Messages by Thread
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Re: [I] ANSI integral SUM overflow reports "integer overflow" without Spark's try_add suggestion [datafusion-comet]
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Re: [I] Native Iceberg scan reads every field of a nested column even when Spark prunes it [datafusion-comet]
via GitHub
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Re: [I] HashJoinExec: declare build-side order for LeftSemi, LeftAnti and LeftMark joins [datafusion]
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[D] [RFC/Discussion] Partition-at-a-Time Streaming Evaluation in WindowAggExec [datafusion]
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Re: [I] Identical nondeterministic expressions share one codegen dispatcher kernel and continue each other's state [datafusion-comet]
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Re: [PR] fix: give each nondeterministic dispatched expression its own kernel [datafusion-comet]
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Re: [I] Share the binding driver between bind_task_bias and bind_task_round_robin [datafusion-ballista]
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Re: [PR] fix: include try_add suggestion in ANSI SUM overflow error [datafusion-comet]
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[I] Report the ordering and partitioning of MATERIALIZED CTE scans by optimizing each CTE body first [datafusion]
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[PR] refactor: share filter and projection metrics wrapper [datafusion-comet]
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Re: [PR] fix: return an empty array from CASE WHEN for an empty batch [datafusion-comet]
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Re: [I] Crate name `datafusion-iceberg` is taken on crates.io; switch back to `iceberg-datafusion` [datafusion-iceberg]
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[PR] fix: align Union inputs after leaf expression pushdown [datafusion]
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Re: [I] Native Parquet writer ignores Spark's Parquet writer properties (block size, page size, dictionary, writer version, statistics) [datafusion-comet]
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Re: [PR] feat: report statistics, ordering and partitioning of materialized CTE scans [datafusion]
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Re: [PR] feat: support Spark-compatible `stack` function [datafusion]
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Re: [I] [EPIC] Subplan Materalization [datafusion]
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[PR] test: combine datafusion-ffi test binaries into ffi_integration [datafusion]
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[PR] test: fold tpcds_planning test into core_integration binary [datafusion]
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Re: [PR] feat: support Set Comparison Subquery [datafusion]
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[PR] fix: validate parquet.coerce_int96_tz when it is set. [datafusion]
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[I] ClickHouse: Add fuzz target comparing the tokenizer with ClickHouse's lexer [datafusion-sqlparser-rs]
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[PR] ClickHouse: Add fuzz target comparing the tokenizer with ClickHouse's lexer [datafusion-sqlparser-rs]
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Re: [PR] feat: decorrelate a window below a correlated equality filter [datafusion]
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Re: [PR] SQLite: Support comma-separated WITHOUT ROWID and STRICT table options [datafusion-sqlparser-rs]
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Re: [PR] fix: bin date_bin month strides outside chrono's range [datafusion]
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Re: [I] Include residual predicates in join estimates [datafusion]
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[PR] bench: non-ASCII cases for left and right [datafusion]
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[PR] test: fold set_comparison test into core_integration binary [datafusion]
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Re: [PR] chore(ci): Register the substrait check job with runs-on, route spark checks through xtask [datafusion]
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[I] Native Parquet writer ignores the datetime rebase modes, so Spark rejects or shifts its pre-1582 dates [datafusion-comet]
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[PR] WIP: Enable parquet `pushdown_filters` and `progressive_io` by default [datafusion]
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Re: [PR] feat(benchmarks): add standalone sort pushdown SQL suite [datafusion]
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[PR] Deny `clippy::manual_assert_eq` [datafusion-sqlparser-rs]
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[PR] fix: WindowTopN resolves the filter column through intermediate proje… [datafusion]
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Re: [PR] [branch-55] fix: preserve compound expression equivalences through projection (#25922) [datafusion]
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[I] enable_window_topn returns wrong results when a projection under the filter drops a column (wrong ranking function chosen) [datafusion]
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[PR] test: re-enable the NullType Parquet read tests that #4199 skipped [datafusion-comet]
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Re: [PR] feat: give PhysicalExtensionCodec the full decode context [datafusion]
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[PR] perf: stop at the first match in RightSemi/RightAnti hash joins [datafusion]
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Re: [I] Comet writer doesn't respect `OVERWRITE` mode [datafusion-comet]
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Re: [I] Spark 4.1 NullType parquet: parquet-rs rejects BOOLEAN + Unknown logical type [datafusion-comet]
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[PR] Revert #25363 due to overlapping optimizations [datafusion]
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Re: [I] Extract a shared metrics-preserving exec wrapper from CometFilterExec and CometProjectionExec [datafusion-comet]
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[I] Native Parquet writer ignores outputTimestampType and writeLegacyFormat, and omits Spark's schema metadata [datafusion-comet]
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[PR] fix: write the Spark version into the footer of natively written Parquet files [datafusion-comet]
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[I] Native Iceberg writes into NOT NULL columns fall back on Spark 3.5+ because Comet has no native AssertNotNull [datafusion-comet]
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[PR] fix: preserve input strictness in from_unixtime [datafusion]
via GitHub
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[PR] docs: list known Parquet and Iceberg correctness issues and add a data source audit log [datafusion-comet]
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Re: [PR] test: compare NaN, infinity sign and row order in tolerance checks [datafusion-comet]
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Re: [I] Remove stale dev/diffs test exclusions whose tracking issues are closed [datafusion-comet]
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Re: [PR] perf: Optimize semi-, anti-join implementation using existence probes [datafusion]
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[I] following sql reports Exception: DataFusion error: type_coercion caused by Execution error: Cannot access field at argument 1: type Utf8 is not Struct, Map, or Null [datafusion-python]
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[I] [EPIC] Nested types in the native Parquet and Iceberg writers: correctness and performance follow-ups [datafusion-comet]
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[I] Iceberg write docs say the float/double null-count difference can't change IS NULL pruning, but it can [datafusion-comet]
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Re: [I] Use Exact Hash-Table Allocation Accounting in `GroupValuesPrimitive` [datafusion]
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Re: [PR] Assert exact errors in negative tests (4/4): deny clippy::assertions_on_result_states [datafusion-sqlparser-rs]
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Re: [PR] fix: reject statistics whose column count does not match the schema [datafusion]
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Re: [I] [EPIC] Reduce complexity and duplication hotspots in Ballista [datafusion-ballista]
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Re: [PR] perf: build spark_size LargeList lengths from i64 offsets [datafusion-comet]
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Re: [PR] perf: opt substr into make_scalar_function dict fast path [datafusion]
via GitHub
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Re: [PR] fix: decorrelate grouping sets that leave out the correlated column when safe [datafusion]
via GitHub
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Re: [PR] refactor: Use cast preimages for cast predicate rewrites [datafusion]
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[I] Migrate workflows away from `pull_request_target` [datafusion]
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Re: [PR] PostgreSQL: Support CREATE FOREIGN DATA WRAPPER [datafusion-sqlparser-rs]
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Re: [PR] Encode MemTable as durable metadata in the FFI example logical codec [datafusion-python]
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Re: [I] Extract a variable-length slot writer from TypedElements::write_elements_slow in columnar_to_row.rs [datafusion-comet]
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Re: [I] Planner panics instead of returning errors for out-of-range Decimal128 list literals and unsupported ANSI binary operators [datafusion-comet]
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[PR] fix: restore floating-point rounding mode after panic [datafusion]
via GitHub
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[PR] build(deps): bump actions/setup-python from 6 to 7 [datafusion-comet]
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[PR] refactor: simplify shuffle support predicates [datafusion-comet]
via GitHub
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[I] SortExec merge lookahead can retain batches without memory reservations [datafusion]
via GitHub
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[PR] Parser: Fix array suffixes after a `>>` that closes two nested types [datafusion-sqlparser-rs]
via GitHub
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[PR] perf: decode Parquet footers for statistics in parallel during planning [datafusion]
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