CreateQuery test54378 (children 3)
 Identifier test54378
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration part_date (children 1)
    DataType Date
   ColumnDeclaration pk_date (children 1)
    DataType Date
   ColumnDeclaration date (children 1)
    DataType Date
 Storage definition (children 1)
  Function MergeTree (children 1)
   ExpressionList (children 3)
    Identifier part_date
    Identifier pk_date
    Literal UInt64_8192