[DeltaLake] Fix so new columns are read as null when schema is evolved for old data files #698
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…d for old data files
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Benchmark
| Benchmark suite | Current: 75ff2d8 | Previous: 22d4209 | Ratio |
|---|---|---|---|
FlowtideDotNet.Benchmarks.Stream.StreamBenchmark.InnerJoin |
456826910 ns (± 14693031.446777755) |
458826533.3333333 ns (± 10640413.19005047) |
1.00 |
FlowtideDotNet.Benchmarks.Stream.StreamBenchmark.LeftJoin |
565571600 ns (± 22385092.491916727) |
564994640 ns (± 28550338.329818636) |
1.00 |
FlowtideDotNet.Benchmarks.Stream.StreamBenchmark.ProjectionAndNormalization |
158654730 ns (± 18510462.592262667) |
169842820 ns (± 7144067.768715523) |
0.93 |
FlowtideDotNet.Benchmarks.Stream.StreamBenchmark.SumAggregation |
175591800 ns (± 11097152.411141839) |
171581250 ns (± 12415362.812660772) |
1.02 |
FlowtideDotNet.Benchmarks.Stream.StreamBenchmark.ListAggWithMapAggregation |
2018521260 ns (± 94208890.26695998) |
1982296640 ns (± 123349811.75190067) |
1.02 |
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This also fixes a warning in the parquet struct writer