I'm trying to push the results of a SQL query to an array. However, it doesn't seem to work. I can't find a solution online. If anyone can help me solve this problem I would be very grateful.
let data = [];
connection.query("SELECT DISTINCT referer FROM publisher", (error, results) => {
if (error) {
console.log(error);
} else {
results.forEach(async (result) => {
let referer = result.referer;
let today = new Date();
for (let i = 0; i < 24; i++) {
let hour = i;
let start = new Date(today);
start.setHours(hour, 0, 0, 0);
let end = new Date(today);
end.setHours(hour, 59, 59, 999);
connection.query("SELECT COUNT(*) AS count FROM publisher WHERE referer = ? AND first_seen >= ? AND first_seen <= ?", [referer, start, end], (error, results) => {
if (error) {
console.log(error);
} else {
let count = results[0].count;
data.push({
referer: referer,
hour: hour,
count: count
});
}
});
}
});
}
});
You can try to get data from MySql DB using a single query
This eliminates internal asynchronous methods in js code.