Persist schema version 7 (#8850)

schmidt-sebastian · web-flow · commit f8b71742cc7f · 2021-10-22T02:28:51.000-06:00
diff --git a/Firestore/CHANGELOG.md b/Firestore/CHANGELOG.md
@@ -2,6 +2,8 @@
 - [added] Added support for Firebase AppCheck.
 - [fixed] Fix a crash if `[FIRTransaction getDocument]` was called after
   `[FIRFirestore terminateWithCompletion]` (#8760).
+- [fixed] Fixed a performance issue due to repeated schema migrations
+  at app startup (#8791).
 
 # v8.6.0
 - [changed] Internal refactor to improve serialization performance.
diff --git a/Firestore/core/src/local/leveldb_migrations.cc b/Firestore/core/src/local/leveldb_migrations.cc
@@ -375,6 +375,7 @@ void RewriteTargetsCanonicalIds(leveldb::DB* db,
     transaction.Put(new_key, empty_buffer);
   }
 
+  SaveVersion(7, &transaction);
   transaction.Commit();
 }
 

Original file line number	Diff line number	Diff line change
`@@ -375,6 +375,7 @@ void RewriteTargetsCanonicalIds(leveldb::DB* db,`
`375`	`375`	`transaction.Put(new_key, empty_buffer);`
`376`	`376`	`}`
`377`	`377`
	`378`	`+ SaveVersion(7, &transaction);`
`378`	`379`	`transaction.Commit();`
`379`	`380`	`}`
`380`	`381`