feat: Iceberg Table supports equality delete of merge on read when reading #18015
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
github-actions
bot
added
the
pr-feature
KKould
changed the title
KKould
force-pushed
the
feat/iceberg_read_equality_delete
branch
4 times, most recently
from
486f76c to
b3d9d1c
Compare
sundy-li
reviewed
May 28, 2025
src/query/storages/parquet/src/parquet_reader/reader/row_group_reader.rs
Outdated
Show resolved
Hide resolved
sundy-li
reviewed
May 28, 2025
src/query/storages/parquet/src/parquet_reader/reader/row_group_reader.rs
Outdated
Show resolved
Hide resolved
sundy-li
reviewed
May 28, 2025
sundy-li
reviewed
May 28, 2025
src/query/storages/parquet/src/parquet_reader/reader/row_group_reader.rs
Outdated
Show resolved
Hide resolved
KKould
force-pushed
the
feat/iceberg_read_equality_delete
branch
2 times, most recently
from
28c1f16 to
783e3b0
Compare
KKould
changed the title
KKould
force-pushed
the
feat/iceberg_read_equality_delete
branch
from
783e3b0 to
0453d91
Compare
sundy-li
approved these changes
May 29, 2025
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
I hereby agree to the terms of the CLA available at: https://docs.databend.com/dev/policies/cla/
Summary
When reading IcebergTable, the deleted data is filtered out by the File component predicate of Equality Delete.
Equality Delete File Format:
The corresponding Field contains constants with the same value, which are deleted.
Tips:
Equality Delete is currently only supported in Iceberg Java, so the Iceberg Driver is introduced
Tests
Type of change
This change is