CreateQuery report (children 3)
 Identifier report
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration id (children 1)
    DataType UInt32
   ColumnDeclaration event_date (children 1)
    DataType Date
   ColumnDeclaration priority (children 1)
    DataType UInt32
   ColumnDeclaration description (children 1)
    DataType String
 Storage definition (children 1)
  Function MergeTree (children 1)
   ExpressionList (children 4)
    Identifier event_date
    Function intHash32 (children 1)
     ExpressionList (children 1)
      Identifier id
    Function tuple (children 1)
     ExpressionList (children 3)
      Identifier id
      Identifier event_date
      Function intHash32 (children 1)
       ExpressionList (children 1)
        Identifier id
    Literal UInt64_8192
