rfc:pdov1
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| rfc:pdov1 [2008/05/06 14:36] – reorganized for better clarity lsmith | rfc:pdov1 [2014/04/08 22:50] – Inactive levim | ||
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| * Date: 2008-03-06 | * Date: 2008-03-06 | ||
| * Author: Lukas Smith < | * Author: Lukas Smith < | ||
| - | * Status: | + | * Status: |
| This RFC aims to collect a set of ideas to improve PDO version 1. These ideas will hopefully end up in a set of concret feature requests and patches. | This RFC aims to collect a set of ideas to improve PDO version 1. These ideas will hopefully end up in a set of concret feature requests and patches. | ||
| Line 18: | Line 18: | ||
| A lot in PDO can be fixed without a new major version. | A lot in PDO can be fixed without a new major version. | ||
| - | |||
| ===== Proposal and Patch ===== | ===== Proposal and Patch ===== | ||
| - | * Fix differences in behavior for data fetches (possibly add a compatibility mode in order to maintain BC) | + | |
| - | * Add a common syntax | + | * Add a common syntax to specify the DSN along the lines of the PEAR DSN format |
| + | * Add ability to generate a properly quoted comma separated list to be embedded in a query inside an IN() clause (see [[http:// | ||
| + | * Higher level emulation features | ||
| + | | ||
| + | * Add ability | ||
| + | * Add limited sub select emulation (see [[http:// | ||
| + | * A class for administrative functionality which can come in handy for projects like phpMyAdmin. (possibly partially in userland) | ||
| + | * Nested transaction emulation via SAVEPOINTs | ||
| + | * Emulate scrollable cursors via buffered result sets | ||
| * Prepared statements | * Prepared statements | ||
| * Fix differences in when bind/ | * Fix differences in when bind/ | ||
| * Add ability to bind short binary values | * Add ability to bind short binary values | ||
| * Improve the prepared statement emulation parser to better deal with quoted strings that contain things that look like a placeholder | * Improve the prepared statement emulation parser to better deal with quoted strings that contain things that look like a placeholder | ||
| + | * Make it possible to disable parsing and rewriting of placeholders and require the use of the given native syntax (:name, $name, ? etc.) | ||
| * Fix the problems with ODBC prepared statements when executing procedures on all platforms. | * Fix the problems with ODBC prepared statements when executing procedures on all platforms. | ||
| * Add support for PDO:: | * Add support for PDO:: | ||
| - | | + | |
| + | * Do not force the use of prepared statements internally for simple queries without any parameters | ||
| + | * Optionally only use native prepared statement for SQL injection protection, but leverage the ability | ||
| * Improve documentation | * Improve documentation | ||
| - | * Add ability to manage connection session aspects like charset/ | ||
| - | * Add limited sub select emulation (see [[http:// | ||
| * Add support of multiple resultsets for mssql and odbc on all platforms. | * Add support of multiple resultsets for mssql and odbc on all platforms. | ||
| - | | + | * Add ability to retrieve the parameters set in the constructor (like DSN etc.) |
| - | | + | * Add ability to determine the state of the connection/ |
| * Make sure PDO classes implement interfaces so that frameworks can use it as a generic data access interface and implement native driver versions of it if needed (esp. PDOStatement). | * Make sure PDO classes implement interfaces so that frameworks can use it as a generic data access interface and implement native driver versions of it if needed (esp. PDOStatement). | ||
| * OCI8 has some persistent connection tuning parameters like timeout, max_connections, | * OCI8 has some persistent connection tuning parameters like timeout, max_connections, | ||
| Line 42: | Line 50: | ||
| * Making quoting function aware of encoding in PDO (add quoting for identifier & value) | * Making quoting function aware of encoding in PDO (add quoting for identifier & value) | ||
| * Improved error handling and debugging | * Improved error handling and debugging | ||
| - | * Add some better debugging hooks (like a way to get the last submitted statement, this is important especially when PDO does some rewriting like with prepared statements) | + | * Add some better debugging hooks (like a [[bugid@44319|way to get the last submitted statement]], this is important especially when PDO does some rewriting like with prepared statements) |
| * For consistency it would be good to clear errors on every call and provide facility to expose multiple notices/ | * For consistency it would be good to clear errors on every call and provide facility to expose multiple notices/ | ||
| * Throw an exception if a fetch method is call on a statement that has not been executed at least once | * Throw an exception if a fetch method is call on a statement that has not been executed at least once | ||
| - | | + | |
| * Full blown Metadata APIs ala JDBC (important for higher-level DB layers). (possibly partially in userland) | * Full blown Metadata APIs ala JDBC (important for higher-level DB layers). (possibly partially in userland) | ||
| * Test suite which DB driver authors can use for compliance testing. | * Test suite which DB driver authors can use for compliance testing. | ||
| - | |||
| - | |||
| ==== Rejected Features ==== | ==== Rejected Features ==== | ||
| Line 57: | Line 63: | ||
| ==== More about PDO ==== | ==== More about PDO ==== | ||
| - | * http:// | + | * http:// |
| + | * http:// | ||
| + | * http:// | ||
| ==== References ==== | ==== References ==== | ||
rfc/pdov1.txt · Last modified: 2017/09/22 13:28 by 127.0.0.1