diff --git a/nodejs/__test__/query.test.ts b/nodejs/__test__/query.test.ts index da001b1eb..5f3e68b16 100644 --- a/nodejs/__test__/query.test.ts +++ b/nodejs/__test__/query.test.ts @@ -110,6 +110,81 @@ describe("Query outputSchema", () => { }); }); +describe("Search pagination", () => { + let tmpDir: tmp.DirResult; + let table: Table; + + beforeEach(async () => { + tmpDir = tmp.dirSync({ unsafeCleanup: true }); + const db = await connect(tmpDir.name); + const schema = new Schema([ + new Field("id", new Int64(), false), + new Field("text", new Utf8(), false), + new Field( + "vector", + new FixedSizeList(2, new Field("item", new Float32())), + false, + ), + ]); + const data = makeArrowTable( + [ + { id: 1n, text: "common", vector: [0, 0] }, + { id: 2n, text: "common common", vector: [1, 1] }, + { id: 3n, text: "common common common", vector: [2, 2] }, + { id: 4n, text: "common common common common", vector: [3, 3] }, + ], + { schema }, + ); + table = await db.createTable("test", data); + }); + + afterEach(() => { + tmpDir.removeCallback(); + }); + + it("applies offset after the vector search limit", async () => { + const allResults = await table + .vectorSearch([0, 0]) + .select(["id"]) + .limit(4) + .toArray(); + const secondPage = await table + .vectorSearch([0, 0]) + .select(["id"]) + .limit(2) + .offset(2) + .toArray(); + + expect(allResults).toHaveLength(4); + expect(secondPage).toHaveLength(2); + expect(secondPage.map((row) => row.id)).toEqual( + allResults.slice(2, 4).map((row) => row.id), + ); + }); + + it("applies offset after the full-text search limit", async () => { + await table.createIndex("text", { config: Index.fts() }); + + const allResults = await table + .search("common", "fts") + .select(["id"]) + .limit(4) + .toArray(); + const secondPage = await table + .search("common", "fts") + .select(["id"]) + .limit(2) + .offset(2) + .toArray(); + + expect(allResults).toHaveLength(4); + expect(secondPage).toHaveLength(2); + expect(secondPage.map((row) => row.id)).toEqual( + allResults.slice(2, 4).map((row) => row.id), + ); + }); +}); + describe("Query orderBy", () => { let tmpDir: tmp.DirResult; let table: Table;