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Pull requests: apache/datafusion-comet

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Pull requests list

fix: decode invalid UTF-8 at the JVM to native FFI import boundary
#4945 opened Jul 15, 2026 by andygrove Member • Draft
perf: vectorize float/decimal to narrow-integer casts
#4941 opened Jul 15, 2026 by andygrove Member Loading…
3
perf: vectorize floating-point-to-decimal cast
#4940 opened Jul 15, 2026 by andygrove Member Loading…
4
perf: vectorize integer-to-decimal cast
#4939 opened Jul 15, 2026 by andygrove Member Loading…
4
perf: skip the null-masking pass in DecimalRescaleCheckOverflow when nothing overflows
#4938 opened Jul 15, 2026 by andygrove Member Loading…
4
perf: optimize CheckOverflow with a shared no-overflow fast path (ANSI and non-ANSI)
#4937 opened Jul 15, 2026 by andygrove Member Loading…
10
perf: optimize spark_array_compact (no-op fast path for null-free arrays)
#4934 opened Jul 15, 2026 by andygrove Member Loading…
3
perf: reuse quantile summary buffers during merge
#4932 opened Jul 15, 2026 by peterxcli Member Loading…
1
feat: support gzip compression in native Parquet writes
#4930 opened Jul 14, 2026 by andygrove Member Loading… 1.0.0
1
6
perf: optimize struct_to_json (10% faster)
#4927 opened Jul 14, 2026 by andygrove Member Loading…
5
perf: optimize spark_ceil (3x faster)
#4926 opened Jul 14, 2026 by andygrove Member Loading…
4
perf: optimize to_csv_inner in datafusion-comet-spark-expr
#4925 opened Jul 14, 2026 by andygrove Member • Draft
perf: optimize cast_decimal128_to_utf8 in datafusion-comet-spark-expr
#4924 opened Jul 14, 2026 by andygrove Member Loading…
3
perf: optimize spark_regexp_extract_all in datafusion-comet-spark-expr
#4923 opened Jul 14, 2026 by andygrove Member • Draft
perf: optimize arrays_zip_inner in datafusion-comet-spark-expr
#4922 opened Jul 14, 2026 by andygrove Member • Draft
perf: optimize might_contain_longs in datafusion-comet-spark-expr
#4921 opened Jul 14, 2026 by andygrove Member • Draft
perf: optimize spark_cast_float64_to_utf8 (~40% faster)
#4918 opened Jul 14, 2026 by andygrove Member Loading…
2
perf: optimize date_parser / cast string to date (up to 2x faster)
#4917 opened Jul 14, 2026 by andygrove Member Loading…
4
perf: optimize parse_string_to_decimal (30-40% faster)
#4916 opened Jul 14, 2026 by andygrove Member Loading…
4
perf: optimize date_trunc (>2x faster)
#4915 opened Jul 14, 2026 by andygrove Member Loading…
3
perf: optimize spark_cast_utf8_to_boolean (>2x faster)
#4914 opened Jul 14, 2026 by andygrove Member Loading…
3
perf: optimize cast_binary_to_string binary-format styles (up to 27x faster)
#4912 opened Jul 13, 2026 by andygrove Member Loading…
12
perf: optimize spark_floor (up to 4x faster)
#4911 opened Jul 13, 2026 by andygrove Member Loading…
1
docs: expand tuning guide with performance and memory configs
#4908 opened Jul 13, 2026 by andygrove Member Loading…
2 tasks
perf: optimize spark_get_json_object (4x faster)
#4907 opened Jul 13, 2026 by andygrove Member Loading…
7
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