yunfengzhou-hub commented on code in PR #1280:
URL: https://github.com/apache/flink-agents/pull/1280#discussion_r4321094739
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docs/content/docs/development/vector-search/vector_stores/_index.md:
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@@ -328,7 +328,7 @@ vectorStore.delete(null, "my_collection", null, Map.of());
{"user_id": "u1", "run_id": "r1"}
```
-`None` / `null` means "no filter". Richer operators (ranges, set membership,
OR, NOT, etc.) are out of scope here. Callers needing backend-specific
operators should pass them through `extra_args` (Python
`VectorStoreQuery.extra_args` or `**kwargs`) or `extraArgs` (Java) — for
example, ChromaDB's native `where` dict. Implementations that receive an
unsupported operator via `filters` raise `NotImplementedError` (Python) or
`UnsupportedOperationException` (Java).
+`None` / `null` means "no filter". Richer operators (ranges, set membership,
OR, NOT, etc.) are out of scope here. Callers needing backend-specific
operators should pass them through `extra_args` (Python
`VectorStoreQuery.extra_args` or `**kwargs`) or `extraArgs` (Java) — for
example, ChromaDB's native `where` dict. An unsupported operator is not
portable. Chroma and Milvus reject it locally with `NotImplementedError`
(Python) or `UnsupportedOperationException` (Java); the other backends forward
the value, where the service may reject the query or it may silently match
nothing. Do not rely on catching a particular exception.
Review Comment:
Applied. Confirmed both gaps: Milvus checks only `null` and `Map`, Chroma
only a `$`-prefixed key or a dict value.
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