From 1425379d41d458e062a20cabd195dea8ae3939a2 Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Sat, 9 Jan 2021 10:17:47 +1000
Subject: [PATCH] drop basicCheck()

It can considerably slow down syncing on large collections
---
 pylib/anki/collection.py | 31 -------------------------------
 qt/aqt/sync.py           |  4 ----
 2 files changed, 35 deletions(-)

diff --git a/pylib/anki/collection.py b/pylib/anki/collection.py
index 6ac769814..463b7d30f 100644
--- a/pylib/anki/collection.py
+++ b/pylib/anki/collection.py
@@ -632,37 +632,6 @@ table.review-log {{ {revlog_style} }}
     # DB maintenance
     ##########################################################################
 
-    def basicCheck(self) -> bool:
-        "Basic integrity check for syncing. True if ok."
-        # cards without notes
-        if self.db.scalar(
-            """
-select 1 from cards where nid not in (select id from notes) limit 1"""
-        ):
-            return False
-        # notes without cards or models
-        if self.db.scalar(
-            """
-select 1 from notes where id not in (select distinct nid from cards)
-or mid not in %s limit 1"""
-            % ids2str(self.models.ids())
-        ):
-            return False
-        # invalid ords
-        for m in self.models.all():
-            # ignore clozes
-            if m["type"] != MODEL_STD:
-                continue
-            if self.db.scalar(
-                """
-select 1 from cards where ord not in %s and nid in (
-select id from notes where mid = ?) limit 1"""
-                % ids2str([t["ord"] for t in m["tmpls"]]),
-                m["id"],
-            ):
-                return False
-        return True
-
     def fixIntegrity(self) -> Tuple[str, bool]:
         """Fix possible problems and rebuild caches.
 
diff --git a/qt/aqt/sync.py b/qt/aqt/sync.py
index a4ce2512c..691fde1f4 100644
--- a/qt/aqt/sync.py
+++ b/qt/aqt/sync.py
@@ -122,10 +122,6 @@ def sync_collection(mw: aqt.main.AnkiQt, on_done: Callable[[], None]) -> None:
         else:
             full_sync(mw, out, on_done)
 
-    if not mw.col.basicCheck():
-        showWarning("Please use Tools>Check Database")
-        return on_done()
-
     mw.col.save(trx=False)
     mw.taskman.with_progress(
         lambda: mw.col.backend.sync_collection(auth),