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feat: enhance table function fuse_encoding#19127

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@dantengskydantengsky commentedDec 18, 2025•
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I hereby agree to the terms of the CLA available at:https://docs.databend.com/dev/policies/cla/

Summary

enhance table functionfuse_encoding:

  • supports storage format Parquet
  • add new columnsblock_location andstorage_format
  • the 2nd argtable_name and the 3rd argcolumn_name are optional
mysql> select * from fuse_encoding('default') limit 1;+------------+----------------+--------------------------------------------------------+-------------+------------------+---------------+-----------------+-------------------+--------------------------+-----------+| table_name | storage_format | block_location                                         | column_name | column_type      | validity_size | compressed_size | uncompressed_size | level_one                | level_two |+------------+----------------+--------------------------------------------------------+-------------+------------------+---------------+-----------------+-------------------+--------------------------+-----------+| t0         | Parquet        | 1/5771/_b/h019b253321d570419b4a5c40bf3ac01b_v2.parquet | c           | INT NULL (INT32) |          NULL |            4774 |              7987 | plain,rle,rle_dictionary | zstd      |+------------+----------------+--------------------------------------------------------+-------------+------------------+---------------+-----------------+-------------------+--------------------------+-----------+1 row in set (0.140 sec)Read 112 rows, 22.33 KiB in 0.084 sec., 1.33 thousand rows/sec., 264.90 KiB/sec.mysql> select * from fuse_encoding('default', 't1') limit 1;+------------+----------------+--------------------------------------------------------+-------------+------------------+---------------+-----------------+-------------------+--------------------------+-----------+| table_name | storage_format | block_location                                         | column_name | column_type      | validity_size | compressed_size | uncompressed_size | level_one                | level_two |+------------+----------------+--------------------------------------------------------+-------------+------------------+---------------+-----------------+-------------------+--------------------------+-----------+| t1         | Parquet        | 1/5778/_b/h019b253321d47043aa0f6c5de4527a65_v2.parquet | c           | INT NULL (INT32) |          NULL |            4781 |              7987 | plain,rle,rle_dictionary | zstd      |+------------+----------------+--------------------------------------------------------+-------------+------------------+---------------+-----------------+-------------------+--------------------------+-----------+1 row in set (0.048 sec)Read 1 rows, 228.00 B in 0.025 sec., 39.56 rows/sec., 8.81 KiB/sec.mysql> select * from fuse_encoding('default', 't1', 'c') limit 1;+------------+----------------+--------------------------------------------------------+-------------+------------------+---------------+-----------------+-------------------+--------------------------+-----------+| table_name | storage_format | block_location                                         | column_name | column_type      | validity_size | compressed_size | uncompressed_size | level_one                | level_two |+------------+----------------+--------------------------------------------------------+-------------+------------------+---------------+-----------------+-------------------+--------------------------+-----------+| t1         | Parquet        | 1/5778/_b/h019b253321d47043aa0f6c5de4527a65_v2.parquet | c           | INT NULL (INT32) |          NULL |            4781 |              7987 | plain,rle,rle_dictionary | zstd      |+------------+----------------+--------------------------------------------------------+-------------+------------------+---------------+-----------------+-------------------+--------------------------+-----------+1 row in set (0.056 sec)Read 1 rows, 228.00 B in 0.033 sec., 30.09 rows/sec., 6.70 KiB/sec.

Tests

  • Unit Test
  • Logic Test
  • Benchmark Test
  • No Test -Explain why

Type of change

  • Bug Fix (non-breaking change which fixes an issue)
  • New Feature (non-breaking change which adds functionality)
  • Breaking Change (fix or feature that could cause existing functionality not to work as expected)
  • Documentation Update
  • Refactoring
  • Performance Improvement
  • Other (please describe):

This change is Reviewable

SkyFan2002 reacted with thumbs up emoji
@github-actionsgithub-actionsbot added the pr-featurethis PR introduces a new feature to the codebase labelDec 18, 2025
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github-actionsbot commentedDec 18, 2025•
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🤖 CI Job Analysis

Workflow:20359258888

📊 Summary

  • Total Jobs: 23
  • Failed Jobs: 2
  • Retryable: 0
  • Code Issues: 2

❌NO RETRY NEEDED

All failures appear to be code/test issues requiring manual fixes.

🔍 Job Details

  • ❌linux / build: Not retryable (Code/Test)
  • ❌linux / test_unit: Not retryable (Code/Test)
🤖 About

Automated analysis using job annotations to distinguish infrastructure issues (auto-retried) from code/test issues (manual fixes needed).

@dantengskydantengskyforce-pushed thefeat/enhence-fuse-encoding branch fromd2aba1a to92c9236CompareDecember 19, 2025 01:47
# Conflicts:#src/query/storages/fuse/src/io/read/meta/mod.rs#src/query/storages/fuse/src/table_functions/fuse_encoding.rs
@dantengskydantengskyforce-pushed thefeat/enhence-fuse-encoding branch from92c9236 to378382dCompareDecember 19, 2025 03:53
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