CreateQuery partial_duplicates (children 3)
 Identifier partial_duplicates
 Columns definition (children 2)
  ExpressionList (children 6)
   ColumnDeclaration pk (children 1)
    DataType Int32
   ColumnDeclaration sk (children 1)
    DataType Int32
   ColumnDeclaration val (children 1)
    DataType UInt32
   ColumnDeclaration partition_key (children 2)
    DataType UInt32
    Literal UInt64_1
   ColumnDeclaration mat (children 2)
    DataType UInt32
    Function rand (children 1)
     ExpressionList
   ColumnDeclaration alias (children 2)
    DataType UInt32
    Literal UInt64_2
  Identifier pk
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier pk
    Identifier sk
