.

db/initdb.sql

@@ -20,7 +20,7 @@ DROP TABLE IF EXISTS snapshots;
 CREATE TABLE snapshots (
     id SERIAL PRIMARY KEY,
     uid TEXT NOT NULL UNIQUE,
-    url TEXT NOT NULL,
+    url TEXT NOT NULL UNIQUE,
     host TEXT NOT NULL,
     timestamp TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT CURRENT_TIMESTAMP,
     mimetype TEXT,
@@ -42,7 +42,10 @@ CREATE INDEX idx_lang ON snapshots (lang);
 CREATE INDEX idx_response_code ON snapshots (response_code);
 CREATE INDEX idx_error ON snapshots (error);
 CREATE INDEX idx_host ON snapshots (host);
+CREATE INDEX unique_uid_url ON snapshots (uid, url);
+
 CREATE INDEX idx_snapshots_unprocessed_no_data ON snapshots (host)
 WHERE response_code IS NULL AND error IS NULL
 INCLUDE (id, uid, url, timestamp, mimetype, gemtext, links, lang);
+
 CREATE INDEX idx_response_code_error_nulls ON snapshots (response_code, error) WHERE response_code IS NULL AND error IS NULL;