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Navigation: PHP API > Work with databases > Use of Prepared Statements

Execute SQL statements (preparedExecute)

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To execute SQL statements use the function preparedExecute for manipulating data (UPDATE, INSERT or DELETE statements). This function can then be executed on the previously instantiated object $jobDB.

Parameter

Type

Description

$sql

string

SQL statement (UPDATE, INSERT or DELETE statements)

$parameterValues

array

The values that are to be resolved in the SQL statement are stored there.

$parameterTypes

(optional)

array

The data types for the values are stored there.

 

The following data types are available:

text (ConnectionInterface::TYPE_TEXT)

integer (ConnectionInterface::TYPE_INTEGER)

timestamp (ConnectionInterface::TYPE_DATETIME)

decimal (ConnectionInterface::TYPE_DECIMAL)

clob (ConnectionInterface::TYPE_CLOB))

 

Please note: The order of the values ($parameterValues) must correspond to the order of the data types ($parameterTypes), otherwise incorrect or faulty SQLs may result. We recommend that you specify the data types, even if the parameter is optional.

In case of an error a JobRouterException is thrown.

Example:

$jobDB = $this->getJobDB();

 

$sql = 'UPDATE JRUSERS SET blocked = :blocked WHERE username = :username';

$parameters = [

 'blocked' => 0,

 'username' => 'some_username_here'

];

 

$types = [

 JobRouter\Common\Database\ConnectionInterface::TYPE_INTEGER,

 JobRouter\Common\Database\ConnectionInterface::TYPE_TEXT,

];

 

$jobDB->preparedExecute($sql, $parameters, $types);