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<?php |
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/** |
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* components |
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* |
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* @author Wolfy-J |
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*/ |
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namespace Spiral\Database\Drivers\SQLite\Schemas; |
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use Spiral\Database\Schemas\Prototypes\AbstractColumn; |
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use Spiral\Database\Schemas\Prototypes\AbstractIndex; |
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use Spiral\Database\Schemas\Prototypes\AbstractReference; |
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use Spiral\Database\Schemas\Prototypes\AbstractTable; |
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class TableSchema extends AbstractTable |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function fetchColumns(): array |
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{ |
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/** |
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* Parsing column definitions. |
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*/ |
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$definition = $this->driver->query( |
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"SELECT sql FROM 'sqlite_master' WHERE type = 'table' and name = ?", |
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[$this->getName()] |
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)->fetchColumn(); |
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/* |
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* There is not really many ways to get extra information about column in SQLite, let's parse |
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* table schema. As mention, spiral SQLite schema reader will support fully only tables created |
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* by spiral as we expecting every column definition be on new line. |
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*/ |
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$definition = explode("\n", $definition); |
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$result = []; |
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foreach ($this->columnSchemas(['table' => $definition]) as $schema) { |
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//Making new column instance |
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$result[] = ColumnSchema::createInstance( |
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$this->getName(), |
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$schema + [ |
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'quoted' => $this->driver->quote($schema['name']), |
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'identifier' => $this->driver->identifier($schema['name']) |
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] |
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); |
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} |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function fetchIndexes(): array |
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{ |
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$query = "PRAGMA index_list({$this->driver->quote($this->getName())})"; |
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$result = []; |
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foreach ($this->driver->query($query) as $schema) { |
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//Index schema and all related columns |
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$result[] = IndexSchema::createInstance( |
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$this->getName(), |
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$schema, |
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$this->driver->query("PRAGMA INDEX_INFO({$this->driver->quote($schema['id'])})")->fetchAll() |
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); |
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} |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function fetchReferences(): array |
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{ |
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$query = "PRAGMA foreign_key_list({$this->driver->quote($this->getName())})"; |
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$result = []; |
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foreach ($this->driver->query($query) as $schema) { |
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$result[] = ReferenceSchema::createInstance( |
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$this->getName(), |
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$this->getPrefix(), |
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$schema |
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); |
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} |
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return $result; |
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} |
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/** |
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* Fetching primary keys from table. |
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* |
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* @return array |
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*/ |
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protected function fetchPrimaryKeys(): array |
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{ |
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$primaryKeys = []; |
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foreach ($this->columnSchemas() as $column) { |
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if (!empty($column['pk'])) { |
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$primaryKeys[] = $column['name']; |
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} |
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} |
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return $primaryKeys; |
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} |
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/** |
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* @param array $include Include following parameters into each line. |
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* |
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* @return array |
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*/ |
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private function columnSchemas(array $include = []): array |
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{ |
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$columns = $this->driver->query( |
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"PRAGMA TABLE_INFO(" . $this->driver->quote($this->getName()) . ")" |
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); |
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$result = []; |
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foreach ($columns as $column) { |
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$result[] = $column + $include; |
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} |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function createColumn(string $name): AbstractColumn |
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{ |
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return new ColumnSchema($this->getName(), $name); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function createIndex(string $name): AbstractIndex |
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{ |
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return new IndexSchema($this->getName(), $name); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function createReference(string $column): AbstractReference |
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{ |
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return new ReferenceSchema($this->getName(), $this->getPrefix(), $column); |
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} |
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} |
spiral /
components
