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Bug #47450 ODBC bug
Submitted: 2009-02-19 15:35 UTC Modified: 2009-02-23 03:30 UTC
From: stefan at konink dot de Assigned:
Status: Not a bug Package: ODBC related
PHP Version: 5.3.0beta1 OS: Linux
Private report: No CVE-ID: None
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 [2009-02-19 15:35 UTC] stefan at konink dot de
Description:
------------
http://bugs.php.net/6275

Basically that bug still exists. What goes wrong is the following:

The ODBC specifications are very explicit about the ParameterType, if it is not present aka 0, it will bug.

Reproduce code:
---------------
<?php
$a = 1;
$b = 2;
$c = 3;
$stmt    = odbc_prepare($conn, 'CALL myproc(?,?,?)');
$success = odbc_execute($stmt, array($a, $b, $c));
?>


Expected result:
----------------
The expected is an integer/numeric assignment at binding.

Actual result:
--------------
0 is assigned, thus fails on any database that is explicit about this.

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 [2009-02-19 21:42 UTC] jani@php.net
Not enough information was provided for us to be able
to handle this bug. Please re-read the instructions at
http://bugs.php.net/how-to-report.php

If you can provide more information, feel free to add it
to this bug and change the status back to "Open".

Thank you for your interest in PHP.



 [2009-02-19 21:58 UTC] stefan at konink dot de
Check ODBC specs of Microsoft. 

ParameterType Argument

This must be one of the values listed in the SQL Data Types section of Appendix D: Data Types, or it must be a driver-specific value. This argument sets the SQL_DESC_TYPE, SQL_DESC_CONCISE_TYPE, and SQL_DESC_DATETIME_INTERVAL_CODE fields of the IPD.

If the ParameterType argument is one of the datetime identifiers, the SQL_DESC_TYPE field of the IPD is set to SQL_DATETIME, the SQL_DESC_CONCISE_TYPE field of the IPD is set to the concise datetime SQL data type, and the SQL_DESC_DATETIME_INTERVAL_CODE field is set to the appropriate datetime subcode value.

If ParameterType is one of the interval identifiers, the SQL_DESC_TYPE field of the IPD is set to SQL_INTERVAL, the SQL_DESC_CONCISE_TYPE field of the IPD is set to the concise SQL interval data type, and the SQL_DESC_DATETIME_INTERVAL_CODE field of the IPD is set to the appropriate interval subcode. The SQL_DESC_DATETIME_INTERVAL_PRECISION field of the IPD is set to the interval leading precision, and the SQL_DESC_PRECISION field is set to the interval seconds precision, if applicable. If the default value of SQL_DESC_DATETIME_INTERVAL_PRECISION or SQL_DESC_PRECISION is not appropriate, the application should explicitly set it by calling SQLSetDescField. For more information about any of these fields, see SQLSetDescField.

If the ValueType argument is a SQL_NUMERIC data type, the default precision (which is driver-defined) and the default scale (0), as set in the SQL_DESC_PRECISION and SQL_DESC_SCALE fields of the IPD, are used for the data. If the default precision or scale is not appropriate, the application should explicitly set the descriptor field by a call to SQLSetDescField or SQLSetDescRec.

For information about how data is converted, see Converting Data from C to SQL Data Types and Converting Data from SQL to C Data Types in Appendix D: Data Types.


PHP always passes '0'... thus a 'strict' implementation of PHP results in the error mentioned earlier.
 [2009-02-19 22:03 UTC] stefan at konink dot de
Replace last PHP with ODBC driver.
 [2009-02-23 03:30 UTC] stefan at konink dot de
Nvm; PHP does do Describe. Driver didn't handle it.
 
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