WIP: FS to DB sync

1 files changed, 16 insertions, 1 deletions

diff --git a/initialize.sql b/initialize.sql
index c230f18..60b50f0 100644
--- a/initialize.sql
+++ b/initialize.sql
@@ -47,13 +47,28 @@ END;
 
 --
 
--- TODO: Add a trigger to delete from here when a node for the sha1 is added.
 CREATE TABLE IF NOT EXISTS orphan(
 	sha1 TEXT NOT NULL REFERENCES image(sha1)
 	path TEXT NOT NULL,
 	PRIMARY KEY (sha1)
 ) STRICT;
 
+-- Renaming/moving a file can result either in a (ref, unref) or a (unref, ref)
+-- sequence during sync, and I want to get at the same result.
+CREATE TRIGGER IF NOT EXISTS node__sha1__deorphan_insert
+AFTER INSERT ON node
+WHEN NEW.sha1 IS NOT NULL
+BEGIN
+	DELETE FROM orphan WHERE sha1 = NEW.sha1;
+END;
+
+CREATE TRIGGER IF NOT EXISTS node__sha1__deorphan_update
+AFTER UPDATE OF sha1 ON node
+WHEN NEW.sha1 IS NOT NULL
+BEGIN
+	DELETE FROM orphan WHERE sha1 = NEW.sha1;
+END;
+
 --
 
 CREATE TABLE IF NOT EXISTS tag_space(