Joomla! Platform 12.1

Joomla! Platform API

Packages

Package: Joomla-Platform

License

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JDatabaseDriver

Description

Implements interfaces:

JDatabaseInterface

Joomla Platform Database Driver Class

method: string q(): q($text, $escape) Alias for quote method
method: string qn(): qs($name, $as) Alias for quoteName method
abstract:
since: 12.1

Located in /libraries/joomla/database/driver.php (line 43)

 JDatabase

 JDatabaseDriver   (Subpackage Database)

Direct descendents

Class	Description
JDatabaseDriverSqlsrv	SQL Server database driver
JDatabaseDriverPdo	Joomla Platform PDO Database Driver Class
JDatabaseDriverMysql	MySQL database driver
JDatabaseDriverPostgresql	PostgreSQL database driver

Variable Summary

static string $dbMinimum

static array $instances

resource $connection

integer $count

resource $cursor

boolean $debug

string $errorMsg

integer $errorNum

integer $limit

array $log

string $name

string $nameQuote

string $nullDate

integer $offset

array $options

mixed $sql

string $tablePrefix

boolean $utf

Method Summary

static array getConnectors ()

static JDatabaseDriver getInstance ([array $options = array()])

static array splitSql (string $sql)

JDatabaseDriver __construct (array $options)

void connect ()

boolean connected ()

void disconnect ()

JDatabaseDriver dropTable (string $table, [boolean $ifExists = true])

string escape (string $text, [boolean $extra = false])

mixed execute ()

mixed fetchArray ([mixed $cursor = null])

mixed fetchAssoc ([mixed $cursor = null])

mixed fetchObject ([mixed $cursor = null], [string $class = 'stdClass'])

void freeResult ([mixed $cursor = null])

integer getAffectedRows ()

mixed getCollation ()

resource getConnection ()

integer getCount ()

string getDatabase ()

string getDateFormat ()

JDatabaseExporter getExporter ()

JDatabaseImporter getImporter ()

JDatabaseIterator getIterator ([string $column = null], [string $class = 'stdClass'])

array getLog ()

string getMinimum ()

string getNullDate ()

integer getNumRows ([resource $cursor = null])

string getPrefix ()

JDatabaseQuery getQuery ([boolean $new = false])

array getTableColumns (string $table, [boolean $typeOnly = true])

array getTableCreate (mixed $tables)

array getTableKeys (mixed $tables)

array getTableList ()

boolean getUTFSupport ()

string getVersion ()

boolean hasUTFSupport ()

integer insertid ()

boolean insertObject (string $table, object &$object, [string $key = null])

boolean isMinimumVersion ()

mixed loadAssoc ()

mixed loadAssocList ([string $key = null], [string $column = null])

mixed loadColumn ([integer $offset = 0])

mixed loadNextObject ([string $class = 'stdClass'])

mixed loadNextRow ()

mixed loadObject ([string $class = 'stdClass'])

mixed loadObjectList ([string $key = ''], [string $class = 'stdClass'])

mixed loadResult ()

mixed loadRow ()

mixed loadRowList ([string $key = null])

JDatabaseDriver lockTable (string $tableName)

string quote (string $text, [boolean $escape = true])

mixed quoteName (mixed $name, [mixed $as = null])

string quoteNameStr (array $strArr)

JDatabaseDriver renameTable (string $oldTable, string $newTable, [string $backup = null], [string $prefix = null])

string replacePrefix (string $sql, [string $prefix = '#__'])

boolean select (string $database)

boolean setDebug (boolean $level)

JDatabaseDriver setQuery (mixed $query, [integer $offset = 0], [integer $limit = 0])

boolean setUTF ()

void transactionCommit ()

void transactionRollback ()

void transactionStart ()

void truncateTable (string $table)

JDatabaseDriver unlockTables ()

boolean updateObject (string $table, object &$object, string $key, [boolean $nulls = false])

string __call (string $method, array $args)

Variables

resource $connection (line 65)

var: The database connection resource.
since: 11.1
access: protected

integer $count = 0 (line 71)

var: The number of SQL statements executed by the database driver.
since: 11.1
access: protected

resource $cursor (line 77)

var: The database connection cursor from the last query.
since: 11.1
access: protected

string $dbMinimum (line 167)

var: The minimum supported database version.
since: 12.1
access: protected

Redefined in descendants as:

boolean $debug = false (line 83)

var: The database driver debugging state.
since: 11.1
access: protected

string $errorMsg (line 155)

var: The database error message
deprecated: 12.1
since: 11.1
access: protected

integer $errorNum = 0 (line 148)

var: The database error number
deprecated: 12.1
since: 11.1
access: protected

array $instances = array() (line 161)

var: JDatabaseDriver instances container.
since: 11.1
access: protected

integer $limit = 0 (line 89)

var: The affected row limit for the current SQL statement.
since: 11.1
access: protected

array $log = array() (line 95)

var: The log of executed SQL statements by the database driver.
since: 11.1
access: protected

string $name (line 59)

The name of the database driver.

since: 11.1
access: public

Redefined in descendants as:

JDatabaseDriverSqlsrv::$name : The name of the database driver.
JDatabaseDriverSqlazure::$name : The name of the database driver.
JDatabaseDriverPdo::$name : The name of the database driver.
JDatabaseDriverOracle::$name : The name of the database driver.
JDatabaseDriverSqlite::$name : The name of the database driver.
JDatabaseDriverMysql::$name : The name of the database driver.
JDatabaseDriverMysqli::$name : The name of the database driver.
JDatabaseDriverPostgresql::$name : The database driver name

string $nameQuote (line 104)

var: The character(s) used to quote SQL statement names such as table names or field names, etc. The child classes should define this as necessary. If a single character string the same character is used for both sides of the quoted name, else the first character will be used for the opening quote and the second for the closing quote.
since: 11.1
access: protected

Redefined in descendants as:

JDatabaseDriverSqlsrv::$nameQuote : The character(s) used to quote SQL statement names such as table names or field names, etc. The child classes should define this as necessary. If a single character string the same character is used for both sides of the quoted name, else the first character will be used for the opening quote and the second for the closing quote.
JDatabaseDriverPdo::$nameQuote : The character(s) used to quote SQL statement names such as table names or field names, etc. The child classes should define this as necessary. If a single character string the same character is used for both sides of the quoted name, else the first character will be used for the opening quote and the second for the closing quote.
JDatabaseDriverSqlite::$nameQuote : The character(s) used to quote SQL statement names such as table names or field names, etc. The child classes should define this as necessary. If a single character string the same character is used for both sides of the quoted name, else the first character will be used for the opening quote and the second for the closing quote.
JDatabaseDriverMysql::$nameQuote : The character(s) used to quote SQL statement names such as table names or field names, etc. The child classes should define this as necessary. If a single character string the same character is used for both sides of the quoted name, else the first character will be used for the opening quote and the second for the closing quote.
JDatabaseDriverPostgresql::$nameQuote : Quote for named objects

string $nullDate (line 111)

var: The null or zero representation of a timestamp for the database driver. This should be defined in child classes to hold the appropriate value for the engine.
since: 11.1
access: protected

Redefined in descendants as:

JDatabaseDriverSqlsrv::$nullDate : The null or zero representation of a timestamp for the database driver. This should be defined in child classes to hold the appropriate value for the engine.
JDatabaseDriverPdo::$nullDate : The null or zero representation of a timestamp for the database driver. This should be defined in child classes to hold the appropriate value for the engine.
JDatabaseDriverMysql::$nullDate : The null or zero representation of a timestamp for the database driver. This should be defined in child classes to hold the appropriate value for the engine.
JDatabaseDriverPostgresql::$nullDate : The null/zero date string

integer $offset = 0 (line 117)

var: The affected row offset to apply for the current SQL statement.
since: 11.1
access: protected

array $options (line 123)

var: Passed in upon instantiation and saved.
since: 11.1
access: protected

mixed $sql (line 129)

var: The current SQL statement to execute.
since: 11.1
access: protected

string $tablePrefix (line 135)

var: The common database table prefix.
since: 11.1
access: protected

boolean $utf = true (line 141)

var: True if the database engine supports UTF-8 character encoding.
since: 11.1
access: protected

Methods

Constructor __construct (line 366)

Constructor.

since: 11.1
access: public

JDatabaseDriver __construct (array $options)

array $options: List of options used to configure the connection

Redefined in descendants as:

JDatabaseDriverSqlsrv::__construct() : Constructor.
JDatabaseDriverPdo::__construct() : Constructor.
JDatabaseDriverOracle::__construct() : Constructor.
JDatabaseDriverSqlite::__construct() : Constructor.
JDatabaseDriverMysql::__construct() : Constructor.
JDatabaseDriverMysqli::__construct() : Constructor.
JDatabaseDriverPostgresql::__construct() : Database object constructor

connect (line 388)

Connects to the database if needed.

return: Returns void if the database connected successfully.
abstract:
throws: RuntimeException
since: 12.1
access: public

void connect ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::connect() : Connects to the database if needed.
JDatabaseDriverPdo::connect() : Connects to the database if needed.
JDatabaseDriverOracle::connect() : Connects to the database if needed.
JDatabaseDriverMysql::connect() : Connects to the database if needed.
JDatabaseDriverMysqli::connect() : Connects to the database if needed.
JDatabaseDriverPostgresql::connect() : Connects to the database if needed.

connected (line 397)

Determines if the connection to the server is active.

return: True if connected to the database engine.
abstract:
since: 11.1
access: public

boolean connected ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::connected() : Determines if the connection to the server is active.
JDatabaseDriverPdo::connected() : Determines if the connection to the server is active.
JDatabaseDriverMysql::connected() : Determines if the connection to the server is active.
JDatabaseDriverMysqli::connected() : Determines if the connection to the server is active.
JDatabaseDriverPostgresql::connected() : Determines if the connection to the server is active.

disconnect (line 406)

Disconnects the database.

abstract:
since: 12.1
access: public

void disconnect ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::disconnect() : Disconnects the database.
JDatabaseDriverPdo::disconnect() : Disconnects the database.
JDatabaseDriverOracle::disconnect() : Disconnects the database.
JDatabaseDriverSqlite::disconnect() : Disconnects the database.
JDatabaseDriverMysql::disconnect() : Disconnects the database.
JDatabaseDriverMysqli::disconnect() : Disconnects the database.
JDatabaseDriverPostgresql::disconnect() : Disconnects the database.

dropTable (line 419)

Drops a table from the database.

return: Returns this object to support chaining.
abstract:
throws: RuntimeException
since: 11.4
access: public

JDatabaseDriver dropTable (string $table, [boolean $ifExists = true])

string $table: The name of the database table to drop.
boolean $ifExists: Optionally specify that the table must exist before it is dropped.

Redefined in descendants as:

JDatabaseDriverSqlsrv::dropTable() : Drops a table from the database.
JDatabaseDriverOracle::dropTable() : Drops a table from the database.
JDatabaseDriverSqlite::dropTable() : Drops a table from the database.
JDatabaseDriverMysql::dropTable() : Drops a table from the database.
JDatabaseDriverPostgresql::dropTable() : Drops a table from the database.

escape (line 431)

Method to escape a string for usage in an SQL statement.

return: The escaped string.
abstract:
since: 11.1
access: public

string escape (string $text, [boolean $extra = false])

string $text: The string to be escaped.
boolean $extra: Optional parameter to provide extra escaping.

Redefined in descendants as:

JDatabaseDriverSqlsrv::escape() : Method to escape a string for usage in an SQL statement.
JDatabaseDriverPdo::escape() : Method to escape a string for usage in an SQL statement.
JDatabaseDriverSqlite::escape() : Method to escape a string for usage in an SQLite statement.
JDatabaseDriverMysql::escape() : Method to escape a string for usage in an SQL statement.
JDatabaseDriverMysqli::escape() : Method to escape a string for usage in an SQL statement.
JDatabaseDriverPostgresql::escape() : Method to escape a string for usage in an SQL statement.

execute (line 1678)

Execute the SQL statement.

return: A database cursor resource on success, boolean false on failure.
abstract:
throws: RuntimeException
since: 12.1
access: public

mixed execute ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::execute() : Execute the SQL statement.
JDatabaseDriverPdo::execute() : Execute the SQL statement.
JDatabaseDriverMysql::execute() : Execute the SQL statement.
JDatabaseDriverMysqli::execute() : Execute the SQL statement.
JDatabaseDriverPostgresql::execute() : Execute the SQL statement.

fetchArray (line 442)

Method to fetch a row from the result set cursor as an array.

return: Either the next row from the result set or false if there are no more rows.
abstract:
since: 11.1
access: protected

mixed fetchArray ([mixed $cursor = null])

mixed $cursor: The optional result set cursor from which to fetch the row.

Redefined in descendants as:

JDatabaseDriverSqlsrv::fetchArray() : Method to fetch a row from the result set cursor as an array.
JDatabaseDriverPdo::fetchArray() : Method to fetch a row from the result set cursor as an array.
JDatabaseDriverMysql::fetchArray() : Method to fetch a row from the result set cursor as an array.
JDatabaseDriverMysqli::fetchArray() : Method to fetch a row from the result set cursor as an array.
JDatabaseDriverPostgresql::fetchArray() : Method to fetch a row from the result set cursor as an array.

fetchAssoc (line 453)

Method to fetch a row from the result set cursor as an associative array.

return: Either the next row from the result set or false if there are no more rows.
abstract:
since: 11.1
access: protected

mixed fetchAssoc ([mixed $cursor = null])

mixed $cursor: The optional result set cursor from which to fetch the row.

Redefined in descendants as:

JDatabaseDriverSqlsrv::fetchAssoc() : Method to fetch a row from the result set cursor as an associative array.
JDatabaseDriverPdo::fetchAssoc() : Method to fetch a row from the result set cursor as an associative array.
JDatabaseDriverMysql::fetchAssoc() : Method to fetch a row from the result set cursor as an associative array.
JDatabaseDriverMysqli::fetchAssoc() : Method to fetch a row from the result set cursor as an associative array.
JDatabaseDriverPostgresql::fetchAssoc() : Method to fetch a row from the result set cursor as an associative array.

fetchObject (line 465)

Method to fetch a row from the result set cursor as an object.

return: Either the next row from the result set or false if there are no more rows.
abstract:
since: 11.1
access: protected

mixed fetchObject ([mixed $cursor = null], [string $class = 'stdClass'])

mixed $cursor: The optional result set cursor from which to fetch the row.
string $class: The class name to use for the returned row object.

Redefined in descendants as:

JDatabaseDriverSqlsrv::fetchObject() : Method to fetch a row from the result set cursor as an object.
JDatabaseDriverPdo::fetchObject() : Method to fetch a row from the result set cursor as an object.
JDatabaseDriverMysql::fetchObject() : Method to fetch a row from the result set cursor as an object.
JDatabaseDriverMysqli::fetchObject() : Method to fetch a row from the result set cursor as an object.
JDatabaseDriverPostgresql::fetchObject() : Method to fetch a row from the result set cursor as an object.

freeResult (line 476)

Method to free up the memory used for the result set.

abstract:
since: 11.1
access: protected

void freeResult ([mixed $cursor = null])

mixed $cursor: The optional result set cursor from which to fetch the row.

Redefined in descendants as:

JDatabaseDriverSqlsrv::freeResult() : Method to free up the memory used for the result set.
JDatabaseDriverPdo::freeResult() : Method to free up the memory used for the result set.
JDatabaseDriverMysql::freeResult() : Method to free up the memory used for the result set.
JDatabaseDriverMysqli::freeResult() : Method to free up the memory used for the result set.
JDatabaseDriverPostgresql::freeResult() : Method to free up the memory used for the result set.

getAffectedRows (line 485)

Get the number of affected rows for the previous executed SQL statement.

return: The number of affected rows.
abstract:
since: 11.1
access: public

integer getAffectedRows ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::getAffectedRows() : Get the number of affected rows for the previous executed SQL statement.
JDatabaseDriverPdo::getAffectedRows() : Get the number of affected rows for the previous executed SQL statement.
JDatabaseDriverMysql::getAffectedRows() : Get the number of affected rows for the previous executed SQL statement.
JDatabaseDriverMysqli::getAffectedRows() : Get the number of affected rows for the previous executed SQL statement.
JDatabaseDriverPostgresql::getAffectedRows() : Get the number of affected rows for the previous executed SQL statement.

getCollation (line 494)

Method to get the database collation in use by sampling a text field of a table in the database.

return: The collation in use by the database or boolean false if not supported.
abstract:
since: 11.1
access: public

mixed getCollation ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::getCollation() : Method to get the database collation in use by sampling a text field of a table in the database.
JDatabaseDriverOracle::getCollation() : Method to get the database collation in use by sampling a text field of a table in the database.
JDatabaseDriverSqlite::getCollation() : Method to get the database collation in use by sampling a text field of a table in the database.
JDatabaseDriverMysql::getCollation() : Method to get the database collation in use by sampling a text field of a table in the database.
JDatabaseDriverPostgresql::getCollation() : Method to get the database collation in use by sampling a text field of a table in the database.

getConnection (line 504)

Method that provides access to the underlying database connection. Useful for when you need to call a proprietary method such as postgresql's lo_* methods.

return: The underlying database connection resource.
since: 11.1
access: public

resource getConnection ()

getConnectors (line 178)

Get a list of available database connectors. The list will only be populated with connectors that both the class exists and the static test method returns true. This gives us the ability to have a multitude of connector classes that are self-aware as to whether or not they are able to be used on a given system.

return: An array of available database connectors.
since: 11.1
access: public

array getConnectors ()

Redefinition of:

JDatabase::getConnectors(): Get a list of available database connectors. The list will only be populated with connectors that both the class exists and the static test method returns true. This gives us the ability to have a multitude of connector classes that are self-aware as to whether or not they are able to be used on a given system.

getCount (line 516)

Get the total number of SQL statements executed by the database driver.

since: 11.1
access: public

integer getCount ()

getDatabase (line 528)

Gets the name of the database used by this conneciton.

since: 11.4
access: protected

string getDatabase ()

getDateFormat (line 540)

Returns a PHP date() function compliant date format for the database driver.

return: The format string.
since: 11.1
access: public

string getDateFormat ()

Redefined in descendants as:

JDatabaseDriverOracle::getDateFormat() : Returns the current date format

getExporter (line 612)

Gets an exporter class object.

return: An exporter object.
since: 12.1
throws: RuntimeException
access: public

JDatabaseExporter getExporter ()

getImporter (line 638)

Gets an importer class object.

return: An importer object.
since: 12.1
throws: RuntimeException
access: public

JDatabaseImporter getImporter ()

getInstance (line 234)

Method to return a JDatabaseDriver instance based on the given options. There are three global options and then

the rest are specific to the database driver. The 'driver' option defines which JDatabaseDriver class is used for the connection -- the default is 'mysql'. The 'database' option determines which database is to be used for the connection. The 'select' option determines whether the connector should automatically select the chosen database.

Instances are unique to the given options and new objects are only created when a unique options array is passed into the method. This ensures that we don't end up with unnecessary database connection resources.

return: A database object.
since: 11.1
access: public

JDatabaseDriver getInstance ([array $options = array()])

array $options: Parameters to be passed to the database driver.

Redefinition of:

JDatabase::getInstance(): Method to return a JDatabaseDriver instance based on the given options. There are three global options and then

getIterator (line 699)

Get a new iterator on the current query.

return: A new database iterator.
since: 12.1
throws: RuntimeException
access: public

JDatabaseIterator getIterator ([string $column = null], [string $class = 'stdClass'])

string $column: An option column to use as the iterator key.
string $class: The class of object that is returned.

getLog (line 552)

Get the database driver SQL statement log.

return: SQL statements executed by the database driver.
since: 11.1
access: public

array getLog ()

getMinimum (line 564)

Get the minimum supported database version.

return: The minimum version number for the database driver.
since: 12.1
access: public

string getMinimum ()

getNullDate (line 576)

Get the null or zero representation of a timestamp for the database driver.

return: Null or zero representation of a timestamp.
since: 11.1
access: public

string getNullDate ()

getNumRows (line 590)

Get the number of returned rows for the previous executed SQL statement.

return: The number of returned rows.
abstract:
since: 11.1
access: public

integer getNumRows ([resource $cursor = null])

resource $cursor: An optional database cursor resource to extract the row count from.

Redefined in descendants as:

JDatabaseDriverSqlsrv::getNumRows() : Get the number of returned rows for the previous executed SQL statement.
JDatabaseDriverPdo::getNumRows() : Get the number of returned rows for the previous executed SQL statement.
JDatabaseDriverMysql::getNumRows() : Get the number of returned rows for the previous executed SQL statement.
JDatabaseDriverMysqli::getNumRows() : Get the number of returned rows for the previous executed SQL statement.
JDatabaseDriverPostgresql::getNumRows() : Get the number of returned rows for the previous executed SQL statement.

getPrefix (line 599)

Get the common table prefix for the database driver.

return: The common database table prefix.
since: 11.1
access: public

string getPrefix ()

getQuery (line 666)

Get the current query object or a new JDatabaseQuery object.

return: The current query object or a new object extending the JDatabaseQuery class.
since: 11.1
throws: RuntimeException
access: public

JDatabaseQuery getQuery ([boolean $new = false])

boolean $new: False to return the current query object, True to return a new JDatabaseQuery object.

Redefined in descendants as:

JDatabaseDriverPostgresql::getQuery() : Get the current or query, or new JDatabaseQuery object.

getTableColumns (line 726)

Retrieves field information about the given tables.

return: An array of fields by table.
abstract:
throws: RuntimeException
since: 11.1
access: public

array getTableColumns (string $table, [boolean $typeOnly = true])

string $table: The name of the database table.
boolean $typeOnly: True (default) to only return field types.

Redefined in descendants as:

JDatabaseDriverSqlsrv::getTableColumns() : Retrieves field information about the given tables.
JDatabaseDriverOracle::getTableColumns() : Retrieves field information about a given table.
JDatabaseDriverSqlite::getTableColumns() : Retrieves field information about a given table.
JDatabaseDriverMysql::getTableColumns() : Retrieves field information about a given table.
JDatabaseDriverPostgresql::getTableColumns() : Retrieves field information about a given table.

getTableCreate (line 738)

Shows the table CREATE statement that creates the given tables.

return: A list of the create SQL for the tables.
abstract:
throws: RuntimeException
since: 11.1
access: public

array getTableCreate (mixed $tables)

mixed $tables: A table name or a list of table names.

Redefined in descendants as:

JDatabaseDriverSqlsrv::getTableCreate() : Shows the table CREATE statement that creates the given tables.
JDatabaseDriverOracle::getTableCreate() : Shows the table CREATE statement that creates the given tables.
JDatabaseDriverSqlite::getTableCreate() : Shows the table CREATE statement that creates the given tables.
JDatabaseDriverMysql::getTableCreate() : Shows the table CREATE statement that creates the given tables.
JDatabaseDriverPostgresql::getTableCreate() : Shows the table CREATE statement that creates the given tables.

getTableKeys (line 750)

Retrieves field information about the given tables.

return: An array of keys for the table(s).
abstract:
throws: RuntimeException
since: 11.1
access: public

array getTableKeys (mixed $tables)

mixed $tables: A table name or a list of table names.

Redefined in descendants as:

JDatabaseDriverSqlsrv::getTableKeys() : Get the details list of keys for a table.
JDatabaseDriverOracle::getTableKeys() : Get the details list of keys for a table.
JDatabaseDriverSqlite::getTableKeys() : Get the details list of keys for a table.
JDatabaseDriverMysql::getTableKeys() : Get the details list of keys for a table.
JDatabaseDriverPostgresql::getTableKeys() : Get the details list of keys for a table.

getTableList (line 760)

Method to get an array of all tables in the database.

return: An array of all the tables in the database.
abstract:
throws: RuntimeException
since: 11.1
access: public

array getTableList ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::getTableList() : Method to get an array of all tables in the database.
JDatabaseDriverOracle::getTableList() : Method to get an array of all tables in the database (schema).
JDatabaseDriverSqlite::getTableList() : Method to get an array of all tables in the database (schema).
JDatabaseDriverMysql::getTableList() : Method to get an array of all tables in the database.
JDatabaseDriverPostgresql::getTableList() : Method to get an array of all tables in the database.

getUTFSupport (line 770)

Determine whether or not the database engine supports UTF-8 character encoding.

return: True if the database engine supports UTF-8 character encoding.
deprecated: 12.3 Use hasUTFSupport() instead
since: 11.1
access: public

boolean getUTFSupport ()

getVersion (line 795)

Get the version of the database connector

return: The database connector version.
abstract:
since: 11.1
access: public

string getVersion ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::getVersion() : Get the version of the database connector.
JDatabaseDriverOracle::getVersion() : Get the version of the database connector.
JDatabaseDriverSqlite::getVersion() : Get the version of the database connector.
JDatabaseDriverMysql::getVersion() : Get the version of the database connector.
JDatabaseDriverMysqli::getVersion() : Get the version of the database connector.
JDatabaseDriverPostgresql::getVersion() : Get the version of the database connector.

hasUTFSupport (line 783)

Determine whether or not the database engine supports UTF-8 character encoding.

return: True if the database engine supports UTF-8 character encoding.
since: 12.1
access: public

boolean hasUTFSupport ()

insertid (line 804)

Method to get the auto-incremented value from the last INSERT statement.

return: The value of the auto-increment field from the last inserted row.
abstract:
since: 11.1
access: public

integer insertid ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::insertid() : Method to get the auto-incremented value from the last INSERT statement.
JDatabaseDriverPdo::insertid() : Method to get the auto-incremented value from the last INSERT statement.
JDatabaseDriverMysql::insertid() : Method to get the auto-incremented value from the last INSERT statement.
JDatabaseDriverMysqli::insertid() : Method to get the auto-incremented value from the last INSERT statement.
JDatabaseDriverPostgresql::insertid() : Method to get the auto-incremented value from the last INSERT statement.

insertObject (line 818)

Inserts a row into a table based on an object's properties.

return: True on success.
since: 11.1
throws: RuntimeException
access: public

boolean insertObject (string $table, object &$object, [string $key = null])

string $table: The name of the database table to insert into.
object &$object: A reference to an object whose public properties match the table fields.
string $key: The name of the primary key. If provided the object property is updated.

Redefined in descendants as:

JDatabaseDriverSqlsrv::insertObject() : Inserts a row into a table based on an object's properties.
JDatabaseDriverPostgresql::insertObject() : Inserts a row into a table based on an object's properties.

isMinimumVersion (line 874)

Method to check whether the installed database version is supported by the database driver

return: True if the database version is supported
since: 12.1
access: public

boolean isMinimumVersion ()

loadAssoc (line 888)

Method to get the first row of the result set from the database query as an associative array of ['field_name' => 'row_value'].

return: The return value or null if the query failed.
since: 11.1
throws: RuntimeException
access: public

mixed loadAssoc ()

loadAssocList (line 930)

Method to get an array of the result set rows from the database query where each row is an associative array of ['field_name' => 'row_value']. The array of rows can optionally be keyed by a field name, but defaults to a sequential numeric array.

NOTE: Chosing to key the result array by a non-unique field name can result in unwanted behavior and should be avoided.

return: The return value or null if the query failed.
since: 11.1
throws: RuntimeException
access: public

mixed loadAssocList ([string $key = null], [string $column = null])

string $key: The name of a field on which to key the result array.
string $column: An optional column name. Instead of the whole row, only this column value will be in the result array.

loadColumn (line 974)

Method to get an array of values from the $offset field in each row of the result set from the database query.

return: The return value or null if the query failed.
since: 11.1
throws: RuntimeException
access: public

mixed loadColumn (integer $offset)

integer $offset: The row offset to use to build the result array.

loadNextObject (line 1009)

Method to get the next row in the result set from the database query as an object.

return: The result of the query as an array, false if there are no more rows.
since: 11.1
throws: RuntimeException
access: public

mixed loadNextObject ([string $class = 'stdClass'])

string $class: The class name to use for the returned row object.

Redefined in descendants as:

JDatabaseDriverPdo::loadNextObject() : Method to get the next row in the result set from the database query as an object.

loadNextRow (line 1046)

Method to get the next row in the result set from the database query as an array.

return: The result of the query as an array, false if there are no more rows.
since: 11.1
throws: RuntimeException
access: public

mixed loadNextRow ()

Redefined in descendants as:

JDatabaseDriverPdo::loadNextRow() : Method to get the next row in the result set from the database query as an array.

loadObject (line 1085)

Method to get the first row of the result set from the database query as an object.

return: The return value or null if the query failed.
since: 11.1
throws: RuntimeException
access: public

mixed loadObject ([string $class = 'stdClass'])

string $class: The class name to use for the returned row object.

loadObjectList (line 1125)

Method to get an array of the result set rows from the database query where each row is an object. The array of objects can optionally be keyed by a field name, but defaults to a sequential numeric array.

NOTE: Choosing to key the result array by a non-unique field name can result in unwanted behavior and should be avoided.

return: The return value or null if the query failed.
since: 11.1
throws: RuntimeException
access: public

mixed loadObjectList ([string $key = ''], [string $class = 'stdClass'])

string $key: The name of a field on which to key the result array.
string $class: The class name to use for the returned row objects.

loadResult (line 1165)

Method to get the first field of the first row of the result set from the database query.

return: The return value or null if the query failed.
since: 11.1
throws: RuntimeException
access: public

mixed loadResult ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::loadResult() : Method to get the first field of the first row of the result set from the database query.

loadRow (line 1199)

Method to get the first row of the result set from the database query as an array. Columns are indexed numerically so the first column in the result set would be accessible via $row[0], etc.

return: The return value or null if the query failed.
since: 11.1
throws: RuntimeException
access: public

mixed loadRow ()

loadRowList (line 1238)

Method to get an array of the result set rows from the database query where each row is an array. The array of objects can optionally be keyed by a field offset, but defaults to a sequential numeric array.

NOTE: Choosing to key the result array by a non-unique field can result in unwanted behavior and should be avoided.

return: The return value or null if the query failed.
since: 11.1
throws: RuntimeException
access: public

mixed loadRowList ([string $key = null])

string $key: The name of a field on which to key the result array.

lockTable (line 1280)

Locks a table in the database.

return: Returns this object to support chaining.
abstract:
throws: RuntimeException
since: 11.4
access: public

JDatabaseDriver lockTable (string $tableName)

string $tableName: The name of the table to unlock.

Redefined in descendants as:

JDatabaseDriverSqlsrv::lockTable() : Locks a table in the database.
JDatabaseDriverOracle::lockTable() : Locks a table in the database.
JDatabaseDriverSqlite::lockTable() : Locks a table in the database.
JDatabaseDriverMysql::lockTable() : Locks a table in the database.
JDatabaseDriverPostgresql::lockTable() : Locks a table in the database.

quote (line 1292)

Method to quote and optionally escape a string to database requirements for insertion into the database.

return: The quoted input string.
since: 11.1
access: public

string quote (string $text, [boolean $escape = true])

string $text: The string to quote.
boolean $escape: True (default) to escape the string, false to leave it unchanged.

quoteName (line 1310)

Wrap an SQL statement identifier name such as column, table or database names in quotes to prevent injection risks and reserved word conflicts.

return: The quote wrapped name, same type of $name.
since: 11.1
access: public

mixed quoteName (mixed $name, [mixed $as = null])

mixed $name: The identifier name to wrap in quotes, or an array of identifier names to wrap in quotes. Each type supports dot-notation name.
mixed $as: The AS query part associated to $name. It can be string or array, in latter case it has to be same length of $name; if is null there will not be any AS part for string or array element.

quoteNameStr (line 1358)

Quote strings coming from quoteName call.

return: Dot-imploded string of quoted parts.
since: 11.3
access: protected

string quoteNameStr (array $strArr)

array $strArr: Array of strings coming from quoteName dot-explosion.

renameTable (line 1491)

Renames a table in the database.

return: Returns this object to support chaining.
abstract:
throws: RuntimeException
since: 11.4
access: public

JDatabaseDriver renameTable (string $oldTable, string $newTable, [string $backup = null], [string $prefix = null])

string $oldTable: The name of the table to be renamed
string $newTable: The new name for the table.
string $backup: Table prefix
string $prefix: For the table - used to rename constraints in non-mysql databases

Redefined in descendants as:

JDatabaseDriverSqlsrv::renameTable() : Renames a table in the database.
JDatabaseDriverOracle::renameTable() : Renames a table in the database.
JDatabaseDriverSqlite::renameTable() : Renames a table in the database.
JDatabaseDriverMysql::renameTable() : Renames a table in the database.
JDatabaseDriverPostgresql::renameTable() : Renames a table in the database.

replacePrefix (line 1394)

This function replaces a string identifier $prefix with the string held is the tablePrefix class variable.

return: The processed SQL statement.
since: 11.1
access: public

string replacePrefix (string $sql, [string $prefix = '#__'])

string $sql: The SQL statement to prepare.
string $prefix: The common table prefix.

Redefined in descendants as:

JDatabaseDriverSqlsrv::replacePrefix() : This function replaces a string identifier $prefix with the string held is the tablePrefix class variable.
JDatabaseDriverPostgresql::replacePrefix() : This function replaces a string identifier $prefix with the string held is the tablePrefix class variable.

select (line 1503)

Select a database for use.

return: True if the database was successfully selected.
abstract:
throws: RuntimeException
since: 11.1
access: public

boolean select (string $database)

string $database: The name of the database to select for use.

Redefined in descendants as:

JDatabaseDriverSqlsrv::select() : Select a database for use.
JDatabaseDriverPdo::select() : Select a database for use.
JDatabaseDriverOracle::select() : Select a database for use.
JDatabaseDriverSqlite::select() : Select a database for use.
JDatabaseDriverMysql::select() : Select a database for use.
JDatabaseDriverMysqli::select() : Select a database for use.
JDatabaseDriverPostgresql::select() : Selects the database, but redundant for PostgreSQL

setDebug (line 1514)

Sets the database debugging state for the driver.

return: The old debugging level.
since: 11.1
access: public

boolean setDebug (boolean $level)

boolean $level: True to enable debugging.

setQuery (line 1533)

Sets the SQL statement string for later execution.

return: This object to support method chaining.
since: 11.1
access: public

JDatabaseDriver setQuery (mixed $query, integer $offset, integer $limit)

mixed $query: The SQL statement to set either as a JDatabaseQuery object or a string.
integer $offset: The affected row offset to set.
integer $limit: The maximum affected rows to set.

Redefined in descendants as:

JDatabaseDriverPdo::setQuery() : Sets the SQL statement string for later execution.

setUTF (line 1549)

Set the connection to use UTF-8 character encoding.

return: True on success.
abstract:
since: 11.1
access: public

boolean setUTF ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::setUTF() : Set the connection to use UTF-8 character encoding.
JDatabaseDriverPdo::setUTF() : Set the connection to use UTF-8 character encoding.
JDatabaseDriverOracle::setUTF() : Set the connection to use UTF-8 character encoding.
JDatabaseDriverSqlite::setUTF() : Set the connection to use UTF-8 character encoding.
JDatabaseDriverMysql::setUTF() : Set the connection to use UTF-8 character encoding.
JDatabaseDriverMysqli::setUTF() : Set the connection to use UTF-8 character encoding.
JDatabaseDriverPostgresql::setUTF() : Custom settings for UTF support

splitSql (line 283)

Splits a string of multiple queries into an array of individual queries.

return: The queries from the input string separated into an array.
since: 11.1
access: public

array splitSql (string $sql)

string $sql: Input SQL string with which to split into individual queries.

Redefinition of:

JDatabase::splitSql(): Splits a string of multiple queries into an array of individual queries.

transactionCommit (line 1559)

Method to commit a transaction.

abstract:
throws: RuntimeException
since: 11.1
access: public

void transactionCommit ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::transactionCommit() : Method to commit a transaction.
JDatabaseDriverPdo::transactionCommit() : Method to commit a transaction.
JDatabaseDriverMysql::transactionCommit() : Method to commit a transaction.
JDatabaseDriverPostgresql::transactionCommit() : Method to commit a transaction.

transactionRollback (line 1569)

Method to roll back a transaction.

abstract:
throws: RuntimeException
since: 11.1
access: public

void transactionRollback ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::transactionRollback() : Method to roll back a transaction.
JDatabaseDriverPdo::transactionRollback() : Method to roll back a transaction.
JDatabaseDriverMysql::transactionRollback() : Method to roll back a transaction.
JDatabaseDriverPostgresql::transactionRollback() : Method to roll back a transaction.

transactionStart (line 1579)

Method to initialize a transaction.

abstract:
throws: RuntimeException
since: 11.1
access: public

void transactionStart ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::transactionStart() : Method to initialize a transaction.
JDatabaseDriverPdo::transactionStart() : Method to initialize a transaction.
JDatabaseDriverMysql::transactionStart() : Method to initialize a transaction.
JDatabaseDriverPostgresql::transactionStart() : Method to initialize a transaction.

truncateTable (line 1591)

Method to truncate a table.

since: 11.3
throws: RuntimeException
access: public

void truncateTable (string $table)

string $table: The table to truncate

unlockTables (line 1688)

Unlocks tables in the database.

return: Returns this object to support chaining.
abstract:
throws: RuntimeException
since: 11.4
access: public

JDatabaseDriver unlockTables ()

Redefined in descendants as:

JDatabaseDriverSqlsrv::unlockTables() : Unlocks tables in the database.
JDatabaseDriverOracle::unlockTables() : Unlocks tables in the database.
JDatabaseDriverSqlite::unlockTables() : Unlocks tables in the database.
JDatabaseDriverMysql::unlockTables() : Unlocks tables in the database.
JDatabaseDriverPostgresql::unlockTables() : Unlocks tables in the database, this command does not exist in PostgreSQL, it is automatically done on commit or rollback.

updateObject (line 1610)

Updates a row in a table based on an object's properties.

return: True on success.
since: 11.1
throws: RuntimeException
access: public

boolean updateObject (string $table, object &$object, string $key, [boolean $nulls = false])

string $table: The name of the database table to update.
object &$object: A reference to an object whose public properties match the table fields.
string $key: The name of the primary key.
boolean $nulls: True to update null fields or false to ignore them.

Redefined in descendants as:

JDatabaseDriverPostgresql::updateObject() : Updates a row in a table based on an object's properties.

__call (line 341)

Magic method to provide method alias support for quote() and quoteName().

return: The aliased method's return value or null.
since: 11.1
access: public

string __call (string $method, array $args)

string $method: The called method.
array $args: The array of arguments passed to the method.

Inherited Methods

Inherited From JDatabase

JDatabase::getConnectors()
JDatabase::getErrorMsg()
JDatabase::getErrorNum()
JDatabase::getInstance()
JDatabase::query()
JDatabase::splitSql()
JDatabase::stderr()
JDatabase::test()

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JDatabaseDriver

Inherited Methods