47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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var datomish = require("../../release-node/datomish.js");
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var schema = {
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"name": "pages",
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"attributes": [
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{"name": "page/url",
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"type": "string",
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"cardinality": "one",
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"unique": "identity",
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"doc": "A page's URL."},
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{"name": "page/title",
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"type": "string",
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"cardinality": "one",
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"doc": "A page's title."},
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{"name": "page/starred",
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"type": "boolean",
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"cardinality": "one",
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"doc": "Whether the page is starred."},
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{"name": "page/visit",
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"type": "ref",
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"cardinality": "many",
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"doc": "A visit to the page."}
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]
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};
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async function testOpen() {
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let db = await datomish.open("/tmp/testing.db");
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await db.ensureSchema(schema);
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let txResult = await db.transact([{"db/id": 55,
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"page/url": "http://foo.com/bar",
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"page/starred": true}]);
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console.log("Transaction returned " + JSON.stringify(txResult));
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console.log("Transaction instant: " + txResult.txInstant);
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let results = await datomish.q(db.db(), "[:find ?url :in $ :where [?e :page/url ?url]]")
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results = results.map(r => r[0]);
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console.log("Query results: " + JSON.stringify(results));
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await db.close();
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}
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testOpen()
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.then((r) => console.log("Done."))
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.catch((e) => console.log("Failure: " + e.stack));
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