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Posted to commits@gluten.apache.org by ho...@apache.org on 2026/03/10 15:44:45 UTC
(gluten) branch zhztheplayer-patch-2 created (now 61fea11b5b)
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at 61fea11b5b Add IcebergDelta.md for Delta Lake feature support
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(gluten) 01/01: Add IcebergDelta.md for Delta Lake feature support
Posted by ho...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
hongze pushed a commit to branch zhztheplayer-patch-2
in repository https://gitbox.apache.org/repos/asf/gluten.git
commit 61fea11b5b835f3e4efbdf07ef10e26e021b020d
Author: Hongze Zhang <ho...@gmail.com>
AuthorDate: Tue Mar 10 15:44:39 2026 +0000
Add IcebergDelta.md for Delta Lake feature support
---
docs/get-started/IcebergDelta.md | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/docs/get-started/IcebergDelta.md b/docs/get-started/IcebergDelta.md
new file mode 100644
index 0000000000..d8aefaabb5
--- /dev/null
+++ b/docs/get-started/IcebergDelta.md
@@ -0,0 +1,22 @@
+# Delta Lake Feature Support Status in Apache Gluten (Velox Backend, Spark 3.5)
+
+This document summarizes the current support status of **Delta Lake table features** when used with **Apache Gluten (Velox backend)** on **Apache Spark 3.5**.
+
+| Feature | Delta minWriterVersion | Delta minReaderVersion | Iceberg format-version | Feature type | Supported by Gluten (Velox) |
+|---|---:|---:|---:|---|---|
+| Basic functionality | 2 | 1 | 1 | Writer | Yes |
+| CHECK constraints | 3 | 1 | N/A | Writer | Yes |
+| Change data feed | 4 | 1 | N/A | Writer | Yes |
+| Generated columns | 4 | 1 | N/A | Writer | Partial |
+| Column mapping | 5 | 2 | N/A | Reader and writer | Yes |
+| Identity columns | 6 | 1 | N/A | Writer | Yes |
+| Row tracking | 7 | 1 | 3 | Writer | Partial |
+| Deletion vectors | 7 | 3 | 3 | Reader and writer | Partial |
+| TimestampNTZ | 7 | 3 | 1 | Reader and writer | Yes |
+| Liquid clustering | 7 | 3 | 1 | Reader and writer | Yes |
+| Iceberg readers (UniForm) | 7 | 2 | N/A | Writer | Yes |
+| Type widening | 7 | 3 | N/A | Reader and writer | Partial |
+| Variant | 7 | 3 | 3 | Reader and writer | Not tested |
+| Variant shredding | 7 | 3 | 3 | Reader and writer | Not tested |
+| Collations | 7 | 3 | N/A | Reader and writer | Not tested |
+| Protected checkpoints | 7 | 1 | N/A | Writer | Not tested |
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