const lancedb = require('@lancedb/lancedb');
const arrow = require('apache-arrow');

(async () => {
    const conn = await lancedb.connect("memory://");
    const schema = new arrow.Schema([
        new arrow.Field("text", new arrow.Utf8(), true),
        new arrow.Field("number", new arrow.Float32(), true),
        new arrow.Field("bool", new arrow.Bool(), true),
    ]);
    const table = await conn.createEmptyTable("test_table", schema);
    await table.add([{ text: undefined, number: undefined, bool: undefined }]);
    const result = await table.query().toArray();
    console.log(result);
})();