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PDOStatement::bindColumn> <PDO::setAttribute
[edit] Last updated: Fri, 28 Jun 2013

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The PDOStatement class

(PHP 5 >= 5.1.0, PECL pdo >= 1.0.0)

Introduction

Represents a prepared statement and, after the statement is executed, an associated result set.

Class synopsis

PDOStatement implements Traversable {
/* Properties */
readonly string $queryString;
/* Methods */
public bool bindColumn ( mixed $column , mixed &$param [, int $type [, int $maxlen [, mixed $driverdata ]]] )
public bool bindParam ( mixed $parameter , mixed &$variable [, int $data_type = PDO::PARAM_STR [, int $length [, mixed $driver_options ]]] )
public bool bindValue ( mixed $parameter , mixed $value [, int $data_type = PDO::PARAM_STR ] )
public bool closeCursor ( void )
public int columnCount ( void )
public void debugDumpParams ( void )
public string errorCode ( void )
public array errorInfo ( void )
public bool execute ([ array $input_parameters ] )
public mixed fetch ([ int $fetch_style [, int $cursor_orientation = PDO::FETCH_ORI_NEXT [, int $cursor_offset = 0 ]]] )
public array fetchAll ([ int $fetch_style [, mixed $fetch_argument [, array $ctor_args = array() ]]] )
public string fetchColumn ([ int $column_number = 0 ] )
public mixed fetchObject ([ string $class_name = "stdClass" [, array $ctor_args ]] )
public mixed getAttribute ( int $attribute )
public array getColumnMeta ( int $column )
public bool nextRowset ( void )
public int rowCount ( void )
public bool setAttribute ( int $attribute , mixed $value )
public bool setFetchMode ( int $mode )
}

Properties

queryString

Used query string.

Table of Contents



add a note add a note User Contributed Notes PDOStatement - [2 notes]
up
0
rosko at zeta dot org dot au
3 years ago
There are many references around for returning a refcursor from a pgSQL function using pg_query. All essentially boil down to executing the following single statement (or some variation of it):

 begin; select yourFunction(params...); fetch all in cursorname; commit;

In PDO, this doesn't work because PDO won't allow multiple statements submitted as a single statement (due to SQL injection detection). Instead, try this or similar:

<?php
$sql
= 'select yourFunction(params...)';
$db = new PDO('pgsql:dbname=yourDBname');
$db->beginTransaction();
$cmd = $db->prepare($sql);
if (
$cmd->execute()) {
  if (
$query = $db->query('fetch all in cursorname')) {
    ...
processing...
   
$query->closeCursor();
   
$cmd->closeCursor();
  }
}
$db->commit();
?>
up
-1
Dmitri Snytkine
1 year ago
It looks like cloning PDOStatement object does not make any sense because while clone($sth) will not generate any errors, the returned object is not a new object but a reference to original PDOStatement object $sth.

 
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