"multiple query at once in firebase" Code Answer's
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multiple query at once in firebase
function doSomething(...){
let result1 = [];
let result2 = [];
admin.firestore().collection('...').where('some condition').get()
.then((results: any)=>{
results.forEach((element: any)=>{
if(some other condition){
result1.push(element);
}
})
.catch((error: any)=>{//log the error});
admin.firestore().collection('...').where('yet another condition').orderBy(...).get()
.then((results: any)=>{
results.forEach((element: any)=>{
result2.push(func(element)) //func is some manipulation
})
.catch((error: any)=>{//log the error});
return makeCalculation(result1, result2);
}
Source: www.reddit.com
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