From 2fcb2ac3e702930b1f1e46b6e8bb1ab89c2569a8 Mon Sep 17 00:00:00 2001
From: Martin Brodbeck <martin@brodbeck-online.de>
Date: Mon, 29 Mar 2021 15:19:03 +0200
Subject: [PATCH] Considering the altered database structure

fixing #2
---
 src/database.rs | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

diff --git a/src/database.rs b/src/database.rs
index 4c50098..1ce6aea 100644
--- a/src/database.rs
+++ b/src/database.rs
@@ -86,11 +86,24 @@ fn remove_ghost_books_from_db(tx: &Transaction) -> usize {
         NO_PARAMS,
     )
     .unwrap();
-    tx.execute(
-        r#"DELETE FROM books_uids WHERE book_id NOT IN ( SELECT id FROM books_impl )"#,
-        NO_PARAMS,
-    )
-    .unwrap();
+
+    let version: i32 = tx
+        .query_row(r#"SELECT id FROM version"#, NO_PARAMS, |r| r.get(0))
+        .unwrap();
+    if version >= 37 {
+        tx.execute(
+            r#"DELETE FROM books_fast_hashes WHERE book_id NOT IN ( SELECT id FROM books_impl )"#,
+            NO_PARAMS,
+        )
+        .unwrap();
+    } else {
+        tx.execute(
+            r#"DELETE FROM books_uids WHERE book_id NOT IN ( SELECT id FROM books_impl )"#,
+            NO_PARAMS,
+        )
+        .unwrap();
+    }
+
     tx.execute(
         r#"DELETE FROM bookshelfs_books WHERE bookid NOT IN ( SELECT id FROM books_impl )"#,
         NO_PARAMS,