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https://issues.apache.org/jira/browse/SPARK-57570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Max Gekk updated SPARK-57570:
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Description:
h2. What
Support {{TimeType}} in vectorized-reader column population (partition,
missing, and constant
columns filled into a columnar batch).
h2. Where
{{ColumnVectorUtils.populate}} / {{toBatch}}
(sql/core/.../execution/vectorized/ColumnVectorUtils.java, around line 135)
populates
partition/missing columns in the vectorized read path.
h2. Relationship to SPARK-54203
This area is gated at the row-to-columnar converter level by SPARK-54203
({{RowToColumnConverter.getConverterForType}} in
sql/core/src/main/scala/org/apache/spark/sql/execution/Columnar.scala), which
currently has
no {{TimeType}} case. Once SPARK-54203 lands, the work below becomes possible.
It may also
require TIME support in this component's own layer (Arrow type mapping,
Parquet/ORC logical
types, or Variant encoding).
h2. Acceptance criteria
* Vectorized reads with TIME partition/missing/constant columns populate
correctly.
* Tests added in ColumnarBatchSuite / the vectorized reader suites.
> Support TimeType in vectorized-reader column population
> -------------------------------------------------------
>
> Key: SPARK-57570
> URL: https://issues.apache.org/jira/browse/SPARK-57570
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.1.0
> Reporter: Max Gekk
> Priority: Major
>
> h2. What
> Support {{TimeType}} in vectorized-reader column population (partition,
> missing, and constant
> columns filled into a columnar batch).
> h2. Where
> {{ColumnVectorUtils.populate}} / {{toBatch}}
> (sql/core/.../execution/vectorized/ColumnVectorUtils.java, around line 135)
> populates
> partition/missing columns in the vectorized read path.
> h2. Relationship to SPARK-54203
> This area is gated at the row-to-columnar converter level by SPARK-54203
> ({{RowToColumnConverter.getConverterForType}} in
> sql/core/src/main/scala/org/apache/spark/sql/execution/Columnar.scala), which
> currently has
> no {{TimeType}} case. Once SPARK-54203 lands, the work below becomes
> possible. It may also
> require TIME support in this component's own layer (Arrow type mapping,
> Parquet/ORC logical
> types, or Variant encoding).
> h2. Acceptance criteria
> * Vectorized reads with TIME partition/missing/constant columns populate
> correctly.
> * Tests added in ColumnarBatchSuite / the vectorized reader suites.
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