SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 1)
    Identifier val
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier tab
   Function notEquals (children 1)
    ExpressionList (children 2)
     Function snowflakeToDateTime (children 1)
      ExpressionList (children 2)
       Identifier val
       Identifier tz
     Function toDateTime (children 1)
      ExpressionList (children 1)
       Literal \'2023-06-11 14:14:14\'
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier val
   Set