Hologres - Vector Index Supports Extra Columns, Significantly Enhancing Retrieval Performance
Feb 25 2026
HologresColumn values can be directly retrieved from the index during retrieval, eliminating the need to query corresponding columns in the target table.
Content
Supports column information to vector indexes. During retrieval, column values can be directly obtained from the index without querying corresponding columns in the target table, thus improving vector retrieval performance.
Help Document
https://www.alibabacloud.com/help/en/hologres/user-guide/hgraph-index-usage-guide