CreateQuery multidimensional (children 3)
 Identifier multidimensional
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration x (children 1)
    DataType UInt64
   ColumnDeclaration arr (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Array (children 1)
       ExpressionList (children 1)
        DataType String
   ColumnDeclaration t (children 1)
    DataType Tuple (children 1)
     ExpressionList (children 3)
      DataType String
      DataType Array (children 1)
       ExpressionList (children 1)
        DataType Nullable (children 1)
         ExpressionList (children 1)
          DataType String
      DataType Tuple (children 1)
       ExpressionList (children 2)
        DataType UInt32
        DataType Date
 Storage definition (children 1)
  Function Log