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feat: support storing different columns in separate files#20193

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SkyFan2002 wants to merge 11 commits into
databendlabs:mainfrom
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feat: support storing different columns in separate files#20193
SkyFan2002 wants to merge 11 commits into
databendlabs:mainfrom
SkyFan2002:wide

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@SkyFan2002

@SkyFan2002 SkyFan2002 commented Jul 23, 2026

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I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/

Summary

WIP

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

@github-actions github-actions Bot added the pr-feature this PR introduces a new feature to the codebase label Jul 23, 2026
# Conflicts:
#	src/query/storages/common/table_meta/src/meta/v2/segment.rs
#	src/query/storages/fuse/src/io/write/block_writer.rs
#	src/query/storages/fuse/src/io/write/stream/block_builder.rs
#	src/query/storages/fuse/src/operations/changes.rs
#	src/query/storages/fuse/src/operations/common/processors/transform_serialize_block.rs
#	src/query/storages/fuse/src/operations/mutation/meta/mutation_meta.rs
#	src/query/storages/fuse/src/operations/mutation/processors/compact_source.rs
#	src/query/storages/fuse/src/operations/mutation/processors/mutation_source.rs
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