Contents
How do you know if an eloquent query is empty?
“how to check if query result is empty laravel” Code Answer’s
- if ($result->first()) { }
- if (!$ result->isEmpty()) { }
- if ($result->count()) { }
- if (count($result)) { }
How do I check if a query is empty in PHP?
So just use the following code to get the results. php $sql = mysql_query(“SELECT * FROM table”); if(mysql_num_rows($sql) > 0){ $final_query = “UPDATE Kv_table_name SET user_id=”. $user_id.” user_name=”.
How do I check if a laravel is empty?
“laravel check if model is empty” Code Answer’s
- if ($result->first()) { }
- if (!$ result->isEmpty()) { }
- if ($result->count()) { }
- if (count($result)) { }
How do I find out if a collection is empty?
The isEmpty() of java. util. Collection interface is used to check if the Collection upon which it is called is empty or not. This method does not take any parameter and does not returns any value.
How to check if mysql query has result?
Laravel query builder will return a collection, so you can just use the isEmpty function to find out if it has any results. If you are using a Laravel version pre-5.3, the query builder will return an array. In this case, you can use the php count function on this array to know how many rows are returned
How to check if query returns any rows without a result?
– Mark ByersMay 21 ’10 at 19:42 it is not clear if you want a result set returned and then check if any rows were int it, or if you just want to check if a query returns any rows without a result set?? – KM. May 21 ’10 at 19:53
How to check if there are any results in resultset?
Best to use ResultSet.next () along with the do {…} while () syntax for this. The “check for any results” call ResultSet.next () moves the cursor to the first row, so use the do {…} while () syntax to process that row while continuing to process remaining rows returned by the loop.
Can I see historical queries run on SQL Server database?
– Database Administrators Stack Exchange Can I see Historical Queries run on a SQL Server database? Someone was running a query on our SQL Server database remotely and their system crashed. They have no backup of that query and want to see what was run on the server.