CreateQuery tp (children 3)
 Identifier tp
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration type (children 1)
    DataType Int32
   ColumnDeclaration eventcnt (children 1)
    DataType UInt64
 Storage definition (children 2)
  Function ReplacingMergeTree
  Identifier type
