AlterQuery  test_updates (children 2)
 ExpressionList (children 1)
  AlterCommand UPDATE (children 2)
   Function greaterOrEquals (children 1)
    ExpressionList (children 2)
     Identifier id
     Literal UInt64_500000
   ExpressionList (children 1)
    Assignment json (children 1)
     Literal \'{"a" : [1, 2, 3], "d" : 42}\'
 Identifier test_updates
