1 | <?php |
---|
2 | /* |
---|
3 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
---|
4 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
---|
5 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
---|
6 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
---|
7 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
---|
8 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
---|
9 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
---|
10 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
---|
11 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
---|
12 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
---|
13 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
---|
14 | * |
---|
15 | * This software consists of voluntary contributions made by many individuals |
---|
16 | * and is licensed under the LGPL. For more information, see |
---|
17 | * <http://www.doctrine-project.org>. |
---|
18 | */ |
---|
19 | |
---|
20 | namespace Doctrine\DBAL\Driver; |
---|
21 | |
---|
22 | use \PDO; |
---|
23 | |
---|
24 | /** |
---|
25 | * Statement interface. |
---|
26 | * Drivers must implement this interface. |
---|
27 | * |
---|
28 | * This resembles (a subset of) the PDOStatement interface. |
---|
29 | * |
---|
30 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi> |
---|
31 | * @author Roman Borschel <roman@code-factory.org> |
---|
32 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
---|
33 | * @link www.doctrine-project.org |
---|
34 | * @since 2.0 |
---|
35 | */ |
---|
36 | interface Statement extends ResultStatement |
---|
37 | { |
---|
38 | /** |
---|
39 | * Binds a value to a corresponding named or positional |
---|
40 | * placeholder in the SQL statement that was used to prepare the statement. |
---|
41 | * |
---|
42 | * @param mixed $param Parameter identifier. For a prepared statement using named placeholders, |
---|
43 | * this will be a parameter name of the form :name. For a prepared statement |
---|
44 | * using question mark placeholders, this will be the 1-indexed position of the parameter |
---|
45 | * |
---|
46 | * @param mixed $value The value to bind to the parameter. |
---|
47 | * @param integer $type Explicit data type for the parameter using the PDO::PARAM_* constants. |
---|
48 | * |
---|
49 | * @return boolean Returns TRUE on success or FALSE on failure. |
---|
50 | */ |
---|
51 | function bindValue($param, $value, $type = null); |
---|
52 | |
---|
53 | /** |
---|
54 | * Binds a PHP variable to a corresponding named or question mark placeholder in the |
---|
55 | * SQL statement that was use to prepare the statement. Unlike PDOStatement->bindValue(), |
---|
56 | * the variable is bound as a reference and will only be evaluated at the time |
---|
57 | * that PDOStatement->execute() is called. |
---|
58 | * |
---|
59 | * Most parameters are input parameters, that is, parameters that are |
---|
60 | * used in a read-only fashion to build up the query. Some drivers support the invocation |
---|
61 | * of stored procedures that return data as output parameters, and some also as input/output |
---|
62 | * parameters that both send in data and are updated to receive it. |
---|
63 | * |
---|
64 | * @param mixed $param Parameter identifier. For a prepared statement using named placeholders, |
---|
65 | * this will be a parameter name of the form :name. For a prepared statement |
---|
66 | * using question mark placeholders, this will be the 1-indexed position of the parameter |
---|
67 | * |
---|
68 | * @param mixed $variable Name of the PHP variable to bind to the SQL statement parameter. |
---|
69 | * |
---|
70 | * @param integer $type Explicit data type for the parameter using the PDO::PARAM_* constants. To return |
---|
71 | * an INOUT parameter from a stored procedure, use the bitwise OR operator to set the |
---|
72 | * PDO::PARAM_INPUT_OUTPUT bits for the data_type parameter. |
---|
73 | * @return boolean Returns TRUE on success or FALSE on failure. |
---|
74 | */ |
---|
75 | function bindParam($column, &$variable, $type = null); |
---|
76 | |
---|
77 | /** |
---|
78 | * errorCode |
---|
79 | * Fetch the SQLSTATE associated with the last operation on the statement handle |
---|
80 | * |
---|
81 | * @see Doctrine_Adapter_Interface::errorCode() |
---|
82 | * @return string error code string |
---|
83 | */ |
---|
84 | function errorCode(); |
---|
85 | |
---|
86 | /** |
---|
87 | * errorInfo |
---|
88 | * Fetch extended error information associated with the last operation on the statement handle |
---|
89 | * |
---|
90 | * @see Doctrine_Adapter_Interface::errorInfo() |
---|
91 | * @return array error info array |
---|
92 | */ |
---|
93 | function errorInfo(); |
---|
94 | |
---|
95 | /** |
---|
96 | * Executes a prepared statement |
---|
97 | * |
---|
98 | * If the prepared statement included parameter markers, you must either: |
---|
99 | * call PDOStatement->bindParam() to bind PHP variables to the parameter markers: |
---|
100 | * bound variables pass their value as input and receive the output value, |
---|
101 | * if any, of their associated parameter markers or pass an array of input-only |
---|
102 | * parameter values |
---|
103 | * |
---|
104 | * |
---|
105 | * @param array $params An array of values with as many elements as there are |
---|
106 | * bound parameters in the SQL statement being executed. |
---|
107 | * @return boolean Returns TRUE on success or FALSE on failure. |
---|
108 | */ |
---|
109 | function execute($params = null); |
---|
110 | |
---|
111 | /** |
---|
112 | * rowCount |
---|
113 | * rowCount() returns the number of rows affected by the last DELETE, INSERT, or UPDATE statement |
---|
114 | * executed by the corresponding object. |
---|
115 | * |
---|
116 | * If the last SQL statement executed by the associated Statement object was a SELECT statement, |
---|
117 | * some databases may return the number of rows returned by that statement. However, |
---|
118 | * this behaviour is not guaranteed for all databases and should not be |
---|
119 | * relied on for portable applications. |
---|
120 | * |
---|
121 | * @return integer Returns the number of rows. |
---|
122 | */ |
---|
123 | function rowCount(); |
---|
124 | } |
---|