also adds NullHandling checks to the various frame-based column selectors, allowing reading of nullable frames by servers in default-value mode. |
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