CreateQuery test (children 3)
 Identifier test
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration json (children 1)
    DataType JSON (children 1)
     ExpressionList (children 1)
      ASTObjectTypeArgument (children 1)
       Function equals (children 1)
        ExpressionList (children 2)
         Identifier max_dynamic_paths
         Literal UInt64_2
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
