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Change trigger to more predictable etag values.

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This commit is contained in:
Andrew McMillan 2008-10-26 11:21:11 +13:00
parent 9a58b26636
commit a2081daddb
1 changed files with 15 additions and 22 deletions
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37
dba/caldav_functions.sql
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@ -392,26 +392,30 @@ BEGIN
END IF;
END IF;
IF TG_OP = 'DELETE' OR TG_OP = 'UPDATE' THEN
IF TG_OP = 'INSERT' OR TG_OP = 'UPDATE' THEN
-- On insert or update modified, we set the NEW collection tag to the etag of the
-- updated row which gives us something predictable for our regression tests.
UPDATE collection
SET modified = current_timestamp, dav_etag = md5(OLD.user_no::text||OLD.dav_name||current_timestamp::text)
WHERE collection_id = OLD.collection_id;
IF TG_OP = 'DELETE' THEN
RETURN OLD;
SET modified = current_timestamp, dav_etag = NEW.dav_etag
WHERE collection_id = NEW.collection_id;
IF TG_OP = 'INSERT' THEN
RETURN NEW;
END IF;
END IF;
IF TG_OP = 'INSERT' THEN
-- On delete or update modified, we set the OLD collection tag to the md5 of the old
-- path & the old etag, which again gives us something predictable for our regression tests.
IF TG_OP = 'DELETE' THEN
UPDATE collection
SET modified = current_timestamp, dav_etag = md5(NEW.user_no::text||NEW.dav_name||current_timestamp::text)
WHERE collection_id = NEW.collection_id;
RETURN NEW;
SET modified = current_timestamp, dav_etag = md5(OLD.dav_name::text||OLD.dav_etag)
WHERE collection_id = OLD.collection_id;
RETURN OLD;
END IF;
IF NEW.collection_id != OLD.collection_id THEN
UPDATE collection
SET modified = current_timestamp, dav_etag = md5(NEW.user_no::text||NEW.dav_name||current_timestamp::text)
WHERE collection_id = NEW.collection_id;
SET modified = current_timestamp, dav_etag = md5(OLD.dav_name::text||OLD.dav_etag)
WHERE collection_id = OLD.collection_id;
END IF;
RETURN NEW;
END;
@ -419,14 +423,3 @@ $$ LANGUAGE plpgsql;
CREATE TRIGGER caldav_data_modified AFTER INSERT OR UPDATE OR DELETE ON caldav_data
FOR EACH ROW EXECUTE PROCEDURE caldav_data_modified();
/*
DROP TRIGGER collection_modified ON collection CASCADE;
CREATE or REPLACE FUNCTION collection_modified() RETURNS TRIGGER AS $$
DECLARE
BEGIN
END;
$$ LANGUAGE plpgsql;
CREATE TRIGGER collection_modified AFTER INSERT OR UPDATE ON collection
FOR EACH ROW EXECUTE PROCEDURE collection_modified();
*/