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<?php namespace Doctrine\DBAL\Schema; use Doctrine\DBAL\Exception; use Doctrine\DBAL\Platforms\DB2Platform; use Doctrine\DBAL\Types\Type; use Doctrine\DBAL\Types\Types; use function array_change_key_case; use function preg_match; use function str_replace; use function strpos; use function strtolower; use function substr; use const CASE_LOWER; /** * IBM Db2 Schema Manager. * * @extends AbstractSchemaManager<DB2Platform> */ class DB2SchemaManager extends AbstractSchemaManager { /** * {@inheritdoc} * * Apparently creator is the schema not the user who created it: * {@link http://publib.boulder.ibm.com/infocenter/dzichelp/v2r2/index.jsp?topic=/com.ibm.db29.doc.sqlref/db2z_sysibmsystablestable.htm} */ public function listTableNames() { $sql = $this->_platform->getListTablesSQL() . ' AND CREATOR = CURRENT_USER'; $tables = $this->_conn->fetchAllAssociative($sql); return $this->filterAssetNames($this->_getPortableTablesList($tables)); } /** * {@inheritdoc} * * @throws Exception */ protected function _getPortableTableColumnDefinition($tableColumn) { $tableColumn = array_change_key_case($tableColumn, CASE_LOWER); $length = null; $fixed = null; $scale = false; $precision = false; $default = null; if ($tableColumn['default'] !== null && $tableColumn['default'] !== 'NULL') { $default = $tableColumn['default']; if (preg_match('/^\'(.*)\'$/s', $default, $matches) === 1) { $default = str_replace("''", "'", $matches[1]); } } $type = $this->_platform->getDoctrineTypeMapping($tableColumn['typename']); if (isset($tableColumn['comment'])) { $type = $this->extractDoctrineTypeFromComment($tableColumn['comment'], $type); $tableColumn['comment'] = $this->removeDoctrineTypeFromComment($tableColumn['comment'], $type); } switch (strtolower($tableColumn['typename'])) { case 'varchar': if ($tableColumn['codepage'] === 0) { $type = Types::BINARY; } $length = $tableColumn['length']; $fixed = false; break; case 'character': if ($tableColumn['codepage'] === 0) { $type = Types::BINARY; } $length = $tableColumn['length']; $fixed = true; break; case 'clob': $length = $tableColumn['length']; break; case 'decimal': case 'double': case 'real': $scale = $tableColumn['scale']; $precision = $tableColumn['length']; break; } $options = [ 'length' => $length, 'unsigned' => false, 'fixed' => (bool) $fixed, 'default' => $default, 'autoincrement' => (bool) $tableColumn['autoincrement'], 'notnull' => $tableColumn['nulls'] === 'N', 'scale' => null, 'precision' => null, 'comment' => isset($tableColumn['comment']) && $tableColumn['comment'] !== '' ? $tableColumn['comment'] : null, 'platformOptions' => [], ]; if ($scale !== null && $precision !== null) { $options['scale'] = $scale; $options['precision'] = $precision; } return new Column($tableColumn['colname'], Type::getType($type), $options); } /** * {@inheritdoc} */ protected function _getPortableTablesList($tables) { $tableNames = []; foreach ($tables as $tableRow) { $tableRow = array_change_key_case($tableRow, CASE_LOWER); $tableNames[] = $tableRow['name']; } return $tableNames; } /** * {@inheritdoc} */ protected function _getPortableTableIndexesList($tableIndexes, $tableName = null) { foreach ($tableIndexes as &$tableIndexRow) { $tableIndexRow = array_change_key_case($tableIndexRow, CASE_LOWER); $tableIndexRow['primary'] = (bool) $tableIndexRow['primary']; } return parent::_getPortableTableIndexesList($tableIndexes, $tableName); } /** * {@inheritdoc} */ protected function _getPortableTableForeignKeyDefinition($tableForeignKey) { return new ForeignKeyConstraint( $tableForeignKey['local_columns'], $tableForeignKey['foreign_table'], $tableForeignKey['foreign_columns'], $tableForeignKey['name'], $tableForeignKey['options'] ); } /** * {@inheritdoc} */ protected function _getPortableTableForeignKeysList($tableForeignKeys) { $foreignKeys = []; foreach ($tableForeignKeys as $tableForeignKey) { $tableForeignKey = array_change_key_case($tableForeignKey, CASE_LOWER); if (! isset($foreignKeys[$tableForeignKey['index_name']])) { $foreignKeys[$tableForeignKey['index_name']] = [ 'local_columns' => [$tableForeignKey['local_column']], 'foreign_table' => $tableForeignKey['foreign_table'], 'foreign_columns' => [$tableForeignKey['foreign_column']], 'name' => $tableForeignKey['index_name'], 'options' => [ 'onUpdate' => $tableForeignKey['on_update'], 'onDelete' => $tableForeignKey['on_delete'], ], ]; } else { $foreignKeys[$tableForeignKey['index_name']]['local_columns'][] = $tableForeignKey['local_column']; $foreignKeys[$tableForeignKey['index_name']]['foreign_columns'][] = $tableForeignKey['foreign_column']; } } return parent::_getPortableTableForeignKeysList($foreignKeys); } /** * @param string $def * * @return string|null */ protected function _getPortableForeignKeyRuleDef($def) { if ($def === 'C') { return 'CASCADE'; } if ($def === 'N') { return 'SET NULL'; } return null; } /** * {@inheritdoc} */ protected function _getPortableViewDefinition($view) { $view = array_change_key_case($view, CASE_LOWER); $sql = ''; $pos = strpos($view['text'], ' AS '); if ($pos !== false) { $sql = substr($view['text'], $pos + 4); } return new View($view['name'], $sql); } /** * {@inheritdoc} */ public function listTableDetails($name): Table { $table = parent::listTableDetails($name); $sql = $this->_platform->getListTableCommentsSQL($name); $tableOptions = $this->_conn->fetchAssociative($sql); if ($tableOptions !== false) { $table->addOption('comment', $tableOptions['REMARKS']); } return $table; } }