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<?php
/*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the MIT license. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Tools;
use Doctrine\DBAL\Schema\AbstractAsset;
use Doctrine\DBAL\Schema\Comparator;
use Doctrine\DBAL\Schema\Index;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector;
use Doctrine\DBAL\Schema\Visitor\RemoveNamespacedAssets;
use Doctrine\ORM\EntityManagerInterface;
use Doctrine\ORM\Mapping\ClassMetadata;
use Doctrine\ORM\ORMException;
use Doctrine\ORM\Tools\Event\GenerateSchemaTableEventArgs;
use Doctrine\ORM\Tools\Event\GenerateSchemaEventArgs;
/**
* The SchemaTool is a tool to create/drop/update database schemas based on
* <tt>ClassMetadata</tt> class descriptors.
*
* @link www.doctrine-project.org
* @since 2.0
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Stefano Rodriguez <stefano.rodriguez@fubles.com>
*/
class SchemaTool
{
private const KNOWN_COLUMN_OPTIONS = ['comment', 'unsigned', 'fixed', 'default'];
/**
* @var \Doctrine\ORM\EntityManagerInterface
*/
private $em;
/**
* @var \Doctrine\DBAL\Platforms\AbstractPlatform
*/
private $platform;
/**
* The quote strategy.
*
* @var \Doctrine\ORM\Mapping\QuoteStrategy
*/
private $quoteStrategy;
/**
* Initializes a new SchemaTool instance that uses the connection of the
* provided EntityManager.
*
* @param \Doctrine\ORM\EntityManagerInterface $em
*/
public function __construct(EntityManagerInterface $em)
{
$this->em = $em;
$this->platform = $em->getConnection()->getDatabasePlatform();
$this->quoteStrategy = $em->getConfiguration()->getQuoteStrategy();
}
/**
* Creates the database schema for the given array of ClassMetadata instances.
*
* @param array $classes
*
* @return void
*
* @throws ToolsException
*/
public function createSchema(array $classes)
{
$createSchemaSql = $this->getCreateSchemaSql($classes);
$conn = $this->em->getConnection();
foreach ($createSchemaSql as $sql) {
try {
$conn->executeQuery($sql);
} catch (\Throwable $e) {
throw ToolsException::schemaToolFailure($sql, $e);
}
}
}
/**
* Gets the list of DDL statements that are required to create the database schema for
* the given list of ClassMetadata instances.
*
* @param array $classes
*
* @return array The SQL statements needed to create the schema for the classes.
*/
public function getCreateSchemaSql(array $classes)
{
$schema = $this->getSchemaFromMetadata($classes);
return $schema->toSql($this->platform);
}
/**
* Detects instances of ClassMetadata that don't need to be processed in the SchemaTool context.
*
* @param ClassMetadata $class
* @param array $processedClasses
*
* @return bool
*/
private function processingNotRequired($class, array $processedClasses)
{
return (
isset($processedClasses[$class->name]) ||
$class->isMappedSuperclass ||
$class->isEmbeddedClass ||
($class->isInheritanceTypeSingleTable() && $class->name != $class->rootEntityName)
);
}
/**
* Creates a Schema instance from a given set of metadata classes.
*
* @param array $classes
*
* @return Schema
*
* @throws \Doctrine\ORM\ORMException
*/
public function getSchemaFromMetadata(array $classes)
{
// Reminder for processed classes, used for hierarchies
$processedClasses = [];
$eventManager = $this->em->getEventManager();
$schemaManager = $this->em->getConnection()->getSchemaManager();
$metadataSchemaConfig = $schemaManager->createSchemaConfig();
$metadataSchemaConfig->setExplicitForeignKeyIndexes(false);
$schema = new Schema([], [], $metadataSchemaConfig);
$addedFks = [];
$blacklistedFks = [];
foreach ($classes as $class) {
/** @var \Doctrine\ORM\Mapping\ClassMetadata $class */
if ($this->processingNotRequired($class, $processedClasses)) {
continue;
}
$table = $schema->createTable($this->quoteStrategy->getTableName($class, $this->platform));
if ($class->isInheritanceTypeSingleTable()) {
$this->gatherColumns($class, $table);
$this->gatherRelationsSql($class, $table, $schema, $addedFks, $blacklistedFks);
// Add the discriminator column
$this->addDiscriminatorColumnDefinition($class, $table);
// Aggregate all the information from all classes in the hierarchy
foreach ($class->parentClasses as $parentClassName) {
// Parent class information is already contained in this class
$processedClasses[$parentClassName] = true;
}
foreach ($class->subClasses as $subClassName) {
$subClass = $this->em->getClassMetadata($subClassName);
$this->gatherColumns($subClass, $table);
$this->gatherRelationsSql($subClass, $table, $schema, $addedFks, $blacklistedFks);
$processedClasses[$subClassName] = true;
}
} elseif ($class->isInheritanceTypeJoined()) {
// Add all non-inherited fields as columns
foreach ($class->fieldMappings as $fieldName => $mapping) {
if ( ! isset($mapping['inherited'])) {
$this->gatherColumn($class, $mapping, $table);
}
}
$this->gatherRelationsSql($class, $table, $schema, $addedFks, $blacklistedFks);
// Add the discriminator column only to the root table
if ($class->name == $class->rootEntityName) {
$this->addDiscriminatorColumnDefinition($class, $table);
} else {
// Add an ID FK column to child tables
$pkColumns = [];
$inheritedKeyColumns = [];
foreach ($class->identifier as $identifierField) {
if (isset($class->fieldMappings[$identifierField]['inherited'])) {
$idMapping = $class->fieldMappings[$identifierField];
$this->gatherColumn($class, $idMapping, $table);
$columnName = $this->quoteStrategy->getColumnName(
$identifierField,
$class,
$this->platform
);
// TODO: This seems rather hackish, can we optimize it?
$table->getColumn($columnName)->setAutoincrement(false);
$pkColumns[] = $columnName;
$inheritedKeyColumns[] = $columnName;
continue;
}
if (isset($class->associationMappings[$identifierField]['inherited'])) {
$idMapping = $class->associationMappings[$identifierField];
$targetEntity = current(
array_filter(
$classes,
function (ClassMetadata $class) use ($idMapping) : bool {
return $class->name === $idMapping['targetEntity'];
}
)
);
foreach ($idMapping['joinColumns'] as $joinColumn) {
if (isset($targetEntity->fieldMappings[$joinColumn['referencedColumnName']])) {
$columnName = $this->quoteStrategy->getJoinColumnName(
$joinColumn,
$class,
$this->platform
);
$pkColumns[] = $columnName;
$inheritedKeyColumns[] = $columnName;
}
}
}
}
if ( ! empty($inheritedKeyColumns)) {
// Add a FK constraint on the ID column
$table->addForeignKeyConstraint(
$this->quoteStrategy->getTableName(
$this->em->getClassMetadata($class->rootEntityName),
$this->platform
),
$inheritedKeyColumns,
$inheritedKeyColumns,
['onDelete' => 'CASCADE']
);
}
if ( ! empty($pkColumns)) {
$table->setPrimaryKey($pkColumns);
}
}
} elseif ($class->isInheritanceTypeTablePerClass()) {
throw ORMException::notSupported();
} else {
$this->gatherColumns($class, $table);
$this->gatherRelationsSql($class, $table, $schema, $addedFks, $blacklistedFks);
}
$pkColumns = [];
foreach ($class->identifier as $identifierField) {
if (isset($class->fieldMappings[$identifierField])) {
$pkColumns[] = $this->quoteStrategy->getColumnName($identifierField, $class, $this->platform);
} elseif (isset($class->associationMappings[$identifierField])) {
/* @var $assoc \Doctrine\ORM\Mapping\OneToOne */
$assoc = $class->associationMappings[$identifierField];
foreach ($assoc['joinColumns'] as $joinColumn) {
$pkColumns[] = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
}
}
}
if ( ! $table->hasIndex('primary')) {
$table->setPrimaryKey($pkColumns);
}
// there can be unique indexes automatically created for join column
// if join column is also primary key we should keep only primary key on this column
// so, remove indexes overruled by primary key
$primaryKey = $table->getIndex('primary');
foreach ($table->getIndexes() as $idxKey => $existingIndex) {
if ($primaryKey->overrules($existingIndex)) {
$table->dropIndex($idxKey);
}
}
if (isset($class->table['indexes'])) {
foreach ($class->table['indexes'] as $indexName => $indexData) {
if ( ! isset($indexData['flags'])) {
$indexData['flags'] = [];
}
$table->addIndex($indexData['columns'], is_numeric($indexName) ? null : $indexName, (array) $indexData['flags'], $indexData['options'] ?? []);
}
}
if (isset($class->table['uniqueConstraints'])) {
foreach ($class->table['uniqueConstraints'] as $indexName => $indexData) {
$uniqIndex = new Index($indexName, $indexData['columns'], true, false, [], $indexData['options'] ?? []);
foreach ($table->getIndexes() as $tableIndexName => $tableIndex) {
if ($tableIndex->isFullfilledBy($uniqIndex)) {
$table->dropIndex($tableIndexName);
break;
}
}
$table->addUniqueIndex($indexData['columns'], is_numeric($indexName) ? null : $indexName, $indexData['options'] ?? []);
}
}
if (isset($class->table['options'])) {
foreach ($class->table['options'] as $key => $val) {
$table->addOption($key, $val);
}
}
$processedClasses[$class->name] = true;
if ($class->isIdGeneratorSequence() && $class->name == $class->rootEntityName) {
$seqDef = $class->sequenceGeneratorDefinition;
$quotedName = $this->quoteStrategy->getSequenceName($seqDef, $class, $this->platform);
if ( ! $schema->hasSequence($quotedName)) {
$schema->createSequence(
$quotedName,
$seqDef['allocationSize'],
$seqDef['initialValue']
);
}
}
if ($eventManager->hasListeners(ToolEvents::postGenerateSchemaTable)) {
$eventManager->dispatchEvent(
ToolEvents::postGenerateSchemaTable,
new GenerateSchemaTableEventArgs($class, $schema, $table)
);
}
}
if ( ! $this->platform->supportsSchemas() && ! $this->platform->canEmulateSchemas()) {
$schema->visit(new RemoveNamespacedAssets());
}
if ($eventManager->hasListeners(ToolEvents::postGenerateSchema)) {
$eventManager->dispatchEvent(
ToolEvents::postGenerateSchema,
new GenerateSchemaEventArgs($this->em, $schema)
);
}
return $schema;
}
/**
* Gets a portable column definition as required by the DBAL for the discriminator
* column of a class.
*
* @param ClassMetadata $class
* @param Table $table
*
* @return void
*/
private function addDiscriminatorColumnDefinition($class, Table $table)
{
$discrColumn = $class->discriminatorColumn;
if ( ! isset($discrColumn['type']) ||
(strtolower($discrColumn['type']) == 'string' && ! isset($discrColumn['length']))
) {
$discrColumn['type'] = 'string';
$discrColumn['length'] = 255;
}
$options = [
'length' => $discrColumn['length'] ?? null,
'notnull' => true
];
if (isset($discrColumn['columnDefinition'])) {
$options['columnDefinition'] = $discrColumn['columnDefinition'];
}
$table->addColumn($discrColumn['name'], $discrColumn['type'], $options);
}
/**
* Gathers the column definitions as required by the DBAL of all field mappings
* found in the given class.
*
* @param ClassMetadata $class
* @param Table $table
*
* @return void
*/
private function gatherColumns($class, Table $table)
{
$pkColumns = [];
foreach ($class->fieldMappings as $mapping) {
if ($class->isInheritanceTypeSingleTable() && isset($mapping['inherited'])) {
continue;
}
$this->gatherColumn($class, $mapping, $table);
if ($class->isIdentifier($mapping['fieldName'])) {
$pkColumns[] = $this->quoteStrategy->getColumnName($mapping['fieldName'], $class, $this->platform);
}
}
}
/**
* Creates a column definition as required by the DBAL from an ORM field mapping definition.
*
* @param ClassMetadata $class The class that owns the field mapping.
* @param array $mapping The field mapping.
* @param Table $table
*
* @return void
*/
private function gatherColumn($class, array $mapping, Table $table)
{
$columnName = $this->quoteStrategy->getColumnName($mapping['fieldName'], $class, $this->platform);
$columnType = $mapping['type'];
$options = [];
$options['length'] = $mapping['length'] ?? null;
$options['notnull'] = isset($mapping['nullable']) ? ! $mapping['nullable'] : true;
if ($class->isInheritanceTypeSingleTable() && $class->parentClasses) {
$options['notnull'] = false;
}
$options['platformOptions'] = [];
$options['platformOptions']['version'] = $class->isVersioned && $class->versionField === $mapping['fieldName'];
if (strtolower($columnType) === 'string' && null === $options['length']) {
$options['length'] = 255;
}
if (isset($mapping['precision'])) {
$options['precision'] = $mapping['precision'];
}
if (isset($mapping['scale'])) {
$options['scale'] = $mapping['scale'];
}
if (isset($mapping['default'])) {
$options['default'] = $mapping['default'];
}
if (isset($mapping['columnDefinition'])) {
$options['columnDefinition'] = $mapping['columnDefinition'];
}
// the 'default' option can be overwritten here
$options = $this->gatherColumnOptions($mapping) + $options;
if ($class->isIdGeneratorIdentity() && $class->getIdentifierFieldNames() == [$mapping['fieldName']]) {
$options['autoincrement'] = true;
}
if ($class->isInheritanceTypeJoined() && $class->name !== $class->rootEntityName) {
$options['autoincrement'] = false;
}
if ($table->hasColumn($columnName)) {
// required in some inheritance scenarios
$table->changeColumn($columnName, $options);
} else {
$table->addColumn($columnName, $columnType, $options);
}
$isUnique = $mapping['unique'] ?? false;
if ($isUnique) {
$table->addUniqueIndex([$columnName]);
}
}
/**
* Gathers the SQL for properly setting up the relations of the given class.
* This includes the SQL for foreign key constraints and join tables.
*
* @param ClassMetadata $class
* @param Table $table
* @param Schema $schema
* @param array $addedFks
* @param array $blacklistedFks
*
* @return void
*
* @throws \Doctrine\ORM\ORMException
*/
private function gatherRelationsSql($class, $table, $schema, &$addedFks, &$blacklistedFks)
{
foreach ($class->associationMappings as $id => $mapping) {
if (isset($mapping['inherited']) && ! \in_array($id, $class->identifier, true)) {
continue;
}
$foreignClass = $this->em->getClassMetadata($mapping['targetEntity']);
if ($mapping['type'] & ClassMetadata::TO_ONE && $mapping['isOwningSide']) {
$primaryKeyColumns = []; // PK is unnecessary for this relation-type
$this->gatherRelationJoinColumns(
$mapping['joinColumns'],
$table,
$foreignClass,
$mapping,
$primaryKeyColumns,
$addedFks,
$blacklistedFks
);
} elseif ($mapping['type'] == ClassMetadata::ONE_TO_MANY && $mapping['isOwningSide']) {
//... create join table, one-many through join table supported later
throw ORMException::notSupported();
} elseif ($mapping['type'] == ClassMetadata::MANY_TO_MANY && $mapping['isOwningSide']) {
// create join table
$joinTable = $mapping['joinTable'];
$theJoinTable = $schema->createTable(
$this->quoteStrategy->getJoinTableName($mapping, $foreignClass, $this->platform)
);
$primaryKeyColumns = [];
// Build first FK constraint (relation table => source table)
$this->gatherRelationJoinColumns(
$joinTable['joinColumns'],
$theJoinTable,
$class,
$mapping,
$primaryKeyColumns,
$addedFks,
$blacklistedFks
);
// Build second FK constraint (relation table => target table)
$this->gatherRelationJoinColumns(
$joinTable['inverseJoinColumns'],
$theJoinTable,
$foreignClass,
$mapping,
$primaryKeyColumns,
$addedFks,
$blacklistedFks
);
$theJoinTable->setPrimaryKey($primaryKeyColumns);
}
}
}
/**
* Gets the class metadata that is responsible for the definition of the referenced column name.
*
* Previously this was a simple task, but with DDC-117 this problem is actually recursive. If its
* not a simple field, go through all identifier field names that are associations recursively and
* find that referenced column name.
*
* TODO: Is there any way to make this code more pleasing?
*
* @param ClassMetadata $class
* @param string $referencedColumnName
*
* @return array (ClassMetadata, referencedFieldName)
*/
private function getDefiningClass($class, $referencedColumnName)
{
$referencedFieldName = $class->getFieldName($referencedColumnName);
if ($class->hasField($referencedFieldName)) {
return [$class, $referencedFieldName];
}
if (in_array($referencedColumnName, $class->getIdentifierColumnNames())) {
// it seems to be an entity as foreign key
foreach ($class->getIdentifierFieldNames() as $fieldName) {
if ($class->hasAssociation($fieldName)
&& $class->getSingleAssociationJoinColumnName($fieldName) == $referencedColumnName) {
return $this->getDefiningClass(
$this->em->getClassMetadata($class->associationMappings[$fieldName]['targetEntity']),
$class->getSingleAssociationReferencedJoinColumnName($fieldName)
);
}
}
}
return null;
}
/**
* Gathers columns and fk constraints that are required for one part of relationship.
*
* @param array $joinColumns
* @param Table $theJoinTable
* @param ClassMetadata $class
* @param array $mapping
* @param array $primaryKeyColumns
* @param array $addedFks
* @param array $blacklistedFks
*
* @return void
*
* @throws \Doctrine\ORM\ORMException
*/
private function gatherRelationJoinColumns(
$joinColumns,
$theJoinTable,
$class,
$mapping,
&$primaryKeyColumns,
&$addedFks,
&$blacklistedFks
)
{
$localColumns = [];
$foreignColumns = [];
$fkOptions = [];
$foreignTableName = $this->quoteStrategy->getTableName($class, $this->platform);
$uniqueConstraints = [];
foreach ($joinColumns as $joinColumn) {
list($definingClass, $referencedFieldName) = $this->getDefiningClass(
$class,
$joinColumn['referencedColumnName']
);
if ( ! $definingClass) {
throw new \Doctrine\ORM\ORMException(
'Column name `' . $joinColumn['referencedColumnName'] . '` referenced for relation from '
. $mapping['sourceEntity'] . ' towards ' . $mapping['targetEntity'] . ' does not exist.'
);
}
$quotedColumnName = $this->quoteStrategy->getJoinColumnName($joinColumn, $class, $this->platform);
$quotedRefColumnName = $this->quoteStrategy->getReferencedJoinColumnName(
$joinColumn,
$class,
$this->platform
);
$primaryKeyColumns[] = $quotedColumnName;
$localColumns[] = $quotedColumnName;
$foreignColumns[] = $quotedRefColumnName;
if ( ! $theJoinTable->hasColumn($quotedColumnName)) {
// Only add the column to the table if it does not exist already.
// It might exist already if the foreign key is mapped into a regular
// property as well.
$fieldMapping = $definingClass->getFieldMapping($referencedFieldName);
$columnDef = null;
if (isset($joinColumn['columnDefinition'])) {
$columnDef = $joinColumn['columnDefinition'];
} elseif (isset($fieldMapping['columnDefinition'])) {
$columnDef = $fieldMapping['columnDefinition'];
}
$columnOptions = ['notnull' => false, 'columnDefinition' => $columnDef];
if (isset($joinColumn['nullable'])) {
$columnOptions['notnull'] = ! $joinColumn['nullable'];
}
$columnOptions = $columnOptions + $this->gatherColumnOptions($fieldMapping);
if ($fieldMapping['type'] == "string" && isset($fieldMapping['length'])) {
$columnOptions['length'] = $fieldMapping['length'];
} elseif ($fieldMapping['type'] == "decimal") {
$columnOptions['scale'] = $fieldMapping['scale'];
$columnOptions['precision'] = $fieldMapping['precision'];
}
$theJoinTable->addColumn($quotedColumnName, $fieldMapping['type'], $columnOptions);
}
if (isset($joinColumn['unique']) && $joinColumn['unique'] == true) {
$uniqueConstraints[] = ['columns' => [$quotedColumnName]];
}
if (isset($joinColumn['onDelete'])) {
$fkOptions['onDelete'] = $joinColumn['onDelete'];
}
}
// Prefer unique constraints over implicit simple indexes created for foreign keys.
// Also avoids index duplication.
foreach ($uniqueConstraints as $indexName => $unique) {
$theJoinTable->addUniqueIndex($unique['columns'], is_numeric($indexName) ? null : $indexName);
}
$compositeName = $theJoinTable->getName().'.'.implode('', $localColumns);
if (isset($addedFks[$compositeName])
&& ($foreignTableName != $addedFks[$compositeName]['foreignTableName']
|| 0 < count(array_diff($foreignColumns, $addedFks[$compositeName]['foreignColumns'])))
) {
foreach ($theJoinTable->getForeignKeys() as $fkName => $key) {
if (0 === count(array_diff($key->getLocalColumns(), $localColumns))
&& (($key->getForeignTableName() != $foreignTableName)
|| 0 < count(array_diff($key->getForeignColumns(), $foreignColumns)))
) {
$theJoinTable->removeForeignKey($fkName);
break;
}
}
$blacklistedFks[$compositeName] = true;
} elseif ( ! isset($blacklistedFks[$compositeName])) {
$addedFks[$compositeName] = ['foreignTableName' => $foreignTableName, 'foreignColumns' => $foreignColumns];
$theJoinTable->addUnnamedForeignKeyConstraint(
$foreignTableName,
$localColumns,
$foreignColumns,
$fkOptions
);
}
}
/**
* @param mixed[] $mapping
*
* @return mixed[]
*/
private function gatherColumnOptions(array $mapping) : array
{
if (! isset($mapping['options'])) {
return [];
}
$options = array_intersect_key($mapping['options'], array_flip(self::KNOWN_COLUMN_OPTIONS));
$options['customSchemaOptions'] = array_diff_key($mapping['options'], $options);
return $options;
}
/**
* Drops the database schema for the given classes.
*
* In any way when an exception is thrown it is suppressed since drop was
* issued for all classes of the schema and some probably just don't exist.
*
* @param array $classes
*
* @return void
*/
public function dropSchema(array $classes)
{
$dropSchemaSql = $this->getDropSchemaSQL($classes);
$conn = $this->em->getConnection();
foreach ($dropSchemaSql as $sql) {
try {
$conn->executeQuery($sql);
} catch (\Throwable $e) {
// ignored
}
}
}
/**
* Drops all elements in the database of the current connection.
*
* @return void
*/
public function dropDatabase()
{
$dropSchemaSql = $this->getDropDatabaseSQL();
$conn = $this->em->getConnection();
foreach ($dropSchemaSql as $sql) {
$conn->executeQuery($sql);
}
}
/**
* Gets the SQL needed to drop the database schema for the connections database.
*
* @return array
*/
public function getDropDatabaseSQL()
{
$sm = $this->em->getConnection()->getSchemaManager();
$schema = $sm->createSchema();
$visitor = new DropSchemaSqlCollector($this->platform);
$schema->visit($visitor);
return $visitor->getQueries();
}
/**
* Gets SQL to drop the tables defined by the passed classes.
*
* @param array $classes
*
* @return array
*/
public function getDropSchemaSQL(array $classes)
{
$visitor = new DropSchemaSqlCollector($this->platform);
$schema = $this->getSchemaFromMetadata($classes);
$sm = $this->em->getConnection()->getSchemaManager();
$fullSchema = $sm->createSchema();
foreach ($fullSchema->getTables() as $table) {
if ( ! $schema->hasTable($table->getName())) {
foreach ($table->getForeignKeys() as $foreignKey) {
/* @var $foreignKey \Doctrine\DBAL\Schema\ForeignKeyConstraint */
if ($schema->hasTable($foreignKey->getForeignTableName())) {
$visitor->acceptForeignKey($table, $foreignKey);
}
}
} else {
$visitor->acceptTable($table);
foreach ($table->getForeignKeys() as $foreignKey) {
$visitor->acceptForeignKey($table, $foreignKey);
}
}
}
if ($this->platform->supportsSequences()) {
foreach ($schema->getSequences() as $sequence) {
$visitor->acceptSequence($sequence);
}
foreach ($schema->getTables() as $table) {
/* @var $sequence Table */
if ($table->hasPrimaryKey()) {
$columns = $table->getPrimaryKey()->getColumns();
if (count($columns) == 1) {
$checkSequence = $table->getName() . '_' . $columns[0] . '_seq';
if ($fullSchema->hasSequence($checkSequence)) {
$visitor->acceptSequence($fullSchema->getSequence($checkSequence));
}
}
}
}
}
return $visitor->getQueries();
}
/**
* Updates the database schema of the given classes by comparing the ClassMetadata
* instances to the current database schema that is inspected.
*
* @param array $classes
* @param boolean $saveMode If TRUE, only performs a partial update
* without dropping assets which are scheduled for deletion.
*
* @return void
*/
public function updateSchema(array $classes, $saveMode = false)
{
$updateSchemaSql = $this->getUpdateSchemaSql($classes, $saveMode);
$conn = $this->em->getConnection();
foreach ($updateSchemaSql as $sql) {
$conn->executeQuery($sql);
}
}
/**
* Gets the sequence of SQL statements that need to be performed in order
* to bring the given class mappings in-synch with the relational schema.
*
* @param array $classes The classes to consider.
* @param boolean $saveMode If TRUE, only generates SQL for a partial update
* that does not include SQL for dropping assets which are scheduled for deletion.
*
* @return array The sequence of SQL statements.
*/
public function getUpdateSchemaSql(array $classes, $saveMode = false)
{
$toSchema = $this->getSchemaFromMetadata($classes);
$fromSchema = $this->createSchemaForComparison($toSchema);
$comparator = new Comparator();
$schemaDiff = $comparator->compare($fromSchema, $toSchema);
if ($saveMode) {
return $schemaDiff->toSaveSql($this->platform);
}
return $schemaDiff->toSql($this->platform);
}
/**
* Creates the schema from the database, ensuring tables from the target schema are whitelisted for comparison.
*/
private function createSchemaForComparison(Schema $toSchema) : Schema
{
$connection = $this->em->getConnection();
$schemaManager = $connection->getSchemaManager();
// backup schema assets filter
$config = $connection->getConfiguration();
$previousFilter = $config->getSchemaAssetsFilter();
if ($previousFilter === null) {
return $schemaManager->createSchema();
}
// whitelist assets we already know about in $toSchema, use the existing filter otherwise
$config->setSchemaAssetsFilter(static function ($asset) use ($previousFilter, $toSchema) : bool {
$assetName = $asset instanceof AbstractAsset ? $asset->getName() : $asset;
return $toSchema->hasTable($assetName) || $toSchema->hasSequence($assetName) || $previousFilter($asset);
});
try {
return $schemaManager->createSchema();
} finally {
// restore schema assets filter
$config->setSchemaAssetsFilter($previousFilter);
}
}
}

vendor/doctrine/orm/lib/Doctrine/ORM/Tools/SchemaTool.php line 879