Not returning 1 if record string is starting with letter

[cholopa]

Hello:

I have, what I think is a very strange issue, if I run this statement from Arduino:

query[] ="SELECT RFIDTAG FROM table1 WHERE RFIDTAG='2M22321321AA'";

It works(returns 1), and if a change the first characther of the search text to any number(and also change it in the database) it works fine. But if I change the first character to a letter (and also change it in the database) it returns zero.

If I execute the statement from phpadmin, it works fine, no matter if first character is a letter or a number..., so I understand the issue must be coming from the MySQL connector.

Can anyone help me please?

[ChuckBell]

May we see the table definition?On Oct 13, 2024, at 18:20, cholopa @.***> wrote: Helo: I have, what I think is a very strange issue, if I run this statement from Arduino: query[] ="SELECT RFIDTAG FROM table1 WHERE RFIDTAG='2M22321321AA'"; It works(returns 1), and if a change the first characther to any number(and also change it in the database of course) it works fine. But if I change the first character to a letter (and also change it in the database of course) it returns zero. If I execute the statement from phpadmin, it works fine, no matter if first character is a letter or a number..., so I understand the issue must be coming from the MySQL connector. Can anyone help me please?

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[cholopa]

Hi

Thanks for the quick replay, here you can see the defintion:

I have tried changing the column type (text, medium text..etc), all with the same result. Let me also insist in the fact, that executing the query from phpMyAdmin works fine.

[ChuckBell]

Hi. Please try changing the language for the table. There may be an issue there.

Which version of MySQL are you using?

On Mon, Oct 14, 2024 at 13:15 cholopa @.***> wrote:

Hi

Tghanks for thye quick replay, here you can see the defintiion:

image.png (view on web) https://github.com/user-attachments/assets/59755cf7-c430-4980-8ae8-f50252b13782

I have tried changing the column type (text, medium text..etc), all with the smae result. Let me also insist in the fact, that executing the query from php works fine.

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[cholopa]

I don't understand what you mean by changing the lenguage of the table.

I'm working with Mariadb. I was using MySQL_MariaDB_Generic connector and this issue arrise. I tryed to contact support for that connector, but they is no more support... So I have change to MYSQL connector, but still same issue....

[ChuckBell]

Aha. Well, the issue may be that the connector is not guaranteed to work with non-Oracle distributions of MySQL. Sorry. I will try to reproduce the problem and get back to you. Maybe I can find something to help you.

On Tue, Oct 15, 2024 at 18:04 cholopa @.***> wrote:

I don't understand what you mean by changing the lenguage of the table.

I'm working with Mariadb. I was using MySQL_MariaDB_Generic connector and this issue arrise. I tryed to contact support for that connector, but they is no more support... So I have change to MYSQL connector, but still same issue....

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[cholopa]

Ok, thanks for your support, In the meantime I think I can "bypass" the issue, artificially adding always a number (as you may have notice, I'm getting the value from a "serial number" of an RFID TAG).