feat(node): add read_consistency_interval to Node and Rust (#1002)

This PR adds the same consistency semantics as was added in #828. It
*does not* add the same lazy-loading of tables, since that breaks some
existing tests.

This closes #998.

---------

Co-authored-by: Weston Pace <weston.pace@gmail.com>
This commit is contained in:
Will Jones
2024-02-22 15:04:30 -08:00
committed by GitHub
parent 677b7c1fcc
commit 3aa0c40168
19 changed files with 735 additions and 1127 deletions

View File

@@ -29,6 +29,6 @@ test("open database", async () => {
const tbl = await db.createTable("test", [{ id: 1 }, { id: 2 }]);
expect(await db.tableNames()).toStrictEqual(["test"]);
const schema = tbl.schema;
const schema = await tbl.schema();
expect(schema).toEqual(new Schema([new Field("id", new Float64(), true)]));
});

View File

@@ -181,3 +181,37 @@ describe("Test creating index", () => {
// TODO: check index type.
});
});
describe("Read consistency interval", () => {
let tmpDir: string;
beforeEach(() => {
tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), "read-consistency-"));
});
// const intervals = [undefined, 0, 0.1];
const intervals = [0];
test.each(intervals)("read consistency interval %p", async (interval) => {
const db = await connect({ uri: tmpDir });
const table = await db.createTable("my_table", [{ id: 1 }]);
const db2 = await connect({ uri: tmpDir, readConsistencyInterval: interval });
const table2 = await db2.openTable("my_table");
expect(await table2.countRows()).toEqual(await table.countRows());
await table.add([{ id: 2 }]);
if (interval === undefined) {
expect(await table2.countRows()).toEqual(1n);
// TODO: once we implement time travel we can uncomment this part of the test.
// await table2.checkout_latest();
// expect(await table2.countRows()).toEqual(2);
} else if (interval === 0) {
expect(await table2.countRows()).toEqual(2n);
} else {
// interval == 0.1
expect(await table2.countRows()).toEqual(1n);
await new Promise(r => setTimeout(r, 100));
expect(await table2.countRows()).toEqual(2n);
}
});
});