--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/Db/Adapter/Pdo/Oci.php Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,378 @@
+<?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: Oci.php 20096 2010-01-06 02:05:09Z bkarwin $
+ */
+
+
+/**
+ * @see Zend_Db_Adapter_Pdo_Abstract
+ */
+require_once 'Zend/Db/Adapter/Pdo/Abstract.php';
+
+
+/**
+ * Class for connecting to Oracle databases and performing common operations.
+ *
+ * @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_Pdo_Oci extends Zend_Db_Adapter_Pdo_Abstract
+{
+
+ /**
+ * PDO type.
+ *
+ * @var string
+ */
+ protected $_pdoType = 'oci';
+
+ /**
+ * Default class name for a DB statement.
+ *
+ * @var string
+ */
+ protected $_defaultStmtClass = 'Zend_Db_Statement_Pdo_Oci';
+
+ /**
+ * 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
+ );
+
+ /**
+ * Creates a PDO DSN for the adapter from $this->_config settings.
+ *
+ * @return string
+ */
+ protected function _dsn()
+ {
+ // baseline of DSN parts
+ $dsn = $this->_config;
+
+ if (isset($dsn['host'])) {
+ $tns = 'dbname=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)' .
+ '(HOST=' . $dsn['host'] . ')';
+
+ if (isset($dsn['port'])) {
+ $tns .= '(PORT=' . $dsn['port'] . ')';
+ } else {
+ $tns .= '(PORT=1521)';
+ }
+
+ $tns .= '))(CONNECT_DATA=(SID=' . $dsn['dbname'] . ')))';
+ } else {
+ $tns = 'dbname=' . $dsn['dbname'];
+ }
+
+ if (isset($dsn['charset'])) {
+ $tns .= ';charset=' . $dsn['charset'];
+ }
+
+ return $this->_pdoType . ':' . $tns;
+ }
+
+ /**
+ * Quote a raw string.
+ * Most PDO drivers have an implementation for the quote() method,
+ * but the Oracle OCI driver must use the same implementation as the
+ * Zend_Db_Adapter_Abstract class.
+ *
+ * @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 $alias An alias for the table.
+ * @return string The quoted identifier and alias.
+ */
+ public function quoteTableAs($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, ' ');
+ }
+
+ /**
+ * Returns a list of the tables in the database.
+ *
+ * @return array
+ */
+ public function listTables()
+ {
+ $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;
+ }
+
+ /**
+ * 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 $sequenceName
+ * @return integer
+ */
+ public function lastSequenceId($sequenceName)
+ {
+ $this->_connect();
+ $value = $this->fetchOne('SELECT '.$this->quoteIdentifier($sequenceName, true).'.CURRVAL FROM dual');
+ 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 $sequenceName
+ * @return integer
+ */
+ public function nextSequenceId($sequenceName)
+ {
+ $this->_connect();
+ $value = $this->fetchOne('SELECT '.$this->quoteIdentifier($sequenceName, true).'.NEXTVAL FROM dual');
+ 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 $primaryKey OPTIONAL Name of primary key column.
+ * @return string
+ * @throws Zend_Db_Adapter_Oracle_Exception
+ */
+ public function lastInsertId($tableName = null, $primaryKey = null)
+ {
+ if ($tableName !== null) {
+ $sequenceName = $tableName;
+ if ($primaryKey) {
+ $sequenceName .= $this->foldCase("_$primaryKey");
+ }
+ $sequenceName .= $this->foldCase('_seq');
+ return $this->lastSequenceId($sequenceName);
+ }
+ // No support for IDENTITY columns; return null
+ return null;
+ }
+
+ /**
+ * Adds an adapter-specific LIMIT clause to the SELECT statement.
+ *
+ * @param string $sql
+ * @param integer $count
+ * @param integer $offset
+ * @throws Zend_Db_Adapter_Exception
+ * @return string
+ */
+ public function limit($sql, $count, $offset = 0)
+ {
+ $count = intval($count);
+ if ($count <= 0) {
+ /** @see Zend_Db_Adapter_Exception */
+ require_once 'Zend/Db/Adapter/Exception.php';
+ throw new Zend_Db_Adapter_Exception("LIMIT argument count=$count is not valid");
+ }
+
+ $offset = intval($offset);
+ if ($offset < 0) {
+ /** @see Zend_Db_Adapter_Exception */
+ require_once 'Zend/Db/Adapter/Exception.php';
+ throw new Zend_Db_Adapter_Exception("LIMIT argument offset=$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;
+ }
+
+}