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Antalya 26.6: Support for 'time' type in Iceberg - #2129

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Antalya 26.6: Support for 'time' type in Iceberg#2129
zvonand wants to merge 2 commits into
antalya-26.6from
feature/antalya-26.6/pr-1761

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@zvonand

@zvonand zvonand commented Jul 29, 2026

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Changelog category (leave one):

  • Improvement

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

Support for 'time' type in Iceberg, read and write (#1761 by @ianton-ru).

CI/CD Options

Exclude tests:

  • Fast test
  • Integration Tests
  • Stateless tests
  • Stateful tests
  • Performance tests
  • All with ASAN
  • All with TSAN
  • All with MSAN
  • All with UBSAN
  • All with Coverage
  • All with Aarch64
  • All Regression
  • Disable CI Cache

Regression jobs to run:

  • Fast suites (mostly <1h)
  • Aggregate Functions (2h)
  • Alter (1.5h)
  • Benchmark (30m)
  • ClickHouse Keeper (1h)
  • Iceberg (2h)
  • LDAP (1h)
  • Parquet (1.5h)
  • RBAC (1.5h)
  • SSL Server (1h)
  • S3 (2h)
  • S3 Export (2h)
  • Swarms (30m)
  • Tiered Storage (2h)

Cherry-picked from #1761.


Documentation entry for user-facing changes

Solved #1535

This changes time format,.
Was - seconds from midnight:

SELECT * FROM datalake.`namespace.table`

43200

Now - time with microseconds

SELECT * FROM datalake.`namespace.table`

12:00:00.000000

zvonand added 2 commits July 29, 2026 19:29
…next commit)

---
Original cherry-pick message follows:

Merge pull request #1761 from Altinity/bugfix/antalya-26.3/1535_time_type_write_support

Support for 'time' type in Iceberg
# Conflicts:
#	src/Storages/ObjectStorage/DataLakes/Iceberg/IcebergWrites.cpp
#	src/Storages/ObjectStorage/DataLakes/Iceberg/Utils.cpp
#	tests/integration/test_database_iceberg/test.py
Kept antalya-26.6's nullable-partition Avro union handling in
generateManifestFile and routed the PR's Time/Time64 partition-value
encoding through the base branch's `make_value_datum` lambda.

Kept `getAvroLogicalType` from the PR and antalya-26.6's `static`
linkage of `getPartitionField`; dropped test context belonging to
`test_cluster_joins`, which does not exist on antalya-26.6.
@zvonand zvonand added releasy Created/managed by RelEasy antalya-26.6 ai-resolved Port conflict auto-resolved by Claude labels Jul 29, 2026
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Workflow [PR], commit [d49b657]

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