problematic_supabase_num_type.md

gistfile1.txt

`amount` is of type: float4


```
import { Pool } from 'https://deno.land/x/[email protected]/mod.ts';

export async function getDBPool() {
  const POOL_CONNECTIONS = 20;
  const dbPool = new Pool(
    {
      tls: { enabled: false },
      // tls: { caCertificates: [Deno.env.get("DB_SSL_CERT")!] },
      user: Deno.env.get('USER_POSTGRES') ?? '',
      database: Deno.env.get('DB_POSTGRES') ?? '',
      hostname: Deno.env.get('HOSTNAME_POSTGRES') ?? '',
      password: Deno.env.get('PASSWORD_POSTGRES') ?? '',
      port: Deno.env.get('PORT_POSTGRES') ?? '',
    },
    POOL_CONNECTIONS,
    true,
  );
  return dbPool;
}

export async function runQuery(pool: Pool, query: string) {
  const client = await pool.connect();
  let result;
  try {
    result = await client.queryObject(query);
  } catch (e) {
    console.log(e);
  } finally {
    client.release();
  }
  return result;
}

```

```
const dbPool = await getDBPool();

  let query = `
  SELECT
    tr.created_at,
    tr.id,
    tr.amount,
  FROM transactions AS tr
`;
  const op = await runQuery(dbPool, query);
  if (op.rows.length != 1) {
    throw new Error('Wrong request');
  }
  const old_income: Income = op.rows[0];
  old_income.amount = parseFloat(old_income.amount);
```