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lib/symfony/vendor/propel/adapter/DBSybase.php

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+<?php
+
+/*
+ *  $Id: DBSybase.php 536 2007-01-10 14:30:38Z heltem $
+ *
+ * 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 LGPL. For more information please see
+ * <http://propel.phpdb.org>.
+ */
+
+require_once 'propel/adapter/DBAdapter.php';
+
+/**
+ * This is used to connect to a Sybase database using Sybase's
+ * Creole driver.
+ *
+ * <B>NOTE:</B><I>Currently JConnect does not implement the required
+ * methods for ResultSetMetaData, and therefore the village API's may
+ * not function.  For connection pooling, everything works.</I>
+ *
+ * @author     Hans Lellelid <hans@xmpl.org> (Propel)
+ * @author     Jeff Brekke <ekkerbj@netscape.net> (Torque)
+ * @version    $Revision: 536 $
+ * @package    propel.adapter
+ */
+class DBSybase extends DBAdapter {
+
+	/**
+	 * This method is used to ignore case.
+	 *
+	 * @param      in The string to transform to upper case.
+	 * @return     The upper case string.
+	 */
+	public function toUpperCase($in)
+	{
+		return "UPPER(" . $in . ")";
+	}
+
+	/**
+	 * This method is used to ignore case.
+	 *
+	 * @param      in The string whose case to ignore.
+	 * @return     The string in a case that can be ignored.
+	 */
+	public function ignoreCase($in)
+	{
+		return "UPPER(" . $in . ")";
+	}
+
+	/**
+	 * Returns SQL which concatenates the second string to the first.
+	 *
+	 * @param      string String to concatenate.
+	 * @param      string String to append.
+	 * @return     string
+	 */
+	public function concatString($s1, $s2)
+	{
+		return "($s1 + $s2)";
+	}
+
+	/**
+	 * Returns SQL which extracts a substring.
+	 *
+	 * @param      string String to extract from.
+	 * @param      int Offset to start from.
+	 * @param      int Number of characters to extract.
+	 * @return     string
+	 */
+	public function subString($s, $pos, $len)
+	{
+		return "SUBSTRING($s, $pos, $len)";
+	}
+
+	/**
+	 * Returns SQL which calculates the length (in chars) of a string.
+	 *
+	 * @param      string String to calculate length of.
+	 * @return     string
+	 */
+	public function strLength($s)
+	{
+		return "LEN($s)";
+	}
+
+	/**
+	 * Locks the specified table.
+	 *
+	 * @param      Connection $con The Creole connection to use.
+	 * @param      string $table The name of the table to lock.
+	 * @throws     SQLException No Statement could be created or executed.
+	 */
+	public function lockTable(Connection $con, $table)
+	{
+		$statement = $con->createStatement();
+		$sql = "SELECT next_id FROM " . $table . " FOR UPDATE";
+		$statement->executeQuery($sql);
+	}
+
+	/**
+	 * Unlocks the specified table.
+	 *
+	 * @param      Connection $con The Creole connection to use.
+	 * @param      string $table The name of the table to unlock.
+	 * @throws     SQLException No Statement could be created or executed.
+	 */
+	public function unlockTable(Connection $con, $table)
+	{
+		// Tables in Sybase are unlocked when a commit is issued.  The
+		// user may have issued a commit but do it here to be sure.
+		$con->commit();
+	}
+
+	/**
+	 * @see        DBAdapter::quoteIdentifier()
+	 */
+	public function quoteIdentifier($text)
+	{
+		return '[' . $text . ']';
+	}
+}