blob: ba4eaa627a2f54fbac21cfab7787eb2e273f10c4 [file]
const IgniteClient = require('apache-ignite-client');
const IgniteClientConfiguration = IgniteClient.IgniteClientConfiguration;
const CacheConfiguration = IgniteClient.CacheConfiguration;
const ObjectType = IgniteClient.ObjectType;
const SqlFieldsQuery = IgniteClient.SqlFieldsQuery;
async function performSqlFieldsQuery() {
const igniteClient = new IgniteClient();
try {
await igniteClient.connect(new IgniteClientConfiguration('127.0.0.1:10800'));
const cache = await igniteClient.getOrCreateCache('myPersonCache', new CacheConfiguration()
.setSqlSchema('PUBLIC'));
// Create table using SqlFieldsQuery
(await cache.query(new SqlFieldsQuery(
'CREATE TABLE Person (id INTEGER PRIMARY KEY, firstName VARCHAR, lastName VARCHAR, salary DOUBLE)'))).getAll();
// Insert data into the table
const insertQuery = new SqlFieldsQuery('INSERT INTO Person (id, firstName, lastName, salary) values (?, ?, ?, ?)')
.setArgTypes(ObjectType.PRIMITIVE_TYPE.INTEGER);
(await cache.query(insertQuery.setArgs(1, 'John', 'Doe', 1000))).getAll();
(await cache.query(insertQuery.setArgs(2, 'Jane', 'Roe', 2000))).getAll();
// Obtain sql fields cursor
const sqlFieldsCursor = await cache.query(
new SqlFieldsQuery("SELECT concat(firstName, ' ', lastName), salary from Person").setPageSize(1));
// Iterate over elements returned by the query
do {
console.log(await sqlFieldsCursor.getValue());
} while (sqlFieldsCursor.hasMore());
// Drop the table
(await cache.query(new SqlFieldsQuery("DROP TABLE Person"))).getAll();
} catch (err) {
console.log(err.message);
} finally {
igniteClient.disconnect();
}
}
performSqlFieldsQuery();