docman/dbi/dbi_oracle.php

<?
/*
 * $Id: dbi_oracle.php,v 1.7 2001/04/03 14:48:31 cfsl Exp $
 *
 * This class is based on the Perl DBI.
 * New functionality should be added accordingly.
 * Please refer to the DBI documentation (perldoc DBI).
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

class DBI {
  var $session;
  var $mode = OCI_COMMIT_ON_SUCCESS;
  var $debug = 1;
  var $Driver_name = "oracle";

  function DBI ($db, $user, $password, $debug = 0) {
    $this->session = OCIPLogon($user, $password, $db);
    $this->debug = $debug;
  }

  function prepare ($query) {
    return new STH($this, $this->session, $query, $this->mode, $this->debug);
  }

  function autocommit ($value) {
    if ($value) {
      $this->mode = OCI_COMMIT_ON_SUCCESS;
    } else {
      $this->mode = OCI_DEFAULT;
    }
  }

  function commit () {
    return OCICommit($this->session);
  }

  function rollback () {
    return OCIRollback($this->session);
  }

  function quote ($str) {
    if (get_magic_quotes_gpc()) {
      $str = stripslashes($str);
    }
    return "'".str_replace ("'", "''", $str)."'";
  }

  function insert_id ($sequence) {
    $sth = new STH($this, $this->session, "SELECT $sequence.CURRVAL FROM DUAL", $this->mode, $this->debug);
    $sth->execute();
    list($res) = $sth->fetchrow_array();
    return $res;
  }
}

class STH {
  var $query;
  var $statement;
  var $mode;
  var $debug;
  var $dbi;
  var $placeholders;

  function STH (&$dbi, &$session, $query, $mode, $debug) {
    $this->dbi = &$dbi;
    $this->query = $query;
    $this->mode = $mode;
    $this->debug = $debug;
    $this->session = &$session;

    // Scan for placeholders
    
    $this->placeholders = array();
    $quote = '';
    for ($i = 0; $i < strlen($query); ++$i) {
      if ($query[$i] == "'") {
        if (empty($quote)) {
          $quote = "'";
        } elseif ($quote == "'") {
          $quote = '';
        }
      } elseif ($query[$i] == '"') {
        if (empty($quote)) {
          $quote = '"';
        } elseif ($quote == '"') {
          $quote = '';
        }
      } elseif ($query[$i] == '?') {
        if (empty($quote)) {
          array_push($this->placeholders, $i);
        }
      }
    }
  }

  function execute () {
    global $SERVER_NAME;
    $numargs = func_num_args();
    $arg_list = func_get_args();

    $parms = array();

    for ($i = 0; $i < $numargs; $i++) {
      if (is_array($arg_list[$i])) {
        while (list($dummy,$parm) = each ($arg_list[$i])) {
          array_push($parms, $parm);
        }
      } else {
        array_push($parms,$arg_list[$i]);
      }
    }

    if (sizeof($parms) != sizeof($this->placeholders)) {
      print "<br><b>SQL Query ($this->query) contains ".sizeof($this->placeholders)." placeholders but ".sizeof($parms)." was passed</b><br>";
      exit;
    }

    if (sizeof($parms) > 0) {
      $query = substr($this->query, 0, $this->placeholders[0]);
      for ($i = 0; $i < sizeof($parms) - 1; ++$i) {
        $query .= $this->dbi->quote($parms[$i]) . substr($this->query, $this->placeholders[$i] + 1, $this->placeholders[$i + 1] - $this->placeholders[$i] - 1);
      }
      $query .= $this->dbi->quote($parms[$i]) . substr($this->query, $this->placeholders[$i] + 1);
    } else {
      $query = $this->query;
    }

    if ($this->debug) { // Log the query
      $fd = fopen("/tmp/dbi.$SERVER_NAME.log", "a") or die ("Couldn't append to file");
      fputs($fd, date("M d H:i:s",time()).": ".$query."\n==================\n");
      fclose($fd);
    }

    $this->statement = OCIParse($this->session, $query);
    if (!$this->statement) {
      print "<br><b>Could not parse SQL query: \"$query\"</b><br>";
      exit;
    }
    if (!OCIExecute($this->statement, $this->mode)) {
      print "<br><b>Could not execute SQL query: \"".$query."\"</b><br>";
      exit;
    }
  }

  function fetchrow_array () {
    $res = array();
    OCIFetchInto($this->statement, $res);
    return $res;
  }

  function fetchrow_hash () {
    $res = array();
    OCIFetchInto($this->statement, $res, OCI_ASSOC);
    return $res;
  }

  function rows () {
    return OCIRowCount ($this->statement);
  }

  function finish () {
    OCIFreeStatement($this->statement);
  }
}
?>
1	dpavlin	1.1	<?
2			/*
3			* $Id: dbi_oracle.php,v 1.7 2001/04/03 14:48:31 cfsl Exp $
4			*
5			* This class is based on the Perl DBI.
6			* New functionality should be added accordingly.
7			* Please refer to the DBI documentation (perldoc DBI).
8			*
9			* This program is free software; you can redistribute it and/or modify
10			* it under the terms of the GNU General Public License as published by
11			* the Free Software Foundation; either version 2 of the License, or
12			* (at your option) any later version.
13			*
14			* This program is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17			* GNU General Public License for more details.
18			*
19			* You should have received a copy of the GNU General Public License
20			* along with this program; if not, write to the Free Software
21			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22			*/
23
24			class DBI {
25			var $session;
26			var $mode = OCI_COMMIT_ON_SUCCESS;
27			var $debug = 1;
28			var $Driver_name = "oracle";
29
30			function DBI ($db, $user, $password, $debug = 0) {
31			$this->session = OCIPLogon($user, $password, $db);
32			$this->debug = $debug;
33			}
34
35			function prepare ($query) {
36			return new STH($this, $this->session, $query, $this->mode, $this->debug);
37			}
38
39			function autocommit ($value) {
40			if ($value) {
41			$this->mode = OCI_COMMIT_ON_SUCCESS;
42			} else {
43			$this->mode = OCI_DEFAULT;
44			}
45			}
46
47			function commit () {
48			return OCICommit($this->session);
49			}
50
51			function rollback () {
52			return OCIRollback($this->session);
53			}
54
55			function quote ($str) {
56			if (get_magic_quotes_gpc()) {
57			$str = stripslashes($str);
58			}
59			return "'".str_replace ("'", "''", $str)."'";
60			}
61
62			function insert_id ($sequence) {
63			$sth = new STH($this, $this->session, "SELECT $sequence.CURRVAL FROM DUAL", $this->mode, $this->debug);
64			$sth->execute();
65			list($res) = $sth->fetchrow_array();
66			return $res;
67			}
68			}
69
70			class STH {
71			var $query;
72			var $statement;
73			var $mode;
74			var $debug;
75			var $dbi;
76			var $placeholders;
77
78			function STH (&$dbi, &$session, $query, $mode, $debug) {
79			$this->dbi = &$dbi;
80			$this->query = $query;
81			$this->mode = $mode;
82			$this->debug = $debug;
83			$this->session = &$session;
84
85			// Scan for placeholders
86
87			$this->placeholders = array();
88			$quote = '';
89			for ($i = 0; $i < strlen($query); ++$i) {
90			if ($query[$i] == "'") {
91			if (empty($quote)) {
92			$quote = "'";
93			} elseif ($quote == "'") {
94			$quote = '';
95			}
96			} elseif ($query[$i] == '"') {
97			if (empty($quote)) {
98			$quote = '"';
99			} elseif ($quote == '"') {
100			$quote = '';
101			}
102			} elseif ($query[$i] == '?') {
103			if (empty($quote)) {
104			array_push($this->placeholders, $i);
105			}
106			}
107			}
108			}
109
110			function execute () {
111			global $SERVER_NAME;
112			$numargs = func_num_args();
113			$arg_list = func_get_args();
114
115			$parms = array();
116
117			for ($i = 0; $i < $numargs; $i++) {
118			if (is_array($arg_list[$i])) {
119			while (list($dummy,$parm) = each ($arg_list[$i])) {
120			array_push($parms, $parm);
121			}
122			} else {
123			array_push($parms,$arg_list[$i]);
124			}
125			}
126
127			if (sizeof($parms) != sizeof($this->placeholders)) {
128			print "<br><b>SQL Query ($this->query) contains ".sizeof($this->placeholders)." placeholders but ".sizeof($parms)." was passed</b><br>";
129			exit;
130			}
131
132			if (sizeof($parms) > 0) {
133			$query = substr($this->query, 0, $this->placeholders[0]);
134			for ($i = 0; $i < sizeof($parms) - 1; ++$i) {
135			$query .= $this->dbi->quote($parms[$i]) . substr($this->query, $this->placeholders[$i] + 1, $this->placeholders[$i + 1] - $this->placeholders[$i] - 1);
136			}
137			$query .= $this->dbi->quote($parms[$i]) . substr($this->query, $this->placeholders[$i] + 1);
138			} else {
139			$query = $this->query;
140			}
141
142			if ($this->debug) { // Log the query
143			$fd = fopen("/tmp/dbi.$SERVER_NAME.log", "a") or die ("Couldn't append to file");
144			fputs($fd, date("M d H:i:s",time()).": ".$query."\n==================\n");
145			fclose($fd);
146			}
147
148			$this->statement = OCIParse($this->session, $query);
149			if (!$this->statement) {
150			print "<br><b>Could not parse SQL query: \"$query\"</b><br>";
151			exit;
152			}
153			if (!OCIExecute($this->statement, $this->mode)) {
154			print "<br><b>Could not execute SQL query: \"".$query."\"</b><br>";
155			exit;
156			}
157			}
158
159			function fetchrow_array () {
160			$res = array();
161			OCIFetchInto($this->statement, $res);
162			return $res;
163			}
164
165			function fetchrow_hash () {
166			$res = array();
167			OCIFetchInto($this->statement, $res, OCI_ASSOC);
168			return $res;
169			}
170
171			function rows () {
172			return OCIRowCount ($this->statement);
173			}
174
175			function finish () {
176			OCIFreeStatement($this->statement);
177			}
178			}
179			?>