CreateQuery pk_func (children 3)
 Identifier pk_func
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration d (children 1)
    DataType DateTime
   ColumnDeclaration ui (children 1)
    DataType UInt32
 Storage definition (children 2)
  Function SummingMergeTree
  Function toDate (children 1)
   ExpressionList (children 1)
    Identifier d
