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Load test.db sqlite database demo file #3

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Load test.db sqlite database demo file #3

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17 changes: 13 additions & 4 deletions src/App.js
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Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,17 @@ export default class App extends React.Component {
// sql.js needs to fetch its wasm file, so we cannot immediately instantiate the database
// without any configuration, initSqlJs will fetch the wasm files directly from the same path as the js
// see ../config-overrides.js
initSqlJs()
.then(SQL => this.setState({ db: new SQL.Database() }))
.catch(err => this.setState({ err }));

const me = this;
Promise.all([initSqlJs(), fetch('./test.db')]).then(async res => {
const SQLite = res[0], dbStorage = res[1];
const db = new SQLite.Database(new Uint8Array(await dbStorage.arrayBuffer()));

me.setState({db: db});
}).catch(err => {
me.setState({err});
});

}

exec(sql) {
Expand Down Expand Up @@ -70,7 +78,8 @@ export default class App extends React.Component {
<textarea
onChange={e => this.exec(e.target.value)}
placeholder="Enter some SQL. No inpiration ? Try “select sqlite_version()”"
></textarea>
defaultValue="SELECT * FROM db_articles"
/>

<pre className="error">{(err || "").toString()}</pre>

Expand Down