[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["很难理解","hardToUnderstand","thumb-down"],["信息或示例代码不正确","incorrectInformationOrSampleCode","thumb-down"],["没有我需要的信息/示例","missingTheInformationSamplesINeed","thumb-down"],["翻译问题","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-04-21。"],[[["This guide outlines how to generate and query indexes using stored embeddings within AlloyDB."],["AlloyDB supports the creation of `ScaNN`, `IVF`, `IVFFlat`, and `HNSW` index types."],["Before creating indexes, you must have the `vector` extension (version 0.5.0 or later) installed, with embedding vectors already stored in a table."],["To create `ScaNN` indexes you must also install the `alloydb_scann` extension."],["The `postgres_ann` extension has been renamed to `alloydb_scann`, requiring users to drop old indexes created using `postgres_ann`, upgrade AlloyDB Omni and recreate indexes with `alloydb_scann`."]]],[]]