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