Count in mysql code igniter

I'm very new to CodeIgniter and Active Record in particular, I know how to do this well in normal SQL but I'm trying to learn. How can I select some data from one of my tables, and then count how many rows are returned using CodeIgniters Active Record class? I think you should count the results with FOUND_ROWS() and SQL_CALC_FOUND_ROWS. You'll need two queries: select, group_by, etc. You'll add a plus select: SQL_CALC_FOUND_ROWS user_id. After this query run a query: SELECT FOUND_ROWS(). This will return the desired number. Not the answer you're looking for? Browse other questions tagged php mysql codeigniter or ask your own question.

Count in mysql code igniter

$this->db->limit(10, 20); // Produces: LIMIT 20, 10 (in MySQL. Example: echo $ this->db->count_all_results('my_table'); // Produces an integer, like Chat with fellow EECMS users in the 'Active Record: COUNT WHERE? A general rule of thumb - perform as many operations on the MySQL server as . Here is a first post reply from a total PHP-SQL-CodeIgniter NOOB. [eluser]Neoraj[/eluser] Hi I am getting trouble to echo a count of 3 to my view but it works fine when i test in the Controller: Please help. When this is the case, all of the data is prefetched and count() is manually called on the resulting array in order to achieve the same result. num_fields(). In this page we have discussed how to use MySQL COUNT() with DISTINCT. Code: SELECT cate_id,COUNT(DISTINCT(pub_lang)). $query = $this->db->query("SELECT COUNT(*) AS total FROM comments WHERE `level`= 4"); filessearchbestnowfilmsfirst.info html. This post will treat the case of one record treatment and counting in active record through the CodeIgniter' core. Suppose you are displaying a. If you look at the db_result() documentation for Drupal 6: function db_result($ result) { if ($result && mysql_num_rows($result) > 0) { // The. Learn how to count query result in codeigniter and count number of rows in table in codeigniter. Use active records function num_rows() to. Ordering results; Limiting or Counting Results; Query grouping; Inserting Data; Updating Data .. $this->db->limit(10, 20); // Produces: LIMIT 20, 10 (in MySQL. If you want to get a count of each of the ID's, add GROUP BY id to the end of the string. Performance-wise, don't ever ever ever use * in your queries. If there is unique fields in a table and you want to get them all, you write out all , not *. The results are in! See what nearly 90, developers picked as their most loved, dreaded, and desired coding languages and more in the Developer Survey. What I want to do is I want to count the total records from the table called "songs_tbl" from my database. So I wrote this function in controller. private function getHeaderInfo() { $. Sep 13,  · CodeIgniter Forums > CodeIgniter Archived (from EllisLab) > Archived General Discussion > how to display mysql count on database item to view Full Version: how to display mysql count on database item to view. Not the answer you're looking for? Browse other questions tagged php mysql codeigniter or ask your own question. I have two table portal and login filessearchbestnowfilmsfirst.info to get count of portal_id in login table and join with portal table. If there is no matching row exists in login table show as null value Browse other questions tagged mysql codeigniter or ask your own question. asked. 1 month ago. viewed. 44 times. active. 1 . I'm very new to CodeIgniter and Active Record in particular, I know how to do this well in normal SQL but I'm trying to learn. How can I select some data from one of my tables, and then count how many rows are returned using CodeIgniters Active Record class? I think you should count the results with FOUND_ROWS() and SQL_CALC_FOUND_ROWS. You'll need two queries: select, group_by, etc. You'll add a plus select: SQL_CALC_FOUND_ROWS user_id. After this query run a query: SELECT FOUND_ROWS(). This will return the desired number.

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7 - Codeigniter Tutorials - Select or Fetch Data from Mysql Database, time: 12:07
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