Trait PDODriverTrait

_connect()source protected

_connect( string $dsn , array $config )

Establishes a connection to the database server

Parameters

string $dsn

A Driver-specific PDO-DSN

array $config

configuration to be used for creating connection

Returns

boolean
true on success

beginTransaction()source public

beginTransaction( )

Starts a transaction

Returns

boolean
true on success, false otherwise

commitTransaction()source public

commitTransaction( )

Commits a transaction

Returns

boolean
true on success, false otherwise

connection()source public

connection( null|PDO $connection null )

Returns correct connection resource or object that is internally used If first argument is passed, it will set internal connection object or result to the value passed

Parameters

null|PDO $connection optional null

The PDO connection instance.

Returns

PDO
connection object used internally

disconnect()source public

disconnect( )

Disconnects from database server

isConnected()source public

isConnected( )

Checks whether or not the driver is connected.

Returns

boolean

lastInsertId()source public

lastInsertId( string|null $table null , string|null $column null )

Returns last id generated for a table or sequence in database

Parameters

string|null $table optional null

table name or sequence to get last insert value from

string|null $column optional null

the name of the column representing the primary key

Returns

string|integer

prepare()source public

prepare( string|Cake\Database\Query $query )

Prepares a sql statement to be executed

Parameters

string|Cake\Database\Query $query

The query to turn into a prepared statement.

Returns

Cake\Database\StatementInterface

quote()source public

quote( mixed $value , string $type )

Returns a value in a safe representation to be used in a query string

Parameters

mixed $value

The value to quote.

string $type

Type to be used for determining kind of quoting to perform

Returns

string

rollbackTransaction()source public

rollbackTransaction( )

Rollback a transaction

Returns

boolean
true on success, false otherwise

supportsQuoting()source public

supportsQuoting( )

Checks if the driver supports quoting, as PDO_ODBC does not support it.

Returns

boolean