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Optimize writing RLE runs in parquet column descriptors
Use information about nullability of Blocks to write RLE runs for repetition and definition levels more efficiently in parquet writer BenchmarkParquetFormat#write UNCOMPRESSED Before After LINEITEM 293.0MB/s ± 2869.6kB/s (0.96%) 312.9MB/s ± 2869.2kB/s (0.90%) (N = 10, α = 99.9%) MAP_VARCHAR_DOUBLE 345.4MB/s ± 3275.7kB/s (0.93%) 359.6MB/s ± 5555.4kB/s (1.51%) (N = 10, α = 99.9%) LARGE_MAP_VARCHAR_DOUBLE 402.0MB/s ± 6815.6kB/s (1.66%) 448.6MB/s ± 4808.3kB/s (1.05%) (N = 10, α = 99.9%) MAP_INT_DOUBLE 606.2MB/s ± 2136.1kB/s (0.34%) 676.1MB/s ± 5620.8kB/s (0.81%) (N = 10, α = 99.9%) LARGE_ARRAY_VARCHAR 257.8MB/s ± 9303.4kB/s (3.52%) 275.7MB/s ± 2583.1kB/s (0.91%) (N = 10, α = 99.9%)
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