Update 1.0.1_create_table_t1.sql

Author: adela-bytebase

migrations-semver/1.0.1_create_table_t1.sql

@@ -1,4 +1,4 @@
 CREATE TABLE "public"."t1" (
     "id" serial PRIMARY KEY,
-    "username" text
+    "username" text NOT NULL DEFAULT ''
 );