SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier field1
    Identifier field2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier alias10
   Function equals (children 1)
    ExpressionList (children 2)
     Identifier EventDate
     Literal \'2000-01-01\'