Re: Count all rows if limit by?

[Victor Spång Arthursson]

Thanks a lot, Jigal and Egor - just what i searched for!

Sincerely

Victor

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Count all rows if limit by?

[Victor Spång Arthursson]

Hi all!

Is there a simple way to get the total number of rows a result _should_ 
have had if no where-clause where present? Without doing a second 
query?

Sincerely

Victor

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Re: Count all rows if limit by?

[Jigal van Hemert]

From: Victor Spång Arthursson [EMAIL PROTECTED]
 Is there a simple way to get the total number of rows a result _should_
 have had if no where-clause where present? Without doing a second
 query?

Example from http://www.mysql.com/doc/en/Information_functions.html :

mysql SELECT SQL_CALC_FOUND_ROWS * FROM tbl_name
   WHERE id  100 LIMIT 10;
mysql SELECT FOUND_ROWS();

Available since 4.0.0.; in versions prior to 4.1.0. this didn't work with
LIMIT 0.
Regards, Jigal.



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Re: Count all rows if limit by?

[Egor Egorov]

Victor Sp?ng Arthursson [EMAIL PROTECTED] wrote:
 Hi all!
 
 Is there a simple way to get the total number of rows a result _should_ 
 have had if no where-clause where present? Without doing a second 
 query?
 

If you want to get total number of rows in the table (without WHERE and without LIMIT) 
you should execute
SELECT COUNT(*) FROM table_name;

If you want to obtain number of rows the statement would have returned without the 
LIMIT clause, you can specify SQL_CALC_FOUND_ROWS keyword in the SELECT statement and 
then use FOUND_ROWS() function:
http://www.mysql.com/doc/en/Information_functions.html



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