This PR introduces two restrictions:
1. Before dropping a collection, all aliases associated with that
collection must be dropped.
2. When creating a collection, if the collection name duplicates any
alias, the collection creation will fail.
issue: https://github.com/milvus-io/milvus/issues/40142
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Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
issue: https://github.com/milvus-io/milvus/issues/38877
1. refactor pymilvus client v2 testcasebase
2. add a test for search hint
3. update pymilvus to 2.6
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Signed-off-by: yanliang567 <yanliang.qiao@zilliz.com>
