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Pull requests: apache/spark
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[SPARK-57809][SQL] Support nanosecond-precision timestamps in collect_list/listagg ordering safety
#56946
opened Jul 1, 2026 by
iRakson
Contributor
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[SPARK-57867][CORE] Driver should not reserve off-heap memory in non-local mode
#56945
opened Jul 1, 2026 by
dongjoon-hyun
Member
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[SPARK-57830][SS] Support event-time watermark on nanosecond-precision timestamp columns
#56944
opened Jul 1, 2026 by
yadavay-amzn
Contributor
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[SPARK-57864][PYTHON] Speed up Arrow-optimized Python UDF input conversion for array columns
#56943
opened Jul 1, 2026 by
viirya
Member
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[SPARK-57828][SQL] Add vectorized Parquet reader support for nanosecond-precision timestamps
#56942
opened Jul 1, 2026 by
yadavay-amzn
Contributor
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[SPARK-57839][SQL] Support the nanosecond-precision timestamp types in CBO statistics estimation
#56941
opened Jul 1, 2026 by
yadavay-amzn
Contributor
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[SPARK-57863][PYTHON] Avoid redundant per-element output conversion in Arrow-optimized Python UDF
#56940
opened Jul 1, 2026 by
viirya
Member
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[SPARK-57862][INFRA] Allow create_spark_jira.py to set the issue description
#56938
opened Jul 1, 2026 by
MaxGekk
Member
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[SPARK-57855][SQL] Refactor JDBC value getters into a sealed type for readability
#56936
opened Jul 1, 2026 by
Gamal72
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[SPARK-57810][SQL] Infer nanosecond-precision timestamp types in XML schema inference
#56935
opened Jul 1, 2026 by
yadavay-amzn
Contributor
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[SPARK-57847][SQL] Support the TIME data type in approx_count_distinct_for_intervals
#56934
opened Jul 1, 2026 by
yadavay-amzn
Contributor
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[SPARK-57793][CONNECT] Add PathAwareChannelBuilder for SparkConnect python client
#56933
opened Jul 1, 2026 by
hiboyang
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[SPARK-57846][SQL] Add the try_make_time function
#56932
opened Jul 1, 2026 by
yadavay-amzn
Contributor
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[SPARK-57850][SQL] Return the correct fractional-second scale from EXTRACT(SECOND) on TIME
#56931
opened Jul 1, 2026 by
yadavay-amzn
Contributor
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[SPARK-57858][SQL] Emit BIN BY scaled DISTRIBUTE columns as produced attributes
#56930
opened Jul 1, 2026 by
vranes
Contributor
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[SPARK-21529][SQL] Improve the error message for unsupported Hive union type
#56929
opened Jul 1, 2026 by
AgenticSpark
Contributor
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[SPARK-57851][SQL] Shuffle-free single-task execution for small queries
#56928
opened Jul 1, 2026 by
viirya
Member
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[SPARK-57806][SQL] Fix coercion of NullTyped expressions
#56927
opened Jul 1, 2026 by
eejbyfeldt
Contributor
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[SPARK-57795][INFRA][FOLLOWUP] Refine the merge summary comment in merge_spark_pr.py
#56925
opened Jul 1, 2026 by
zhengruifeng
Contributor
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Draft
[SPARK-57803][CORE] Delete the temp file when closeAndRead fails on the fetch-to-disk path
#56920
opened Jul 1, 2026 by
LuciferYang
Contributor
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[SPARK-57802][SQL] Make XML schema inference incremental, aligning with CSV
#56919
opened Jul 1, 2026 by
cloud-fan
Contributor
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[MINOR] Remove branch-4.x "build_main.yml" icon in README
#56915
opened Jun 30, 2026 by
gaogaotiantian
Contributor
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[SPARK-57791][4.0][INFRA] Backport CI precompile artifact sharing, Coursier cache unification, and zstd in CI images
#56913
opened Jun 30, 2026 by
gaogaotiantian
Contributor
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