Speed up deck synchronization

Apply changes for what has been inserted, updated, removed.

Also use transactions to speed up multi-writing.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/db/sql/3-drop-deck-read.sql b/src/db/sql/3-drop-deck-read.sql
new file mode 100644
index 0000000..1ca23d1
--- /dev/null
+++ b/src/db/sql/3-drop-deck-read.sql
@@ -0,0 +1 @@
+ALTER TABLE cards DROP COLUMN deck_read;