Simplify GLAM template for getting latest versions (#3880)

* Simplify GLAM latest version template

* Use buildhub2 table instead

---------

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

bigquery_etl/glam/generate.py

@@ -28,6 +28,16 @@ class TemplateResult:
     query_text: str
 
 
+APP_PREFIX_CHANNELS = {
+    "firefox_desktop_glam_nightly": "nightly",
+    "firefox_desktop_glam_beta": "beta",
+    "firefox_desktop_glam_release": "release",
+    "org_mozilla_fenix_glam_nightly": "nightly",
+    "org_mozilla_fenix_glam_beta": "beta",
+    "org_mozilla_fenix_glam_release": "release",
+}
+
+
 def from_template(
     query_type: QueryType,
     template_name: str,
@@ -213,11 +223,7 @@ def main():
     [
         table(
             "latest_versions_v1",
-            **dict(
-                source_table=(
-                    f"glam_etl.{args.prefix}__view_clients_daily_scalar_aggregates_v1"
-                )
-            ),
+            **dict(app_id_channel=(f"'{APP_PREFIX_CHANNELS[args.prefix]}'")),
         ),
         init(
             "clients_scalar_aggregates_v1",

bigquery_etl/glam/templates/latest_versions_v1.sql

@@ -1,36 +1,12 @@
 {{ header }}
-WITH extracted AS (
-  SELECT
-    client_id,
-    channel,
-    app_version
-  FROM
-    {{ source_table }}
-  WHERE
-    submission_date
-    BETWEEN DATE_SUB(@submission_date, INTERVAL 28 DAY)
-    AND @submission_date
-    AND channel IS NOT NULL
-),
-transformed AS (
-  SELECT
-    channel,
-    app_version
-  FROM
-    extracted
-  GROUP BY
-    channel,
-    app_version
-  HAVING
-    COUNT(DISTINCT client_id) > 5
-  ORDER BY
-    channel,
-    app_version DESC
-)
 SELECT
-  channel,
-  MAX(app_version) AS latest_version
+  build.`target`.channel AS channel,
+  MAX(mozfun.norm.extract_version(build.`target`.version,
+  'major')) AS latest_version
 FROM
-  transformed
+  `moz-fx-data-shared-prod.telemetry.buildhub2`
+WHERE
+  build.`source`.product = "firefox"
+  AND    build.`target`.channel = {{ app_id_channel }}
 GROUP BY
-  channel
+  build.`target`.channel