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Reply to topic   Topic: apache - mysql only taking some data
Author
bgengine



Joined: 30 Apr 2019
Posts: 3
Location: ireland

PostPosted: Tue 30 Apr '19 14:26    Post subject: apache - mysql only taking some data Reply with quote

Hi
I have a Raspberry Pi with Apache and Marai / mysql installed.

I have a store.php file on this server.
I call this PHP file on my remote device and use it to save data to the MYSQL database

(INSERT INTO `P4`(`Time_Stamp`, `Location`, `Readings`) VALUES ("2019-04-29 19:24:25","WaterPump",0.00))

this store.php file is called every 2 seconds automatically by my remote device.

For some reason this works for 30 minutes :
the Store.php will return the following each time.

200
Connected successfully
!!!!INSERT INTO `P4`(`Time_Stamp`, `Location`, `Readings`) VALUES ("2019-04-29 19:05:37","WaterPump",0.00)
<h1>THE DATA HAS BEEN SENT!!</h1>


The "200" tells me the data was store successfully.

.....But after 30 minutes I get the following..

500
Connected successfully
!!!!INSERT INTO `P4`(`Time_Stamp`, `Location`, `Readings`) VALUES ("2019-04-29 19:05:37","WaterPump",0.00)


the "500" tells me I have an "Internal Server Error ".

However after another 30 minutes .. it start working again - with oput me doing anything to fix it ... but only for another 30 minutes .. this keeps repeating every 30 minutes.

I'm new to Apache / mysql so am not very familiar with this .. can any suggest what my problem might be ?

thanks
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spser



Joined: 29 Aug 2016
Posts: 62

PostPosted: Tue 30 Apr '19 15:01    Post subject: Reply with quote

SHOW CREATE TABLE `P4`;
Please send the table structure information

Ps: In addition, your code should be added to the error correction function. Refer to the following code.

Code:

$sql = 'INSERT INTO `P4`(`Time_Stamp`, `Location`, `Readings`) VALUES ("2019-04-29 19:24:25","WaterPump",0.00)';
if ($mysqli->query($sql) === TRUE) {
    printf("successfully\n");
}else{
   printf("Error: %s\n", $mysqli->error);
}
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bgengine



Joined: 30 Apr 2019
Posts: 3
Location: ireland

PostPosted: Tue 30 Apr '19 16:11    Post subject: Reply with quote

Ok, thanks for your responce... I'll get this added information and post it here when I get home . thank so much
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bgengine



Joined: 30 Apr 2019
Posts: 3
Location: ireland

PostPosted: Tue 30 Apr '19 19:27    Post subject: Reply with quote

Hi, is this what you are looking for ?


Your SQL query has been executed successfully.

SHOW CREATE TABLE `P4`



P4

CREATE TABLE `P4` (
`id` mediumint(9) NOT NULL AUTO_INCREMENT,
`Time_Stamp` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`Location` varchar(10) NOT NULL DEFAULT '',
`Readings` float NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=59708 DEFAULT CHARSET=utf8mb4
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