Check if table exists in database 说明 public mysql_xdevapi\Table::existsInDatabase ( void ) : bool Verifies if this table exists in the database. 参数 此函数没有参数。返回值 Returns TRUE if table exists in the database
if($isOk){ echo ' 指定的表存在'; }else{ echo ' 指定的表不存在'; } function tableIsExists($tableName, $dbName, $host, $usrName, $pwd){ $IsExists = false; $conn = mysql_connect($host, $usrName, $pwd); $result = mysql_list_tables($dbName); for ($i = 0; $i < mysql_nu...
check_if_table_exists() This assert was triggered when the server tried to load plugins while running in embedded server mode. In embedded server mode, check_if_table_exists() was used to check if mysql.plugin existed so that ER_NO_SUCH_TABLE could be silently ignored. The problem was ...
Check if table exists:if ($db->tableExists ('users')) echo "hooray";mysqli_real_escape_string() wrapper:$escaped = $db->escape ("' and 1=1");Transaction helpersPlease keep in mind that transactions are working on innoDB tables. Rollback transaction if insert fails:...
* @return void*/if( ! function_exists('is_really_writable')) { function is_really_writable($file){//If we're on a Unix server with safe_mode off we call is_writableif(DIRECTORY_SEPARATOR == "/"; AND @ini_get("safe_mode") ==FALSE){returnis_writable($file); ...
Category:MySQL Server: InnoDB storage engineSeverity:S3 (Non-critical) Version:5.6.21OS:Any Assigned to:CPU Architecture:Any [7 Jul 2014 21:03] Federico Razzoli Description:If I try to CREATE a table, but the tablespace is already there, I get an error 1813. But I can always convert My...
= $value['md5']) { // 筛选数据库更新脚本 if (preg_match('/([\w]+)-([\w\.]+)-update\.sql/i', $file, $matches)) { if ($matches[1] != 'mysql' || $matches[2] != '1.0.0') { continue; } } if (file_exists($file)) { $files[$key]['type'] = '<span style="...
*/functionoffsetUnset($key){if(array_key_exists($key,get_object_vars($this))){unset($this->{$key});}}/** * Defined by ArrayAccess interface * Check value exists, given it"s key e.g. isset($A["title"]) * @param mixed key (string or integer) ...
You know how to check for a false value, though, so you can add this code to handle problems: <?php // All your existing database connection code $result = mysql_query("SHOW TABLES;"); if ($result === false) { die("<p>Error in listing tables: " . mysql_error() . "</p>...
You may check for the existence of a table or column using the hasTable and hasColumn methods:1if (Schema::hasTable('users')) { 2 // The "users" table exists... 3} 4 5if (Schema::hasColumn('users', 'email')) { 6 // The "users" table exists and has an "email" column.....