React Native Firebase - using "array-contains-any" on array of number elements fails when using IOS

Question

React Native Firebase to access Firestore database

Database The field selectedJobTypesArr is an array of numbers. The elements are numbers because they come direct from a picklist

Operation . I have a function that uses array-contains-any to match any value in selectedJobTypesArr

export const hasMatchingJobType = (user_id, jobTypeCodeArr) => {
  return new Promise((resolve, reject) => {
    let foundFlag = false;
    firestore()
      .collection('profiles')
      .where('user_id', '==', user_id)
      .where('selectedJobTypesArr', 'array-contains-any', jobTypeCodeArr)
      .orderBy('preferredName')
      .get()
      .then((value) => {
        value.docs.map((doc) => {
          foundFlag = true;
        });
        resolve(foundFlag);
      });
  });
};

To test it I call it as follows:

    const user_id = 'TUJawBQN9ge9qNl1l5Qi320UZXK2';
    const jobTypeCodeArr = [101, 102, 103, 104, 105];

    hasMatchingJobType(user_id, jobTypeCodeArr).then((res) => {
      console.log('res ', res);
    });

Expected Behaviour returns true when called with matching data

Actual Behaviour Returns false on IOS. If the database array elements are numbers, the array-contains-any only returns expected results with Android not IOS. If I change the database elements to string, both android and IOS produce expected results.

Environment React Native Firebase to access Firestore database version @react-native-firebase/[email protected]

Android build.gradle:

 ext {
    buildToolsVersion = "29.0.2"
    minSdkVersion = 21
    compileSdkVersion = 30
    targetSdkVersion = 30
}

IOS: podfile containing directive $FirebaseSDKVersion = '8.0.0'

Dharmaraj · Accepted Answer · 2021-07-11 15:54:08Z

1

const jobTypeCodeArr = ['101', '102', '103', '104', '105'];

This seems to be an array of strings but your Firestore document has an array of numbers which are not same. You must pass an array of numbers in where() to get your documents.

const user_id = 'TUJawBQN9ge9qNl1l5Qi320UZXK2';
const jobTypeCodeArr = [101, 102, 103, 104, 105];

hasMatchingJobType(user_id, jobTypeCodeArr).then((res) => {
  console.log('res ', res);
});

If you want to use the existing arrays which has numbers as strings then you would have to change the data type to string in Firestore as well.

answered Jul 11, 2021 at 15:54

Dharmaraj

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1 Comment

bugman Over a year ago

Sorry, pasted wrong version of test data. It is indeed numbers

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