protected function processIndexes()
{
/** @var Index[] $beforeIndexes */
$beforeIndexes = array();
foreach ($this->before->indexes as $index) {
$beforeIndexes[$index->getName()] = $index;
}
foreach ($this->after->indexes as $index) {
if (!isset($beforeIndexes[$index->getName()])) {
$this->alterLines->commaExpr('ADD ' . ($index->type === Index::TYPE_UNIQUE ? 'UNIQUE ' : '') . 'INDEX ? (?)', new Symbol($index->getName()), Symbol::prepareColumns($index->columns));
} else {
unset($beforeIndexes[$index->getName()]);
}
}
if ($beforeIndexes) {
foreach ($this->after->getForeignKeys() as $foreignKey) {
if (isset($beforeIndexes[$foreignKey->getName()])) {
unset($beforeIndexes[$foreignKey->getName()]);
}
}
foreach ($beforeIndexes as $index) {
$this->alterLines->commaExpr('DROP INDEX ?', new Symbol($index->getName()));
}
}
}
protected function appendIndexes()
{
foreach ($this->table->indexes as $index) {
$columns = Symbol::prepareColumns($index->columns);
if ($index->type === Index::TYPE_KEY) {
$this->createLines->commaExpr(' KEY ? (?)', new Symbol($index->getName()), $columns);
} elseif ($index->type === Index::TYPE_UNIQUE) {
$this->createLines->commaExpr(' UNIQUE KEY ? (?)', new Symbol($index->getName()), $columns);
}
}
}
protected function appendIndexes()
{
foreach ($this->table->indexes as $index) {
$columns = Symbol::prepareColumns($index->columns);
if ($index->type === Index::TYPE_KEY) {
$createIndex = new SimpleExpression("CREATE INDEX ? ON ? (?)", new Symbol($index->getName()), new Symbol($this->table->schemaName), $columns);
$createIndex->bindDatabase($this->database());
$this->add($createIndex);
//$this->appendExpr(' KEY ? (?),' . PHP_EOL, new Symbol($index->getName()), $columns);
} elseif ($index->type === Index::TYPE_UNIQUE) {
$this->createLines->commaExpr(' CONSTRAINT ? UNIQUE (?)', new Symbol($index->getName()), $columns);
}
}
}
protected function processIndexes()
{
/** @var Index[] $beforeIndexes */
$beforeIndexes = array();
foreach ($this->before->indexes as $index) {
$beforeIndexes[$index->getName()] = $index;
}
foreach ($this->after->indexes as $index) {
$indexName = $index->getName();
if (!isset($beforeIndexes[$indexName])) {
$this->add($this->database()->expr('CREATE ' . ($index->type === Index::TYPE_UNIQUE ? 'UNIQUE ' : '') . 'INDEX ? ON ? (?)', new Symbol($index->getName()), new Symbol($this->before->schemaName), Symbol::prepareColumns($index->columns)));
} else {
unset($beforeIndexes[$indexName]);
}
}
foreach ($beforeIndexes as $index) {
if ($index->type === Index::TYPE_UNIQUE) {
$this->alterLines->commaExpr('DROP CONSTRAINT ?', new Symbol($index->getName()));
} else {
$this->add($this->database()->expr('DROP INDEX ?', new Symbol($index->getName())));
}
}
}
public function generateForeignKeyExpression(Database\Definition\ForeignKey $foreignKey)
{
return new SimpleExpression(' CONSTRAINT ? FOREIGN KEY (?) REFERENCES ? (?)??', new Symbol($foreignKey->getName()), Symbol::prepareColumns($foreignKey->getLocalColumns()), new Symbol($foreignKey->getReferencedTable()->schemaName), Symbol::prepareColumns($foreignKey->getReferenceColumns()), new Raw($foreignKey->onUpdate === ForeignKey::NO_ACTION ? '' : ' ON UPDATE ' . $foreignKey->onUpdate), new Raw($foreignKey->onDelete === ForeignKey::NO_ACTION ? '' : ' ON DELETE ' . $foreignKey->onDelete));
}
