JDatabaseMySQLi: Difference between revisions
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=={{JVer|11.1}} JDatabaseMySQLi== | |||
===Description=== | |||
[[JDatabaseMySQLi]] is a concrete database handler class for [http://www.mysql.com/ MySQL]. The MySQLi driver can only be used for MySQL 4.1 and higher. The "i" at the end stands for "improved" (faster, better, etc.). | |||
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===Methods=== | ===Methods=== | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
|- | |- | ||
!Visibility | |||
!Method name | !Method name | ||
!Description | !Description | ||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::__destruct|__destruct]] | ||
|Destructor. | |||
|- | |- | ||
| | |public | ||
|[[API17:JDatabaseMySQLi::connected|connected]] | |||
|[[JDatabaseMySQLi::connected | |||
|Determines if the connection to the server is active. | |Determines if the connection to the server is active. | ||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::dateToString|dateToString]] | ||
|Method to get a object represented as a datetime string in a format recognized by the database server. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::explain|explain]] | ||
|Diagnostic method to return explain information for a query. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getAffectedRows|getAffectedRows]] | ||
|Get the number of affected rows for the previous executed SQL statement. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getCollation|getCollation]] | ||
|Method to get the database collation in use by sampling a text field of a table in the database. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getEscaped|getEscaped]] | ||
|Method to escape a string for usage in an SQL statement. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getExporter|getExporter]] | ||
|Gets an exporter class object. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getImporter|getImporter]] | ||
|Gets an importer class object. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getNumRows|getNumRows]] | ||
|Get the number of returned rows for the previous executed SQL statement. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getQuery|getQuery]] | ||
|Get the current or query, or new object. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getTableCreate|getTableCreate]] | ||
|Shows the table CREATE statement that creates the given tables. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getTableFields|getTableFields]] | ||
|Retrieves field information about the given tables. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getTableList|getTableList]] | ||
|Method to get an array of all tables in the database. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::getVersion|getVersion]] | ||
|Get the version of the database connector. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::hasUTF|hasUTF]] | ||
|Determines if the database engine supports UTF-8 character encoding. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::insertid|insertid]] | ||
|Method to get the auto-incremented value from the last INSERT statement. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::query|query]] | ||
|Execute the SQL statement. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::queryBatch|queryBatch]] | ||
|Execute a query batch. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::select|select]] | ||
|Select a database for use. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::setUTF|setUTF]] | ||
|Set the connection to use UTF-8 character encoding. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::transactionCommit|transactionCommit]] | ||
|Method to commit a transaction. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::transactionRollback|transactionRollback]] | ||
|Method to roll back a transaction. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public | ||
| | |[[API17:JDatabaseMySQLi::transactionStart|transactionStart]] | ||
|Method to initialize a transaction. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |public static | ||
| | |[[API17:JDatabaseMySQLi::test|test]] | ||
|Test to see if the MySQL connector is available. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |protected | ||
| | |[[API17:JDatabaseMySQLi::__construct|__construct]] | ||
|Constructor. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |protected | ||
| | |[[API17:JDatabaseMySQLi::fetchArray|fetchArray]] | ||
|Method to fetch a row from the result set cursor as an array. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |protected | ||
| | |[[API17:JDatabaseMySQLi::fetchAssoc|fetchAssoc]] | ||
|Method to fetch a row from the result set cursor as an associative array. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |protected | ||
| | |[[API17:JDatabaseMySQLi::fetchObject|fetchObject]] | ||
|Method to fetch a row from the result set cursor as an object. | |||
|- | |- | ||
|[[JDatabaseMySQLi:: | |protected | ||
| | |[[API17:JDatabaseMySQLi::freeResult|freeResult]] | ||
|Method to free up the memory used for the result set. | |||
|- | |- | ||
|} | |} | ||
* '''Defined in''' libraries/joomla/database/database/mysqli.php | |||
* '''Extends''' [[API17:JDatabase|JDatabase]] | |||
===Importing=== | ===Importing=== | ||
<source lang="php">jimport( 'joomla.database.database.mysqli' );</source> | <source lang="php">jimport( 'joomla.database.database.mysqli' );</source> | ||
===See also=== | ===See also=== | ||
* [[ | * {{JVer|11.1}} '''JDatabaseMySQLi source code''' on [[jplatform:database/database/mysqli.php|BitBucket]] | ||
{{ | * {{JVer|11.1}} Subpackage [[API17:Subpackage Database|Database]] | ||
* [[API17:JDatabaseMySQLi|Other versions of JDatabaseMySQLi]] | |||
===Examples=== | ===User contributed notes=== | ||
=== Code Examples === | |||
<dpl> | <dpl> | ||
noresultsheader=\n | noresultsheader=\n | ||
category=JDatabaseMySQLi | category=JDatabaseMySQLi | ||
namespace=CodeExample | |||
category=ClassExample | category=ClassExample | ||
include=* | include=* | ||
namespace=CodeExample | |||
format= ,,, | format= ,,, | ||
</dpl> | </dpl> | ||
<noinclude> | <noinclude>[[Category:Platform 11.1]][[Category:Archived pages API17]]</noinclude> | ||
Latest revision as of 02:40, 25 March 2017
JDatabaseMySQLi
Description
JDatabaseMySQLi is a concrete database handler class for MySQL. The MySQLi driver can only be used for MySQL 4.1 and higher. The "i" at the end stands for "improved" (faster, better, etc.).
Methods
| Visibility | Method name | Description |
|---|---|---|
| public | __destruct | Destructor. |
| public | connected | Determines if the connection to the server is active. |
| public | dateToString | Method to get a object represented as a datetime string in a format recognized by the database server. |
| public | explain | Diagnostic method to return explain information for a query. |
| public | getAffectedRows | Get the number of affected rows for the previous executed SQL statement. |
| public | getCollation | Method to get the database collation in use by sampling a text field of a table in the database. |
| public | getEscaped | Method to escape a string for usage in an SQL statement. |
| public | getExporter | Gets an exporter class object. |
| public | getImporter | Gets an importer class object. |
| public | getNumRows | Get the number of returned rows for the previous executed SQL statement. |
| public | getQuery | Get the current or query, or new object. |
| public | getTableCreate | Shows the table CREATE statement that creates the given tables. |
| public | getTableFields | Retrieves field information about the given tables. |
| public | getTableList | Method to get an array of all tables in the database. |
| public | getVersion | Get the version of the database connector. |
| public | hasUTF | Determines if the database engine supports UTF-8 character encoding. |
| public | insertid | Method to get the auto-incremented value from the last INSERT statement. |
| public | query | Execute the SQL statement. |
| public | queryBatch | Execute a query batch. |
| public | select | Select a database for use. |
| public | setUTF | Set the connection to use UTF-8 character encoding. |
| public | transactionCommit | Method to commit a transaction. |
| public | transactionRollback | Method to roll back a transaction. |
| public | transactionStart | Method to initialize a transaction. |
| public static | test | Test to see if the MySQL connector is available. |
| protected | __construct | Constructor. |
| protected | fetchArray | Method to fetch a row from the result set cursor as an array. |
| protected | fetchAssoc | Method to fetch a row from the result set cursor as an associative array. |
| protected | fetchObject | Method to fetch a row from the result set cursor as an object. |
| protected | freeResult | Method to free up the memory used for the result set. |
- Defined in libraries/joomla/database/database/mysqli.php
- Extends JDatabase
Importing
jimport( 'joomla.database.database.mysqli' );
See also
JDatabaseMySQLi source code on BitBucket
Subpackage Database- Other versions of JDatabaseMySQLi
User contributed notes
Code Examples