Messages by Thread
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Re: [I] Unsafe / incorrect `unwrap_cast` optimizations for narrowing casts (e.g. Decimal) [datafusion]
alamb (via GitHub) via github
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Re: [PR] fix: bound spill file batches by bytes so external sorts over wide rows can merge [datafusion]
adriangb (via GitHub) via github
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Re: [I] unwrap_cast_in_comparison drops the timezone shift when unwrapping CAST(timestamp AS timestamptz) = literal [datafusion]
alamb (via GitHub) via github
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Re: [I] Comparing a timestamp cast to a time zone against a literal returns wrong results [datafusion]
alamb (via GitHub) via github
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[PR] chore: Add tests to prove some TZ related comparison issues are fixed [datafusion]
AdamGS (via GitHub) via github
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[PR] build(deps): bump datasketches from 0.3.0 to 0.6.0 in /native/native-executors [datafusion-comet]
dependabot[bot] (via GitHub) via github
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[PR] build(deps): bump object_store from 0.13.2 to 0.14.2 in /native/native-executors [datafusion-comet]
dependabot[bot] (via GitHub) via github
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Re: [I] Executor JVM abort (NMT footer canary broken) when the in-memory cache is enabled on Spark 3.4 [datafusion-comet]
kazuyukitanimura (via GitHub) via github
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[PR] feat: add cluster settings to the Comet Native Executor binaries [datafusion-comet]
andygrove (via GitHub) via github
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Re: [PR] Add Apache DataFusion Comet 1.2.0 release blog post [datafusion-site]
andygrove (via GitHub) via github
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[I] Add Column Match by header flag to datafusion csv [datafusion]
wyatt-herkamp (via GitHub) via github
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[PR] feat: let a partial aggregate with a double AVG stop aggregating [datafusion-comet]
andygrove (via GitHub) via github
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Re: [I] Reading Parquet with `skip_metadata = true` (the default) strips Arrow extension types from columns [datafusion]
alamb (via GitHub) via github
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[I] Compile the scheduler's event-log writer without the REST API [datafusion-ballista]
andygrove (via GitHub) via github
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[I] Don't serve the unauthenticated REST API, including job cancel, on the scheduler's gRPC port by default [datafusion-ballista]
andygrove (via GitHub) via github
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Re: [I] decorrelate_predicate_subquery removes inner LIMIT inside EXISTS even when a HAVING or WHERE above it depends on the row count [datafusion]
jayzhan211 (via GitHub) via github
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Re: [PR] feat(optimizer): logical rewrite Filter(row_number() = 1) over PARTITION BY → Aggregate(FIRST_VALUE(... ORDER BY)) [datafusion]
alamb (via GitHub) via github
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Re: [I] Filter pushdown strips casts on columns, which drops matching rows or fails valid queries [datafusion-iceberg]
gabotechs (via GitHub) via github
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[I] `ROLLUP`/`CUBE`/`GROUPING SETS`: an element starting with `(` is always read as a sublist (`(SELECT 1)` rejected, `((b))` displayed as `(b)`) [datafusion-sqlparser-rs]
alpaylan (via GitHub) via github
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[PR] fix: enable tracing with the scheduler's rest-api feature [datafusion-ballista]
andygrove (via GitHub) via github
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[I] Spark 3.4: native Iceberg scan with AQE DPP fails with "Column index 1 is out of bound" when the build side needs an inserted exchange [datafusion-comet]
andygrove (via GitHub) via github
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[I] simplify_expressions: A * 0 drops the multiplication result type, so a range predicate over it fails to plan [datafusion]
ayushan003 (via GitHub) via github
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[PR] feat: ballista python cleanup and s3 support for python cluster [datafusion-ballista]
milenkovicm (via GitHub) via github
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[PR] fix: report SinglePartition from a native Iceberg scan that replaces one [datafusion-comet]
comphead (via GitHub) via github
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[PR] test: skip two Spark 3.4 tests that cannot pass there [datafusion-comet]
andygrove (via GitHub) via github
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[PR] fix: error instead of wrong rows when a subquery repeats an equal SubqueryAlias [datafusion]
raghavyadav01 (via GitHub) via github
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Re: [I] Wrong results: decorrelation loses correlated columns when a subquery contains two equal subplans [datafusion]
raghavyadav01 (via GitHub) via github
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Re: [PR] fix: error instead of wrong rows for a LATERAL with a HAVING over an ungrouped aggregate [datafusion]
raghavyadav01 (via GitHub) via github
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Re: [I] Wrong results: LATERAL with SELECT DISTINCT and a non-equality correlated filter returns duplicate rows [datafusion]
CuteChuanChuan (via GitHub) via github
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[PR] bench: measure projected Parquet scans across file boundaries [datafusion]
sunchao (via GitHub) via github
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[I] DuckDB: `f(a == b)` is displayed as `f(a = b)`, which reparses as a named argument [datafusion-sqlparser-rs]
alpaylan (via GitHub) via github
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[I] Slice with a stride and no upper bound (`arr[1: :4]`) is displayed as `arr[1::4]`, which doesn't parse [datafusion-sqlparser-rs]
alpaylan (via GitHub) via github
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[I] `SHOW TABLES ... LIKE 'p' LIMIT n` is displayed with the `LIKE` after `LIMIT` [datafusion-sqlparser-rs]
alpaylan (via GitHub) via github
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[I] Audit the HLL expressions against Spark on datasketches 0.6.0 and revisit the allowIncompatible opt-in [datafusion-comet]
andygrove (via GitHub) via github
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[I] `._name` after `)` or `]` fails with "Unexpected character '_'" [datafusion-sqlparser-rs]
alpaylan (via GitHub) via github
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[I] `x = ANY(SELECT ...) <op> y`: the operator after `)` is parsed into the ANY/ALL operand [datafusion-sqlparser-rs]
alpaylan (via GitHub) via github
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[I] Spark/Databricks: `CACHE TABLE t;` is rejected (only EOF ends the optional query) [datafusion-sqlparser-rs]
alpaylan (via GitHub) via github
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[PR] docs: add custom TopK operator walkthrough to Extending Operators guide [datafusion]
codewarnab (via GitHub) via github
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[I] Comet Native Executors: TPC-H q17 in pipelined mode takes 277 s where Ballista takes 154 s [datafusion-comet]
andygrove (via GitHub) via github
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[I] Comet Native Executors: let a fragment's partial aggregate stop aggregating, including AVG [datafusion-comet]
andygrove (via GitHub) via github
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[I] Comet Native Executors: choose partition counts for pipelined mode [datafusion-comet]
andygrove (via GitHub) via github
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Re: [I] Release DataFusion `56.0.0` (Oct/Nov 2026) [datafusion]
jayshrivastava (via GitHub) via github
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[PR] perf: send a native plan's output schema to the JVM only when it changes [datafusion-comet]
andygrove (via GitHub) via github
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Re: [I] Projecting many fields of one wide struct rebuilds its unbounded range once per projection expression [datafusion]
jayzhan211 (via GitHub) via github
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[PR] feat: let a scheduler embedder add rules to adaptive query planning [datafusion-ballista]
andygrove (via GitHub) via github
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[I] Let a scheduler embedder add rules to adaptive query planning [datafusion-ballista]
andygrove (via GitHub) via github
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Re: [PR] fix: preserve window inputs when replacing TopK sorts [datafusion]
jayzhan211 (via GitHub) via github
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Re: [I] `LimitPushPastWindows` only pushes a limit past the first window in a plan [datafusion]
jayzhan211 (via GitHub) via github
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Re: [PR] Simplify `concat`/`concat_ws` simplification path & support binary in `concat` simplification [datafusion]
jayzhan211 (via GitHub) via github
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[I] Bug triage results: 2026-11-02 [datafusion-comet]
andygrove (via GitHub) via github
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[I] Native approx_top_k functions: audit the frequent-items sketch against Java and implement [datafusion-comet]
andygrove (via GitHub) via github
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[I] Upgrade the datasketches crate to 0.6.0 and drop the HLL decode workarounds [datafusion-comet]
andygrove (via GitHub) via github
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Re: [I] Wrong results: order-preserving `RepartitionExec` keeps orderings of its input that do not hold after the merge [datafusion]
jayzhan211 (via GitHub) via github
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Re: [I] Wrong ORDER BY results after an outer join when the nullable side equates a column to `coalesce`/`CASE` [datafusion]
jayzhan211 (via GitHub) via github
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Re: [PR] PostgreSQL: Add support for DO statement [datafusion-sqlparser-rs]
LucaCappelletti94 (via GitHub) via github
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Re: [I] [EPIC] Variant on DataFusion [datafusion]
raghuvanshraj (via GitHub) via github
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Re: [I] Move code in `user_defined_plan.rs` to the `extending-operators` doc [datafusion]
alamb (via GitHub) via github
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[PR] PostgreSQL: Support NOT NULL and NULL in CREATE DOMAIN [datafusion-sqlparser-rs]
LucaCappelletti94 (via GitHub) via github
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[PR] PostgreSQL: Support multiple names in `DROP DOMAIN` [datafusion-sqlparser-rs]
LucaCappelletti94 (via GitHub) via github
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[PR] PostgreSQL: Support `ALTER DOMAIN` [datafusion-sqlparser-rs]
LucaCappelletti94 (via GitHub) via github
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Re: [PR] [Not ready for review] feat: Support the canonical Parquet Variant extension type [datafusion]
tschwarzinger (via GitHub) via github
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Re: [I] [EPIC] Improve I/O patterns for Parquet scans [datafusion]
Dandandan (via GitHub) via github
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[PR] Bump libduckdb-sys from 1.20000.0 to 1.20000.1 in /fuzz [datafusion-sqlparser-rs]
dependabot[bot] (via GitHub) via github
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[PR] typo: `UnionExtractFun` to `UnionExtractFunc` [datafusion]
AdamGS (via GitHub) via github
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Re: [PR] perf: buffer small scans to reduce query latency [datafusion]
tschwarzinger (via GitHub) via github
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Re: [PR] perf: retain native grouped integer DISTINCT counts with one target partition [datafusion]
QinXi-ai (via GitHub) via github
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[I] Delta contrib: a split classloader is reported as a Comet version mismatch [datafusion-comet]
dwsmith1983 (via GitHub) via github
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[PR] PostgreSQL: Support column names in `CREATE TABLE AS` [datafusion-sqlparser-rs]
LucaCappelletti94 (via GitHub) via github
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Re: [PR] perf(pwmj): build output batches from buffered runs and one streamed … [datafusion]
SubhamSinghal (via GitHub) via github
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[PR] bench: add nullable dictionary hash density benchmarks [datafusion]
lakshaydevoo-arch (via GitHub) via github
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Re: [PR] fix: write each batch's partitions in first-row order for the clustered writer [datafusion-iceberg]
CaptainAni187 (via GitHub) via github
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[I] variant_get on a shredded Variant column reads the whole column; get_field on the same data as a struct reads one leaf [datafusion]
raghuvanshraj (via GitHub) via github
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Re: [PR] feat(scheduler): adopt DataFusion's cost-based join order enumeration [datafusion-ballista]
github-actions[bot] (via GitHub) via github
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[PR] fix: account for limit `skip` in `replace_with_order_preserving_variants` [datafusion]
galaxytemple (via GitHub) via github
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Re: [PR] feat: report the ordering and partitioning of materialized CTE scans [datafusion]
adriangb (via GitHub) via github
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[PR] bench: plan unmarked, MATERIALIZED and NOT MATERIALIZED CTEs [datafusion]
adriangb (via GitHub) via github
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Re: [PR] Prune parquet row groups using fully dictionary-encoded columns [datafusion]
adriangb (via GitHub) via github
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[I] proto-common: decoding a malformed scalar, union type or CSV options panics instead of erroring [datafusion]
geoHeil (via GitHub) via github
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[PR] chore(deps): bump tonic-prost-build from 0.14.7 to 0.14.9 [datafusion-ballista]
dependabot[bot] (via GitHub) via github
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[PR] chore(deps): bump tonic-prost from 0.14.6 to 0.14.9 in /python [datafusion-ballista]
dependabot[bot] (via GitHub) via github