{
  "graph": null,
  "err": {
    "errs": [
      {
        "range": "d2/testdata/d2compiler/TestCompile/no-nested-columns-sql-2.d2,4:4:34-4:5:35",
        "errmsg": "d2/testdata/d2compiler/TestCompile/no-nested-columns-sql-2.d2:5:5: sql_table columns cannot have children"
      }
    ]
  }
}