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File: UsageExample.txt

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File: UsageExample.txt
Role: Documentation
Content type: text/plain
Description: class.mysqldb Usage Example
Class: MySQL Wrapper Class 2
MySQL database access wrapper
Author: By
Last change:
Date: 13 years ago
Size: 1,818 bytes


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Some Usage Examples ________________________ First To Connect To A Mysql DB You Need To Set The Following Constants define('DBHost','~YOUR HOST~'); define('DBUser','~YOUR USER NAME~'); define('DBPassword','~YOUR PASSWORD~'); define('DBDefaultDatabase','~Default DB~'); and create new object $db = new dbWrapper(); In order to work with multiple databases use $db->set_db('otherDB'); SELECTS: Select all columns in a table (*) [second argument optional] $db->selectTable('my_table', "firstname = 'john'"); Get one row query result as MYSQL_ASSOC $row = $db->queryRow($sql); Run Query $db->query($sql); Handle result: $db->getResult(); Get All Returned Rows as a 3D Array $db->get3DArray(); Check if query returned results: $db->hasResults(); [returns false if empty, number of rows if full] INSERT / UPDATE / REPLACE Usage INSERT INTO my_table (firstname,lastname) VALUES ('john', 'doh'); will now be $db->insert(array('firstname'=>'john', 'lastname'=>'doh'),'my_table'); Same syntax for replace and update, if your table uses a different Primary Key from "id" on update you need to specify your primary key as so $db->update(array('firstname'=>'john', 'lastname'=>'doh'),'my_table', 'user_id'); * Will Automaticly switch ' charecter with ` on string (can be set to use mysql_escape_string or anything else instead) Get Last Insert ID $db->getInsertId(); Transactions: to begin a transaction use $db->begin(); following will commit or rollback if a failure had accured in the transaction (will return true for commit and false if rollback) $db->commit(); Backup Table - will backup a whole table and add the date to the new table name $db->backupTable('my_table); For easy debug turn debugging on $db->debug = true;