CreateQuery sequence (children 3)
 Identifier sequence
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration userID (children 1)
    DataType UInt64
   ColumnDeclaration eventType (children 1)
    DataType Enum8 (children 1)
     ExpressionList (children 4)
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'A\'
        Literal UInt64_1
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'B\'
        Literal UInt64_2
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'C\'
        Literal UInt64_3
      Function equals (children 1)
       ExpressionList (children 2)
        Literal \'D\'
        Literal UInt64_4
   ColumnDeclaration EventTime (children 1)
    DataType UInt64
 Storage definition (children 1)
  Function Memory