More meaningful dhash command

1 files changed, 2 insertions, 2 deletions

diff --git a/main.go b/main.go
index 67c0850..7651525 100644
--- a/main.go
+++ b/main.go
@@ -2228,8 +2228,8 @@ func cmdDhash(fs *flag.FlagSet, args []string) error {
 	hexSHA1 := args[1:]
 	if len(hexSHA1) == 0 {
 		var err error
-		hexSHA1, err = dbCollectStrings(`
-			SELECT sha1 FROM image WHERE dhash IS NULL`)
+		hexSHA1, err = dbCollectStrings(`SELECT sha1 FROM image
+			WHERE thumbw IS NOT NULL AND thumbh IS NOT NULL AND dhash IS NULL`)
 		if err != nil {
 			return err
 		}