return $desc;
}
- function table_exists($table){\r
+ function table_exists($table_name){\r
if(!$this->link) $this->connect($this->host, $this->base, $this->user, $this->password);\r
- $rst = $this->query("SHOW TABLES");\r
- while($v_rst = mysql_fetch_array($rst)){\r
- if(strcmp($v_rst[0], $table) == 0) return true;\r
- }\r
- mysql_free_result($rst);\r
- return false;\r
+ $EXISTS = false;
+ try{
+ $rst = $this->query("SHOW TABLES");
+ while($v_rst = mysql_fetch_row($rst)){\r
+ if($v_rst[0] == $table_name){
+ $EXISTS = true;
+ break;
+ }\r
+ }\r
+ $this->free_result($rst);
+ }
+ catch(Exception $e){
+ throw new Exception($this->exception_out("Impossible de savoir si la table existe"));
+ }
+ return $EXISTS;
}
function field_exists($table_name, $field_name){
- if(!$this->link) $this->connect($this->host, $this->base, $this->user, $this->password);
- $sql = "SHOW COLUMNS FROM `".$table_name."` LIKE ".$field_name;
- $rst = $this->query($sql);
- $exists = false;
- $v_rst = $this->fetch_assoc($rst);
- if($v_rst) $exists = true;
- $this->free_result($rst);
- return $exists;
+ if(!$this->link) $this->connect($this->host, $this->base, $this->user, $this->password);\r
+ if(!($desc = $this->desc_table($table_name))){
+ throw new Exception($this->exception_out("Impossible de lire la description de la table"));
+ }
+ $EXISTS = false;
+ foreach($desc["attributs"] as $attribut_name => $attribut){
+ if($field_name == $attribut_name){
+ $EXISTS = true;
+ break;
+ }
+ }
+ return $EXISTS;
}
function query($query_string){\r