firestore-bigquery-export fs-bq-import-collection doesn't allow {widecard} path

[READ] Step 1: Are you in the right place?

Issues filed here should be about bugs for a specific extension in this repository. If you have a general question, need help debugging, or fall into some other category use one of these other channels:

• For general technical questions, post a question on StackOverflow with the firebase tag.
• For general Firebase discussion, use the firebase-talk google group.
• To file a bug against the Firebase Extensions platform, or for an issue affecting multiple extensions, please reach out to Firebase support directly.

[REQUIRED] Step 2: Describe your configuration

• Extension name: firestore-bigquery-export
• Configuration values (redact info where appropriate):
  • fs-bq-import-collection

[REQUIRED] Step 3: Describe the problem

Steps to reproduce:

1. Clone this repo.
2. Go to extensions/firestore-bigquery-export/scripts/import and install dependencies (npm install)
3. Execute npm run import
4. Pass the ${PROJECT_ID}
5. Try pass a widecard path as described on docs, like chats/{chatid}/posts
6. Get an error: >> The collection path must only contain letters or spaces

Expected result

Allow widecard paths to import.

Actual result

Get an error: >> The collection path must only contain letters or spaces

[MattReidArnold]

@kienner-philippe and @garciapd, I was able to get around this by making my own copy of the script and modifying the query to use collectionGroups.

Changed this: https://github.com/firebase/extensions/blob/next/firestore-bigquery-export/scripts/import/src/index.ts#L188

To this:

    let query = firebase
      .firestore()
      .collectionGroup(sourceCollectionPath)
      .limit(batch);

Added these to my package.json:

"devDependencies": {
    "@firebaseextensions/firestore-bigquery-change-tracker": "^1.0.0",
    "@google-cloud/bigquery": "^4.4.0",
    "inquirer": "^7.0.0",
}

Then I just run my local version of the script using ts-node with something like this:

GOOGLE_APPLICATION_CREDENTIALS="./secrets/service-account-key.json" \
    npx ts-node ./bin/firestore-bigquery-export-backfill.ts  # my local version of the file

when the script asks:

What is the path of the the Cloud Firestore Collection you would like to import from?

Give it the sub-collection name for the collection group query. posts

[liberathor]

please support sub collections!!