/**
* Returns the list of other foreign keys starting on the same table.
* Used in many-to-many relationships.
*
* @return ForeignKey[]
*/
public function getOtherFks()
{
$fks = [];
foreach ($this->parentTable->getForeignKeys() as $fk) {
if ($fk !== $this) {
$fks[] = $fk;
}
}
return $fks;
}
public function getDropTableDDL(Table $table)
{
$ret = '';
foreach ($table->getForeignKeys() as $fk) {
$ret .= "\nIF EXISTS (SELECT 1 FROM sysobjects WHERE type ='RI' AND name='" . $fk->getName() . "')\n ALTER TABLE " . $this->quoteIdentifier($table->getName()) . " DROP CONSTRAINT " . $this->quoteIdentifier($fk->getName()) . ";\n";
}
self::$dropCount++;
$ret .= "\nIF EXISTS (SELECT 1 FROM sysobjects WHERE type = 'U' AND name = '" . $table->getName() . "')\nBEGIN\n DECLARE @reftable_" . self::$dropCount . " nvarchar(60), @constraintname_" . self::$dropCount . " nvarchar(60)\n DECLARE refcursor CURSOR FOR\n select reftables.name tablename, cons.name constraintname\n from sysobjects tables,\n sysobjects reftables,\n sysobjects cons,\n sysreferences ref\n where tables.id = ref.rkeyid\n and cons.id = ref.constid\n and reftables.id = ref.fkeyid\n and tables.name = '" . $table->getName() . "'\n OPEN refcursor\n FETCH NEXT from refcursor into @reftable_" . self::$dropCount . ", @constraintname_" . self::$dropCount . "\n while @@FETCH_STATUS = 0\n BEGIN\n exec ('alter table '+@reftable_" . self::$dropCount . "+' drop constraint '+@constraintname_" . self::$dropCount . ")\n FETCH NEXT from refcursor into @reftable_" . self::$dropCount . ", @constraintname_" . self::$dropCount . "\n END\n CLOSE refcursor\n DEALLOCATE refcursor\n DROP TABLE " . $this->quoteIdentifier($table->getName()) . "\nEND\n";
return $ret;
}
public function testAddArrayForeignKey()
{
$table = new Table('books');
$table->setDatabase($this->getDatabaseMock('bookstore'));
$fk = $table->addForeignKey(array('name' => 'fk_author_id', 'phpName' => 'Author', 'refPhpName' => 'Books', 'onDelete' => 'CASCADE', 'foreignTable' => 'authors'));
$this->assertInstanceOf('Propel\\Generator\\Model\\ForeignKey', $fk);
$this->assertCount(1, $table->getForeignKeys());
$this->assertTrue($table->hasForeignKeys());
$this->assertContains('authors', $table->getForeignTableNames());
}
/**
* Unfortunately, SQLite does not support composite pks where one is AUTOINCREMENT,
* so we have to flag both as NOT NULL and create a UNIQUE constraint.
*
* @param Table $table
*/
public function checkTable(Table $table)
{
if ($table->hasForeignKeys()) {
foreach ($table->getForeignKeys() as $fk) {
if (!$fk->getForeignTable()->isUnique($fk->getForeignColumnObjects())) {
$unique = new Unique();
$unique->setColumns($fk->getForeignColumnObjects());
$fk->getForeignTable()->addUnique($unique);
}
}
}
if (count($pks = $table->getPrimaryKey()) > 1 && $table->hasAutoIncrementPrimaryKey()) {
foreach ($pks as $pk) {
//no pk can be NULL, as usual
$pk->setNotNull(true);
//in SQLite the column with the AUTOINCREMENT MUST be a primary key, too.
if (!$pk->isAutoIncrement()) {
//for all other sub keys we remove it, since we create a UNIQUE constraint over all primary keys.
$pk->setPrimaryKey(false);
}
}
//search if there is already a UNIQUE constraint over the primary keys
$pkUniqueExist = false;
foreach ($table->getUnices() as $unique) {
$allPk = false;
foreach ($unique->getColumns() as $columnName) {
$allPk &= $table->getColumn($columnName)->isPrimaryKey();
}
if ($allPk) {
//there's already a unique constraint with the composite pk
$pkUniqueExist = true;
break;
}
}
//there is none, let's create it
if (!$pkUniqueExist) {
$unique = new Unique();
foreach ($pks as $pk) {
$unique->addColumn($pk);
}
$table->addUnique($unique);
}
}
}
/**
* Normalizes a table for the current platform. Very important for the TableComparator to not
* generate useless diffs.
* Useful for checking needed definitions/structures. E.g. Unique Indexes for ForeignKey columns,
* which the most Platforms requires but which is not always explicitly defined in the table model.
*
* @param Table $table The table object which gets modified.
*/
public function normalizeTable(Table $table)
{
if ($table->hasForeignKeys()) {
foreach ($table->getForeignKeys() as $fk) {
if ($fk->getForeignTable() && !$fk->getForeignTable()->isUnique($fk->getForeignColumnObjects())) {
$unique = new Unique();
$unique->setColumns($fk->getForeignColumnObjects());
$fk->getForeignTable()->addUnique($unique);
}
}
}
if (!$this->supportsIndexSize() && $table->getIndices()) {
// when the plafform does not support index sizes we reset it
foreach ($table->getIndices() as $index) {
$index->resetColumnsSize();
}
}
foreach ($table->getColumns() as $column) {
if ($column->getSize() && ($defaultSize = $this->getDefaultTypeSize($column->getType()))) {
if (null === $column->getScale() && intval($column->getSize()) === $defaultSize) {
$column->setSize(null);
}
}
}
}
/**
* Builds the DDL SQL to add the foreign keys of a table.
*
* @param Table $table
* @return string
*/
public function getAddForeignKeysDDL(Table $table)
{
$ret = '';
foreach ($table->getForeignKeys() as $fk) {
$ret .= $this->getAddForeignKeyDDL($fk);
}
return $ret;
}
/**
* Appends the generated <table> XML node to its parent node.
*
* @param Table $table The Table model instance
* @param \DOMNode $parentNode The parent DOMNode object
*/
private function appendTableNode(Table $table, \DOMNode $parentNode)
{
$tableNode = $parentNode->appendChild($this->document->createElement('table'));
$tableNode->setAttribute('name', $table->getCommonName());
$database = $table->getDatabase();
$schema = $table->getSchema();
if ($schema && $schema !== $database->getSchema()) {
$tableNode->setAttribute('schema', $schema);
}
if (IdMethod::NO_ID_METHOD !== ($idMethod = $table->getIdMethod())) {
$tableNode->setAttribute('idMethod', $idMethod);
}
if ($phpName = $table->getPhpName()) {
$tableNode->setAttribute('phpName', $phpName);
}
$package = $table->getPackage();
if ($package && !$table->isPackageOverriden()) {
$tableNode->setAttribute('package', $package);
}
if ($namespace = $table->getNamespace()) {
$tableNode->setAttribute('namespace', $namespace);
}
if ($table->isSkipSql()) {
$tableNode->setAttribute('skipSql', 'true');
}
if ($table->isAbstract()) {
$tableNode->setAttribute('abstract', 'true');
}
if ($interface = $table->getInterface()) {
$tableNode->setAttribute('interface', $interface);
}
if ($table->isCrossRef()) {
$tableNode->setAttribute('isCrossRef', 'true');
}
$phpNamingMethod = $table->getPhpNamingMethod();
if ($phpNamingMethod && $phpNamingMethod !== $database->getDefaultPhpNamingMethod()) {
$tableNode->setAttribute('phpNamingMethod', $phpNamingMethod);
}
if ($baseClass = $table->getBaseClass()) {
$tableNode->setAttribute('baseClass', $baseClass);
}
if ($baseQueryClass = $table->getBaseQueryClass()) {
$tableNode->setAttribute('baseQueryClass', $baseQueryClass);
}
if ($table->isReadOnly()) {
$tableNode->setAttribute('readOnly', 'true');
}
if ($table->isReloadOnInsert()) {
$tableNode->setAttribute('reloadOnInsert', 'true');
}
if ($table->isReloadOnUpdate()) {
$tableNode->setAttribute('reloadOnUpdate', 'true');
}
if (null !== ($referenceOnly = $table->isForReferenceOnly())) {
$tableNode->setAttribute('forReferenceOnly', $referenceOnly ? 'true' : 'false');
}
if ($alias = $table->getAlias()) {
$tableNode->setAttribute('alias', $alias);
}
if ($description = $table->getDescription()) {
$tableNode->setAttribute('description', $description);
}
$defaultStringFormat = $table->getDefaultStringFormat();
if (Table::DEFAULT_STRING_FORMAT !== $defaultStringFormat) {
$tableNode->setAttribute('defaultStringFormat', $defaultStringFormat);
}
$defaultAccessorVisibility = $table->getDefaultAccessorVisibility();
if ($defaultAccessorVisibility !== Table::VISIBILITY_PUBLIC) {
$tableNode->setAttribute('defaultAccessorVisibility', $defaultAccessorVisibility);
}
$defaultMutatorVisibility = $table->getDefaultMutatorVisibility();
if ($defaultMutatorVisibility !== Table::VISIBILITY_PUBLIC) {
$tableNode->setAttribute('defaultMutatorVisibility', $defaultMutatorVisibility);
}
foreach ($table->getColumns() as $column) {
$this->appendColumnNode($column, $tableNode);
}
foreach ($table->getForeignKeys() as $foreignKey) {
$this->appendForeignKeyNode($foreignKey, $tableNode);
}
foreach ($table->getIdMethodParameters() as $parameter) {
$this->appendIdMethodParameterNode($parameter, $tableNode);
}
foreach ($table->getIndices() as $index) {
$this->appendIndexNode($index, $tableNode);
}
foreach ($table->getUnices() as $index) {
$this->appendUniqueIndexNode($index, $tableNode);
}
foreach ($table->getVendorInformation() as $vendorInformation) {
$this->appendVendorInformationNode($vendorInformation, $tableNode);
}
foreach ($table->getBehaviors() as $behavior) {
$this->appendBehaviorNode($behavior, $tableNode);
}
}
/**
* Normalizes a table for the current platform. Very important for the TableComparator to not
* generate useless diffs.
* Useful for checking needed definitions/structures. E.g. Unique Indexes for ForeignKey columns,
* which the most Platforms requires but which is not always explicitly defined in the table model.
*
* @param Table $table The table object which gets modified.
*/
public function normalizeTable(Table $table)
{
if ($table->hasForeignKeys()) {
foreach ($table->getForeignKeys() as $fk) {
if (!$fk->getForeignTable()->isUnique($fk->getForeignColumnObjects())) {
$unique = new Unique();
$unique->setColumns($fk->getForeignColumnObjects());
$fk->getForeignTable()->addUnique($unique);
}
}
}
}
/**
* {@inheritDoc}
*/
public function getAddForeignKeysDDL(Table $table)
{
$ret = '';
foreach ($table->getForeignKeys() as $fk) {
//PostgreSQL requires the keys of the foreignTable of a foreignKeys to be unique.
//check if there is already a unique constraint with exactly
//the keys of the FK, if not define it.
if ($fk->getForeignTable() && !$fk->getForeignTable()->isUnique($fk->getForeignColumnObjects())) {
$unique = new Unique();
$unique->setTable($fk->getForeignTable());
$unique->setColumns($fk->getForeignColumnObjects());
$ret .= $this->getAddIndexDDL($unique);
}
$ret .= $this->getAddForeignKeyDDL($fk);
}
return $ret;
}
