CreateQuery test_vertical_json (children 3)
 Identifier test_vertical_json
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration data (children 1)
    DataType JSON
   ColumnDeclaration nullableData (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType JSON
 Storage definition (children 1)
  Function Memory
