From: Matt Joiner <anacrolix@gmail.com>
Date: Sat, 21 Nov 2020 02:39:04 +0000 (+1100)
Subject: sqlite storage: Ensure that chunks are consecutive
X-Git-Tag: v1.19.0~15
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=41ef267c1bb5514f1277ed41d730ca2c8fe02bd1;p=btrtrc.git

sqlite storage: Ensure that chunks are consecutive
---

diff --git a/storage/sqlite/sqlite-storage.go b/storage/sqlite/sqlite-storage.go
index 2f58883a..22b4b8fd 100644
--- a/storage/sqlite/sqlite-storage.go
+++ b/storage/sqlite/sqlite-storage.go
@@ -319,9 +319,11 @@ func (p *provider) WriteConsecutiveChunks(prefix string, w io.Writer) (written i
 				where name like ?||'%'
 				order by offset`,
 			func(stmt *sqlite.Stmt) error {
+				offset := stmt.ColumnInt64(1)
+				if offset != written {
+					return fmt.Errorf("got chunk at offset %v, expected offset %v", offset, written)
+				}
 				r := stmt.ColumnReader(0)
-				//offset := stmt.ColumnInt64(1)
-				//log.Printf("got %v bytes at offset %v", r.Len(), offset)
 				w1, err := io.Copy(w, r)
 				written += w1
 				return err