Mysql Mysqli Returning No Rows Even Though It Has Valid Sql And Php

Mysql Mysqli Returning No Rows Even Though It Has Valid Sql And Php To eliminate this possibility temporarily, try replacing that rand () with a fixed number, like 0.5, say, in both queries, and then see if they get the same result. B.3.4.7 solving problems with no matching rows if you have a complicated query that uses many tables but that returns no rows, you should use the following procedure to find out what is wrong:.

Mysql Mysqli Returning No Rows Even Though It Has Valid Sql And Php For example, a table 'accounts users' has 4269 rows. but when i try to select any values using select username from accounts users;, i get 0 rows back or 'empty set' result. It's unlikely that there is some bug preventing mysqli query from returning. odds are that your query is taking a very long time to complete (you can check this on the mysql server itself) or there is something else happening you aren't aware of perhaps that the method isn't even being called at all?. Learn what happens when a mysql query returns no rows and how to handle such situations effectively in your applications. For successful select, show, describe or explain queries mysqli query () will return a mysqli result object. for other successful queries mysqli query () will return true.

Mysql Mysqli Returning No Rows Even Though It Has Valid Sql And Php Learn what happens when a mysql query returns no rows and how to handle such situations effectively in your applications. For successful select, show, describe or explain queries mysqli query () will return a mysqli result object. for other successful queries mysqli query () will return true. I have a fragment of code that i am trying to check something in my database that is not returning the correct select value. i have a form that displays data from the database that will be updated. If you have not executed the query correctly or the result set is empty, calling the mysqli num rows () function will result in an error. you can use the return value of the mysqli query () function to verify if the query operation was successful. In that case, you can use a left join on a dummy field to force mysql to return a null record instead of returning no rows. you can then use a case statement to convert that null into something more descriptive. Everything was working fine until i got to the part where we had to create the new password and anytime i submit the new password, it receives an error essentially saying that there are no rows in the database, or at least i believe that is what the error is.

Php Mysqli Not Returning All Rows Stack Overflow I have a fragment of code that i am trying to check something in my database that is not returning the correct select value. i have a form that displays data from the database that will be updated. If you have not executed the query correctly or the result set is empty, calling the mysqli num rows () function will result in an error. you can use the return value of the mysqli query () function to verify if the query operation was successful. In that case, you can use a left join on a dummy field to force mysql to return a null record instead of returning no rows. you can then use a case statement to convert that null into something more descriptive. Everything was working fine until i got to the part where we had to create the new password and anytime i submit the new password, it receives an error essentially saying that there are no rows in the database, or at least i believe that is what the error is.