<?php

/**
 * A class that implements the DB interface for Postgres
 * Note: This class uses ADODB and returns RecordSets.
 *
 * $Id: Postgres74.php,v 1.41 2004/10/06 08:43:33 jollytoad Exp $
 */

include_once('./classes/database/Postgres73.php');

class Postgres74 extends Postgres73 {

	// Last oid assigned to a system object
	var $_lastSystemOID = 17137;

	// Max object name length
	var $_maxNameLen = 63;
	
	/**
	 * Constructor
	 * @param $conn The database connection
	 */
	function Postgres74($conn) {
		$this->Postgres73($conn);
	}

	// Help functions
	
	function &getHelpPages() {
		include_once('./help/PostgresDoc74.php');
		return $this->help_page;
	}

	// Table functions
	
	/**
	 * Get the fields for uniquely identifying a row in a table
	 * @param $table The table for which to retrieve the identifier
	 * @return An array mapping attribute number to attribute name, empty for no identifiers
	 * @return -1 error
	 */
	function getRowIdentifier($table) {
		$oldtable = $table;
		$this->clean($table);
		
		$status = $this->beginTransaction();
		if ($status != 0) return -1;
		
		// Get the first primary or unique index (sorting primary keys first) that
		// is NOT a partial index.
		$sql = "SELECT indrelid, indkey FROM pg_catalog.pg_index WHERE indisunique AND 
			indrelid=(SELECT oid FROM pg_catalog.pg_class WHERE relname='{$table}' AND
			relnamespace=(SELECT oid FROM pg_catalog.pg_namespace WHERE nspname='{$this->_schema}'))
			AND indpred IS NULL AND indexprs IS NULL ORDER BY indisprimary DESC LIMIT 1";
		$rs = $this->selectSet($sql);

		// If none, check for an OID column.  Even though OIDs can be duplicated, the edit and delete row
		// functions check that they're only modiying a single row.  Otherwise, return empty array.
		if ($rs->recordCount() == 0) {			
			// Check for OID column
			$temp = array();
			if ($this->hasObjectID($table)) {
				$temp = array('oid');
			}
			$this->endTransaction();
			return $temp;
		}
		// Otherwise find the names of the keys
		else {
			$attnames = $this->getAttributeNames($oldtable, explode(' ', $rs->f['indkey']));
			if (!is_array($attnames)) {
				$this->rollbackTransaction();
				return -1;
			}
			else {
				$this->endTransaction();
				return $attnames;
			}
		}			
	}

	/**
	 * Sets up the data object for a dump.  eg. Starts the appropriate
	 * transaction, sets variables, etc.
	 * @return 0 success
	 */
	function beginDump() {
		$status = parent::beginDump();
		if ($status != 0) return $status;
		
		// Set extra_float_digits to 2
		$sql = "SET extra_float_digits TO 2";
		$status = $this->execute($sql);
		if ($status != 0) {
			$this->rollbackTransaction();
			return -1;
		}
	}

	// Group functions
	
	/**
	 * Return users in a specific group
	 * @param $groname The name of the group
	 * @return All users in the group
	 */
	function &getGroup($groname) {
		$this->clean($groname);

		$sql = "SELECT s.usename FROM pg_catalog.pg_user s, pg_catalog.pg_group g 
					WHERE g.groname='{$groname}' AND s.usesysid = ANY (g.grolist)
					ORDER BY s.usename";

		return $this->selectSet($sql);
	}
	
	// Schema functions
	
	/**
	 * Return all schemas in the current database.  This differs from the version
	 * in 7.3 only in that it considers the information_schema to be a system schema.
	 * @return All schemas, sorted alphabetically
	 */
	function &getSchemas() {
		global $conf;
		
		if (!$conf['show_system']) $and = "WHERE nspname NOT LIKE 'pg\\\\_%' AND nspname != 'information_schema'";
		else $and = "WHERE nspname !~ '^pg_t(emp_[0-9]+|oast)$'";
		$sql = "SELECT pn.nspname, pu.usename AS nspowner, pg_catalog.obj_description(pn.oid, 'pg_namespace') AS nspcomment
                        FROM pg_catalog.pg_namespace pn
                        JOIN pg_catalog.pg_user pu ON (pn.nspowner = pu.usesysid)
                        {$and} ORDER BY nspname";

		return $this->selectSet($sql);
	}	

	// Index functions
	
	/**
	 * Grabs a list of indexes for a table
	 * @param $table The name of a table whose indexes to retrieve
	 * @return A recordset
	 */
	function &getIndexes($table = '') {
		$this->clean($table);

		$sql = "SELECT c2.relname AS indname, i.indisprimary, i.indisunique, i.indisclustered,
			pg_catalog.pg_get_indexdef(i.indexrelid, 0, true) AS inddef
			FROM pg_catalog.pg_class c, pg_catalog.pg_class c2, pg_catalog.pg_index i
			WHERE c.relname = '{$table}' AND pg_catalog.pg_table_is_visible(c.oid) 
			AND c.oid = i.indrelid AND i.indexrelid = c2.oid
			ORDER BY c2.relname";

		return $this->selectSet($sql);
	}

	// View functions
	
	/**
	 * Returns all details for a particular view
	 * @param $view The name of the view to retrieve
	 * @return View info
	 */
	function &getView($view) {
		$this->clean($view);
		
		$sql = "SELECT c.relname, pg_catalog.pg_get_userbyid(c.relowner) AS relowner, 
                          pg_catalog.pg_get_viewdef(c.oid, true) AS vwdefinition, pg_catalog.obj_description(c.oid, 'pg_class') AS relcomment
                        FROM pg_catalog.pg_class c LEFT JOIN pg_catalog.pg_namespace n ON (n.oid = c.relnamespace)
                        WHERE (c.relname = '$view')
                        AND n.nspname='{$this->_schema}'";
 
		return $this->selectSet($sql);
	}	

	// Trigger functions
	
	/**
	 * Grabs a list of triggers on a table
	 * @param $table The name of a table whose triggers to retrieve
	 * @return A recordset
	 */
	function &getTriggers($table = '') {
		$this->clean($table);

		$sql = "SELECT t.tgname, pg_catalog.pg_get_triggerdef(t.oid) AS tgdef
			FROM pg_catalog.pg_trigger t
			WHERE t.tgrelid = (SELECT oid FROM pg_catalog.pg_class WHERE relname='{$table}'
			AND relnamespace=(SELECT oid FROM pg_catalog.pg_namespace WHERE nspname='{$this->_schema}'))
			AND (NOT tgisconstraint OR NOT EXISTS
			(SELECT 1 FROM pg_catalog.pg_depend d    JOIN pg_catalog.pg_constraint c
			ON (d.refclassid = c.tableoid AND d.refobjid = c.oid)
			WHERE d.classid = t.tableoid AND d.objid = t.oid AND d.deptype = 'i' AND c.contype = 'f'))";

		return $this->selectSet($sql);
	}

	// Constraint functions

	/**
	 * Returns a list of all constraints on a table
	 * @param $table The table to find rules for
	 * @return A recordset
	 */
	function &getConstraints($table) {
		$this->clean($table);

		// This SQL is greatly complicated by the need to retrieve
		// index clustering information for primary and unique constraints
		$sql = "SELECT
				pc.conname,
				pg_catalog.pg_get_constraintdef(pc.oid, true) AS consrc,
				pc.contype,
				CASE WHEN pc.contype='u' OR pc.contype='p' THEN (
					SELECT
						indisclustered
					FROM
						pg_catalog.pg_depend pd,
						pg_catalog.pg_class pl,
						pg_catalog.pg_index pi
					WHERE
						pd.refclassid=pc.tableoid 
						AND pd.refobjid=pc.oid
						AND pd.objid=pl.oid
						AND pl.oid=pi.indexrelid
				) ELSE
					NULL
				END AS indisclustered
			FROM
				pg_catalog.pg_constraint pc
			WHERE
				pc.conrelid = (SELECT oid FROM pg_catalog.pg_class WHERE relname='{$table}'
					AND relnamespace = (SELECT oid FROM pg_catalog.pg_namespace
					WHERE nspname='{$this->_schema}'))
			ORDER BY
				1
		";

		return $this->selectSet($sql);
	}

	// Administration functions

	/**
	 * Recluster a table or all the tables in the current database
	 * @param $table (optional) The table to recluster
	 */
	function recluster($table = '') {
		if ($table != '') {
			$this->fieldClean($table);
			$sql = "CLUSTER \"{$table}\"";
		}
		else
			$sql = "CLUSTER";

		return $this->execute($sql);
	}

	// Domain functions
	
	/**
	 * Get domain constraints
	 * @param $domain The name of the domain whose constraints to fetch
	 * @return A recordset
	 */
	function &getDomainConstraints($domain) {
		$this->clean($domain);
		
		$sql = "
			SELECT
				conname,
				contype,
				pg_catalog.pg_get_constraintdef(oid, true) AS consrc
			FROM
				pg_catalog.pg_constraint
			WHERE
				contypid = (SELECT oid FROM pg_catalog.pg_type
								WHERE typname='{$domain}'
								AND typnamespace = (SELECT oid FROM pg_catalog.pg_namespace
															WHERE nspname = '{$this->_schema}'))
			ORDER BY
				conname";
				
		return $this->selectSet($sql);
	}
	
	/**
	 * Drops a domain constraint
	 * @param $domain The domain from which to remove the constraint
	 * @param $constraint The constraint to remove
	 * @param $cascade True to cascade, false otherwise
	 * @return 0 success
	 */
	function dropDomainConstraint($domain, $constraint, $cascade) {
		$this->fieldClean($domain);
		$this->fieldClean($constraint);
		
		$sql = "ALTER DOMAIN \"{$domain}\" DROP CONSTRAINT \"{$constraint}\"";
		if ($cascade) $sql .= " CASCADE";

		return $this->execute($sql);
	}

	/**
	 * Adds a check constraint to a domain
	 * @param $domain The domain to which to add the check
	 * @param $definition The definition of the check
	 * @param $name (optional) The name to give the check, otherwise default name is assigned
	 * @return 0 success
	 */
	function addDomainCheckConstraint($domain, $definition, $name = '') {
		$this->fieldClean($domain);
		$this->fieldClean($name);

		$sql = "ALTER DOMAIN \"{$domain}\" ADD ";
		if ($name != '') $sql .= "CONSTRAINT \"{$name}\" ";
		$sql .= "CHECK ({$definition})";

		return $this->execute($sql);
	}
	
	/**
	 * Alters a domain
	 * @param $domain The domain to alter
	 * @param $domdefault The domain default
	 * @param $domnotnull True for NOT NULL, false otherwise
	 * @param $domowner The domain owner
	 * @return 0 success
	 * @return -1 transaction error
	 * @return -2 default error
	 * @return -3 not null error
	 * @return -4 owner error
	 */
	function alterDomain($domain, $domdefault, $domnotnull, $domowner) {
		$this->fieldClean($domain);
		$this->fieldClean($domowner);
		
		$status = $this->beginTransaction();
		if ($status != 0) {
			$this->rollbackTransaction();
			return -1;
		}
		
		// Default
		if ($domdefault == '')
			$sql = "ALTER DOMAIN \"{$domain}\" DROP DEFAULT";
		else
			$sql = "ALTER DOMAIN \"{$domain}\" SET DEFAULT {$domdefault}";
		
		$status = $this->execute($sql);
		if ($status != 0) {
			$this->rollbackTransaction();
			return -2;
		}
		
		// NOT NULL
		if ($domnotnull)
			$sql = "ALTER DOMAIN \"{$domain}\" SET NOT NULL";
		else
			$sql = "ALTER DOMAIN \"{$domain}\" DROP NOT NULL";

		$status = $this->execute($sql);
		if ($status != 0) {
			$this->rollbackTransaction();
			return -3;
		}
		
		// Owner
		$sql = "ALTER DOMAIN \"{$domain}\" OWNER TO \"{$domowner}\"";

		$status = $this->execute($sql);
		if ($status != 0) {
			$this->rollbackTransaction();
			return -4;
		}
		
		return $this->endTransaction();
	}	

	// User functions

	/**
	 * Renames a user
	 * @param $username The username of the user to rename
	 * @param $newname The new name of the user
	 * @return 0 success
	 */
	function renameUser($username, $newname){
		$this->fieldClean($username);
		$this->fieldClean($newname);

		$sql = "ALTER USER \"{$username}\" RENAME TO \"{$newname}\"";

		return $this->execute($sql);
	}

	/**
	 * Adjusts a user's info and renames the user
	 * @param $username The username of the user to modify
	 * @param $password A new password for the user
	 * @param $createdb boolean Whether or not the user can create databases
	 * @param $createuser boolean Whether or not the user can create other users
	 * @param $expiry string Format 'YYYY-MM-DD HH:MM:SS'.  '' means never expire.
	 * @param $newname The new name of the user
	 * @return 0 success
	 * @return -1 transaction error
	 * @return -2 set user attributes error
	 * @return -3 rename error
	 */
	function setRenameUser($username, $password, $createdb, $createuser, $expiry, $newname) {
		$status = $this->beginTransaction();
		if ($status != 0) return -1;

		$status = $this->setUser($username, $password, $createdb, $createuser, $expiry);
		if ($status != 0) {
			$this->rollbackTransaction();
			return -2;
		}

		if ($username != $newname){
			$status = $this->renameUser($username, $newname);
			if ($status != 0) {
				$this->rollbackTransaction();
				return -3;
			}
		}

		return $this->endTransaction();
	}

	// Function functions

	/**
	 * Updates (replaces) a function.
	 * @param $function_oid The OID of the function
	 * @param $funcname The name of the function to create
	 * @param $newname The new name for the function
	 * @param $args The array of argument types
	 * @param $returns The return type
	 * @param $definition The definition for the new function
	 * @param $language The language the function is written for
	 * @param $flags An array of optional flags
	 * @param $setof True if returns a set, false otherwise
	 * @param $comment The comment on the function	 
	 * @return 0 success
	 * @return -1 transaction error
	 * @return -3 create function error
	 * @return -4 comment error
	 * @return -5 rename function error
	 */
	function setFunction($function_oid, $funcname, $newname, $args, $returns, $definition, $language, $flags, $setof, $comment) {
		// Begin a transaction
		$status = $this->beginTransaction();
		if ($status != 0) {
			$this->rollbackTransaction();
			return -1;
		}

		// Replace the existing function
		$status = $this->createFunction($funcname, $args, $returns, $definition, $language, $flags, $setof, true);
		if ($status != 0) {
			$this->rollbackTransaction();
			return -3;
		}

		// Comment on the function
		$this->fieldClean($funcname);
		$this->clean($comment);
		$status = $this->setComment('FUNCTION', "\"{$funcname}\"({$args})", null, $comment);
		if ($status != 0) {
			$this->rollbackTransaction();
			return -4;
		}

		// Rename the function, if necessary
		$this->fieldClean($newname);
		if ($funcname != $newname) {
			$sql = "ALTER FUNCTION \"{$funcname}\"({$args}) RENAME TO \"{$newname}\"";
			$status = $this->execute($sql);
			if ($status != 0) {
				$this->rollbackTransaction();
				return -5;
			}
		}
		
		return $this->endTransaction();
	}
	
	// Capabilities
	function hasGrantOption() { return true; }
	function hasDomainConstraints() { return true; }
	function hasUserRename() { return true; }
	function hasRecluster() { return true; }
	
}

?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="es">
	<head>
            <title>e-REdING. Biblioteca de la Escuela Superior de Ingenieros de Sevilla.</title>

                <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta name="description" content="Buscador de proyectos ETSI" />
<meta name="author" content="Daniel Callejo"/>
<meta name="author" content="Federico L&oacute;pez"/>
<meta name="author" content="Juli&aacute;n P&eacute;rez"/>
<meta name="author" content="Jos&eacute; Mar&iacute;a Vidal Vidal"/>
<base href="/bibing/proyectos/" /><link rel="shortcut icon" href="./favicon.ico" />
<link rel="stylesheet" href="./publico/css/estructura.css" type="text/css" />
<link rel="stylesheet" href="./publico/css/bootstrap.css" type="text/css" media="screen"/>
<link rel="stylesheet" href="./publico/css/enlaces-capas.css" type="text/css"  />
<link rel="stylesheet" href="./publico/css/pestanas.css" type="text/css"  /> 
<link rel="stylesheet" href="./publico/css/formularios.css" type="text/css" />
<link rel="stylesheet" href="./publico/css/lightbox.css" type="text/css"  />
<link rel="stylesheet" href="./publico/css/autocompleter.css" type="text/css"  />
<link rel="stylesheet" href="./publico/css/resultados.css" type="text/css"  />
<link rel="stylesheet" href="./publico/css/milista.css" type="text/css"  />
<link rel="stylesheet" href="./publico/css/explorador.css" type="text/css"  />
<link rel="stylesheet" href="./publico/css/ultimos.css" type="text/css"  />
<link rel="stylesheet" href="./publico/css/contactar.css" type="text/css"  />
<!-- <link rel="stylesheet" href="./css/print.css" type="text/css" media="print" /> -->
<script src="./publico/javascript/jquery-1.9.1.min.js" type="text/javascript"></script>
<script src="./publico/javascript/bootstrap.js" type="text/javascript"></script>

<script src="./publico/javascript/mootools-1.2.4-core.js" type="text/javascript"></script>
<script src="./publico/javascript/mootools-1-1.2.4.2-more.js" type="text/javascript"></script>
<script src="./publico/javascript/targetbl.js" type="text/javascript"></script>
<script src="./publico/javascript/mensajes.js" type="text/javascript"></script>
<script src="./publico/javascript/form.js" type="text/javascript"></script>
<script src="./publico/javascript/autocompleter/Observer.js" type="text/javascript"></script>
<script src="./publico/javascript/autocompleter/Autocompleter.js" type="text/javascript"></script>
<script src="./publico/javascript/autocompleter/Autocompleter.Request.js" type="text/javascript"></script>
<script src="./publico/javascript/domready.js" type="text/javascript"></script>

<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-8T1TSNC1QY"></script>
<script>
  window.dataLayer = window.dataLayer || [];
  function gtag(){dataLayer.push(arguments);}
  gtag('js', new Date());

  gtag('config', 'G-8T1TSNC1QY');
</script>


<script type="text/javascript">
function seleccionar_todo(){
   for (i=0;i<document.formulario_marcados.elements.length;i++)
      if(document.formulario_marcados.elements[i].type == "checkbox")
         document.formulario_marcados.elements[i].checked=1
}
function deseleccionar_todo(){
   for (i=0;i<document.formulario_marcados.elements.length;i++)
      if(document.formulario_marcados.elements[i].type == "checkbox")
         document.formulario_marcados.elements[i].checked=0
} 
</script>
	</head>
    <body style="min-width: 960px; background-color: #e2e2e2; height: 100%">	
		<a name="arriba"></a>
<div>
<div id="header">
    <table id="Tabla_01" height="105" border="0" cellpadding="0" cellspacing="0">
    <tr>
        <td>
            <img src="./publico/imagenes/cabecera/banner_new2_01.jpg" width="3" height="105" alt="">
        </td>
        <td>
            <img src="./publico/imagenes/cabecera/banner_new2_02.jpg" width="100" height="105" alt="">
        </td>
        <td width="100%" align="right"  style="min-width: 613px; background-repeat: no-repeat; background-position: top right; font-size: medium; font-weight: bold; color: white;">
            <table width="100%" height="105" border="0">
                <tr>
                    <td style=" vertical-align: top; width: 547px">
                        <!-- <a style="text-decoration: none" href="./"><img src="./publico/imagenes/cabecera/banner_new2_03.jpg"alt=""></a> -->
                        <a style="text-decoration: none" href="/bibing/proyectos/"><img src="./publico/imagenes/cabecera/banner_new2_03.jpg"alt=""></a>
                     </td>
                     <td  background="./publico/imagenes/cabecera/banner_new2_04.jpg" style="background-repeat: no-repeat; background-color: #c6d4e8;"><br><br><br>
                         &nbsp;
                        </td>
                    </tr>
             </table>
        </td>
    </tr>
    <tr style="border-top: 1px solid #ffffff;">
        <td colspan="3" id="menu_sup" style="font-size: small; text-align: right; background-color: #9c1f2f; vertical-align: bottom">
             
					<a href="/bibing/proyectos/" class="enlace " style=" color: #ffffff">Inicio&nbsp;&nbsp;|</a>
					<a href="/bibing/proyectos/acerca/" style=" color: #ffffff" class="enlace ">&nbsp;&nbsp;Acerca de&nbsp;&nbsp;|</a>
					
					<a href="/bibing/proyectos/contactar/" style=" color: #ffffff" class="enlace ">&nbsp;&nbsp;Contactar&nbsp;&nbsp;</a>
			 <!--       <a href="/bibing/proyectos/ayuda/" style=" color: #ffffff" class="enlace  ">&nbsp;&nbsp;Ayuda&nbsp;&nbsp;|</a> -->
					<!-- <form id="idioma" class=""  method="post" action="">
					<div class="inline" style="color: white">
					<input type="submit" class="tipo_letra " style=" color: #ffffff"name="idioma" value="Castellanossss" />&nbsp;&nbsp;
					</div>	
					</form> -->
			        </td>

    </tr>
    </table>
</div>
<br><br>
<div class="colmask rightmenu">
<div class="panel panel-default" style="margin:20px">
            <div class="panel-heading"><h4>DISEÑO DE HERRAMIENTAS PARA PORTAL DE GESTIÓN DE CENTROS DOCENTES</h4><h5 style="color:grey"><span class="glyphicon glyphicon-user""></span> : <b>LEIVA JIMÉNEZ, ANDRÉS</b><br><span class="glyphicon glyphicon-book""></span>  :<b> Ingenier&iacute;a Telecomunicación</b></h5></div><div class="panel-body"><div class="contenido_proyecto"><div class="titulo2_explorador">Contenido del proyecto:</div><div class="ruta"><a href="use/abreproy/11109">Directorio ra&iacute;z</a>&nbsp;&nbsp;>&nbsp;&nbsp;<a href="use/abreproy/11109/direccion/proyecto%252F">proyecto</a>&nbsp;&nbsp;>&nbsp;&nbsp;<a href="use/abreproy/11109/direccion/proyecto%252Fproyecto%252F">proyecto</a>&nbsp;&nbsp;>&nbsp;&nbsp;<a href="use/abreproy/11109/direccion/proyecto%252Fproyecto%252Fper_doc%252F">per_doc</a>&nbsp;&nbsp;>&nbsp;&nbsp;<a href="use/abreproy/11109/direccion/proyecto%252Fproyecto%252Fper_doc%252Fadministrador%252F">administrador</a>&nbsp;&nbsp;>&nbsp;&nbsp;<a href="use/abreproy/11109/direccion/proyecto%252Fproyecto%252Fper_doc%252Fadministrador%252FphpPgAdmin%252F">phpPgAdmin</a>&nbsp;&nbsp;>&nbsp;&nbsp;<a href="use/abreproy/11109/direccion/proyecto%252Fproyecto%252Fper_doc%252Fadministrador%252FphpPgAdmin%252Fclasses%252F">classes</a>&nbsp;&nbsp;>&nbsp;&nbsp;<a href="use/abreproy/11109/direccion/proyecto%252Fproyecto%252Fper_doc%252Fadministrador%252FphpPgAdmin%252Fclasses%252Fdatabase%252F">database</a>&nbsp;&nbsp;>&nbsp;&nbsp;<a href="use/abreproy/11109/direccion/proyecto%252Fproyecto%252Fper_doc%252Fadministrador%252FphpPgAdmin%252Fclasses%252Fdatabase%252FPostgres74.php%252F">Postgres74.php</a></div><div class="listing"></div></div></div></div>
</div>
</div>

        
	</body>
 
 
<!-- Inicio Google Analytics -->
<!--
	<script type="text/javascript">
		var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
		document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
	</script>
	
	<script type="text/javascript">
		try {
		var pageTracker = _gat._getTracker("UA-7789620-1");
		pageTracker._trackPageview();
	} 
		catch(err) {}
	</script>
-->
<!-- Fin Google Analytics -->

</html>