X-Git-Url: http://git.inspyration.org/?a=blobdiff_plain;f=vendor%2Fdoctrine%2Fdbal%2Flib%2FDoctrine%2FDBAL%2FPlatforms%2FOraclePlatform.php;fp=vendor%2Fdoctrine%2Fdbal%2Flib%2FDoctrine%2FDBAL%2FPlatforms%2FOraclePlatform.php;h=cd5c774459850d3aa2e3b26ba6199a239ddddcad;hb=8b04b2d11798dee4f3e1358e4f43e97a6df851f6;hp=0000000000000000000000000000000000000000;hpb=73568cf05a785a45f94ca3f2351d9e07bf917958;p=zf2.biz%2Fgalerie.git

diff --git a/vendor/doctrine/dbal/lib/Doctrine/DBAL/Platforms/OraclePlatform.php b/vendor/doctrine/dbal/lib/Doctrine/DBAL/Platforms/OraclePlatform.php
new file mode 100644
index 0000000..cd5c774
--- /dev/null
+++ b/vendor/doctrine/dbal/lib/Doctrine/DBAL/Platforms/OraclePlatform.php
@@ -0,0 +1,822 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\DBAL\Platforms;
+
+use Doctrine\DBAL\Schema\ForeignKeyConstraint;
+use Doctrine\DBAL\Schema\Index;
+use Doctrine\DBAL\Schema\Sequence;
+use Doctrine\DBAL\Schema\Table;
+use Doctrine\DBAL\Schema\TableDiff;
+use Doctrine\DBAL\DBALException;
+
+/**
+ * OraclePlatform.
+ *
+ * @since 2.0
+ * @author Roman Borschel <roman@code-factory.org>
+ * @author Lukas Smith <smith@pooteeweet.org> (PEAR MDB2 library)
+ * @author Benjamin Eberlei <kontakt@beberlei.de>
+ */
+class OraclePlatform extends AbstractPlatform
+{
+    /**
+     * Assertion for Oracle identifiers
+     *
+     * @link http://docs.oracle.com/cd/B19306_01/server.102/b14200/sql_elements008.htm
+     *
+     * @param string
+     *
+     * @throws DBALException
+     */
+    static public function assertValidIdentifier($identifier)
+    {
+        if ( ! preg_match('(^(([a-zA-Z]{1}[a-zA-Z0-9_$#]{0,})|("[^"]+"))$)', $identifier)) {
+            throw new DBALException("Invalid Oracle identifier");
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getSubstringExpression($value, $position, $length = null)
+    {
+        if ($length !== null) {
+            return "SUBSTR($value, $position, $length)";
+        }
+
+        return "SUBSTR($value, $position)";
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getNowExpression($type = 'timestamp')
+    {
+        switch ($type) {
+            case 'date':
+            case 'time':
+            case 'timestamp':
+            default:
+                return 'TO_CHAR(CURRENT_TIMESTAMP, \'YYYY-MM-DD HH24:MI:SS\')';
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getLocateExpression($str, $substr, $startPos = false)
+    {
+        if ($startPos == false) {
+            return 'INSTR('.$str.', '.$substr.')';
+        }
+
+        return 'INSTR('.$str.', '.$substr.', '.$startPos.')';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getGuidExpression()
+    {
+        return 'SYS_GUID()';
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * Note: Since Oracle timestamp differences are calculated down to the microsecond we have to truncate
+     * them to the difference in days. This is obviously a restriction of the original functionality, but we
+     * need to make this a portable function.
+     */
+    public function getDateDiffExpression($date1, $date2)
+    {
+        return "TRUNC(TO_NUMBER(SUBSTR((" . $date1 . "-" . $date2 . "), 1, INSTR(" . $date1 . "-" . $date2 .", ' '))))";
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateAddDaysExpression($date, $days)
+    {
+        return '(' . $date . '+' . $days . ')';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateSubDaysExpression($date, $days)
+    {
+        return '(' . $date . '-' . $days . ')';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateAddMonthExpression($date, $months)
+    {
+        return "ADD_MONTHS(" . $date . ", " . $months . ")";
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateSubMonthExpression($date, $months)
+    {
+        return "ADD_MONTHS(" . $date . ", -" . $months . ")";
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getBitAndComparisonExpression($value1, $value2)
+    {
+        return 'BITAND('.$value1 . ', ' . $value2 . ')';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getBitOrComparisonExpression($value1, $value2)
+    {
+        return '(' . $value1 . '-' .
+                $this->getBitAndComparisonExpression($value1, $value2)
+                . '+' . $value2 . ')';
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * Need to specifiy minvalue, since start with is hidden in the system and MINVALUE <= START WITH.
+     * Therefore we can use MINVALUE to be able to get a hint what START WITH was for later introspection
+     * in {@see listSequences()}
+     */
+    public function getCreateSequenceSQL(Sequence $sequence)
+    {
+        return 'CREATE SEQUENCE ' . $sequence->getQuotedName($this) .
+               ' START WITH ' . $sequence->getInitialValue() .
+               ' MINVALUE ' . $sequence->getInitialValue() .
+               ' INCREMENT BY ' . $sequence->getAllocationSize();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getAlterSequenceSQL(\Doctrine\DBAL\Schema\Sequence $sequence)
+    {
+        return 'ALTER SEQUENCE ' . $sequence->getQuotedName($this) .
+               ' INCREMENT BY ' . $sequence->getAllocationSize();
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getSequenceNextValSQL($sequenceName)
+    {
+        return 'SELECT ' . $sequenceName . '.nextval FROM DUAL';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getSetTransactionIsolationSQL($level)
+    {
+        return 'SET TRANSACTION ISOLATION LEVEL ' . $this->_getTransactionIsolationLevelSQL($level);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function _getTransactionIsolationLevelSQL($level)
+    {
+        switch ($level) {
+            case \Doctrine\DBAL\Connection::TRANSACTION_READ_UNCOMMITTED:
+                return 'READ UNCOMMITTED';
+            case \Doctrine\DBAL\Connection::TRANSACTION_READ_COMMITTED:
+                return 'READ COMMITTED';
+            case \Doctrine\DBAL\Connection::TRANSACTION_REPEATABLE_READ:
+            case \Doctrine\DBAL\Connection::TRANSACTION_SERIALIZABLE:
+                return 'SERIALIZABLE';
+            default:
+                return parent::_getTransactionIsolationLevelSQL($level);
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getBooleanTypeDeclarationSQL(array $field)
+    {
+        return 'NUMBER(1)';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getIntegerTypeDeclarationSQL(array $field)
+    {
+        return 'NUMBER(10)';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getBigIntTypeDeclarationSQL(array $field)
+    {
+        return 'NUMBER(20)';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getSmallIntTypeDeclarationSQL(array $field)
+    {
+        return 'NUMBER(5)';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateTimeTypeDeclarationSQL(array $fieldDeclaration)
+    {
+        return 'TIMESTAMP(0)';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateTimeTzTypeDeclarationSQL(array $fieldDeclaration)
+    {
+        return 'TIMESTAMP(0) WITH TIME ZONE';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateTypeDeclarationSQL(array $fieldDeclaration)
+    {
+        return 'DATE';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getTimeTypeDeclarationSQL(array $fieldDeclaration)
+    {
+        return 'DATE';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function _getCommonIntegerTypeDeclarationSQL(array $columnDef)
+    {
+        return '';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function getVarcharTypeDeclarationSQLSnippet($length, $fixed)
+    {
+        return $fixed ? ($length ? 'CHAR(' . $length . ')' : 'CHAR(2000)')
+                : ($length ? 'VARCHAR2(' . $length . ')' : 'VARCHAR2(4000)');
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getClobTypeDeclarationSQL(array $field)
+    {
+        return 'CLOB';
+    }
+
+    public function getListDatabasesSQL()
+    {
+        return 'SELECT username FROM all_users';
+    }
+
+    public function getListSequencesSQL($database)
+    {
+        return "SELECT sequence_name, min_value, increment_by FROM sys.all_sequences ".
+               "WHERE SEQUENCE_OWNER = '".strtoupper($database)."'";
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function _getCreateTableSQL($table, array $columns, array $options = array())
+    {
+        $indexes = isset($options['indexes']) ? $options['indexes'] : array();
+        $options['indexes'] = array();
+        $sql = parent::_getCreateTableSQL($table, $columns, $options);
+
+        foreach ($columns as $name => $column) {
+            if (isset($column['sequence'])) {
+                $sql[] = $this->getCreateSequenceSQL($column['sequence'], 1);
+            }
+
+            if (isset($column['autoincrement']) && $column['autoincrement'] ||
+               (isset($column['autoinc']) && $column['autoinc'])) {
+                $sql = array_merge($sql, $this->getCreateAutoincrementSql($name, $table));
+            }
+        }
+
+        if (isset($indexes) && ! empty($indexes)) {
+            foreach ($indexes as $index) {
+                $sql[] = $this->getCreateIndexSQL($index, $table);
+            }
+        }
+
+        return $sql;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @license New BSD License
+     * @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaOracleReader.html
+     */
+    public function getListTableIndexesSQL($table, $currentDatabase = null)
+    {
+        $table = strtoupper($table);
+
+        return "SELECT uind.index_name AS name, " .
+             "       uind.index_type AS type, " .
+             "       decode( uind.uniqueness, 'NONUNIQUE', 0, 'UNIQUE', 1 ) AS is_unique, " .
+             "       uind_col.column_name AS column_name, " .
+             "       uind_col.column_position AS column_pos, " .
+             "       (SELECT ucon.constraint_type FROM user_constraints ucon WHERE ucon.constraint_name = uind.index_name) AS is_primary ".
+             "FROM user_indexes uind, user_ind_columns uind_col " .
+             "WHERE uind.index_name = uind_col.index_name AND uind_col.table_name = '$table' ORDER BY uind_col.column_position ASC";
+    }
+
+    public function getListTablesSQL()
+    {
+        return 'SELECT * FROM sys.user_tables';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getListViewsSQL($database)
+    {
+        return 'SELECT view_name, text FROM sys.user_views';
+    }
+
+    public function getCreateViewSQL($name, $sql)
+    {
+        return 'CREATE VIEW ' . $name . ' AS ' . $sql;
+    }
+
+    public function getDropViewSQL($name)
+    {
+        return 'DROP VIEW '. $name;
+    }
+
+    public function getCreateAutoincrementSql($name, $table, $start = 1)
+    {
+        $table = strtoupper($table);
+        $sql   = array();
+
+        $indexName  = $table . '_AI_PK';
+
+        $idx = new Index($indexName, array($name), true, true);
+
+        $sql[] = 'DECLARE
+  constraints_Count NUMBER;
+BEGIN
+  SELECT COUNT(CONSTRAINT_NAME) INTO constraints_Count FROM USER_CONSTRAINTS WHERE TABLE_NAME = \''.$table.'\' AND CONSTRAINT_TYPE = \'P\';
+  IF constraints_Count = 0 OR constraints_Count = \'\' THEN
+    EXECUTE IMMEDIATE \''.$this->getCreateConstraintSQL($idx, $table).'\';
+  END IF;
+END;';
+
+        $sequenceName = $table . '_SEQ';
+        $sequence = new Sequence($sequenceName, $start);
+        $sql[] = $this->getCreateSequenceSQL($sequence);
+
+        $triggerName  = $table . '_AI_PK';
+        $sql[] = 'CREATE TRIGGER ' . $triggerName . '
+   BEFORE INSERT
+   ON ' . $table . '
+   FOR EACH ROW
+DECLARE
+   last_Sequence NUMBER;
+   last_InsertID NUMBER;
+BEGIN
+   SELECT ' . $sequenceName . '.NEXTVAL INTO :NEW.' . $name . ' FROM DUAL;
+   IF (:NEW.' . $name . ' IS NULL OR :NEW.'.$name.' = 0) THEN
+      SELECT ' . $sequenceName . '.NEXTVAL INTO :NEW.' . $name . ' FROM DUAL;
+   ELSE
+      SELECT NVL(Last_Number, 0) INTO last_Sequence
+        FROM User_Sequences
+       WHERE Sequence_Name = \'' . $sequenceName . '\';
+      SELECT :NEW.' . $name . ' INTO last_InsertID FROM DUAL;
+      WHILE (last_InsertID > last_Sequence) LOOP
+         SELECT ' . $sequenceName . '.NEXTVAL INTO last_Sequence FROM DUAL;
+      END LOOP;
+   END IF;
+END;';
+
+        return $sql;
+    }
+
+    public function getDropAutoincrementSql($table)
+    {
+        $table = strtoupper($table);
+        $trigger = $table . '_AI_PK';
+
+        $sql[] = 'DROP TRIGGER ' . $trigger;
+        $sql[] = $this->getDropSequenceSQL($table.'_SEQ');
+
+        $indexName = $table . '_AI_PK';
+        $sql[] = $this->getDropConstraintSQL($indexName, $table);
+
+        return $sql;
+    }
+
+    public function getListTableForeignKeysSQL($table)
+    {
+        $table = strtoupper($table);
+
+        return "SELECT alc.constraint_name,
+          alc.DELETE_RULE,
+          alc.search_condition,
+          cols.column_name \"local_column\",
+          cols.position,
+          r_alc.table_name \"references_table\",
+          r_cols.column_name \"foreign_column\"
+     FROM user_cons_columns cols
+LEFT JOIN user_constraints alc
+       ON alc.constraint_name = cols.constraint_name
+LEFT JOIN user_constraints r_alc
+       ON alc.r_constraint_name = r_alc.constraint_name
+LEFT JOIN user_cons_columns r_cols
+       ON r_alc.constraint_name = r_cols.constraint_name
+      AND cols.position = r_cols.position
+    WHERE alc.constraint_name = cols.constraint_name
+      AND alc.constraint_type = 'R'
+      AND alc.table_name = '".$table."'";
+    }
+
+    public function getListTableConstraintsSQL($table)
+    {
+        $table = strtoupper($table);
+        return 'SELECT * FROM user_constraints WHERE table_name = \'' . $table . '\'';
+    }
+
+    public function getListTableColumnsSQL($table, $database = null)
+    {
+        $table = strtoupper($table);
+
+        $tabColumnsTableName = "user_tab_columns";
+        $ownerCondition = '';
+
+        if (null !== $database){
+            $database = strtoupper($database);
+            $tabColumnsTableName = "all_tab_columns";
+            $ownerCondition = "AND c.owner = '".$database."'";
+        }
+
+        return "SELECT c.*, d.comments FROM $tabColumnsTableName c ".
+               "INNER JOIN user_col_comments d ON d.TABLE_NAME = c.TABLE_NAME AND d.COLUMN_NAME = c.COLUMN_NAME ".
+               "WHERE c.table_name = '" . $table . "' ".$ownerCondition." ORDER BY c.column_name";
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDropSequenceSQL($sequence)
+    {
+        if ($sequence instanceof Sequence) {
+            $sequence = $sequence->getQuotedName($this);
+        }
+
+        return 'DROP SEQUENCE ' . $sequence;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDropForeignKeySQL($foreignKey, $table)
+    {
+        if ($foreignKey instanceof ForeignKeyConstraint) {
+            $foreignKey = $foreignKey->getQuotedName($this);
+        }
+
+        if ($table instanceof Table) {
+            $table = $table->getQuotedName($this);
+        }
+
+        return 'ALTER TABLE ' . $table . ' DROP CONSTRAINT ' . $foreignKey;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDropDatabaseSQL($database)
+    {
+        return 'DROP USER ' . $database . ' CASCADE';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getAlterTableSQL(TableDiff $diff)
+    {
+        $sql = array();
+        $commentsSQL = array();
+        $columnSql = array();
+
+        $fields = array();
+
+        foreach ($diff->addedColumns as $column) {
+            if ($this->onSchemaAlterTableAddColumn($column, $diff, $columnSql)) {
+                continue;
+            }
+
+            $fields[] = $this->getColumnDeclarationSQL($column->getQuotedName($this), $column->toArray());
+            if ($comment = $this->getColumnComment($column)) {
+                $commentsSQL[] = $this->getCommentOnColumnSQL($diff->name, $column->getName(), $comment);
+            }
+        }
+
+        if (count($fields)) {
+            $sql[] = 'ALTER TABLE ' . $diff->name . ' ADD (' . implode(', ', $fields) . ')';
+        }
+
+        $fields = array();
+        foreach ($diff->changedColumns as $columnDiff) {
+            if ($this->onSchemaAlterTableChangeColumn($columnDiff, $diff, $columnSql)) {
+                continue;
+            }
+
+            $column = $columnDiff->column;
+            $fields[] = $column->getQuotedName($this). ' ' . $this->getColumnDeclarationSQL('', $column->toArray());
+            if ($columnDiff->hasChanged('comment') && $comment = $this->getColumnComment($column)) {
+                $commentsSQL[] = $this->getCommentOnColumnSQL($diff->name, $column->getName(), $comment);
+            }
+        }
+
+        if (count($fields)) {
+            $sql[] = 'ALTER TABLE ' . $diff->name . ' MODIFY (' . implode(', ', $fields) . ')';
+        }
+
+        foreach ($diff->renamedColumns as $oldColumnName => $column) {
+            if ($this->onSchemaAlterTableRenameColumn($oldColumnName, $column, $diff, $columnSql)) {
+                continue;
+            }
+
+            $sql[] = 'ALTER TABLE ' . $diff->name . ' RENAME COLUMN ' . $oldColumnName .' TO ' . $column->getQuotedName($this);
+        }
+
+        $fields = array();
+        foreach ($diff->removedColumns as $column) {
+            if ($this->onSchemaAlterTableRemoveColumn($column, $diff, $columnSql)) {
+                continue;
+            }
+
+            $fields[] = $column->getQuotedName($this);
+        }
+
+        if (count($fields)) {
+            $sql[] = 'ALTER TABLE ' . $diff->name . ' DROP (' . implode(', ', $fields).')';
+        }
+
+        $tableSql = array();
+
+        if ( ! $this->onSchemaAlterTable($diff, $tableSql)) {
+            if ($diff->newName !== false) {
+                $sql[] = 'ALTER TABLE ' . $diff->name . ' RENAME TO ' . $diff->newName;
+            }
+
+            $sql = array_merge($sql, $this->_getAlterTableIndexForeignKeySQL($diff), $commentsSQL);
+        }
+
+        return array_merge($sql, $tableSql, $columnSql);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function prefersSequences()
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function supportsCommentOnStatement()
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getName()
+    {
+        return 'oracle';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function doModifyLimitQuery($query, $limit, $offset = null)
+    {
+        $limit = (int) $limit;
+        $offset = (int) $offset;
+
+        if (preg_match('/^\s*SELECT/i', $query)) {
+            if (!preg_match('/\sFROM\s/i', $query)) {
+                $query .= " FROM dual";
+            }
+            if ($limit > 0) {
+                $max = $offset + $limit;
+                $column = '*';
+                if ($offset > 0) {
+                    $min = $offset + 1;
+                    $query = 'SELECT * FROM (SELECT a.' . $column . ', rownum AS doctrine_rownum FROM (' .
+                            $query .
+                            ') a WHERE rownum <= ' . $max . ') WHERE doctrine_rownum >= ' . $min;
+                } else {
+                    $query = 'SELECT a.' . $column . ' FROM (' . $query . ') a WHERE ROWNUM <= ' . $max;
+                }
+            }
+        }
+
+        return $query;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * Oracle returns all column names in SQL result sets in uppercase.
+     */
+    public function getSQLResultCasing($column)
+    {
+        return strtoupper($column);
+    }
+
+    public function getCreateTemporaryTableSnippetSQL()
+    {
+        return "CREATE GLOBAL TEMPORARY TABLE";
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateTimeTzFormatString()
+    {
+        return 'Y-m-d H:i:sP';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateFormatString()
+    {
+        return 'Y-m-d 00:00:00';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getTimeFormatString()
+    {
+        return '1900-01-01 H:i:s';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function fixSchemaElementName($schemaElementName)
+    {
+        if (strlen($schemaElementName) > 30) {
+            // Trim it
+            return substr($schemaElementName, 0, 30);
+        }
+
+        return $schemaElementName;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getMaxIdentifierLength()
+    {
+        return 30;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function supportsSequences()
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function supportsForeignKeyOnUpdate()
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function supportsReleaseSavepoints()
+    {
+        return false;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getTruncateTableSQL($tableName, $cascade = false)
+    {
+        return 'TRUNCATE TABLE '.$tableName;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getDummySelectSQL()
+    {
+        return 'SELECT 1 FROM DUAL';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function initializeDoctrineTypeMappings()
+    {
+        $this->doctrineTypeMapping = array(
+            'integer'           => 'integer',
+            'number'            => 'integer',
+            'pls_integer'       => 'boolean',
+            'binary_integer'    => 'boolean',
+            'varchar'           => 'string',
+            'varchar2'          => 'string',
+            'nvarchar2'         => 'string',
+            'char'              => 'string',
+            'nchar'             => 'string',
+            'date'              => 'datetime',
+            'timestamp'         => 'datetime',
+            'timestamptz'       => 'datetimetz',
+            'float'             => 'float',
+            'long'              => 'string',
+            'clob'              => 'text',
+            'nclob'             => 'text',
+            'raw'               => 'text',
+            'long raw'          => 'text',
+            'rowid'             => 'string',
+            'urowid'            => 'string',
+            'blob'              => 'blob',
+        );
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function releaseSavePoint($savepoint)
+    {
+        return '';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    protected function getReservedKeywordsClass()
+    {
+        return 'Doctrine\DBAL\Platforms\Keywords\OracleKeywords';
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getBlobTypeDeclarationSQL(array $field)
+    {
+        return 'BLOB';
+    }
+}