[[["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):2025-04-11。"],[[["This guide outlines how to generate indexes and query embeddings using stored embeddings in AlloyDB."],["AlloyDB supports the creation of `ScaNN`, `IVF`, `IVFFlat`, and `HNSW` index types, each requiring a unique name within the database."],["Before creating indexes, you need to ensure that embedding vectors are stored in an AlloyDB table and the `vector` extension (version 0.5.0 or later) is installed."],["The `alloydb_scann` extension is necessary for generating `ScaNN` indexes and is compatible with PostgreSQL 14 and 15."],["Users upgrading to AlloyDB Omni must drop any `postgres_ann` indexes, upgrade, and then recreate them using the renamed `alloydb_scann` extension."]]],[]]