Use TEXT instead of "DATETIME"

app/database/db_sqlite_setup.sql

@@ -1,28 +1,32 @@
--- Enable write-ahead logging for improved write performance (https://www.sqlite.org/wal.html)
-PRAGMA journal_mode = wal;
+-- https://kerkour.com/sqlite-for-servers
+PRAGMA journal_mode = WAL;
+PRAGMA busy_timeout = 5000;
+PRAGMA synchronous = NORMAL;
+PRAGMA cache_size = 1000000000;
+PRAGMA temp_store = memory;
 
 CREATE TABLE IF NOT EXISTS crawl_queue(
     source TEXT NOT NULL,
     url TEXT NOT NULL,
     status INTEGER DEFAULT 0, -- Pending
     depth INTEGER,
-    addedAt DATETIME DEFAULT CURRENT_TIMESTAMP,
-    updatedAt DATETIME DEFAULT CURRENT_TIMESTAMP
+    addedAt TEXT DEFAULT CURRENT_TIMESTAMP,
+    updatedAt TEXT DEFAULT CURRENT_TIMESTAMP
 ) STRICT;
 
 -- When a canonical URL is discovered, it is cached in this table to prevent excessively querying the target
 CREATE TABLE IF NOT EXISTS canonicals(
     source TEXT NOT NULL,
     url TEXT NOT NULL,
     canonical TEXT NOT NULL,
-    crawledAt DATETIME DEFAULT CURRENT_TIMESTAMP
+    crawledAt TEXT DEFAULT CURRENT_TIMESTAMP
 ) STRICT;
 
 -- After a page is crawled, it is added to this table
 CREATE TABLE IF NOT EXISTS pages(    
     source TEXT NOT NULL,
 
-    crawledAt DATETIME DEFAULT CURRENT_TIMESTAMP,
+    crawledAt TEXT DEFAULT CURRENT_TIMESTAMP,
     depth INTEGER NOT NULL,
     status INTEGER NOT NULL,