<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Db
* @subpackage Table
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id$
*/
/**
* @see Zend_Db_Adapter_Abstract
*/
require_once 'Zend/Db/Adapter/Abstract.php';
/**
* @see Zend_Db_Adapter_Abstract
*/
require_once 'Zend/Db/Select.php';
/**
* @see Zend_Db
*/
require_once 'Zend/Db.php';
/**
* Class for SQL table interface.
*
* @category Zend
* @package Zend_Db
* @subpackage Table
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
abstract class Zend_Db_Table_Abstract
{
const ADAPTER = 'db';
const DEFINITION = 'definition';
const DEFINITION_CONFIG_NAME = 'definitionConfigName';
const SCHEMA = 'schema';
const NAME = 'name';
const PRIMARY = 'primary';
const COLS = 'cols';
const METADATA = 'metadata';
const METADATA_CACHE = 'metadataCache';
const METADATA_CACHE_IN_CLASS = 'metadataCacheInClass';
const ROW_CLASS = 'rowClass';
const ROWSET_CLASS = 'rowsetClass';
const REFERENCE_MAP = 'referenceMap';
const DEPENDENT_TABLES = 'dependentTables';
const SEQUENCE = 'sequence';
const COLUMNS = 'columns';
const REF_TABLE_CLASS = 'refTableClass';
const REF_COLUMNS = 'refColumns';
const ON_DELETE = 'onDelete';
const ON_UPDATE = 'onUpdate';
const CASCADE = 'cascade';
const CASCADE_RECURSE = 'cascadeRecurse';
const RESTRICT = 'restrict';
const SET_NULL = 'setNull';
const DEFAULT_NONE = 'defaultNone';
const DEFAULT_CLASS = 'defaultClass';
const DEFAULT_DB = 'defaultDb';
const SELECT_WITH_FROM_PART = true;
const SELECT_WITHOUT_FROM_PART = false;
/**
* Default Zend_Db_Adapter_Abstract object.
*
* @var Zend_Db_Adapter_Abstract
*/
protected static $_defaultDb;
/**
* Optional Zend_Db_Table_Definition object
*
* @var unknown_type
*/
protected $_definition = null;
/**
* Optional definition config name used in concrete implementation
*
* @var string
*/
protected $_definitionConfigName = null;
/**
* Default cache for information provided by the adapter's describeTable() method.
*
* @var Zend_Cache_Core
*/
protected static $_defaultMetadataCache = null;
/**
* Zend_Db_Adapter_Abstract object.
*
* @var Zend_Db_Adapter_Abstract
*/
protected $_db;
/**
* The schema name (default null means current schema)
*
* @var array
*/
protected $_schema = null;
/**
* The table name.
*
* @var string
*/
protected $_name = null;
/**
* The table column names derived from Zend_Db_Adapter_Abstract::describeTable().
*
* @var array
*/
protected $_cols;
/**
* The primary key column or columns.
* A compound key should be declared as an array.
* You may declare a single-column primary key
* as a string.
*
* @var mixed
*/
protected $_primary = null;
/**
* If your primary key is a compound key, and one of the columns uses
* an auto-increment or sequence-generated value, set _identity
* to the ordinal index in the $_primary array for that column.
* Note this index is the position of the column in the primary key,
* not the position of the column in the table. The primary key
* array is 1-based.
*
* @var integer
*/
protected $_identity = 1;
/**
* Define the logic for new values in the primary key.
* May be a string, boolean true, or boolean false.
*
* @var mixed
*/
protected $_sequence = true;
/**
* Information provided by the adapter's describeTable() method.
*
* @var array
*/
protected $_metadata = array();
/**
* Cache for information provided by the adapter's describeTable() method.
*
* @var Zend_Cache_Core
*/
protected $_metadataCache = null;
/**
* Flag: whether or not to cache metadata in the class
* @var bool
*/
protected $_metadataCacheInClass = true;
/**
* Classname for row
*
* @var string
*/
protected $_rowClass = 'Zend_Db_Table_Row';
/**
* Classname for rowset
*
* @var string
*/
protected $_rowsetClass = 'Zend_Db_Table_Rowset';
/**
* Associative array map of declarative referential integrity rules.
* This array has one entry per foreign key in the current table.
* Each key is a mnemonic name for one reference rule.
*
* Each value is also an associative array, with the following keys:
* - columns = array of names of column(s) in the child table.
* - refTableClass = class name of the parent table.
* - refColumns = array of names of column(s) in the parent table,
* in the same order as those in the 'columns' entry.
* - onDelete = "cascade" means that a delete in the parent table also
* causes a delete of referencing rows in the child table.
* - onUpdate = "cascade" means that an update of primary key values in
* the parent table also causes an update of referencing
* rows in the child table.
*
* @var array
*/
protected $_referenceMap = array();
/**
* Simple array of class names of tables that are "children" of the current
* table, in other words tables that contain a foreign key to this one.
* Array elements are not table names; they are class names of classes that
* extend Zend_Db_Table_Abstract.
*
* @var array
*/
protected $_dependentTables = array();
protected $_defaultSource = self::DEFAULT_NONE;
protected $_defaultValues = array();
/**
* Constructor.
*
* Supported params for $config are:
* - db = user-supplied instance of database connector,
* or key name of registry instance.
* - name = table name.
* - primary = string or array of primary key(s).
* - rowClass = row class name.
* - rowsetClass = rowset class name.
* - referenceMap = array structure to declare relationship
* to parent tables.
* - dependentTables = array of child tables.
* - metadataCache = cache for information from adapter describeTable().
*
* @param mixed $config Array of user-specified config options, or just the Db Adapter.
* @return void
*/
public function __construct($config = array())
{
/**
* Allow a scalar argument to be the Adapter object or Registry key.
*/
if (!is_array($config)) {
$config = array(self::ADAPTER => $config);
}
if ($config) {
$this->setOptions($config);
}
$this->_setup();
$this->init();
}
/**
* setOptions()
*
* @param array $options
* @return Zend_Db_Table_Abstract
*/
public function setOptions(Array $options)
{
foreach ($options as $key => $value) {
switch ($key) {
case self::ADAPTER:
$this->_setAdapter($value);
break;
case self::DEFINITION:
$this->setDefinition($value);
break;
case self::DEFINITION_CONFIG_NAME:
$this->setDefinitionConfigName($value);
break;
case self::SCHEMA:
$this->_schema = (string) $value;
break;
case self::NAME:
$this->_name = (string) $value;
break;
case self::PRIMARY:
$this->_primary = (array) $value;
break;
case self::ROW_CLASS:
$this->setRowClass($value);
break;
case self::ROWSET_CLASS:
$this->setRowsetClass($value);
break;
case self::REFERENCE_MAP:
$this->setReferences($value);
break;
case self::DEPENDENT_TABLES:
$this->setDependentTables($value);
break;
case self::METADATA_CACHE:
$this->_setMetadataCache($value);
break;
case self::METADATA_CACHE_IN_CLASS:
$this->setMetadataCacheInClass($value);
break;
case self::SEQUENCE:
$this->_setSequence($value);
break;
default:
// ignore unrecognized configuration directive
break;
}
}
return $this;
}
/**
* setDefinition()
*
* @param Zend_Db_Table_Definition $definition
* @return Zend_Db_Table_Abstract
*/
public function setDefinition(Zend_Db_Table_Definition $definition)
{
$this->_definition = $definition;
return $this;
}
/**
* getDefinition()
*
* @return Zend_Db_Table_Definition|null
*/
public function getDefinition()
{
return $this->_definition;
}
/**
* setDefinitionConfigName()
*
* @param string $definition
* @return Zend_Db_Table_Abstract
*/
public function setDefinitionConfigName($definitionConfigName)
{
$this->_definitionConfigName = $definitionConfigName;
return $this;
}
/**
* getDefinitionConfigName()
*
* @return string
*/
public function getDefinitionConfigName()
{
return $this->_definitionConfigName;
}
/**
* @param string $classname
* @return Zend_Db_Table_Abstract Provides a fluent interface
*/
public function setRowClass($classname)
{
$this->_rowClass = (string) $classname;
return $this;
}
/**
* @return string
*/
public function getRowClass()
{
return $this->_rowClass;
}
/**
* @param string $classname
* @return Zend_Db_Table_Abstract Provides a fluent interface
*/
public function setRowsetClass($classname)
{
$this->_rowsetClass = (string) $classname;
return $this;
}
/**
* @return string
*/
public function getRowsetClass()
{
return $this->_rowsetClass;
}
/**
* Add a reference to the reference map
*
* @param string $ruleKey
* @param string|array $columns
* @param string $refTableClass
* @param string|array $refColumns
* @param string $onDelete
* @param string $onUpdate
* @return Zend_Db_Table_Abstract
*/
public function addReference($ruleKey, $columns, $refTableClass, $refColumns,
$onDelete = null, $onUpdate = null)
{
$reference = array(self::COLUMNS => (array) $columns,
self::REF_TABLE_CLASS => $refTableClass,
self::REF_COLUMNS => (array) $refColumns);
if (!empty($onDelete)) {
$reference[self::ON_DELETE] = $onDelete;
}
if (!empty($onUpdate)) {
$reference[self::ON_UPDATE] = $onUpdate;
}
$this->_referenceMap[$ruleKey] = $reference;
return $this;
}
/**
* @param array $referenceMap
* @return Zend_Db_Table_Abstract Provides a fluent interface
*/
public function setReferences(array $referenceMap)
{
$this->_referenceMap = $referenceMap;
return $this;
}
/**
* @param string $tableClassname
* @param string $ruleKey OPTIONAL
* @return array
* @throws Zend_Db_Table_Exception
*/
public function getReference($tableClassname, $ruleKey = null)
{
$thisClass = get_class($this);
if ($thisClass === 'Zend_Db_Table') {
$thisClass = $this->_definitionConfigName;
}
$refMap = $this->_getReferenceMapNormalized();
if ($ruleKey !== null) {
if (!isset($refMap[$ruleKey])) {
require_once "Zend/Db/Table/Exception.php";
throw new Zend_Db_Table_Exception("No reference rule \"$ruleKey\" from table $thisClass to table $tableClassname");
}
if ($refMap[$ruleKey][self::REF_TABLE_CLASS] != $tableClassname) {
require_once "Zend/Db/Table/Exception.php";
throw new Zend_Db_Table_Exception("Reference rule \"$ruleKey\" does not reference table $tableClassname");
}
return $refMap[$ruleKey];
}
foreach ($refMap as $reference) {
if ($reference[self::REF_TABLE_CLASS] == $tableClassname) {
return $reference;
}
}
require_once "Zend/Db/Table/Exception.php";
throw new Zend_Db_Table_Exception("No reference from table $thisClass to table $tableClassname");
}
/**
* @param array $dependentTables
* @return Zend_Db_Table_Abstract Provides a fluent interface
*/
public function setDependentTables(array $dependentTables)
{
$this->_dependentTables = $dependentTables;
return $this;
}
/**
* @return array
*/
public function getDependentTables()
{
return $this->_dependentTables;
}
/**
* set the defaultSource property - this tells the table class where to find default values
*
* @param string $defaultSource
* @return Zend_Db_Table_Abstract
*/
public function setDefaultSource($defaultSource = self::DEFAULT_NONE)
{
if (!in_array($defaultSource, array(self::DEFAULT_CLASS, self::DEFAULT_DB, self::DEFAULT_NONE))) {
$defaultSource = self::DEFAULT_NONE;
}
$this->_defaultSource = $defaultSource;
return $this;
}
/**
* returns the default source flag that determines where defaultSources come from
*
* @return unknown
*/
public function getDefaultSource()
{
return $this->_defaultSource;
}
/**
* set the default values for the table class
*
* @param array $defaultValues
* @return Zend_Db_Table_Abstract
*/
public function setDefaultValues(Array $defaultValues)
{
foreach ($defaultValues as $defaultName => $defaultValue) {
if (array_key_exists($defaultName, $this->_metadata)) {
$this->_defaultValues[$defaultName] = $defaultValue;
}
}
return $this;
}
public function getDefaultValues()
{
return $this->_defaultValues;
}
/**
* Sets the default Zend_Db_Adapter_Abstract for all Zend_Db_Table objects.
*
* @param mixed $db Either an Adapter object, or a string naming a Registry key
* @return void
*/
public static function setDefaultAdapter($db = null)
{
self::$_defaultDb = self::_setupAdapter($db);
}
/**
* Gets the default Zend_Db_Adapter_Abstract for all Zend_Db_Table objects.
*
* @return Zend_Db_Adapter_Abstract or null
*/
public static function getDefaultAdapter()
{
return self::$_defaultDb;
}
/**
* @param mixed $db Either an Adapter object, or a string naming a Registry key
* @return Zend_Db_Table_Abstract Provides a fluent interface
*/
protected function _setAdapter($db)
{
$this->_db = self::_setupAdapter($db);
return $this;
}
/**
* Gets the Zend_Db_Adapter_Abstract for this particular Zend_Db_Table object.
*
* @return Zend_Db_Adapter_Abstract
*/
public function getAdapter()
{
return $this->_db;
}
/**
* @param mixed $db Either an Adapter object, or a string naming a Registry key
* @return Zend_Db_Adapter_Abstract
* @throws Zend_Db_Table_Exception
*/
protected static function _setupAdapter($db)
{
if ($db === null) {
return null;
}
if (is_string($db)) {
require_once 'Zend/Registry.php';
$db = Zend_Registry::get($db);
}
if (!$db instanceof Zend_Db_Adapter_Abstract) {
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception('Argument must be of type Zend_Db_Adapter_Abstract, or a Registry key where a Zend_Db_Adapter_Abstract object is stored');
}
return $db;
}
/**
* Sets the default metadata cache for information returned by Zend_Db_Adapter_Abstract::describeTable().
*
* If $defaultMetadataCache is null, then no metadata cache is used by default.
*
* @param mixed $metadataCache Either a Cache object, or a string naming a Registry key
* @return void
*/
public static function setDefaultMetadataCache($metadataCache = null)
{
self::$_defaultMetadataCache = self::_setupMetadataCache($metadataCache);
}
/**
* Gets the default metadata cache for information returned by Zend_Db_Adapter_Abstract::describeTable().
*
* @return Zend_Cache_Core or null
*/
public static function getDefaultMetadataCache()
{
return self::$_defaultMetadataCache;
}
/**
* Sets the metadata cache for information returned by Zend_Db_Adapter_Abstract::describeTable().
*
* If $metadataCache is null, then no metadata cache is used. Since there is no opportunity to reload metadata
* after instantiation, this method need not be public, particularly because that it would have no effect
* results in unnecessary API complexity. To configure the metadata cache, use the metadataCache configuration
* option for the class constructor upon instantiation.
*
* @param mixed $metadataCache Either a Cache object, or a string naming a Registry key
* @return Zend_Db_Table_Abstract Provides a fluent interface
*/
protected function _setMetadataCache($metadataCache)
{
$this->_metadataCache = self::_setupMetadataCache($metadataCache);
return $this;
}
/**
* Gets the metadata cache for information returned by Zend_Db_Adapter_Abstract::describeTable().
*
* @return Zend_Cache_Core or null
*/
public function getMetadataCache()
{
return $this->_metadataCache;
}
/**
* Indicate whether metadata should be cached in the class for the duration
* of the instance
*
* @param bool $flag
* @return Zend_Db_Table_Abstract
*/
public function setMetadataCacheInClass($flag)
{
$this->_metadataCacheInClass = (bool) $flag;
return $this;
}
/**
* Retrieve flag indicating if metadata should be cached for duration of
* instance
*
* @return bool
*/
public function metadataCacheInClass()
{
return $this->_metadataCacheInClass;
}
/**
* @param mixed $metadataCache Either a Cache object, or a string naming a Registry key
* @return Zend_Cache_Core
* @throws Zend_Db_Table_Exception
*/
protected static function _setupMetadataCache($metadataCache)
{
if ($metadataCache === null) {
return null;
}
if (is_string($metadataCache)) {
require_once 'Zend/Registry.php';
$metadataCache = Zend_Registry::get($metadataCache);
}
if (!$metadataCache instanceof Zend_Cache_Core) {
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception('Argument must be of type Zend_Cache_Core, or a Registry key where a Zend_Cache_Core object is stored');
}
return $metadataCache;
}
/**
* Sets the sequence member, which defines the behavior for generating
* primary key values in new rows.
* - If this is a string, then the string names the sequence object.
* - If this is boolean true, then the key uses an auto-incrementing
* or identity mechanism.
* - If this is boolean false, then the key is user-defined.
* Use this for natural keys, for example.
*
* @param mixed $sequence
* @return Zend_Db_Table_Adapter_Abstract Provides a fluent interface
*/
protected function _setSequence($sequence)
{
$this->_sequence = $sequence;
return $this;
}
/**
* Turnkey for initialization of a table object.
* Calls other protected methods for individual tasks, to make it easier
* for a subclass to override part of the setup logic.
*
* @return void
*/
protected function _setup()
{
$this->_setupDatabaseAdapter();
$this->_setupTableName();
}
/**
* Initialize database adapter.
*
* @return void
* @throws Zend_Db_Table_Exception
*/
protected function _setupDatabaseAdapter()
{
if (! $this->_db) {
$this->_db = self::getDefaultAdapter();
if (!$this->_db instanceof Zend_Db_Adapter_Abstract) {
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception('No adapter found for ' . get_class($this));
}
}
}
/**
* Initialize table and schema names.
*
* If the table name is not set in the class definition,
* use the class name itself as the table name.
*
* A schema name provided with the table name (e.g., "schema.table") overrides
* any existing value for $this->_schema.
*
* @return void
*/
protected function _setupTableName()
{
if (! $this->_name) {
$this->_name = get_class($this);
} else if (strpos($this->_name, '.')) {
list($this->_schema, $this->_name) = explode('.', $this->_name);
}
}
/**
* Initializes metadata.
*
* If metadata cannot be loaded from cache, adapter's describeTable() method is called to discover metadata
* information. Returns true if and only if the metadata are loaded from cache.
*
* @return boolean
* @throws Zend_Db_Table_Exception
*/
protected function _setupMetadata()
{
if ($this->metadataCacheInClass() && (count($this->_metadata) > 0)) {
return true;
}
// Assume that metadata will be loaded from cache
$isMetadataFromCache = true;
// If $this has no metadata cache but the class has a default metadata cache
if (null === $this->_metadataCache && null !== self::$_defaultMetadataCache) {
// Make $this use the default metadata cache of the class
$this->_setMetadataCache(self::$_defaultMetadataCache);
}
// If $this has a metadata cache
if (null !== $this->_metadataCache) {
// Define the cache identifier where the metadata are saved
//get db configuration
$dbConfig = $this->_db->getConfig();
$port = isset($dbConfig['options']['port'])
? ':'.$dbConfig['options']['port']
: (isset($dbConfig['port'])
? ':'.$dbConfig['port']
: null);
$host = isset($dbConfig['options']['host'])
? ':'.$dbConfig['options']['host']
: (isset($dbConfig['host'])
? ':'.$dbConfig['host']
: null);
// Define the cache identifier where the metadata are saved
$cacheId = md5( // port:host/dbname:schema.table (based on availabilty)
$port . $host . '/'. $dbConfig['dbname'] . ':'
. $this->_schema. '.' . $this->_name
);
}
// If $this has no metadata cache or metadata cache misses
if (null === $this->_metadataCache || !($metadata = $this->_metadataCache->load($cacheId))) {
// Metadata are not loaded from cache
$isMetadataFromCache = false;
// Fetch metadata from the adapter's describeTable() method
$metadata = $this->_db->describeTable($this->_name, $this->_schema);
// If $this has a metadata cache, then cache the metadata
if (null !== $this->_metadataCache && !$this->_metadataCache->save($metadata, $cacheId)) {
trigger_error('Failed saving metadata to metadataCache', E_USER_NOTICE);
}
}
// Assign the metadata to $this
$this->_metadata = $metadata;
// Return whether the metadata were loaded from cache
return $isMetadataFromCache;
}
/**
* Retrieve table columns
*
* @return array
*/
protected function _getCols()
{
if (null === $this->_cols) {
$this->_setupMetadata();
$this->_cols = array_keys($this->_metadata);
}
return $this->_cols;
}
/**
* Initialize primary key from metadata.
* If $_primary is not defined, discover primary keys
* from the information returned by describeTable().
*
* @return void
* @throws Zend_Db_Table_Exception
*/
protected function _setupPrimaryKey()
{
if (!$this->_primary) {
$this->_setupMetadata();
$this->_primary = array();
foreach ($this->_metadata as $col) {
if ($col['PRIMARY']) {
$this->_primary[ $col['PRIMARY_POSITION'] ] = $col['COLUMN_NAME'];
if ($col['IDENTITY']) {
$this->_identity = $col['PRIMARY_POSITION'];
}
}
}
// if no primary key was specified and none was found in the metadata
// then throw an exception.
if (empty($this->_primary)) {
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception("A table must have a primary key, but none was found for table '{$this->_name}'");
}
} else if (!is_array($this->_primary)) {
$this->_primary = array(1 => $this->_primary);
} else if (isset($this->_primary[0])) {
array_unshift($this->_primary, null);
unset($this->_primary[0]);
}
$cols = $this->_getCols();
if (! array_intersect((array) $this->_primary, $cols) == (array) $this->_primary) {
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception("Primary key column(s) ("
. implode(',', (array) $this->_primary)
. ") are not columns in this table ("
. implode(',', $cols)
. ")");
}
$primary = (array) $this->_primary;
$pkIdentity = $primary[(int) $this->_identity];
/**
* Special case for PostgreSQL: a SERIAL key implicitly uses a sequence
* object whose name is "<table>_<column>_seq".
*/
if ($this->_sequence === true && $this->_db instanceof Zend_Db_Adapter_Pdo_Pgsql) {
$this->_sequence = $this->_db->quoteIdentifier("{$this->_name}_{$pkIdentity}_seq");
if ($this->_schema) {
$this->_sequence = $this->_db->quoteIdentifier($this->_schema) . '.' . $this->_sequence;
}
}
}
/**
* Returns a normalized version of the reference map
*
* @return array
*/
protected function _getReferenceMapNormalized()
{
$referenceMapNormalized = array();
foreach ($this->_referenceMap as $rule => $map) {
$referenceMapNormalized[$rule] = array();
foreach ($map as $key => $value) {
switch ($key) {
// normalize COLUMNS and REF_COLUMNS to arrays
case self::COLUMNS:
case self::REF_COLUMNS:
if (!is_array($value)) {
$referenceMapNormalized[$rule][$key] = array($value);
} else {
$referenceMapNormalized[$rule][$key] = $value;
}
break;
// other values are copied as-is
default:
$referenceMapNormalized[$rule][$key] = $value;
break;
}
}
}
return $referenceMapNormalized;
}
/**
* Initialize object
*
* Called from {@link __construct()} as final step of object instantiation.
*
* @return void
*/
public function init()
{
}
/**
* Returns table information.
*
* You can elect to return only a part of this information by supplying its key name,
* otherwise all information is returned as an array.
*
* @param string $key The specific info part to return OPTIONAL
* @return mixed
* @throws Zend_Db_Table_Exception
*/
public function info($key = null)
{
$this->_setupPrimaryKey();
$info = array(
self::SCHEMA => $this->_schema,
self::NAME => $this->_name,
self::COLS => $this->_getCols(),
self::PRIMARY => (array) $this->_primary,
self::METADATA => $this->_metadata,
self::ROW_CLASS => $this->getRowClass(),
self::ROWSET_CLASS => $this->getRowsetClass(),
self::REFERENCE_MAP => $this->_referenceMap,
self::DEPENDENT_TABLES => $this->_dependentTables,
self::SEQUENCE => $this->_sequence
);
if ($key === null) {
return $info;
}
if (!array_key_exists($key, $info)) {
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception('There is no table information for the key "' . $key . '"');
}
return $info[$key];
}
/**
* Returns an instance of a Zend_Db_Table_Select object.
*
* @param bool $withFromPart Whether or not to include the from part of the select based on the table
* @return Zend_Db_Table_Select
*/
public function select($withFromPart = self::SELECT_WITHOUT_FROM_PART)
{
require_once 'Zend/Db/Table/Select.php';
$select = new Zend_Db_Table_Select($this);
if ($withFromPart == self::SELECT_WITH_FROM_PART) {
$select->from($this->info(self::NAME), Zend_Db_Table_Select::SQL_WILDCARD, $this->info(self::SCHEMA));
}
return $select;
}
/**
* Inserts a new row.
*
* @param array $data Column-value pairs.
* @return mixed The primary key of the row inserted.
*/
public function insert(array $data)
{
$this->_setupPrimaryKey();
/**
* Zend_Db_Table assumes that if you have a compound primary key
* and one of the columns in the key uses a sequence,
* it's the _first_ column in the compound key.
*/
$primary = (array) $this->_primary;
$pkIdentity = $primary[(int)$this->_identity];
/**
* If this table uses a database sequence object and the data does not
* specify a value, then get the next ID from the sequence and add it
* to the row. We assume that only the first column in a compound
* primary key takes a value from a sequence.
*/
if (is_string($this->_sequence) && !isset($data[$pkIdentity])) {
$data[$pkIdentity] = $this->_db->nextSequenceId($this->_sequence);
$pkSuppliedBySequence = true;
}
/**
* If the primary key can be generated automatically, and no value was
* specified in the user-supplied data, then omit it from the tuple.
*
* Note: this checks for sensible values in the supplied primary key
* position of the data. The following values are considered empty:
* null, false, true, '', array()
*/
if (!isset($pkSuppliedBySequence) && array_key_exists($pkIdentity, $data)) {
if ($data[$pkIdentity] === null // null
|| $data[$pkIdentity] === '' // empty string
|| is_bool($data[$pkIdentity]) // boolean
|| (is_array($data[$pkIdentity]) && empty($data[$pkIdentity]))) { // empty array
unset($data[$pkIdentity]);
}
}
/**
* INSERT the new row.
*/
$tableSpec = ($this->_schema ? $this->_schema . '.' : '') . $this->_name;
$this->_db->insert($tableSpec, $data);
/**
* Fetch the most recent ID generated by an auto-increment
* or IDENTITY column, unless the user has specified a value,
* overriding the auto-increment mechanism.
*/
if ($this->_sequence === true && !isset($data[$pkIdentity])) {
$data[$pkIdentity] = $this->_db->lastInsertId();
}
/**
* Return the primary key value if the PK is a single column,
* else return an associative array of the PK column/value pairs.
*/
$pkData = array_intersect_key($data, array_flip($primary));
if (count($primary) == 1) {
reset($pkData);
return current($pkData);
}
return $pkData;
}
/**
* Check if the provided column is an identity of the table
*
* @param string $column
* @throws Zend_Db_Table_Exception
* @return boolean
*/
public function isIdentity($column)
{
$this->_setupPrimaryKey();
if (!isset($this->_metadata[$column])) {
/**
* @see Zend_Db_Table_Exception
*/
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception('Column "' . $column . '" not found in table.');
}
return (bool) $this->_metadata[$column]['IDENTITY'];
}
/**
* Updates existing rows.
*
* @param array $data Column-value pairs.
* @param array|string $where An SQL WHERE clause, or an array of SQL WHERE clauses.
* @return int The number of rows updated.
*/
public function update(array $data, $where)
{
$tableSpec = ($this->_schema ? $this->_schema . '.' : '') . $this->_name;
return $this->_db->update($tableSpec, $data, $where);
}
/**
* Called by a row object for the parent table's class during save() method.
*
* @param string $parentTableClassname
* @param array $oldPrimaryKey
* @param array $newPrimaryKey
* @return int
*/
public function _cascadeUpdate($parentTableClassname, array $oldPrimaryKey, array $newPrimaryKey)
{
$this->_setupMetadata();
$rowsAffected = 0;
foreach ($this->_getReferenceMapNormalized() as $map) {
if ($map[self::REF_TABLE_CLASS] == $parentTableClassname && isset($map[self::ON_UPDATE])) {
switch ($map[self::ON_UPDATE]) {
case self::CASCADE:
$newRefs = array();
$where = array();
for ($i = 0; $i < count($map[self::COLUMNS]); ++$i) {
$col = $this->_db->foldCase($map[self::COLUMNS][$i]);
$refCol = $this->_db->foldCase($map[self::REF_COLUMNS][$i]);
if (array_key_exists($refCol, $newPrimaryKey)) {
$newRefs[$col] = $newPrimaryKey[$refCol];
}
$type = $this->_metadata[$col]['DATA_TYPE'];
$where[] = $this->_db->quoteInto(
$this->_db->quoteIdentifier($col, true) . ' = ?',
$oldPrimaryKey[$refCol], $type);
}
$rowsAffected += $this->update($newRefs, $where);
break;
default:
// no action
break;
}
}
}
return $rowsAffected;
}
/**
* Deletes existing rows.
*
* @param array|string $where SQL WHERE clause(s).
* @return int The number of rows deleted.
*/
public function delete($where)
{
$depTables = $this->getDependentTables();
if (!empty($depTables)) {
$resultSet = $this->fetchAll($where);
if (count($resultSet) > 0 ) {
foreach ($resultSet as $row) {
/**
* Execute cascading deletes against dependent tables
*/
foreach ($depTables as $tableClass) {
$t = self::getTableFromString($tableClass, $this);
$t->_cascadeDelete($tableClass, $row->getPrimaryKey());
}
}
}
}
$tableSpec = ($this->_schema ? $this->_schema . '.' : '') . $this->_name;
return $this->_db->delete($tableSpec, $where);
}
/**
* Called by parent table's class during delete() method.
*
* @param string $parentTableClassname
* @param array $primaryKey
* @return int Number of affected rows
*/
public function _cascadeDelete($parentTableClassname, array $primaryKey)
{
// setup metadata
$this->_setupMetadata();
// get this class name
$thisClass = get_class($this);
if ($thisClass === 'Zend_Db_Table') {
$thisClass = $this->_definitionConfigName;
}
$rowsAffected = 0;
foreach ($this->_getReferenceMapNormalized() as $map) {
if ($map[self::REF_TABLE_CLASS] == $parentTableClassname && isset($map[self::ON_DELETE])) {
$where = array();
// CASCADE or CASCADE_RECURSE
if (in_array($map[self::ON_DELETE], array(self::CASCADE, self::CASCADE_RECURSE))) {
for ($i = 0; $i < count($map[self::COLUMNS]); ++$i) {
$col = $this->_db->foldCase($map[self::COLUMNS][$i]);
$refCol = $this->_db->foldCase($map[self::REF_COLUMNS][$i]);
$type = $this->_metadata[$col]['DATA_TYPE'];
$where[] = $this->_db->quoteInto(
$this->_db->quoteIdentifier($col, true) . ' = ?',
$primaryKey[$refCol], $type);
}
}
// CASCADE_RECURSE
if ($map[self::ON_DELETE] == self::CASCADE_RECURSE) {
/**
* Execute cascading deletes against dependent tables
*/
$depTables = $this->getDependentTables();
if (!empty($depTables)) {
foreach ($depTables as $tableClass) {
$t = self::getTableFromString($tableClass, $this);
foreach ($this->fetchAll($where) as $depRow) {
$rowsAffected += $t->_cascadeDelete($thisClass, $depRow->getPrimaryKey());
}
}
}
}
// CASCADE or CASCADE_RECURSE
if (in_array($map[self::ON_DELETE], array(self::CASCADE, self::CASCADE_RECURSE))) {
$rowsAffected += $this->delete($where);
}
}
}
return $rowsAffected;
}
/**
* Fetches rows by primary key. The argument specifies one or more primary
* key value(s). To find multiple rows by primary key, the argument must
* be an array.
*
* This method accepts a variable number of arguments. If the table has a
* multi-column primary key, the number of arguments must be the same as
* the number of columns in the primary key. To find multiple rows in a
* table with a multi-column primary key, each argument must be an array
* with the same number of elements.
*
* The find() method always returns a Rowset object, even if only one row
* was found.
*
* @param mixed $key The value(s) of the primary keys.
* @return Zend_Db_Table_Rowset_Abstract Row(s) matching the criteria.
* @throws Zend_Db_Table_Exception
*/
public function find()
{
$this->_setupPrimaryKey();
$args = func_get_args();
$keyNames = array_values((array) $this->_primary);
if (count($args) < count($keyNames)) {
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception("Too few columns for the primary key");
}
if (count($args) > count($keyNames)) {
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception("Too many columns for the primary key");
}
$whereList = array();
$numberTerms = 0;
foreach ($args as $keyPosition => $keyValues) {
$keyValuesCount = count($keyValues);
// Coerce the values to an array.
// Don't simply typecast to array, because the values
// might be Zend_Db_Expr objects.
if (!is_array($keyValues)) {
$keyValues = array($keyValues);
}
if ($numberTerms == 0) {
$numberTerms = $keyValuesCount;
} else if ($keyValuesCount != $numberTerms) {
require_once 'Zend/Db/Table/Exception.php';
throw new Zend_Db_Table_Exception("Missing value(s) for the primary key");
}
$keyValues = array_values($keyValues);
for ($i = 0; $i < $keyValuesCount; ++$i) {
if (!isset($whereList[$i])) {
$whereList[$i] = array();
}
$whereList[$i][$keyPosition] = $keyValues[$i];
}
}
$whereClause = null;
if (count($whereList)) {
$whereOrTerms = array();
$tableName = $this->_db->quoteTableAs($this->_name, null, true);
foreach ($whereList as $keyValueSets) {
$whereAndTerms = array();
foreach ($keyValueSets as $keyPosition => $keyValue) {
$type = $this->_metadata[$keyNames[$keyPosition]]['DATA_TYPE'];
$columnName = $this->_db->quoteIdentifier($keyNames[$keyPosition], true);
$whereAndTerms[] = $this->_db->quoteInto(
$tableName . '.' . $columnName . ' = ?',
$keyValue, $type);
}
$whereOrTerms[] = '(' . implode(' AND ', $whereAndTerms) . ')';
}
$whereClause = '(' . implode(' OR ', $whereOrTerms) . ')';
}
// issue ZF-5775 (empty where clause should return empty rowset)
if ($whereClause == null) {
$rowsetClass = $this->getRowsetClass();
if (!class_exists($rowsetClass)) {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($rowsetClass);
}
return new $rowsetClass(array('table' => $this, 'rowClass' => $this->getRowClass(), 'stored' => true));
}
return $this->fetchAll($whereClause);
}
/**
* Fetches all rows.
*
* Honors the Zend_Db_Adapter fetch mode.
*
* @param string|array|Zend_Db_Table_Select $where OPTIONAL An SQL WHERE clause or Zend_Db_Table_Select object.
* @param string|array $order OPTIONAL An SQL ORDER clause.
* @param int $count OPTIONAL An SQL LIMIT count.
* @param int $offset OPTIONAL An SQL LIMIT offset.
* @return Zend_Db_Table_Rowset_Abstract The row results per the Zend_Db_Adapter fetch mode.
*/
public function fetchAll($where = null, $order = null, $count = null, $offset = null)
{
if (!($where instanceof Zend_Db_Table_Select)) {
$select = $this->select();
if ($where !== null) {
$this->_where($select, $where);
}
if ($order !== null) {
$this->_order($select, $order);
}
if ($count !== null || $offset !== null) {
$select->limit($count, $offset);
}
} else {
$select = $where;
}
$rows = $this->_fetch($select);
$data = array(
'table' => $this,
'data' => $rows,
'readOnly' => $select->isReadOnly(),
'rowClass' => $this->getRowClass(),
'stored' => true
);
$rowsetClass = $this->getRowsetClass();
if (!class_exists($rowsetClass)) {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($rowsetClass);
}
return new $rowsetClass($data);
}
/**
* Fetches one row in an object of type Zend_Db_Table_Row_Abstract,
* or returns null if no row matches the specified criteria.
*
* @param string|array|Zend_Db_Table_Select $where OPTIONAL An SQL WHERE clause or Zend_Db_Table_Select object.
* @param string|array $order OPTIONAL An SQL ORDER clause.
* @param int $offset OPTIONAL An SQL OFFSET value.
* @return Zend_Db_Table_Row_Abstract|null The row results per the
* Zend_Db_Adapter fetch mode, or null if no row found.
*/
public function fetchRow($where = null, $order = null, $offset = null)
{
if (!($where instanceof Zend_Db_Table_Select)) {
$select = $this->select();
if ($where !== null) {
$this->_where($select, $where);
}
if ($order !== null) {
$this->_order($select, $order);
}
$select->limit(1, ((is_numeric($offset)) ? (int) $offset : null));
} else {
$select = $where->limit(1, $where->getPart(Zend_Db_Select::LIMIT_OFFSET));
}
$rows = $this->_fetch($select);
if (count($rows) == 0) {
return null;
}
$data = array(
'table' => $this,
'data' => $rows[0],
'readOnly' => $select->isReadOnly(),
'stored' => true
);
$rowClass = $this->getRowClass();
if (!class_exists($rowClass)) {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($rowClass);
}
return new $rowClass($data);
}
/**
* Fetches a new blank row (not from the database).
*
* @return Zend_Db_Table_Row_Abstract
* @deprecated since 0.9.3 - use createRow() instead.
*/
public function fetchNew()
{
return $this->createRow();
}
/**
* Fetches a new blank row (not from the database).
*
* @param array $data OPTIONAL data to populate in the new row.
* @param string $defaultSource OPTIONAL flag to force default values into new row
* @return Zend_Db_Table_Row_Abstract
*/
public function createRow(array $data = array(), $defaultSource = null)
{
$cols = $this->_getCols();
$defaults = array_combine($cols, array_fill(0, count($cols), null));
// nothing provided at call-time, take the class value
if ($defaultSource == null) {
$defaultSource = $this->_defaultSource;
}
if (!in_array($defaultSource, array(self::DEFAULT_CLASS, self::DEFAULT_DB, self::DEFAULT_NONE))) {
$defaultSource = self::DEFAULT_NONE;
}
if ($defaultSource == self::DEFAULT_DB) {
foreach ($this->_metadata as $metadataName => $metadata) {
if (($metadata['DEFAULT'] != null) &&
($metadata['NULLABLE'] !== true || ($metadata['NULLABLE'] === true && isset($this->_defaultValues[$metadataName]) && $this->_defaultValues[$metadataName] === true)) &&
(!(isset($this->_defaultValues[$metadataName]) && $this->_defaultValues[$metadataName] === false))) {
$defaults[$metadataName] = $metadata['DEFAULT'];
}
}
} elseif ($defaultSource == self::DEFAULT_CLASS && $this->_defaultValues) {
foreach ($this->_defaultValues as $defaultName => $defaultValue) {
if (array_key_exists($defaultName, $defaults)) {
$defaults[$defaultName] = $defaultValue;
}
}
}
$config = array(
'table' => $this,
'data' => $defaults,
'readOnly' => false,
'stored' => false
);
$rowClass = $this->getRowClass();
if (!class_exists($rowClass)) {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($rowClass);
}
$row = new $rowClass($config);
$row->setFromArray($data);
return $row;
}
/**
* Generate WHERE clause from user-supplied string or array
*
* @param string|array $where OPTIONAL An SQL WHERE clause.
* @return Zend_Db_Table_Select
*/
protected function _where(Zend_Db_Table_Select $select, $where)
{
$where = (array) $where;
foreach ($where as $key => $val) {
// is $key an int?
if (is_int($key)) {
// $val is the full condition
$select->where($val);
} else {
// $key is the condition with placeholder,
// and $val is quoted into the condition
$select->where($key, $val);
}
}
return $select;
}
/**
* Generate ORDER clause from user-supplied string or array
*
* @param string|array $order OPTIONAL An SQL ORDER clause.
* @return Zend_Db_Table_Select
*/
protected function _order(Zend_Db_Table_Select $select, $order)
{
if (!is_array($order)) {
$order = array($order);
}
foreach ($order as $val) {
$select->order($val);
}
return $select;
}
/**
* Support method for fetching rows.
*
* @param Zend_Db_Table_Select $select query options.
* @return array An array containing the row results in FETCH_ASSOC mode.
*/
protected function _fetch(Zend_Db_Table_Select $select)
{
$stmt = $this->_db->query($select);
$data = $stmt->fetchAll(Zend_Db::FETCH_ASSOC);
return $data;
}
public static function getTableFromString($tableName, Zend_Db_Table_Abstract $referenceTable = null)
{
if ($referenceTable instanceof Zend_Db_Table_Abstract) {
$tableDefinition = $referenceTable->getDefinition();
if ($tableDefinition !== null && $tableDefinition->hasTableConfig($tableName)) {
return new Zend_Db_Table($tableName, $tableDefinition);
}
}
// assume the tableName is the class name
if (!class_exists($tableName)) {
try {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($tableName);
} catch (Zend_Exception $e) {
require_once 'Zend/Db/Table/Row/Exception.php';
throw new Zend_Db_Table_Row_Exception($e->getMessage(), $e->getCode(), $e);
}
}
$options = array();
if ($referenceTable instanceof Zend_Db_Table_Abstract) {
$options['db'] = $referenceTable->getAdapter();
}
if (isset($tableDefinition) && $tableDefinition !== null) {
$options[Zend_Db_Table_Abstract::DEFINITION] = $tableDefinition;
}
return new $tableName($options);
}
}