So I read the manual where it says to use mysql_affected_rows() for everything except SELECT and SHOW, and use mysql_num_rows() for those two, which actually return a result. Description mixed mysqli_affected_rows ( object link). In SELECT statements, mysql_affected_rows() works like mysql_num_rows(). Hi. MySQL Forums Forum List » Newbie. Studying the paragraph of the myODBC driver i've found the following phrase: "The client can't handle that MySQL returns the true value of aected rows. It has been closed. PHP uses mysql_affected_rows( ) function to find out how many rows a query changed. The ROW_COUNT function is the mysql_affected_rows equivalent in MySQL.. Keep in mind that the query browser is just a development tool. Returns the number of affected rows by the last operation associated with mysql, if the operation was an "upsert" (INSERT, UPDATE, DELETE or REPLACE) statement, or -1 if the last query failed. Bug #23383: mysql_affected_rows() returns different values than mysql_stmt_affected_rows() Submitted: 17 Oct 2006 17:42: Modified: 30 Nov 2006 20:21 mysql_affected_rows() question. Affected Rows from Update Query. mysqli_affected_rows() returns the number of rows affected by the last INSERT, UPDATE, or DELETE query associated with the provided link parameter. Need help? Advanced Search. mysql_affected_rows() ใช้นับจำนวนแถวที่ได้รับผลกระทบจากการประมวลผลคำสั่ง INSERT, UPDATE, DELETE ไปยังฐานข้อมูล Posted by: Neil Young Date: May 17, 2010 11:40AM Hi There, I am trying to find the affected rows from an update using a prepared query in MySql but … Post your question and get tips & solutions from a community of 464,342 IT Pros & Developers. PHP Forums on Bytes. Returns the number of the last UPDATE , DELETE, INSERT. They wouldn't need the procedure to use the ROW_COUNT function. If the last query was a DELETE query with no WHERE clause, all of the records will have been deleted from the table but this function will return zero with MySQL versions prior to 4.1.2. Return Values. Content reproduced on this site is the property of the respective copyright holders. It doesn't execute queries the same way a PHP or JSP script would. Description. i'm new to mysql and for now i'm only studying the manual. New Topic. Here mysql_affected_rows() returns the number of rows affected by the last INSERT, UPDATE or DELETE query associated with link_identifier, this should be called before commit. This function basically returns the number of affected rows in the previous SELECT, INSERT, UPDATE, REPLACE, or DELETE query. When using UPDATE query, MySQL will not update columns where the new value is same as the old value. Sorry, you can't reply to this topic. If the last query was invalid, this function will return -1. 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