CreateQuery t_json_array (children 3)
 Identifier t_json_array
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration arr (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType JSON
 Storage definition (children 2)
  Function MergeTree
  Identifier id
