Delta late feature table

The following section outlines some core features like supported storage backends and operations that can be performed against tables. The state of implementation of features outlined in the Delta protocol is also tracked.

Cloud Integrations

Storage	Rust	Python
Local	✅	✅
S3 - AWS	✅	✅
S3 - MinIO	✅	✅
S3 - R2	✅	✅
Azure Blob	✅	✅
Azure ADLS Gen2	✅	✅
Microsoft OneLake	✅	✅
Google Cloud Storage	✅	✅
HDFS	✅	✅
LakeFS	✅	✅

Supported Operations

Operation	Rust	Python	Description
Create	✅	✅	Create a new table
Read	✅	✅	Read data from a table
Vacuum	✅	✅	Remove unused files and log entries
Delete - predicates	✅	✅	Delete data based on a predicate
Optimize - compaction	✅	✅	Harmonize the size of data file
Optimize - Z-order	✅	✅	Place similar data into the same file
Merge	✅	✅	Merge a target Delta table with source data
Update	✅	✅	Update values from a table
Add Column	✅	✅	Add new columns or nested fields
Add Feature	✅	✅	Enable delta table features
Add Constraints	✅	✅	Set delta constraints, to verify data on write
Drop Constraints	✅	✅	Removes delta constraints
Set Table Properties	✅	✅	Set delta table properties
Convert to Delta	✅	✅	Convert parquet table to delta table
FS check	✅	✅	Remove corrupted files from table
Restore	✅	✅	Restores table to previous version state

Protocol Support Level

Writer Version	Requirement	Status
Version 2	Append Only Tables	✅
Version 2	Column Invariants	✅
Version 3	Enforce delta.checkpoint.writeStatsAsJson	✅
Version 3	Enforce delta.checkpoint.writeStatsAsStruct	✅
Version 3	CHECK constraints	✅
Version 4	Change Data Feed	✅
Version 4	Generated Columns	✅
Version 5	Column Mapping	✅
Version 6	Identity Columns	-
Version 7	Table Features	✅

Reader Version	Requirement	Status
Version 2	Column Mapping	✅
Version 3	Table Features (requires reader V7)	✅