Pull Request Overview

Opened on September 18, 2026
Status Open
Commit count 4 with first commit September 18, 2026

Total Delta

257 Total Diff Delta

Open Days

Open 0 weekdays

Test Delta

95 Diff Delta in Test Files

Breakdown by Phase

How long has this pull request spent in each phase of its lifecycle?

Fraction of total time	Business days	Phase
	0.0 days	Authoring 2 commits before pull request opened for review
	0.2 days	Awaiting first review
	0.5 days	Revising work with 2 commits in response to 1 review that left 8 comments

Total time for pull request still awaiting merge: 0.7 business days

[ESQL] null-fill deferred Parquet extract

SORT|LIMIT late materialization threw when a deferred column was unsupported or missing from this file. Eager scan already constant-null-fills those slots; the throw made TopN fail after the same query without SORT succeeded.

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Resolved Comment Threads

bpintea reviewed and approved this work on September 18, 2026

x-pack/plugin/esql-datasource-parquet/src/main/java/org/elasticsearch/xpack/esql/datasource/parquet/ParquetFormatReader.java

Outdated

     * applying the same primitive-type mapping that the iterator uses (see

     * {@link #convertParquetTypeToEsql}). Returns {@code null} when the column is absent or maps

     * to {@link DataType#UNSUPPORTED} / {@link DataType#NULL}. 
A
 
{@code
 
null}
 
result is not a

     * caller error: {@link ParquetColumnExtractor} emits a constant-null block for that column

     * rather than throwing. The returned descriptor carries {@code maxRepetitionLevel} so callers

x-pack/plugin/esql-datasource-parquet/src/test/java/org/elasticsearch/xpack/esql/datasource/parquet/ParquetColumnExtractorTests.java