query.prepare("SELECT invoice FROM " + m_invoiceInfoTable + " WHERE invalid='' AND invoice IN (SELECT invoice FROM " + m_invoiceUserTable + " WHERE user=:user)");
Is there any problem with this query ?
I had not set the invalid field and still its not giving any record corresponding to ths
What are you trying to say with
Are you saying that invalid is defined as an empty string or that invalid is null (undefined) which would be done as