FYI, this error has really been resolved. Deployed a fix under version 1.1.3., for more info see Stack Overflow: - https://stackoverflow.com/questions/65077831/monetdb-php-error-on-parameteri... https://stackoverflow.com/questions/65077831/monetdb-php-error-on-parameteri... Updated the user doc: - https://github.com/MonetDB/MonetDB-PHP#example-3-parameterized-query-with-pr... https://github.com/MonetDB/MonetDB-PHP#example-3-parameterized-query-with-pr... And the protocol doc: - https://github.com/MonetDB/MonetDB-PHP/blob/master/protocol_doc/README.md#7-... https://github.com/MonetDB/MonetDB-PHP/blob/master/protocol_doc/README.md#7-...

On 8 Dec 2020, at 10:45, Ying Zhang wrote:

Hai Kevork,

Our MonetDB/PHP expert has answered this question in Stack Overflow:

https://stackoverflow.com/questions/65077831/monetdb-php-error-on-parameteri... https://stackoverflow.com/questions/65077831/monetdb-php-error-on-parameteri...

For users on this list, this is the Stack Overflow answer:

the problem is that the "birth_date" field is not of a "date-time" type, but it's "date" only. So just remove "12:37:16" and it will work. The "char" type is converted to "date" by MonetDB itself, "date" doesn't have a specific literal in the SQL language. This works, I tested:

$result = $connection->Query(<< ? and "birth_date" < ? limit 10 EOF , [ "D'artagnan", 5.3, "2020-02-28" ]);

Regards, Jennie

...

On 7 Dec 2020, at 04:23, Kevork Vartanian mailto:kev@innotta.com.au> wrote:

Hi Sjoerd,

Thank you for getting back to me.

My colleague tested what you suggested and got the same error so it is still failing. He is certain he is passing the correct value as he is able to execute the same query in raw format, so he believed it has to do with the way params are implemented. I'm no expert but he said it looks like an error from C language.

Please advise.

Thank you.

Regards,

Kevork Vartanian

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1. MonetDB-PHP Error on parameterized query with timestamp (Kevork Vartanian) 2. Re: MonetDB-PHP Error on parameterized query with timestamp (Sjoerd Mullender)

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Hi,

The below is from my colleague who is not a member on this list, so I'm sending on his behalf.

I'm using MonetDB with MonetDB-PHP library.

I have followed the documentation from: https://github.com/MonetDB/MonetDB-PHP https://github.com/MonetDB/MonetDB-PHP

Everything is working fine, but if I set parameter for timestamp type column I get the following error:

Error from MonetDB: 42000!Wrong type for argument 1 of function call: char, expected timestamp

For example, this is working:

$result = $connection->Query(' select * from "cats" where "name" = ? and "weight_kg" > ? limit 10', [ "D'artagnan", 5.3 ]);

but this will not work:

$result = $connection->Query(' select * from "cats" where "name" = ? and "weight_kg" > ? and "birthdate" < ? // timestamp data type limit 10 ', [ "D'artagnan", 5.3, "2020-02-28 12:37:16" ]);

The error occurs for any column that is of timestamp type and only when passing value as parameter.

What am I doing wrong?

Thank you.

Regards,

Kevork Vartanian

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