At 13:11 -0500 5/10/02, Steve Buehler wrote: >I have found that I can NOT do this: >$null = "NULL" or even $null = NULL than put that into a statement like this: >UPDATE games SET game_id = '$null'; >can't do it like this either >UPDATE games SET game_id = $null; >I have to do it like this: >UPDATE games SET game_id = NULL; >NO QUOTES of any kind. Somebody else might have a way around this. >In that case, I would like to hear it too. That would let me get >around the following:
None of those will work, because you test for NULL using IS NULL, not = NULL. >$searchStmt = "UPDATE games SET >date = '$date', >time = '$time',"; >if($loc_id == ""){$searchStmt .= "loc_id = NULL,";}else{$searchStmt >.= "loc_id = '$loc_id',";} >if($hteam_pt == ""){$searchStmt .= "hteam_pt = >NULL,";}else{$searchStmt .= "hteam_pt = '$hteam_pt',";} >if($vteam_pt == ""){$searchStmt .= "vteam_pt = >NULL,";}else{$searchStmt .= "vteam_pt = '$vteam_pt',";} >if($sea_id == ""){$searchStmt .= "sea_id = NULL,";}else{$searchStmt >.= "sea_id = '$sea_id',";} >if($hteam == ""){$searchStmt .= "hteam = NULL,";}else{$searchStmt .= >"hteam = '$hteam',";} >if($vteam == ""){$searchStmt .= "vteam = NULL,";}else{$searchStmt .= >"vteam = '$vteam',";} >if($hteam_forfeit == ""){$searchStmt .= "hteam_forfeit = >NULL,";}else{$searchStmt .= "hteam_forfeit = '1',";} >if($vteam_forfeit == ""){$searchStmt .= "vteam_forfeit = >NULL,";}else{$searchStmt .= "vteam_forfeit = '1',";} >if($official_1 == ""){$searchStmt .= "official_1 = >NULL,";}else{$searchStmt .= "official_1 = '$official_1',";} >if($official_2 == ""){$searchStmt .= "official_2 = >NULL,";}else{$searchStmt .= "official_2 = '$official_2',";} >if($official_3 == ""){$searchStmt .= "official_3 = >NULL,";}else{$searchStmt .= "official_3 = '$official_3',";} >if($official_4 == ""){$searchStmt .= "official_4 = >NULL,";}else{$searchStmt .= "official_4 = '$official_4',";} >if($official_5 == ""){$searchStmt .= "official_5 = NULL >";}else{$searchStmt .= "official_5 = '$official_5' ";} >$searchStmt .= "where game_id = '$game_id'" ; > >The previous is in a PHP script calling a MySQL DB. > >Steve > > >At 12:22 PM 5/10/2002, raphael k wrote: >>I created a table with a field define as NULL, however when I insert >>values NULL , Mysql puts 0 instead of nothing , >> >>I don't understand why I have this trouble , --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php