mysql_affected_rows in mysql

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