--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Db/Adapter/Oracle.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,642 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Db
+ * @subpackage Adapter
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Oracle.php 21108 2010-02-19 22:36:08Z mikaelkael $
+ */
+
+/**
+ * @see Zend_Db_Adapter_Abstract
+ */
+require_once 'Zend/Db/Adapter/Abstract.php';
+
+/**
+ * @see Zend_Db_Statement_Oracle
+ */
+require_once 'Zend/Db/Statement/Oracle.php';
+
+/**
+ * @category Zend
+ * @package Zend_Db
+ * @subpackage Adapter
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Db_Adapter_Oracle extends Zend_Db_Adapter_Abstract
+{
+ /**
+ * User-provided configuration.
+ *
+ * Basic keys are:
+ *
+ * username => (string) Connect to the database as this username.
+ * password => (string) Password associated with the username.
+ * dbname => Either the name of the local Oracle instance, or the
+ * name of the entry in tnsnames.ora to which you want to connect.
+ * persistent => (boolean) Set TRUE to use a persistent connection
+ * @var array
+ */
+ protected $_config = array(
+ 'dbname' => null,
+ 'username' => null,
+ 'password' => null,
+ 'persistent' => false
+ );
+
+ /**
+ * Keys are UPPERCASE SQL datatypes or the constants
+ * Zend_Db::INT_TYPE, Zend_Db::BIGINT_TYPE, or Zend_Db::FLOAT_TYPE.
+ *
+ * Values are:
+ * 0 = 32-bit integer
+ * 1 = 64-bit integer
+ * 2 = float or decimal
+ *
+ * @var array Associative array of datatypes to values 0, 1, or 2.
+ */
+ protected $_numericDataTypes = array(
+ Zend_Db::INT_TYPE => Zend_Db::INT_TYPE,
+ Zend_Db::BIGINT_TYPE => Zend_Db::BIGINT_TYPE,
+ Zend_Db::FLOAT_TYPE => Zend_Db::FLOAT_TYPE,
+ 'BINARY_DOUBLE' => Zend_Db::FLOAT_TYPE,
+ 'BINARY_FLOAT' => Zend_Db::FLOAT_TYPE,
+ 'NUMBER' => Zend_Db::FLOAT_TYPE,
+ );
+
+ /**
+ * @var integer
+ */
+ protected $_execute_mode = null;
+
+ /**
+ * Default class name for a DB statement.
+ *
+ * @var string
+ */
+ protected $_defaultStmtClass = 'Zend_Db_Statement_Oracle';
+
+ /**
+ * Check if LOB field are returned as string
+ * instead of OCI-Lob object
+ *
+ * @var boolean
+ */
+ protected $_lobAsString = null;
+
+ /**
+ * Creates a connection resource.
+ *
+ * @return void
+ * @throws Zend_Db_Adapter_Oracle_Exception
+ */
+ protected function _connect()
+ {
+ if (is_resource($this->_connection)) {
+ // connection already exists
+ return;
+ }
+
+ if (!extension_loaded('oci8')) {
+ /**
+ * @see Zend_Db_Adapter_Oracle_Exception
+ */
+ require_once 'Zend/Db/Adapter/Oracle/Exception.php';
+ throw new Zend_Db_Adapter_Oracle_Exception('The OCI8 extension is required for this adapter but the extension is not loaded');
+ }
+
+ $this->_setExecuteMode(OCI_COMMIT_ON_SUCCESS);
+
+ $connectionFuncName = ($this->_config['persistent'] == true) ? 'oci_pconnect' : 'oci_connect';
+
+ $this->_connection = @$connectionFuncName(
+ $this->_config['username'],
+ $this->_config['password'],
+ $this->_config['dbname'],
+ $this->_config['charset']);
+
+ // check the connection
+ if (!$this->_connection) {
+ /**
+ * @see Zend_Db_Adapter_Oracle_Exception
+ */
+ require_once 'Zend/Db/Adapter/Oracle/Exception.php';
+ throw new Zend_Db_Adapter_Oracle_Exception(oci_error());
+ }
+ }
+
+ /**
+ * Test if a connection is active
+ *
+ * @return boolean
+ */
+ public function isConnected()
+ {
+ return ((bool) (is_resource($this->_connection)
+ && get_resource_type($this->_connection) == 'oci8 connection'));
+ }
+
+ /**
+ * Force the connection to close.
+ *
+ * @return void
+ */
+ public function closeConnection()
+ {
+ if ($this->isConnected()) {
+ oci_close($this->_connection);
+ }
+ $this->_connection = null;
+ }
+
+ /**
+ * Activate/deactivate return of LOB as string
+ *
+ * @param string $lob_as_string
+ * @return Zend_Db_Adapter_Oracle
+ */
+ public function setLobAsString($lobAsString)
+ {
+ $this->_lobAsString = (bool) $lobAsString;
+ return $this;
+ }
+
+ /**
+ * Return whether or not LOB are returned as string
+ *
+ * @return boolean
+ */
+ public function getLobAsString()
+ {
+ if ($this->_lobAsString === null) {
+ // if never set by user, we use driver option if it exists otherwise false
+ if (isset($this->_config['driver_options']) &&
+ isset($this->_config['driver_options']['lob_as_string'])) {
+ $this->_lobAsString = (bool) $this->_config['driver_options']['lob_as_string'];
+ } else {
+ $this->_lobAsString = false;
+ }
+ }
+ return $this->_lobAsString;
+ }
+
+ /**
+ * Returns an SQL statement for preparation.
+ *
+ * @param string $sql The SQL statement with placeholders.
+ * @return Zend_Db_Statement_Oracle
+ */
+ public function prepare($sql)
+ {
+ $this->_connect();
+ $stmtClass = $this->_defaultStmtClass;
+ if (!class_exists($stmtClass)) {
+ require_once 'Zend/Loader.php';
+ Zend_Loader::loadClass($stmtClass);
+ }
+ $stmt = new $stmtClass($this, $sql);
+ if ($stmt instanceof Zend_Db_Statement_Oracle) {
+ $stmt->setLobAsString($this->getLobAsString());
+ }
+ $stmt->setFetchMode($this->_fetchMode);
+ return $stmt;
+ }
+
+ /**
+ * Quote a raw string.
+ *
+ * @param string $value Raw string
+ * @return string Quoted string
+ */
+ protected function _quote($value)
+ {
+ if (is_int($value) || is_float($value)) {
+ return $value;
+ }
+ $value = str_replace("'", "''", $value);
+ return "'" . addcslashes($value, "\000\n\r\\\032") . "'";
+ }
+
+ /**
+ * Quote a table identifier and alias.
+ *
+ * @param string|array|Zend_Db_Expr $ident The identifier or expression.
+ * @param string $alias An alias for the table.
+ * @param boolean $auto If true, heed the AUTO_QUOTE_IDENTIFIERS config option.
+ * @return string The quoted identifier and alias.
+ */
+ public function quoteTableAs($ident, $alias = null, $auto = false)
+ {
+ // Oracle doesn't allow the 'AS' keyword between the table identifier/expression and alias.
+ return $this->_quoteIdentifierAs($ident, $alias, $auto, ' ');
+ }
+
+ /**
+ * Return the most recent value from the specified sequence in the database.
+ * This is supported only on RDBMS brands that support sequences
+ * (e.g. Oracle, PostgreSQL, DB2). Other RDBMS brands return null.
+ *
+ * @param string $sequenceName
+ * @return string
+ */
+ public function lastSequenceId($sequenceName)
+ {
+ $this->_connect();
+ $sql = 'SELECT '.$this->quoteIdentifier($sequenceName, true).'.CURRVAL FROM dual';
+ $value = $this->fetchOne($sql);
+ return $value;
+ }
+
+ /**
+ * Generate a new value from the specified sequence in the database, and return it.
+ * This is supported only on RDBMS brands that support sequences
+ * (e.g. Oracle, PostgreSQL, DB2). Other RDBMS brands return null.
+ *
+ * @param string $sequenceName
+ * @return string
+ */
+ public function nextSequenceId($sequenceName)
+ {
+ $this->_connect();
+ $sql = 'SELECT '.$this->quoteIdentifier($sequenceName, true).'.NEXTVAL FROM dual';
+ $value = $this->fetchOne($sql);
+ return $value;
+ }
+
+ /**
+ * Gets the last ID generated automatically by an IDENTITY/AUTOINCREMENT column.
+ *
+ * As a convention, on RDBMS brands that support sequences
+ * (e.g. Oracle, PostgreSQL, DB2), this method forms the name of a sequence
+ * from the arguments and returns the last id generated by that sequence.
+ * On RDBMS brands that support IDENTITY/AUTOINCREMENT columns, this method
+ * returns the last value generated for such a column, and the table name
+ * argument is disregarded.
+ *
+ * Oracle does not support IDENTITY columns, so if the sequence is not
+ * specified, this method returns null.
+ *
+ * @param string $tableName OPTIONAL Name of table.
+ * @param string $primaryKey OPTIONAL Name of primary key column.
+ * @return string
+ */
+ public function lastInsertId($tableName = null, $primaryKey = null)
+ {
+ if ($tableName !== null) {
+ $sequenceName = $tableName;
+ if ($primaryKey) {
+ $sequenceName .= "_$primaryKey";
+ }
+ $sequenceName .= '_seq';
+ return $this->lastSequenceId($sequenceName);
+ }
+
+ // No support for IDENTITY columns; return null
+ return null;
+ }
+
+ /**
+ * Returns a list of the tables in the database.
+ *
+ * @return array
+ */
+ public function listTables()
+ {
+ $this->_connect();
+ $data = $this->fetchCol('SELECT table_name FROM all_tables');
+ return $data;
+ }
+
+ /**
+ * Returns the column descriptions for a table.
+ *
+ * The return value is an associative array keyed by the column name,
+ * as returned by the RDBMS.
+ *
+ * The value of each array element is an associative array
+ * with the following keys:
+ *
+ * SCHEMA_NAME => string; name of schema
+ * TABLE_NAME => string;
+ * COLUMN_NAME => string; column name
+ * COLUMN_POSITION => number; ordinal position of column in table
+ * DATA_TYPE => string; SQL datatype name of column
+ * DEFAULT => string; default expression of column, null if none
+ * NULLABLE => boolean; true if column can have nulls
+ * LENGTH => number; length of CHAR/VARCHAR
+ * SCALE => number; scale of NUMERIC/DECIMAL
+ * PRECISION => number; precision of NUMERIC/DECIMAL
+ * UNSIGNED => boolean; unsigned property of an integer type
+ * PRIMARY => boolean; true if column is part of the primary key
+ * PRIMARY_POSITION => integer; position of column in primary key
+ * IDENTITY => integer; true if column is auto-generated with unique values
+ *
+ * @todo Discover integer unsigned property.
+ *
+ * @param string $tableName
+ * @param string $schemaName OPTIONAL
+ * @return array
+ */
+ public function describeTable($tableName, $schemaName = null)
+ {
+ $version = $this->getServerVersion();
+ if (($version === null) || version_compare($version, '9.0.0', '>=')) {
+ $sql = "SELECT TC.TABLE_NAME, TC.OWNER, TC.COLUMN_NAME, TC.DATA_TYPE,
+ TC.DATA_DEFAULT, TC.NULLABLE, TC.COLUMN_ID, TC.DATA_LENGTH,
+ TC.DATA_SCALE, TC.DATA_PRECISION, C.CONSTRAINT_TYPE, CC.POSITION
+ FROM ALL_TAB_COLUMNS TC
+ LEFT JOIN (ALL_CONS_COLUMNS CC JOIN ALL_CONSTRAINTS C
+ ON (CC.CONSTRAINT_NAME = C.CONSTRAINT_NAME AND CC.TABLE_NAME = C.TABLE_NAME AND CC.OWNER = C.OWNER AND C.CONSTRAINT_TYPE = 'P'))
+ ON TC.TABLE_NAME = CC.TABLE_NAME AND TC.COLUMN_NAME = CC.COLUMN_NAME
+ WHERE UPPER(TC.TABLE_NAME) = UPPER(:TBNAME)";
+ $bind[':TBNAME'] = $tableName;
+ if ($schemaName) {
+ $sql .= ' AND UPPER(TC.OWNER) = UPPER(:SCNAME)';
+ $bind[':SCNAME'] = $schemaName;
+ }
+ $sql .= ' ORDER BY TC.COLUMN_ID';
+ } else {
+ $subSql="SELECT AC.OWNER, AC.TABLE_NAME, ACC.COLUMN_NAME, AC.CONSTRAINT_TYPE, ACC.POSITION
+ from ALL_CONSTRAINTS AC, ALL_CONS_COLUMNS ACC
+ WHERE ACC.CONSTRAINT_NAME = AC.CONSTRAINT_NAME
+ AND ACC.TABLE_NAME = AC.TABLE_NAME
+ AND ACC.OWNER = AC.OWNER
+ AND AC.CONSTRAINT_TYPE = 'P'
+ AND UPPER(AC.TABLE_NAME) = UPPER(:TBNAME)";
+ $bind[':TBNAME'] = $tableName;
+ if ($schemaName) {
+ $subSql .= ' AND UPPER(ACC.OWNER) = UPPER(:SCNAME)';
+ $bind[':SCNAME'] = $schemaName;
+ }
+ $sql="SELECT TC.TABLE_NAME, TC.OWNER, TC.COLUMN_NAME, TC.DATA_TYPE,
+ TC.DATA_DEFAULT, TC.NULLABLE, TC.COLUMN_ID, TC.DATA_LENGTH,
+ TC.DATA_SCALE, TC.DATA_PRECISION, CC.CONSTRAINT_TYPE, CC.POSITION
+ FROM ALL_TAB_COLUMNS TC, ($subSql) CC
+ WHERE UPPER(TC.TABLE_NAME) = UPPER(:TBNAME)
+ AND TC.OWNER = CC.OWNER(+) AND TC.TABLE_NAME = CC.TABLE_NAME(+) AND TC.COLUMN_NAME = CC.COLUMN_NAME(+)";
+ if ($schemaName) {
+ $sql .= ' AND UPPER(TC.OWNER) = UPPER(:SCNAME)';
+ }
+ $sql .= ' ORDER BY TC.COLUMN_ID';
+ }
+
+ $stmt = $this->query($sql, $bind);
+
+ /**
+ * Use FETCH_NUM so we are not dependent on the CASE attribute of the PDO connection
+ */
+ $result = $stmt->fetchAll(Zend_Db::FETCH_NUM);
+
+ $table_name = 0;
+ $owner = 1;
+ $column_name = 2;
+ $data_type = 3;
+ $data_default = 4;
+ $nullable = 5;
+ $column_id = 6;
+ $data_length = 7;
+ $data_scale = 8;
+ $data_precision = 9;
+ $constraint_type = 10;
+ $position = 11;
+
+ $desc = array();
+ foreach ($result as $key => $row) {
+ list ($primary, $primaryPosition, $identity) = array(false, null, false);
+ if ($row[$constraint_type] == 'P') {
+ $primary = true;
+ $primaryPosition = $row[$position];
+ /**
+ * Oracle does not support auto-increment keys.
+ */
+ $identity = false;
+ }
+ $desc[$this->foldCase($row[$column_name])] = array(
+ 'SCHEMA_NAME' => $this->foldCase($row[$owner]),
+ 'TABLE_NAME' => $this->foldCase($row[$table_name]),
+ 'COLUMN_NAME' => $this->foldCase($row[$column_name]),
+ 'COLUMN_POSITION' => $row[$column_id],
+ 'DATA_TYPE' => $row[$data_type],
+ 'DEFAULT' => $row[$data_default],
+ 'NULLABLE' => (bool) ($row[$nullable] == 'Y'),
+ 'LENGTH' => $row[$data_length],
+ 'SCALE' => $row[$data_scale],
+ 'PRECISION' => $row[$data_precision],
+ 'UNSIGNED' => null, // @todo
+ 'PRIMARY' => $primary,
+ 'PRIMARY_POSITION' => $primaryPosition,
+ 'IDENTITY' => $identity
+ );
+ }
+ return $desc;
+ }
+
+ /**
+ * Leave autocommit mode and begin a transaction.
+ *
+ * @return void
+ */
+ protected function _beginTransaction()
+ {
+ $this->_setExecuteMode(OCI_DEFAULT);
+ }
+
+ /**
+ * Commit a transaction and return to autocommit mode.
+ *
+ * @return void
+ * @throws Zend_Db_Adapter_Oracle_Exception
+ */
+ protected function _commit()
+ {
+ if (!oci_commit($this->_connection)) {
+ /**
+ * @see Zend_Db_Adapter_Oracle_Exception
+ */
+ require_once 'Zend/Db/Adapter/Oracle/Exception.php';
+ throw new Zend_Db_Adapter_Oracle_Exception(oci_error($this->_connection));
+ }
+ $this->_setExecuteMode(OCI_COMMIT_ON_SUCCESS);
+ }
+
+ /**
+ * Roll back a transaction and return to autocommit mode.
+ *
+ * @return void
+ * @throws Zend_Db_Adapter_Oracle_Exception
+ */
+ protected function _rollBack()
+ {
+ if (!oci_rollback($this->_connection)) {
+ /**
+ * @see Zend_Db_Adapter_Oracle_Exception
+ */
+ require_once 'Zend/Db/Adapter/Oracle/Exception.php';
+ throw new Zend_Db_Adapter_Oracle_Exception(oci_error($this->_connection));
+ }
+ $this->_setExecuteMode(OCI_COMMIT_ON_SUCCESS);
+ }
+
+ /**
+ * Set the fetch mode.
+ *
+ * @todo Support FETCH_CLASS and FETCH_INTO.
+ *
+ * @param integer $mode A fetch mode.
+ * @return void
+ * @throws Zend_Db_Adapter_Oracle_Exception
+ */
+ public function setFetchMode($mode)
+ {
+ switch ($mode) {
+ case Zend_Db::FETCH_NUM: // seq array
+ case Zend_Db::FETCH_ASSOC: // assoc array
+ case Zend_Db::FETCH_BOTH: // seq+assoc array
+ case Zend_Db::FETCH_OBJ: // object
+ $this->_fetchMode = $mode;
+ break;
+ case Zend_Db::FETCH_BOUND: // bound to PHP variable
+ /**
+ * @see Zend_Db_Adapter_Oracle_Exception
+ */
+ require_once 'Zend/Db/Adapter/Oracle/Exception.php';
+ throw new Zend_Db_Adapter_Oracle_Exception('FETCH_BOUND is not supported yet');
+ break;
+ default:
+ /**
+ * @see Zend_Db_Adapter_Oracle_Exception
+ */
+ require_once 'Zend/Db/Adapter/Oracle/Exception.php';
+ throw new Zend_Db_Adapter_Oracle_Exception("Invalid fetch mode '$mode' specified");
+ break;
+ }
+ }
+
+ /**
+ * Adds an adapter-specific LIMIT clause to the SELECT statement.
+ *
+ * @param string $sql
+ * @param integer $count
+ * @param integer $offset OPTIONAL
+ * @return string
+ * @throws Zend_Db_Adapter_Oracle_Exception
+ */
+ public function limit($sql, $count, $offset = 0)
+ {
+ $count = intval($count);
+ if ($count <= 0) {
+ /**
+ * @see Zend_Db_Adapter_Oracle_Exception
+ */
+ require_once 'Zend/Db/Adapter/Oracle/Exception.php';
+ throw new Zend_Db_Adapter_Oracle_Exception("LIMIT argument count=$count is not valid");
+ }
+
+ $offset = intval($offset);
+ if ($offset < 0) {
+ /**
+ * @see Zend_Db_Adapter_Oracle_Exception
+ */
+ require_once 'Zend/Db/Adapter/Oracle/Exception.php';
+ throw new Zend_Db_Adapter_Oracle_Exception("LIMIT argument offset=$offset is not valid");
+ }
+
+ /**
+ * Oracle does not implement the LIMIT clause as some RDBMS do.
+ * We have to simulate it with subqueries and ROWNUM.
+ * Unfortunately because we use the column wildcard "*",
+ * this puts an extra column into the query result set.
+ */
+ $limit_sql = "SELECT z2.*
+ FROM (
+ SELECT z1.*, ROWNUM AS \"zend_db_rownum\"
+ FROM (
+ " . $sql . "
+ ) z1
+ ) z2
+ WHERE z2.\"zend_db_rownum\" BETWEEN " . ($offset+1) . " AND " . ($offset+$count);
+ return $limit_sql;
+ }
+
+ /**
+ * @param integer $mode
+ * @throws Zend_Db_Adapter_Oracle_Exception
+ */
+ private function _setExecuteMode($mode)
+ {
+ switch($mode) {
+ case OCI_COMMIT_ON_SUCCESS:
+ case OCI_DEFAULT:
+ case OCI_DESCRIBE_ONLY:
+ $this->_execute_mode = $mode;
+ break;
+ default:
+ /**
+ * @see Zend_Db_Adapter_Oracle_Exception
+ */
+ require_once 'Zend/Db/Adapter/Oracle/Exception.php';
+ throw new Zend_Db_Adapter_Oracle_Exception("Invalid execution mode '$mode' specified");
+ break;
+ }
+ }
+
+ /**
+ * @return int
+ */
+ public function _getExecuteMode()
+ {
+ return $this->_execute_mode;
+ }
+
+ /**
+ * Check if the adapter supports real SQL parameters.
+ *
+ * @param string $type 'positional' or 'named'
+ * @return bool
+ */
+ public function supportsParameters($type)
+ {
+ switch ($type) {
+ case 'named':
+ return true;
+ case 'positional':
+ default:
+ return false;
+ }
+ }
+
+ /**
+ * Retrieve server version in PHP style
+ *
+ * @return string
+ */
+ public function getServerVersion()
+ {
+ $this->_connect();
+ $version = oci_server_version($this->_connection);
+ if ($version !== false) {
+ $matches = null;
+ if (preg_match('/((?:[0-9]{1,2}\.){1,3}[0-9]{1,2})/', $version, $matches)) {
+ return $matches[1];
+ } else {
+ return null;
+ }
+ } else {
+ return null;
+ }
+ }
+}