Let me explain
I just finished development of curation_trail, fanbase, and schedule_post in the mahdiyari/steemauto-backend
So, I just updated the code which was related to this parts in the main repository (mahdiyari/steemauto)
That similar codes are the old codes. I'm just re-coding steemauto (and I will fix that codes in the coming updates).
Also, I think using map is not possible in that case

// mysql will return this result
const result = [{'SELECT EXISTS(SELECT `test` FROM `posts`)': 1}]
result.map(res => console.log(res)) // {SELECT EXISTS(SELECT `test` FROM `posts`): 1}
result[0].map(res => console.log(res)) // Uncaught TypeError: result[0].map is not a function

Thanks for your review