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<?php |
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declare(strict_types=1); |
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namespace Doctrine\DBAL\Schema; |
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use Doctrine\DBAL\Types\Type; |
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use const CASE_LOWER; |
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use function array_change_key_case; |
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use function assert; |
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use function is_resource; |
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use function is_string; |
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use function strpos; |
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use function strtolower; |
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use function substr; |
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use function trim; |
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/** |
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* IBM Db2 Schema Manager. |
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*/ |
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class DB2SchemaManager extends AbstractSchemaManager |
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{ |
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/** |
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* {@inheritdoc} |
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* |
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* Apparently creator is the schema not the user who created it: |
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* {@link http://publib.boulder.ibm.com/infocenter/dzichelp/v2r2/index.jsp?topic=/com.ibm.db29.doc.sqlref/db2z_sysibmsystablestable.htm} |
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*/ |
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public function listTableNames() : array |
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{ |
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$username = $this->_conn->getUsername(); |
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assert(is_string($username)); |
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$sql = $this->_platform->getListTablesSQL() . ' AND CREATOR = UPPER(?)'; |
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$tables = $this->_conn->fetchAll($sql, [$username]); |
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return $this->filterAssetNames($this->_getPortableTablesList($tables)); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _getPortableTableColumnDefinition($tableColumn) |
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{ |
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$tableColumn = array_change_key_case($tableColumn, CASE_LOWER); |
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$length = $precision = $default = null; |
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$scale = 0; |
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$fixed = false; |
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if ($tableColumn['default'] !== null && $tableColumn['default'] !== 'NULL') { |
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$default = trim($tableColumn['default'], "'"); |
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} |
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$type = $this->extractDoctrineTypeFromComment($tableColumn['comment']) |
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?? $this->_platform->getDoctrineTypeMapping($tableColumn['typename']); |
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switch (strtolower($tableColumn['typename'])) { |
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case 'varchar': |
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$length = $tableColumn['length']; |
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break; |
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case 'character': |
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$length = $tableColumn['length']; |
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$fixed = true; |
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break; |
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case 'clob': |
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$length = $tableColumn['length']; |
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break; |
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case 'decimal': |
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case 'double': |
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case 'real': |
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$scale = $tableColumn['scale']; |
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$precision = $tableColumn['length']; |
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break; |
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} |
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$options = [ |
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'length' => $length, |
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'unsigned' => false, |
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'fixed' => $fixed, |
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'default' => $default, |
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'autoincrement' => (bool) $tableColumn['autoincrement'], |
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'notnull' => $tableColumn['nulls'] === 'N', |
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'comment' => isset($tableColumn['comment']) && $tableColumn['comment'] !== '' |
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? $tableColumn['comment'] |
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: null, |
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'platformOptions' => [], |
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]; |
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if ($scale !== null && $precision !== null) { |
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$options['scale'] = $scale; |
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$options['precision'] = $precision; |
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} |
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return new Column($tableColumn['colname'], Type::getType($type), $options); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _getPortableTablesList($tables) |
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{ |
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$tableNames = []; |
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foreach ($tables as $tableRow) { |
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$tableRow = array_change_key_case($tableRow, CASE_LOWER); |
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$tableNames[] = $tableRow['name']; |
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} |
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return $tableNames; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _getPortableTableIndexesList(array $tableIndexRows, string $tableName) : array |
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{ |
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foreach ($tableIndexRows as &$tableIndexRow) { |
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$tableIndexRow = array_change_key_case($tableIndexRow, CASE_LOWER); |
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$tableIndexRow['primary'] = (bool) $tableIndexRow['primary']; |
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} |
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return parent::_getPortableTableIndexesList($tableIndexRows, $tableName); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _getPortableTableForeignKeyDefinition($tableForeignKey) |
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{ |
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return new ForeignKeyConstraint( |
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$tableForeignKey['local_columns'], |
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$tableForeignKey['foreign_table'], |
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$tableForeignKey['foreign_columns'], |
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$tableForeignKey['name'], |
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$tableForeignKey['options'] |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _getPortableTableForeignKeysList($tableForeignKeys) |
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{ |
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$foreignKeys = []; |
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foreach ($tableForeignKeys as $tableForeignKey) { |
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$tableForeignKey = array_change_key_case($tableForeignKey, CASE_LOWER); |
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if (! isset($foreignKeys[$tableForeignKey['index_name']])) { |
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$foreignKeys[$tableForeignKey['index_name']] = [ |
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'local_columns' => [$tableForeignKey['local_column']], |
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'foreign_table' => $tableForeignKey['foreign_table'], |
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'foreign_columns' => [$tableForeignKey['foreign_column']], |
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'name' => $tableForeignKey['index_name'], |
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'options' => [ |
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'onUpdate' => $tableForeignKey['on_update'], |
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'onDelete' => $tableForeignKey['on_delete'], |
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], |
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]; |
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} else { |
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$foreignKeys[$tableForeignKey['index_name']]['local_columns'][] = $tableForeignKey['local_column']; |
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$foreignKeys[$tableForeignKey['index_name']]['foreign_columns'][] = $tableForeignKey['foreign_column']; |
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} |
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} |
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return parent::_getPortableTableForeignKeysList($foreignKeys); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function _getPortableViewDefinition($view) |
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{ |
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$view = array_change_key_case($view, CASE_LOWER); |
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// sadly this still segfaults on PDO_IBM, see http://pecl.php.net/bugs/bug.php?id=17199 |
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//$view['text'] = (is_resource($view['text']) ? stream_get_contents($view['text']) : $view['text']); |
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if (! is_resource($view['text'])) { |
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$pos = strpos($view['text'], ' AS '); |
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$sql = substr($view['text'], $pos+4); |
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} else { |
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$sql = ''; |
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} |
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return new View($view['name'], $sql); |
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} |
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} |
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doctrine /
dbal
