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offline: add trigger to remove label references when article is deleted

This commit is contained in:
Andrew Dolgov 2009-02-07 10:16:31 +03:00
parent 55852afa57
commit 5b88081798
1 changed files with 11 additions and 4 deletions
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15
offline.js
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@ -1,4 +1,4 @@
var SCHEMA_VERSION = 10;
var SCHEMA_VERSION = 9;
var offline_mode = false;
var store = false;
@ -671,7 +671,6 @@ function offline_download_parse(stage, transport) {
if (a) {
db.execute("DELETE FROM articles WHERE id = ?", [a.id]);
db.execute("DELETE FROM article_labels WHERE id = ?", [a.id]);
db.execute("INSERT INTO articles "+
"(id, feed_id, title, link, guid, updated, content, "+
@ -929,6 +928,7 @@ function init_gears() {
db.execute("DROP INDEX IF EXISTS articles_feed_id_idx");
db.execute("DROP TABLE IF EXISTS version");
db.execute("DROP TRIGGER IF EXISTS articles_update_modified");
db.execute("DROP TRIGGER IF EXISTS articles_remove_labelrefs");
db.execute("CREATE TABLE IF NOT EXISTS version (schema_version text)");
db.execute("INSERT INTO version (schema_version) VALUES (?)",
[SCHEMA_VERSION]);
@ -952,7 +952,14 @@ function init_gears() {
db.execute("CREATE TRIGGER IF NOT EXISTS articles_update_modified "+
"UPDATE OF unread ON articles "+
"BEGIN "+
"UPDATE articles SET modified = DATETIME('NOW') WHERE id = old.id; "+
"UPDATE articles SET modified = DATETIME('NOW') WHERE id = old.id AND "+
"old.unread = 1;"+
"END;");
db.execute("CREATE TRIGGER IF NOT EXISTS articles_remove_labelrefs "+
"DELETE ON articles "+
"BEGIN "+
"DELETE FROM article_labels WHERE id = OLD.id; "+
"END; ");
Element.show("restartOfflinePic");
@ -1134,7 +1141,7 @@ function get_local_article_labels(id) {
function label_local_add_article(id, label_id) {
try {
debug("label_local_add_article " + id + " => " + label_id);
//debug("label_local_add_article " + id + " => " + label_id);
var rs = db.execute("SELECT COUNT(id) FROM article_labels WHERE "+
"id = ? AND label_id = ?", [id, label_id]);