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diff --git a/it_db.class b/it_db.class
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-<?php
-/*
-**	$Id$
-**
-**	ITools - the Internet Tools Library
-**
-**	Copyright (C) 1995-2003 by the ITools Authors.
-**	This program is free software; you can redistribute it and/or
-**	modify it under the terms of either the GNU General Public License
-**	or the GNU Lesser General Public License, as published by the Free
-**	Software Foundation. See http://www.gnu.org/licenses/ for details.
-**
-**	it_db.class - Generic Database class, currently using mysql.
-**
-**	This tries to be as efficient as possible by maintaining
-**	persistent database connections.
-*/
-
-
-/**
- * Functions to handle SQL databases
- * @see it_db_table, it_db_record
- */
-class it_db
-{
-	/* public */
-	var	$host;			/* Database host */
-	var	$host_update='';	/* Optional database host for updates */
-	var	$name;			/* Name of database */
-	var	$numtables;		/* Number of tables in databasee or 0 if not known */
-	var	$tablenames = array();	/* Array(0..$numtables) of table names */
-
-	/* private */
-	var	$link;			/* MySQL Link Identifier */
-	var	$username;		/* MySQL username (if $updatehost) */
-	var	$password;		/* MySQL password (if $updatehost) */
-
-/**
- * Constructor: connect to MySQL server and select database
- * @param $databasename name of the database to select or empty for default
- * @param $username username to connect with
- * @param $password password to connect with
- * @param $host Optional name of the host to connect to
- * @param $host_update Optional name of the host for updates (writes)
- */
-function it_db($databasename, $username, $password, $host='localhost', $host_update='')
-{
-	if (empty($databasename))
-		$databasename = strtr(ereg_replace('^www.', '', strtolower(ereg_replace(':.*$', '', getenv('HTTP_HOST')))), '.', '_');
-
-	if ($this->link = @mysql_connect($host, $username, $password, true))
-	{
-		if (mysql_select_db($databasename, $this->link))
-		{
-			$this->host = $host;
-			$this->name = $databasename;
-		}
-		else
-			it::fatal("Can't select database \"$databasename\" on host \"$host\".");
-	}
-	else
-		it::fatal("Can't connect to database server \"$host\" as user \"$username\".");
-
-	if ($host_update)
-	{
-		$this->host_update = $host_update;
-		$this->username = $username;
-		$this->password = $password;
-	}
-}
-
-
-/**
- * Perform an SQL query.
- * @see ::safe_sql_query, mysql_query
- * @param $sql SQL query
- * @return SQL handle or false in case of failure
- */
-function sql_query($sql)
-{
-	debug("it_db::sql_query($sql) on {$this->host}", 5);
-
-	/*
-	** If we have a special update host, and an update operation is to be
-	** performed, we switch to this host. And we stay forever and ever and ever...
-	*/
-	if ($this->host_update && eregi('^(UPDATE|INSERT|REPLACE|DELETE|ALTER) ', $sql))
-	{
-		/*debug('it_db::sql_query(): switching to update host "'.$this->host_update.'"', 3); */
-		if ($this->link = @mysql_connect($this->host_update, $this->username, $this->password, true))
-		{
-			if (mysql_select_db($this->name, $this->link))
-				$this->host = $this->host_update;
-			else
-				it::fatal('Error selecting update database "'.$this->name.'" on host "'.$this->host_update.'".');
-
-			$this->host_update='';
-		}
-		else
-			it::fatal('Error connecting to update database server "'.$this->host_update.'" as user "'.$this->username.'".');
-	}
-	
-	return mysql_query($sql, $this->link);
-}
-
-
-/**
- * Perform an SQL query. If the query fails, issue an error message
- * and terminate program execution. No matching rows does not mean failure.
- * @see ::sql_query, mysql_query
- * @param $sql SQL query
- * @return SQL handle
- */
-function safe_sql_query($sql)
-{
-	/* debug("it_db::safe_sql_query($sql)", 4); */
-	if ($result = $this->sql_query($sql))
-		return $result;
-	else
-	{
-		if ($this->errno() == 1062)	/* Duplicate entry */
-			return 0;
-
-		fail('SQL-Query db "'.$this->name.'" host "'.$this->host."\" failed: \"$sql\":<br>".$this->error().' ('.$this->errno().')');
-	}
-}
-
-
-/**
- * Free resources used by SQL handle
- * @see mysql_free_result
- * @param $handle SQL handle
- * @return 
- */
-function free($handle)
-{
-	return mysql_free_result($handle);
-}
-
-
-/**
- * Fetch a row as an array
- * @see mysql_fetch_array
- * @param $handle SQL handle
- * @return numeric & associative array with contents of table row
- */
-function fetch_array($handle)
-{
-	return mysql_fetch_array($handle);
-}
-
-
-/**
- * Fetch a row as an associative array
- * @see mysql_fetch_array
- * @param $handle SQL handle
- * @return associative array with contents of table row
- */
-function fetch_assoc($handle)
-{
-	return mysql_fetch_assoc($handle);
-}
-
-
-/**
- * Return number of rows of a query
- * @see mysql_num_rows
- * @param $handle SQL handle
- * @return number of rows the query returned
- */
-function num_rows($handle)
-{
-	return mysql_num_rows($handle);
-}
-
-
-/**
- * Return number of found rows of a limited query that had SQL_COUNT_FOUND_ROWS set
- * @return number of rows the query would have returned without LIMIT
- */
-function found_rows()
-{
-	list($count) = mysql_fetch_row($this->safe_sql_query('SELECT FOUND_ROWS()'));
-	return intval($count);
-}
-
-
-/* Internal: get information about tables */
-function _get_table_info()
-{
-	if ($this->numtables > 0) /* Already done! */
-		return;
-
-	if(($tables = mysql_list_tables($this->name,$this->link)) >= 0)
-	{
-		$this->numtables = mysql_numrows($tables);
-		for ($i=0; $i < $this->numtables; ++$i)
-		{
-			$name = mysql_tablename($tables, $i);
-			$this->tablenames[$i] = $name;
-		}
-	}
-	else it::fatal("mysql_list_tables($this->name,$this->link) failed.");
-}
-
-
-/**
- * Return a list of all table names of this database
- * @return array with tablenames of this Database
- */
-function table_names()
-{
-	$this->_get_table_info();
-	return $this->tablenames;
-}
-
-
-/**
- * Return number of tables in this database
- */
-function num_tables()
-{
-	$this->_get_table_info();
-	return $this->numtables;
-}
-
-
-/**
- * Return last error number
- * @see ::sql_query, ::safe_sql_query, mysql_errno
- * @return last mySQL error number
- */
-function errno()
-{
-	return mysql_errno($this->link);
-}
-
-
-/**
- * Return last error string
- * @see ::sql_query, ::safe_sql_query, mysql_error
- * @return last mySQL error message
- */
-function error()
-{
-	return mysql_error($this->link);
-}
-
-} /* End class it_db */
-?>