CreateQuery nested_alter (children 3)
 Identifier nested_alter
 Columns definition (children 1)
  ExpressionList (children 8)
   ColumnDeclaration d (children 1)
    DataType Date
   ColumnDeclaration k (children 1)
    DataType UInt64
   ColumnDeclaration i32 (children 1)
    DataType Int32
   ColumnDeclaration dt (children 1)
    DataType DateTime
   ColumnDeclaration n.ui8 (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt8
   ColumnDeclaration n.s (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration n.d (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Date
   ColumnDeclaration s (children 2)
    DataType String
    Literal \'0\'
 Storage definition (children 1)
  Function ReplicatedMergeTree (children 1)
   ExpressionList (children 5)
    Literal \'/clickhouse/tables/{database}/test_01062/nested_alter\'
    Literal \'r2\'
    Identifier d
    Identifier k
    Literal UInt64_8192
