mysql_affected_rows in mysql

Hi. When using UPDATE query, MySQL will not update columns where the new value is same as the old value. This function basically returns the number of affected rows in the previous SELECT, INSERT, UPDATE, REPLACE, or DELETE query. It doesn't execute queries the same way a PHP or JSP script would. The ROW_COUNT function is the mysql_affected_rows equivalent in MySQL.. Keep in mind that the query browser is just a development tool. They wouldn't need the procedure to use the ROW_COUNT function. 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. compile with gcc mysql_affected_rows.c -o mysql_affected_rows `mysql_config –cflags –libs` -Wall mysql_affected_rows() question. 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 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. Affected Rows from Update Query. Returns the number of the last UPDATE , DELETE, INSERT. New Topic. However, I wrote this little script below where I find that mysql_num_rows() returns exactly the same output in the case of SELECT, as mysql_affected_rows(). 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. Description. PHP Forums on Bytes. Return Values. Description mixed mysqli_affected_rows ( object link). Syntax my_ulonglong mysql_affected_rows(MYSQL * mysql); mysql is a connection identifier, which was previously allocated by mysql_init() or mysql_real_connect().. Sorry, you can't reply to this topic. Post your question and get tips & solutions from a community of 464,342 IT Pros & Developers. mysql_affected_rows() ใช้นับจำนวนแถวที่ได้รับผลกระทบจากการประมวลผลคำสั่ง INSERT, UPDATE, DELETE ไปยังฐานข้อมูล i'm new to mysql and for now i'm only studying the manual. It has been closed. Returns the number of affected rows on success, and -1 if the last query failed. If the last query was invalid, this function will return -1. 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 … MySQL Forums Forum List » Newbie. mysqli_affected_rows() returns the number of rows affected by the last INSERT, UPDATE, or DELETE query associated with the provided link parameter. Can be called for UPDATE, DELETE, or INSERT statements directly to mysql_query(). 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. Advanced Search. Content reproduced on this site is the property of the respective copyright holders. PHP uses mysql_affected_rows( ) function to find out how many rows a query changed. If this ag is set then MySQL returns 'found rows' instead." Need help? 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. In SELECT statements, mysql_affected_rows() works like mysql_num_rows(). -Wall Return Values UPDATE columns where the new value is same as the old value property of the copyright. Returns the number of affected rows on success, and -1 if the last UPDATE, DELETE, DELETE... 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