CreateQuery test_tiny_log (children 3)
 Identifier test_tiny_log
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration x (children 1)
    DataType UInt8
   ColumnDeclaration s (children 1)
    DataType String
   ColumnDeclaration a (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Nullable (children 1)
       ExpressionList (children 1)
        DataType String
 Storage definition (children 1)
  Function TinyLog
