v5:database:pdo
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v5:database:pdo [2019/12/28 19:24] – [pdo_sqlsrv] mnewnham | v5:database:pdo [2022/02/20 23:47] (current) – [Setting Construction Parameters] mnewnham | ||
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====== PDO ====== | ====== PDO ====== | ||
~~NOTOC~~ | ~~NOTOC~~ | ||
+ | |||
===== Description ===== | ===== Description ===== | ||
- | This driver supports connections using the standardized [[http:// | + | |
+ | This driver supports connections using the standardized [[http:// | ||
+ | |||
+ | Supported | ||
^PHP Driver^Description^ADOdb Connector^ | ^PHP Driver^Description^ADOdb Connector^ | ||
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|pdo_sqlsrv|SQL Server using Windows Native Client|sqlsrv| | |pdo_sqlsrv|SQL Server using Windows Native Client|sqlsrv| | ||
+ | <WRAP important> | ||
+ | Note that the //pdo// driver cannot be used on its own. It is a technical component that is used internally by the above drivers. | ||
+ | </ | ||
+ | |||
+ | |||
===== Establishing A Connection ===== | ===== Establishing A Connection ===== | ||
To establish a connection, the **//DSN//** style of connection must be used, the first argument of the DSN string being the database type, e.g. to connect to a MySQL database: | To establish a connection, the **//DSN//** style of connection must be used, the first argument of the DSN string being the database type, e.g. to connect to a MySQL database: | ||
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===== Preferred Drivers ===== | ===== Preferred Drivers ===== | ||
- | In all cases, using native drivers (listed below) provide better functionality, | + | |
+ | Using ADOdb effectively eliminates the need to use the PHP PDO driver as it hides the PHP level command: | ||
+ | |||
+ | * It provides true database abstraction, | ||
+ | * In all cases, using native drivers (listed below) provide better functionality, | ||
+ | |||
+ | |||
+ | ===== Setting Construction Parameters ===== | ||
+ | Certain attributes need to be passed to the [[https:// | ||
+ | |||
+ | <code php> | ||
+ | $db = newAdoConnection(' | ||
+ | |||
+ | $db-> | ||
+ | \PDO:: | ||
+ | ]; | ||
+ | |||
+ | $dsnString= ' | ||
+ | $db-> | ||
+ | |||
+ | </ | ||
===== The PDO setAttribute function ===== | ===== The PDO setAttribute function ===== | ||
- | As of ADOdb 5.21, the PDO:: | + | For parameters that are set after the class is instantiated, The PDO:: |
===== Individual Driver Status ==== | ===== Individual Driver Status ==== | ||
----------------------- | ----------------------- | ||
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==== pdo_firebird ==== | ==== pdo_firebird ==== | ||
- | <WRAP info> | ||
- | This driver is available from version 5.21 | ||
- | </ | ||
<WRAP right box round 300px> | <WRAP right box round 300px> | ||
== Native Driver == | == Native Driver == | ||
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</ | </ | ||
+ | |||
+ | {{tag> | ||
+ |
v5/database/pdo.1577557481.txt.gz · Last modified: 2019/12/28 19:24 by mnewnham