_mercury•3y ago

_mercury – 20-47 Jul 20

when try {} actually work in Js?

12 Replies

Unknown User•3y ago

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ghardin137•3y ago

when your code inside it throws an error?

_mercury•3y ago

js error ? or db error ?

ghardin137•3y ago

js error

_mercury•3y ago

or pasrseInt? parseInt error?

ghardin137•3y ago

parseInt probably won't throw an error it'll just return isNaN

_mercury•3y ago

not good Like

    const groups = await pool.query(
      `
        select g.* from groups g
        left join attribute_groups ag on g.id = ag.group_id
        left join attributes a on a.id = ag.attribute_id 
        where a.id = ?
    `,
      [attribute.id]
    );

    const groups = await pool.query(
      `
        select g.* from groups g
        left join attribute_groups ag on g.id = ag.group_id
        left join attributes a on a.id = ag.attribute_id 
        where a.id = ?
    `,
      [attribute.id]
    );

how to make this code throw an error if there is no DB success

ghardin137•3y ago

when you say db success what do you mean?

_mercury•3y ago

I mean get valid results Actual rows not empty result [] or {}

ghardin137•3y ago

that's not an error that's just there's nothing that matches it's a valid end state so you'd just need to check if that's the value yourself

_mercury•3y ago

Ok thx

reactibot•3y ago

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