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[CALCITE-4226][CALCITE-4227][CALCITE-4228] NPE fixes to Mappings, ImmutableIntList, and FlatLists #2139

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merged 5 commits into from
Sep 5, 2020

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@vlsi vlsi commented Sep 4, 2020

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…message in case NPE is thrown

bijection requires all indices from [0..targets.size()-1) to be mapped
to non-null, and NPE was thrown if that is not the case.

The change adds extra message, so it is easier to see what aas the mapping.
@vlsi vlsi added the LGTM-will-merge-soon Overall PR looks OK. Only minor things left. label Sep 4, 2020
@vlsi vlsi merged commit eb4011b into apache:master Sep 5, 2020
@vlsi vlsi deleted the npe_fixes branch September 5, 2020 17:19
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