CreateQuery old_partition_key (children 3)
 Identifier old_partition_key
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration sd (children 1)
    DataType Date
   ColumnDeclaration dh (children 1)
    DataType UInt64
   ColumnDeclaration ak (children 1)
    DataType UInt32
   ColumnDeclaration ed (children 1)
    DataType Date
 Storage definition (children 1)
  Function MergeTree (children 1)
   ExpressionList (children 4)
    Identifier sd
    Identifier dh
    Function tuple (children 1)
     ExpressionList (children 3)
      Identifier ak
      Identifier ed
      Identifier dh
    Literal UInt64_8192
