646 lines
18 KiB
PHP
646 lines
18 KiB
PHP
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<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.doctrine-project.org>.
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*/
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namespace Doctrine\DBAL\Schema;
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use Doctrine\DBAL\Types\Type;
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use Doctrine\DBAL\Schema\Visitor\Visitor;
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use Doctrine\DBAL\DBALException;
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/**
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* Object Representation of a table
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*
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* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
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* @link www.doctrine-project.org
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* @since 2.0
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* @version $Revision$
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* @author Benjamin Eberlei <kontakt@beberlei.de>
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*/
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class Table extends AbstractAsset
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{
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/**
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* @var string
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*/
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protected $_name = null;
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/**
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* @var array
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*/
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protected $_columns = array();
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/**
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* @var array
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*/
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protected $_indexes = array();
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/**
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* @var string
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*/
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protected $_primaryKeyName = false;
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/**
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* @var array
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*/
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protected $_fkConstraints = array();
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/**
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* @var array
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*/
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protected $_options = array();
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/**
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* @var SchemaConfig
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*/
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protected $_schemaConfig = null;
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/**
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*
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* @param string $tableName
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* @param array $columns
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* @param array $indexes
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* @param array $fkConstraints
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* @param int $idGeneratorType
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* @param array $options
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*/
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public function __construct($tableName, array $columns=array(), array $indexes=array(), array $fkConstraints=array(), $idGeneratorType = 0, array $options=array())
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{
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if (strlen($tableName) == 0) {
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throw DBALException::invalidTableName($tableName);
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}
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$this->_setName($tableName);
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$this->_idGeneratorType = $idGeneratorType;
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foreach ($columns AS $column) {
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$this->_addColumn($column);
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}
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foreach ($indexes AS $idx) {
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$this->_addIndex($idx);
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}
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foreach ($fkConstraints AS $constraint) {
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$this->_addForeignKeyConstraint($constraint);
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}
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$this->_options = $options;
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}
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/**
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* @param SchemaConfig $schemaConfig
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*/
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public function setSchemaConfig(SchemaConfig $schemaConfig)
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{
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$this->_schemaConfig = $schemaConfig;
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}
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/**
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* @return int
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*/
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protected function _getMaxIdentifierLength()
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{
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if ($this->_schemaConfig instanceof SchemaConfig) {
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return $this->_schemaConfig->getMaxIdentifierLength();
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} else {
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return 63;
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}
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}
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/**
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* Set Primary Key
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*
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* @param array $columns
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* @param string $indexName
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* @return Table
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*/
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public function setPrimaryKey(array $columns, $indexName = false)
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{
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$primaryKey = $this->_createIndex($columns, $indexName ?: "primary", true, true);
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foreach ($columns AS $columnName) {
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$column = $this->getColumn($columnName);
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$column->setNotnull(true);
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}
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return $primaryKey;
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}
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/**
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* @param array $columnNames
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* @param string $indexName
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* @return Table
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*/
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public function addIndex(array $columnNames, $indexName = null)
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{
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if($indexName == null) {
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$indexName = $this->_generateIdentifierName(
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array_merge(array($this->getName()), $columnNames), "idx", $this->_getMaxIdentifierLength()
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);
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}
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return $this->_createIndex($columnNames, $indexName, false, false);
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}
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/**
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*
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* @param array $columnNames
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* @param string $indexName
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* @return Table
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*/
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public function addUniqueIndex(array $columnNames, $indexName = null)
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{
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if ($indexName === null) {
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$indexName = $this->_generateIdentifierName(
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array_merge(array($this->getName()), $columnNames), "uniq", $this->_getMaxIdentifierLength()
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);
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}
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return $this->_createIndex($columnNames, $indexName, true, false);
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}
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/**
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* Check if an index begins in the order of the given columns.
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*
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* @param array $columnsNames
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* @return bool
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*/
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public function columnsAreIndexed(array $columnsNames)
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{
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foreach ($this->getIndexes() AS $index) {
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/* @var $index Index */
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if ($index->spansColumns($columnsNames)) {
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return true;
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}
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}
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return false;
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}
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/**
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*
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* @param array $columnNames
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* @param string $indexName
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* @param bool $isUnique
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* @param bool $isPrimary
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* @return Table
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*/
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private function _createIndex(array $columnNames, $indexName, $isUnique, $isPrimary)
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{
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if (preg_match('(([^a-zA-Z0-9_]+))', $indexName)) {
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throw SchemaException::indexNameInvalid($indexName);
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}
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foreach ($columnNames AS $columnName => $indexColOptions) {
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if (is_numeric($columnName) && is_string($indexColOptions)) {
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$columnName = $indexColOptions;
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}
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if ( ! $this->hasColumn($columnName)) {
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throw SchemaException::columnDoesNotExist($columnName, $this->_name);
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}
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}
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$this->_addIndex(new Index($indexName, $columnNames, $isUnique, $isPrimary));
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return $this;
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}
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/**
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* @param string $columnName
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* @param string $columnType
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* @param array $options
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* @return Column
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*/
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public function addColumn($columnName, $typeName, array $options=array())
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{
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$column = new Column($columnName, Type::getType($typeName), $options);
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$this->_addColumn($column);
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return $column;
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}
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/**
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* Rename Column
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*
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* @param string $oldColumnName
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* @param string $newColumnName
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* @return Table
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*/
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public function renameColumn($oldColumnName, $newColumnName)
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{
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$column = $this->getColumn($oldColumnName);
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$this->dropColumn($oldColumnName);
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$column->_setName($newColumnName);
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return $this;
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}
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/**
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* Change Column Details
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*
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* @param string $columnName
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* @param array $options
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* @return Table
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*/
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public function changeColumn($columnName, array $options)
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{
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$column = $this->getColumn($columnName);
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$column->setOptions($options);
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return $this;
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}
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/**
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* Drop Column from Table
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*
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* @param string $columnName
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* @return Table
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*/
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public function dropColumn($columnName)
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{
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$columnName = strtolower($columnName);
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$column = $this->getColumn($columnName);
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unset($this->_columns[$columnName]);
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return $this;
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}
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/**
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* Add a foreign key constraint
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*
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* Name is inferred from the local columns
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*
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* @param Table $foreignTable
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* @param array $localColumns
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* @param array $foreignColumns
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* @param array $options
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* @param string $constraintName
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* @return Table
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*/
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public function addForeignKeyConstraint($foreignTable, array $localColumnNames, array $foreignColumnNames, array $options=array(), $constraintName = null)
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{
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$constraintName = $constraintName ?: $this->_generateIdentifierName(array_merge((array)$this->getName(), $localColumnNames), "fk", $this->_getMaxIdentifierLength());
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return $this->addNamedForeignKeyConstraint($constraintName, $foreignTable, $localColumnNames, $foreignColumnNames, $options);
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}
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/**
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* Add a foreign key constraint
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*
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* Name is to be generated by the database itsself.
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*
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* @deprecated Use {@link addForeignKeyConstraint}
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* @param Table $foreignTable
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* @param array $localColumns
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* @param array $foreignColumns
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* @param array $options
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* @return Table
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*/
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public function addUnnamedForeignKeyConstraint($foreignTable, array $localColumnNames, array $foreignColumnNames, array $options=array())
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{
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return $this->addForeignKeyConstraint($foreignTable, $localColumnNames, $foreignColumnNames, $options);
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}
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/**
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* Add a foreign key constraint with a given name
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*
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* @deprecated Use {@link addForeignKeyConstraint}
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* @param string $name
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* @param Table $foreignTable
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* @param array $localColumns
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* @param array $foreignColumns
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* @param array $options
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* @return Table
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*/
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public function addNamedForeignKeyConstraint($name, $foreignTable, array $localColumnNames, array $foreignColumnNames, array $options=array())
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{
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if ($foreignTable instanceof Table) {
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$foreignTableName = $foreignTable->getName();
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foreach ($foreignColumnNames AS $columnName) {
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if ( ! $foreignTable->hasColumn($columnName)) {
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throw SchemaException::columnDoesNotExist($columnName, $foreignTable->getName());
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}
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}
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} else {
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$foreignTableName = $foreignTable;
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}
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foreach ($localColumnNames AS $columnName) {
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if ( ! $this->hasColumn($columnName)) {
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throw SchemaException::columnDoesNotExist($columnName, $this->_name);
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}
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}
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$constraint = new ForeignKeyConstraint(
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$localColumnNames, $foreignTableName, $foreignColumnNames, $name, $options
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);
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$this->_addForeignKeyConstraint($constraint);
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return $this;
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}
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/**
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* @param string $name
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* @param string $value
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* @return Table
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*/
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public function addOption($name, $value)
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{
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$this->_options[$name] = $value;
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return $this;
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}
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/**
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* @param Column $column
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*/
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protected function _addColumn(Column $column)
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{
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$columnName = $column->getName();
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$columnName = strtolower($columnName);
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if (isset($this->_columns[$columnName])) {
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throw SchemaException::columnAlreadyExists($this->getName(), $columnName);
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}
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$this->_columns[$columnName] = $column;
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}
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/**
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* Add index to table
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*
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* @param Index $indexCandidate
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* @return Table
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*/
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protected function _addIndex(Index $indexCandidate)
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{
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// check for duplicates
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foreach ($this->_indexes AS $existingIndex) {
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if ($indexCandidate->isFullfilledBy($existingIndex)) {
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return $this;
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}
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}
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$indexName = $indexCandidate->getName();
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$indexName = strtolower($indexName);
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if (isset($this->_indexes[$indexName]) || ($this->_primaryKeyName != false && $indexCandidate->isPrimary())) {
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throw SchemaException::indexAlreadyExists($indexName, $this->_name);
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}
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// remove overruled indexes
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foreach ($this->_indexes AS $idxKey => $existingIndex) {
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if ($indexCandidate->overrules($existingIndex)) {
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unset($this->_indexes[$idxKey]);
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}
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}
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if ($indexCandidate->isPrimary()) {
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$this->_primaryKeyName = $indexName;
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}
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|
|
$this->_indexes[$indexName] = $indexCandidate;
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param ForeignKeyConstraint $constraint
|
||
|
|
*/
|
||
|
|
protected function _addForeignKeyConstraint(ForeignKeyConstraint $constraint)
|
||
|
|
{
|
||
|
|
$constraint->setLocalTable($this);
|
||
|
|
|
||
|
|
if(strlen($constraint->getName())) {
|
||
|
|
$name = $constraint->getName();
|
||
|
|
} else {
|
||
|
|
$name = $this->_generateIdentifierName(
|
||
|
|
array_merge((array)$this->getName(), $constraint->getLocalColumns()), "fk", $this->_getMaxIdentifierLength()
|
||
|
|
);
|
||
|
|
}
|
||
|
|
$name = strtolower($name);
|
||
|
|
|
||
|
|
$this->_fkConstraints[$name] = $constraint;
|
||
|
|
// add an explicit index on the foreign key columns. If there is already an index that fullfils this requirements drop the request.
|
||
|
|
// In the case of __construct calling this method during hydration from schema-details all the explicitly added indexes
|
||
|
|
// lead to duplicates. This creates compuation overhead in this case, however no duplicate indexes are ever added (based on columns).
|
||
|
|
$this->addIndex($constraint->getColumns());
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Does Table have a foreign key constraint with the given name?
|
||
|
|
* *
|
||
|
|
* @param string $constraintName
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function hasForeignKey($constraintName)
|
||
|
|
{
|
||
|
|
$constraintName = strtolower($constraintName);
|
||
|
|
return isset($this->_fkConstraints[$constraintName]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $constraintName
|
||
|
|
* @return ForeignKeyConstraint
|
||
|
|
*/
|
||
|
|
public function getForeignKey($constraintName)
|
||
|
|
{
|
||
|
|
$constraintName = strtolower($constraintName);
|
||
|
|
if(!$this->hasForeignKey($constraintName)) {
|
||
|
|
throw SchemaException::foreignKeyDoesNotExist($constraintName, $this->_name);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->_fkConstraints[$constraintName];
|
||
|
|
}
|
||
|
|
|
||
|
|
public function removeForeignKey($constraintName)
|
||
|
|
{
|
||
|
|
$constraintName = strtolower($constraintName);
|
||
|
|
if(!$this->hasForeignKey($constraintName)) {
|
||
|
|
throw SchemaException::foreignKeyDoesNotExist($constraintName, $this->_name);
|
||
|
|
}
|
||
|
|
|
||
|
|
unset($this->_fkConstraints[$constraintName]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return Column[]
|
||
|
|
*/
|
||
|
|
public function getColumns()
|
||
|
|
{
|
||
|
|
$columns = $this->_columns;
|
||
|
|
|
||
|
|
$pkCols = array();
|
||
|
|
$fkCols = array();
|
||
|
|
|
||
|
|
if ($this->hasPrimaryKey()) {
|
||
|
|
$pkCols = $this->getPrimaryKey()->getColumns();
|
||
|
|
}
|
||
|
|
foreach ($this->getForeignKeys() AS $fk) {
|
||
|
|
/* @var $fk ForeignKeyConstraint */
|
||
|
|
$fkCols = array_merge($fkCols, $fk->getColumns());
|
||
|
|
}
|
||
|
|
$colNames = array_unique(array_merge($pkCols, $fkCols, array_keys($columns)));
|
||
|
|
|
||
|
|
uksort($columns, function($a, $b) use($colNames) {
|
||
|
|
return (array_search($a, $colNames) >= array_search($b, $colNames));
|
||
|
|
});
|
||
|
|
return $columns;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Does this table have a column with the given name?
|
||
|
|
*
|
||
|
|
* @param string $columnName
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function hasColumn($columnName)
|
||
|
|
{
|
||
|
|
$columnName = $this->trimQuotes(strtolower($columnName));
|
||
|
|
return isset($this->_columns[$columnName]);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a column instance
|
||
|
|
*
|
||
|
|
* @param string $columnName
|
||
|
|
* @return Column
|
||
|
|
*/
|
||
|
|
public function getColumn($columnName)
|
||
|
|
{
|
||
|
|
$columnName = strtolower($this->trimQuotes($columnName));
|
||
|
|
if (!$this->hasColumn($columnName)) {
|
||
|
|
throw SchemaException::columnDoesNotExist($columnName, $this->_name);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->_columns[$columnName];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return Index|null
|
||
|
|
*/
|
||
|
|
public function getPrimaryKey()
|
||
|
|
{
|
||
|
|
if (!$this->hasPrimaryKey()) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
return $this->getIndex($this->_primaryKeyName);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if this table has a primary key.
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function hasPrimaryKey()
|
||
|
|
{
|
||
|
|
return ($this->_primaryKeyName && $this->hasIndex($this->_primaryKeyName));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $indexName
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function hasIndex($indexName)
|
||
|
|
{
|
||
|
|
$indexName = strtolower($indexName);
|
||
|
|
return (isset($this->_indexes[$indexName]));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $indexName
|
||
|
|
* @return Index
|
||
|
|
*/
|
||
|
|
public function getIndex($indexName)
|
||
|
|
{
|
||
|
|
$indexName = strtolower($indexName);
|
||
|
|
if (!$this->hasIndex($indexName)) {
|
||
|
|
throw SchemaException::indexDoesNotExist($indexName, $this->_name);
|
||
|
|
}
|
||
|
|
return $this->_indexes[$indexName];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getIndexes()
|
||
|
|
{
|
||
|
|
return $this->_indexes;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get Constraints
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getForeignKeys()
|
||
|
|
{
|
||
|
|
return $this->_fkConstraints;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function hasOption($name)
|
||
|
|
{
|
||
|
|
return isset($this->_options[$name]);
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getOption($name)
|
||
|
|
{
|
||
|
|
return $this->_options[$name];
|
||
|
|
}
|
||
|
|
|
||
|
|
public function getOptions()
|
||
|
|
{
|
||
|
|
return $this->_options;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param Visitor $visitor
|
||
|
|
*/
|
||
|
|
public function visit(Visitor $visitor)
|
||
|
|
{
|
||
|
|
$visitor->acceptTable($this);
|
||
|
|
|
||
|
|
foreach ($this->getColumns() AS $column) {
|
||
|
|
$visitor->acceptColumn($this, $column);
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($this->getIndexes() AS $index) {
|
||
|
|
$visitor->acceptIndex($this, $index);
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach ($this->getForeignKeys() AS $constraint) {
|
||
|
|
$visitor->acceptForeignKey($this, $constraint);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Clone of a Table triggers a deep clone of all affected assets
|
||
|
|
*/
|
||
|
|
public function __clone()
|
||
|
|
{
|
||
|
|
foreach ($this->_columns AS $k => $column) {
|
||
|
|
$this->_columns[$k] = clone $column;
|
||
|
|
}
|
||
|
|
foreach ($this->_indexes AS $k => $index) {
|
||
|
|
$this->_indexes[$k] = clone $index;
|
||
|
|
}
|
||
|
|
foreach ($this->_fkConstraints AS $k => $fk) {
|
||
|
|
$this->_fkConstraints[$k] = clone $fk;
|
||
|
|
$this->_fkConstraints[$k]->setLocalTable($this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|