diff -r 000000000000 -r 7f95f8617b0b vendor/doctrine-dbal/lib/Doctrine/DBAL/Platforms/DB2Platform.php --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/doctrine-dbal/lib/Doctrine/DBAL/Platforms/DB2Platform.php Sat Sep 24 15:40:41 2011 +0200 @@ -0,0 +1,558 @@ +. +*/ + +namespace Doctrine\DBAL\Platforms; + +use Doctrine\DBAL\DBALException; +use Doctrine\DBAL\Schema\Index; +use Doctrine\DBAL\Schema\TableDiff; + +class DB2Platform extends AbstractPlatform +{ + public function initializeDoctrineTypeMappings() + { + $this->doctrineTypeMapping = array( + 'smallint' => 'smallint', + 'bigint' => 'bigint', + 'integer' => 'integer', + 'time' => 'time', + 'date' => 'date', + 'varchar' => 'string', + 'character' => 'string', + 'clob' => 'text', + 'decimal' => 'decimal', + 'double' => 'float', + 'real' => 'float', + 'timestamp' => 'datetime', + ); + } + + /** + * Gets the SQL snippet used to declare a VARCHAR column type. + * + * @param array $field + */ + protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed) + { + return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(255)') + : ($length ? 'VARCHAR(' . $length . ')' : 'VARCHAR(255)'); + } + + /** + * Gets the SQL snippet used to declare a CLOB column type. + * + * @param array $field + */ + public function getClobTypeDeclarationSQL(array $field) + { + // todo clob(n) with $field['length']; + return 'CLOB(1M)'; + } + + /** + * Gets the name of the platform. + * + * @return string + */ + public function getName() + { + return 'db2'; + } + + + /** + * Gets the SQL snippet that declares a boolean column. + * + * @param array $columnDef + * @return string + */ + public function getBooleanTypeDeclarationSQL(array $columnDef) + { + return 'SMALLINT'; + } + + /** + * Gets the SQL snippet that declares a 4 byte integer column. + * + * @param array $columnDef + * @return string + */ + public function getIntegerTypeDeclarationSQL(array $columnDef) + { + return 'INTEGER' . $this->_getCommonIntegerTypeDeclarationSQL($columnDef); + } + + /** + * Gets the SQL snippet that declares an 8 byte integer column. + * + * @param array $columnDef + * @return string + */ + public function getBigIntTypeDeclarationSQL(array $columnDef) + { + return 'BIGINT' . $this->_getCommonIntegerTypeDeclarationSQL($columnDef); + } + + /** + * Gets the SQL snippet that declares a 2 byte integer column. + * + * @param array $columnDef + * @return string + */ + public function getSmallIntTypeDeclarationSQL(array $columnDef) + { + return 'SMALLINT' . $this->_getCommonIntegerTypeDeclarationSQL($columnDef); + } + + /** + * Gets the SQL snippet that declares common properties of an integer column. + * + * @param array $columnDef + * @return string + */ + protected function _getCommonIntegerTypeDeclarationSQL(array $columnDef) + { + $autoinc = ''; + if ( ! empty($columnDef['autoincrement'])) { + $autoinc = ' GENERATED BY DEFAULT AS IDENTITY'; + } + return $autoinc; + } + + /** + * Obtain DBMS specific SQL to be used to create datetime fields in + * statements like CREATE TABLE + * + * @param array $fieldDeclaration + * @return string + */ + public function getDateTimeTypeDeclarationSQL(array $fieldDeclaration) + { + if (isset($fieldDeclaration['version']) && $fieldDeclaration['version'] == true) { + return "TIMESTAMP(0) WITH DEFAULT"; + } + + return 'TIMESTAMP(0)'; + } + + /** + * Obtain DBMS specific SQL to be used to create date fields in statements + * like CREATE TABLE. + * + * @param array $fieldDeclaration + * @return string + */ + public function getDateTypeDeclarationSQL(array $fieldDeclaration) + { + return 'DATE'; + } + + /** + * Obtain DBMS specific SQL to be used to create time fields in statements + * like CREATE TABLE. + * + * @param array $fieldDeclaration + * @return string + */ + public function getTimeTypeDeclarationSQL(array $fieldDeclaration) + { + return 'TIME'; + } + + public function getListDatabasesSQL() + { + throw DBALException::notSupported(__METHOD__); + } + + public function getListSequencesSQL($database) + { + throw DBALException::notSupported(__METHOD__); + } + + public function getListTableConstraintsSQL($table) + { + throw DBALException::notSupported(__METHOD__); + } + + /** + * This code fragment is originally from the Zend_Db_Adapter_Db2 class. + * + * @license New BSD License + * @param string $table + * @return string + */ + public function getListTableColumnsSQL($table, $database = null) + { + return "SELECT DISTINCT c.tabschema, c.tabname, c.colname, c.colno, + c.typename, c.default, c.nulls, c.length, c.scale, + c.identity, tc.type AS tabconsttype, k.colseq + FROM syscat.columns c + LEFT JOIN (syscat.keycoluse k JOIN syscat.tabconst tc + ON (k.tabschema = tc.tabschema + AND k.tabname = tc.tabname + AND tc.type = 'P')) + ON (c.tabschema = k.tabschema + AND c.tabname = k.tabname + AND c.colname = k.colname) + WHERE UPPER(c.tabname) = UPPER('" . $table . "') ORDER BY c.colno"; + } + + public function getListTablesSQL() + { + return "SELECT NAME FROM SYSIBM.SYSTABLES WHERE TYPE = 'T'"; + } + + public function getListUsersSQL() + { + throw DBALException::notSupported(__METHOD__); + } + + /** + * Get the SQL to list all views of a database or user. + * + * @param string $database + * @return string + */ + public function getListViewsSQL($database) + { + return "SELECT NAME, TEXT FROM SYSIBM.SYSVIEWS"; + } + + public function getListTableIndexesSQL($table, $currentDatabase = null) + { + return "SELECT NAME, COLNAMES, UNIQUERULE FROM SYSIBM.SYSINDEXES WHERE TBNAME = UPPER('" . $table . "')"; + } + + public function getListTableForeignKeysSQL($table) + { + return "SELECT TBNAME, RELNAME, REFTBNAME, DELETERULE, UPDATERULE, FKCOLNAMES, PKCOLNAMES ". + "FROM SYSIBM.SYSRELS WHERE TBNAME = UPPER('".$table."')"; + } + + public function getCreateViewSQL($name, $sql) + { + return "CREATE VIEW ".$name." AS ".$sql; + } + + public function getDropViewSQL($name) + { + return "DROP VIEW ".$name; + } + + public function getDropSequenceSQL($sequence) + { + throw DBALException::notSupported(__METHOD__); + } + + public function getSequenceNextValSQL($sequenceName) + { + throw DBALException::notSupported(__METHOD__); + } + + public function getCreateDatabaseSQL($database) + { + return "CREATE DATABASE ".$database; + } + + public function getDropDatabaseSQL($database) + { + return "DROP DATABASE ".$database.";"; + } + + public function supportsCreateDropDatabase() + { + return false; + } + + /** + * Whether the platform supports releasing savepoints. + * + * @return boolean + */ + public function supportsReleaseSavepoints() + { + return false; + } + + /** + * Gets the SQL specific for the platform to get the current date. + * + * @return string + */ + public function getCurrentDateSQL() + { + return 'VALUES CURRENT DATE'; + } + + /** + * Gets the SQL specific for the platform to get the current time. + * + * @return string + */ + public function getCurrentTimeSQL() + { + return 'VALUES CURRENT TIME'; + } + + /** + * Gets the SQL specific for the platform to get the current timestamp + * + * @return string + */ + + public function getCurrentTimestampSQL() + { + return "VALUES CURRENT TIMESTAMP"; + } + + /** + * Obtain DBMS specific SQL code portion needed to set an index + * declaration to be used in statements like CREATE TABLE. + * + * @param string $name name of the index + * @param Index $index index definition + * @return string DBMS specific SQL code portion needed to set an index + */ + public function getIndexDeclarationSQL($name, Index $index) + { + return $this->getUniqueConstraintDeclarationSQL($name, $index); + } + + /** + * @param string $tableName + * @param array $columns + * @param array $options + * @return array + */ + protected function _getCreateTableSQL($tableName, array $columns, array $options = array()) + { + $indexes = array(); + if (isset($options['indexes'])) { + $indexes = $options['indexes']; + } + $options['indexes'] = array(); + + $sqls = parent::_getCreateTableSQL($tableName, $columns, $options); + + foreach ($indexes as $index => $definition) { + $sqls[] = $this->getCreateIndexSQL($definition, $tableName); + } + return $sqls; + } + + /** + * Gets the SQL to alter an existing table. + * + * @param TableDiff $diff + * @return array + */ + public function getAlterTableSQL(TableDiff $diff) + { + $sql = array(); + + $queryParts = array(); + foreach ($diff->addedColumns AS $fieldName => $column) { + $queryParts[] = 'ADD COLUMN ' . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray()); + } + + foreach ($diff->removedColumns AS $column) { + $queryParts[] = 'DROP COLUMN ' . $column->getQuotedName($this); + } + + foreach ($diff->changedColumns AS $columnDiff) { + /* @var $columnDiff Doctrine\DBAL\Schema\ColumnDiff */ + $column = $columnDiff->column; + $queryParts[] = 'ALTER ' . ($columnDiff->oldColumnName) . ' ' + . $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray()); + } + + foreach ($diff->renamedColumns AS $oldColumnName => $column) { + $queryParts[] = 'RENAME ' . $oldColumnName . ' TO ' . $column->getQuotedName($this); + } + + if (count($queryParts) > 0) { + $sql[] = 'ALTER TABLE ' . $diff->name . ' ' . implode(" ", $queryParts); + } + + $sql = array_merge($sql, $this->_getAlterTableIndexForeignKeySQL($diff)); + + if ($diff->newName !== false) { + $sql[] = 'RENAME TABLE TO ' . $diff->newName; + } + + return $sql; + } + + public function getDefaultValueDeclarationSQL($field) + { + if (isset($field['notnull']) && $field['notnull'] && !isset($field['default'])) { + if (in_array((string)$field['type'], array("Integer", "BigInteger", "SmallInteger"))) { + $field['default'] = 0; + } else if((string)$field['type'] == "DateTime") { + $field['default'] = "00-00-00 00:00:00"; + } else if ((string)$field['type'] == "Date") { + $field['default'] = "00-00-00"; + } else if((string)$field['type'] == "Time") { + $field['default'] = "00:00:00"; + } else { + $field['default'] = ''; + } + } + + unset($field['default']); // @todo this needs fixing + if (isset($field['version']) && $field['version']) { + if ((string)$field['type'] != "DateTime") { + $field['default'] = "1"; + } + } + + return parent::getDefaultValueDeclarationSQL($field); + } + + /** + * Get the insert sql for an empty insert statement + * + * @param string $tableName + * @param string $identifierColumnName + * @return string $sql + */ + public function getEmptyIdentityInsertSQL($tableName, $identifierColumnName) + { + return 'INSERT INTO ' . $tableName . ' (' . $identifierColumnName . ') VALUES (DEFAULT)'; + } + + public function getCreateTemporaryTableSnippetSQL() + { + return "DECLARE GLOBAL TEMPORARY TABLE"; + } + + /** + * DB2 automatically moves temporary tables into the SESSION. schema. + * + * @param string $tableName + * @return string + */ + public function getTemporaryTableName($tableName) + { + return "SESSION." . $tableName; + } + + protected function doModifyLimitQuery($query, $limit, $offset = null) + { + if ($limit === null && $offset === null) { + return $query; + } + + $limit = (int)$limit; + $offset = (int)(($offset)?:0); + + // Todo OVER() needs ORDER BY data! + $sql = 'SELECT db22.* FROM (SELECT ROW_NUMBER() OVER() AS DC_ROWNUM, db21.* '. + 'FROM (' . $query . ') db21) db22 WHERE db22.DC_ROWNUM BETWEEN ' . ($offset+1) .' AND ' . ($offset+$limit); + return $sql; + } + + /** + * returns the position of the first occurrence of substring $substr in string $str + * + * @param string $substr literal string to find + * @param string $str literal string + * @param int $pos position to start at, beginning of string by default + * @return integer + */ + public function getLocateExpression($str, $substr, $startPos = false) + { + if ($startPos == false) { + return 'LOCATE(' . $substr . ', ' . $str . ')'; + } else { + return 'LOCATE(' . $substr . ', ' . $str . ', '.$startPos.')'; + } + } + + /** + * return string to call a function to get a substring inside an SQL statement + * + * Note: Not SQL92, but common functionality. + * + * SQLite only supports the 2 parameter variant of this function + * + * @param string $value an sql string literal or column name/alias + * @param integer $from where to start the substring portion + * @param integer $len the substring portion length + * @return string + */ + public function getSubstringExpression($value, $from, $len = null) + { + if ($len === null) + return 'SUBSTR(' . $value . ', ' . $from . ')'; + else { + return 'SUBSTR(' . $value . ', ' . $from . ', ' . $len . ')'; + } + } + + public function supportsIdentityColumns() + { + return true; + } + + public function prefersIdentityColumns() + { + return true; + } + + /** + * Gets the character casing of a column in an SQL result set of this platform. + * + * DB2 returns all column names in SQL result sets in uppercase. + * + * @param string $column The column name for which to get the correct character casing. + * @return string The column name in the character casing used in SQL result sets. + */ + public function getSQLResultCasing($column) + { + return strtoupper($column); + } + + public function getForUpdateSQL() + { + return ' WITH RR USE AND KEEP UPDATE LOCKS'; + } + + public function getDummySelectSQL() + { + return 'SELECT 1 FROM sysibm.sysdummy1'; + } + + /** + * DB2 supports savepoints, but they work semantically different than on other vendor platforms. + * + * TODO: We have to investigate how to get DB2 up and running with savepoints. + * + * @return bool + */ + public function supportsSavepoints() + { + return false; + } + + protected function getReservedKeywordsClass() + { + return 'Doctrine\DBAL\Platforms\Keywords\DB2Keywords'; + } +} \ No newline at end of file