JingsongLi opened a new pull request, #731:
URL: https://github.com/apache/paimon-rust/pull/731

   ## What changed
   
   - add the `multivalue` global-index type for array columns
   - build Java-compatible bitmap postings for every non-null array element
   - support `ARRAY_CONTAINS`, `ARRAYS_OVERLAP`, and `ARRAY_CONTAINS_ALL` in 
predicates, global-index scans, Arrow residual evaluation, and DataFusion 
pushdown
   - add Java-compatible `MVIM` element-type metadata, including the Java 
`STRING` signature
   - expose create/drop procedure support and document SQL usage
   
   ## Behavior
   
   Null arrays, empty arrays, and null elements do not create postings. 
Duplicate elements in one row are deduplicated by the bitmap. Empty 
`ARRAY_CONTAINS_ALL` falls back to residual evaluation because the index cannot 
distinguish null arrays from empty arrays.
   
   ## Validation
   
   - `cargo test -p paimon --all-targets --features fulltext,vortex 
--no-fail-fast`
   - `cargo clippy --locked --all-targets --workspace --features 
fulltext,vortex -- -D warnings`
   - focused DataFusion array-function pushdown tests
   - end-to-end multivalue build/read/query coverage, including nulls, empty 
arrays, duplicate elements, metadata compatibility, and all three query 
operators
   


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