ch15.2

migrations/000005_create_tokens_table.down.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS tokens;

migrations/000005_create_tokens_table.up.sql

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+CREATE TABLE IF NOT EXISTS tokens {
+    hash bytea PRIMARY KEY,
+    user_id bigint NOT NULL REFERENCES users ON DELETE CASCADE,
+    expiry timestamp(0) with time zone NOT NULL,
+    scope text NOT NULL
+};