CreateQuery t_subcolumns_local (children 3)
 Identifier t_subcolumns_local
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration arr (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt32
   ColumnDeclaration n (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration t (children 1)
    DataType Tuple (children 1)
     ExpressionList (children 2)
      NameTypePair s1 (children 1)
       DataType String
      NameTypePair s2 (children 1)
       DataType String
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList