QArJHPid

1import { SQLite } from 'expo'
2
3async function main() {
4  const db = SQLite.openDatabase('mydb')
5  console.debug('nn')
6  await exec_sql({ db, sql: `DROP TABLE IF EXISTS table_name;` })
7  await exec_sql({ db, sql: `CREATE TABLE IF NOT EXISTS table_name (id INTEGER PRIMARY KEY, created_at INTEGER NOT NULL);` })
8  await exec_sql({ db, sql: `INSERT INTO table_name (created_at) VALUES (?);`, parameters: [Math.pow(2, (8 * 4) - 1) - 1] })
9  await exec_sql({ db, sql: `INSERT INTO table_name (created_at) VALUES (?);`, parameters: [Math.pow(2, (8 * 4) - 1)] })
10
11  // set to 9223372036854775000 as javascript Number.MAX_SAFE_INTEGER means `Math.pow(2, (8 * 8) - 1) - 1`
12  // is rounded higher to 9223372036854776000
13  await exec_sql({ db, sql: `INSERT INTO table_name (created_at) VALUES (?);`, parameters: [9223372036854775000] })
14
15// This will error with
16  // Error in callNativeModules()
17  // Over flow during conversion: 9223372036854776000 (rounding up due to javascript's Number.MAX_SAFE_INTEGER)
18  // await exec_sql({ db, sql: `INSERT INTO table_name (created_at) VALUES (?);`, parameters: [Math.pow(2, (8 * 8) - 1)] })
19  await exec_sql({ db, sql: `SELECT * FROM table_name;` })
20}
21
22main()
23
24function exec_sql ({ db, sql, parameters = [] }) {
25  return new Promise((resolve, reject) => {
26    db.transaction(tx => {
27      console.debug(`Executing ${sql} with parameters: ${parameters}`)
28      tx.executeSql(sql, parameters,
29        (_, result) => {
30          console.debug(`Have result: ${JSON.stringify(result)}`)
31          if (result && result.rows && result.rows._array) {
32            resolve({ items: result.rows._array })
33          } else {
34            resolve()
35          }
36        },
37        (_, err) => {
38          console.error(`Error during executing sql: `, err)
39          reject(err)
40        }
41      )
42    })
43  })
44}
45	
46Executing CREATE TABLE IF NOT EXISTS table_name (id INTEGER PRIMARY KEY, created_at UNSIGNED INTEGER NOT NULL); with parameters: 
47Executing INSERT INTO table_name (created_at) VALUES (?); with parameters: 2147483647
48Executing INSERT INTO table_name (created_at) VALUES (?); with parameters: 2147483648
49Executing INSERT INTO table_name (created_at) VALUES (?); with parameters: 9223372036854775000
50Executing SELECT * FROM table_name; with parameters: 
51Have result: [{"id": 1, "created_at": 2147483647}, {"id": 2, "created_at": -2147483648}, {"id": 3, "created_at": -1024}]