Antalya 26.6: Added support for iceberg v3 unknown data type

[subkanthi]

Changelog category (leave one):

• New Feature

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

Support for iceberg v3 unknown datatype which is maps to Nullable(Nothing) in Clickhouse. Read and write path(Parquet).

CI/CD Options

Exclude tests:

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

Regression jobs to run:

• Fast suites (mostly <1h)
• Aggregate Functions (2h)
• Alter (1.5h)
• Benchmark (30m)
• CAS (content-addressed storage; Antalya only)
• ClickHouse Keeper (1h)
• Iceberg (2h)
• LDAP (1h)
• OAuth (5m)
• Parquet (1.5h)
• RBAC (1.5h)
• SSL Server (1h)
• S3 (2h)
• S3 Export (2h)
• Swarms (30m)
• Tiered Storage (2h)

[github-actions]

Workflow [PR], commit [d59f362]

[subkanthi]

Create table in ice

Altinity/ice#219

create-table ns1.t1 --format-version=3   --schema '[{"name":"id","type":"int","required":true},{"name":"payload","type":"unknown"}]'

CH

show create table ice.`ns1.t1`;

SHOW CREATE TABLE ice.`ns1.t1`

Query id: 482b62d6-9778-4392-b504-8d5e437292a8

   ┌─statement─────────────────────────────────────────────────┐
1. │ CREATE TABLE ice.`ns1.t1`                                ↴│
   │↳(                                                        ↴│
   │↳    `id` Int32,                                          ↴│
   │↳    `payload` Nullable(Nothing)                          ↴│
   │↳)                                                        ↴│
   │↳ENGINE = Iceberg('http://localhost:9000/bucket1/ns1/t1/') │
   └───────────────────────────────────────────────────────────┘

1 row in set. Elapsed: 0.012 sec. 

WRITE PATH

Ubuntu-2404-noble-amd64-base :) insert into ice.`ns1.t1` values(1, null);

INSERT INTO ice.`ns1.t1` FORMAT Values

Query id: 4169dc98-cebc-46be-81ab-41a0a45acfbe

Ok.

1 row in set. Elapsed: 1.169 sec. 

Ubuntu-2404-noble-amd64-base :) select * from ice.`ns1.t1`;

SELECT *
FROM ice.`ns1.t1`

Query id: 9df62c95-2ca1-4749-a98b-8728e6ac135b

   ┌─id─┬─payload─┐
1. │  1 │ ᴺᵁᴸᴸ    │
   └────┴─────────┘

1 row in set. Elapsed: 0.035 sec.