From d582054c77b22daeb08d2bff17794b9a69a20dd4 Mon Sep 17 00:00:00 2001
From: mensonge
Date: Wed, 12 Dec 2007 16:29:16 +0000
Subject: import of scuttle 0.7.2
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@1 b3834d28-1941-0410-a4f8-b48e95affb8f
---
includes/db/mssql-odbc.php | 576 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 576 insertions(+)
create mode 100644 includes/db/mssql-odbc.php
(limited to 'includes/db/mssql-odbc.php')
diff --git a/includes/db/mssql-odbc.php b/includes/db/mssql-odbc.php
new file mode 100644
index 0000000..a2d3d02
--- /dev/null
+++ b/includes/db/mssql-odbc.php
@@ -0,0 +1,576 @@
+persistency = $persistency;
+ $this->user = $sqluser;
+ $this->server = $sqlserver . (($port) ? ':' . $port : '');
+ $this->dbname = $database;
+
+ $this->db_connect_id = ($this->persistency) ? @odbc_pconnect($this->server, $this->user, $sqlpassword) : @odbc_connect($this->server, $this->user, $sqlpassword);
+
+ return ($this->db_connect_id) ? $this->db_connect_id : $this->sql_error('');
+ }
+
+ //
+ // Other base methods
+ //
+ function sql_close()
+ {
+ if (!$this->db_connect_id)
+ {
+ return false;
+ }
+
+ if ($this->transaction)
+ {
+ @odbc_commit($this->db_connect_id);
+ }
+
+ if (sizeof($this->result_rowset))
+ {
+ unset($this->result_rowset);
+ unset($this->field_names);
+ unset($this->field_types);
+ unset($this->num_rows);
+ unset($this->current_row);
+ }
+
+ if (sizeof($this->open_queries))
+ {
+ foreach ($this->open_queries as $i_query_id => $query_id)
+ {
+ @odbc_free_result($query_id);
+ }
+ }
+
+ return @odbc_close($this->db_connect_id);
+ }
+
+ function sql_return_on_error($fail = false)
+ {
+ $this->return_on_error = $fail;
+ }
+
+ function sql_num_queries()
+ {
+ return $this->num_queries;
+ }
+
+ function sql_transaction($status = 'begin')
+ {
+ switch ($status)
+ {
+ case 'begin':
+ $result = @odbc_autocommit($this->db_connect_id, false);
+ $this->transaction = true;
+ break;
+
+ case 'commit':
+ $result = @odbc_commit($this->db_connect_id);
+ @odbc_autocommit($this->db_connect_id, true);
+ $this->transaction = false;
+
+ if (!$result)
+ {
+ @odbc_rollback($this->db_connect_id);
+ @odbc_autocommit($this->db_connect_id, true);
+ }
+ break;
+
+ case 'rollback':
+ $result = @odbc_rollback($this->db_connect_id);
+ @odbc_autocommit($this->db_connect_id, true);
+ $this->transaction = false;
+ break;
+
+ default:
+ $result = true;
+ }
+
+ return $result;
+ }
+
+ // Base query method
+ function sql_query($query = '', $cache_ttl = 0)
+ {
+ if ($query != '')
+ {
+ global $cache;
+
+ // EXPLAIN only in extra debug mode
+ if (defined('DEBUG_EXTRA'))
+ {
+ $this->sql_report('start', $query);
+ }
+
+ $this->query_result = ($cache_ttl && method_exists($cache, 'sql_load')) ? $cache->sql_load($query) : false;
+
+ if (!$this->query_result)
+ {
+ $this->num_queries++;
+
+ if (($this->query_result = $this->_odbc_execute_query($query)) === false)
+ {
+ $this->sql_error($query);
+ }
+
+ if (defined('DEBUG_EXTRA'))
+ {
+ $this->sql_report('stop', $query);
+ }
+
+ if ($cache_ttl && method_exists($cache, 'sql_save'))
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ $cache->sql_save($query, $this->query_result, $cache_ttl);
+ // odbc_free_result called within sql_save()
+ }
+ else if (strpos($query, 'SELECT') !== false && $this->query_result)
+ {
+ $this->open_queries[(int) $this->query_result] = $this->query_result;
+ }
+ }
+ else if (defined('DEBUG_EXTRA'))
+ {
+ $this->sql_report('fromcache', $query);
+ }
+ }
+ else
+ {
+ return false;
+ }
+
+ return ($this->query_result) ? $this->query_result : false;
+ }
+
+ function _odbc_execute_query($query)
+ {
+ $result = false;
+
+ if (eregi("^SELECT ", $query))
+ {
+ $result = @odbc_exec($this->db_connect_id, $query);
+
+ if ($result)
+ {
+ if (empty($this->field_names[$result]))
+ {
+ for ($i = 1, $j = @odbc_num_fields($result) + 1; $i < $j; $i++)
+ {
+ $this->field_names[$result][] = @odbc_field_name($result, $i);
+ $this->field_types[$result][] = @odbc_field_type($result, $i);
+ }
+ }
+
+ $this->current_row[$result] = 0;
+ $this->result_rowset[$result] = array();
+
+ $row_outer = (isset($row_offset)) ? $row_offset + 1 : 1;
+ $row_outer_max = (isset($num_rows)) ? $row_offset + $num_rows + 1 : 1E9;
+ $row_inner = 0;
+
+ while (@odbc_fetch_row($result, $row_outer) && $row_outer < $row_outer_max)
+ {
+ for ($i = 0, $j = sizeof($this->field_names[$result]); $i < $j; $i++)
+ {
+ $this->result_rowset[$result][$row_inner][$this->field_names[$result][$i]] = stripslashes(@odbc_result($result, $i + 1));
+ }
+
+ $row_outer++;
+ $row_inner++;
+ }
+
+ $this->num_rows[$result] = sizeof($this->result_rowset[$result]);
+ }
+ }
+ else if (eregi("^INSERT ", $query))
+ {
+ $result = @odbc_exec($this->db_connect_id, $query);
+
+ if ($result)
+ {
+ $result_id = @odbc_exec($this->db_connect_id, 'SELECT @@IDENTITY');
+ if ($result_id)
+ {
+ if (@odbc_fetch_row($result_id))
+ {
+ $this->next_id[$this->db_connect_id] = @odbc_result($result_id, 1);
+ $this->affected_rows[$this->db_connect_id] = @odbc_num_rows($result);
+ }
+ }
+ }
+ }
+ else
+ {
+ $result = @odbc_exec($this->db_connect_id, $query);
+
+ if ($result)
+ {
+ $this->affected_rows[$this->db_connect_id] = @odbc_num_rows($result);
+ }
+ }
+
+ return $result;
+ }
+
+ function sql_query_limit($query, $total, $offset = 0, $cache_ttl = 0)
+ {
+ if ($query != '')
+ {
+ $this->query_result = false;
+
+ // if $total is set to 0 we do not want to limit the number of rows
+ if ($total == 0)
+ {
+ $total = -1;
+ }
+
+ $row_offset = ($total) ? $offset : '';
+ $num_rows = ($total) ? $total : $offset;
+
+ $query = 'SELECT TOP ' . ($row_offset + $num_rows) . ' ' . substr($query, 6);
+
+ return $this->sql_query($query, $cache_ttl);
+ }
+ else
+ {
+ return false;
+ }
+ }
+
+ // Idea for this from Ikonboard
+ function sql_build_array($query, $assoc_ary = false)
+ {
+ if (!is_array($assoc_ary))
+ {
+ return false;
+ }
+
+ $fields = array();
+ $values = array();
+ if ($query == 'INSERT')
+ {
+ foreach ($assoc_ary as $key => $var)
+ {
+ $fields[] = $key;
+
+ if (is_null($var))
+ {
+ $values[] = 'NULL';
+ }
+ elseif (is_string($var))
+ {
+ $values[] = "'" . $this->sql_escape($var) . "'";
+ }
+ else
+ {
+ $values[] = (is_bool($var)) ? intval($var) : $var;
+ }
+ }
+
+ $query = ' (' . implode(', ', $fields) . ') VALUES (' . implode(', ', $values) . ')';
+ }
+ else if ($query == 'UPDATE' || $query == 'SELECT')
+ {
+ $values = array();
+ foreach ($assoc_ary as $key => $var)
+ {
+ if (is_null($var))
+ {
+ $values[] = "$key = NULL";
+ }
+ elseif (is_string($var))
+ {
+ $values[] = "$key = '" . $this->sql_escape($var) . "'";
+ }
+ else
+ {
+ $values[] = (is_bool($var)) ? "$key = " . intval($var) : "$key = $var";
+ }
+ }
+ $query = implode(($query == 'UPDATE') ? ', ' : ' AND ', $values);
+ }
+
+ return $query;
+ }
+
+ // Other query methods
+ //
+ // NOTE :: Want to remove _ALL_ reliance on sql_numrows from core code ...
+ // don't want this here by a middle Milestone
+ function sql_numrows($query_id = false)
+ {
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ return ($query_id) ? @$this->num_rows($query_id) : false;
+ }
+
+ function sql_affectedrows()
+ {
+ return ($this->affected_rows[$this->db_connect_id]) ? $this->affected_rows[$this->db_connect_id] : false;
+ }
+
+ function sql_fetchrow($query_id = false)
+ {
+ global $cache;
+
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if (isset($cache->sql_rowset[$query_id]))
+ {
+ return $cache->sql_fetchrow($query_id);
+ }
+
+ return ($this->num_rows[$query_id] && $this->current_row[$query_id] < $this->num_rows[$query_id]) ? $this->result_rowset[$query_id][$this->current_row[$query_id]++] : false;
+ }
+
+ function sql_fetchrowset($query_id = false)
+ {
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ return ($this->num_rows[$query_id]) ? $this->result_rowset[$query_id] : false;
+ }
+
+ function sql_fetchfield($field, $rownum = -1, $query_id = false)
+ {
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if ($query_id)
+ {
+ if ($rownum < $this->num_rows[$query_id])
+ {
+ $getrow = ($rownum == -1) ? $this->current_row[$query_id] - 1 : $rownum;
+
+ return $this->result_rowset[$query_id][$getrow][$this->field_names[$query_id][$field]];
+ }
+ }
+
+ return false;
+ }
+
+ function sql_rowseek($rownum, $query_id = false)
+ {
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if (isset($this->current_row[$query_id]))
+ {
+ $this->current_row[$query_id] = $rownum;
+ return true;
+ }
+
+ return false;
+ }
+
+ function sql_nextid()
+ {
+ return ($this->next_id[$this->db_connect_id]) ? $this->next_id[$this->db_connect_id] : false;
+ }
+
+ function sql_freeresult($query_id = false)
+ {
+ if (!$query_id)
+ {
+ $query_id = $this->query_result;
+ }
+
+ if (isset($this->open_queries[(int) $query_id]))
+ {
+ unset($this->open_queries[(int) $query_id]);
+ unset($this->num_rows[$query_id]);
+ unset($this->current_row[$query_id]);
+ unset($this->result_rowset[$query_id]);
+ unset($this->field_names[$query_id]);
+ unset($this->field_types[$query_id]);
+
+ return @odbc_free_result($query_id);
+ }
+
+ return false;
+ }
+
+ function sql_escape($msg)
+ {
+ return str_replace("'", "''", str_replace('\\', '\\\\', $msg));
+ }
+
+ function sql_error($sql = '')
+ {
+ if (!$this->return_on_error)
+ {
+ $this_page = (isset($_SERVER['PHP_SELF']) && !empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+ $this_page .= '&' . ((isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : (isset($_ENV['QUERY_STRING']) ? $_ENV['QUERY_STRING'] : ''));
+
+ $message = 'SQL ERROR [ ' . SQL_LAYER . ' ]
' . @odbc_errormsg() . '
CALLING PAGE
' . htmlspecialchars($this_page) . (($sql != '') ? '
SQL
' . $sql : '') . '
';
+
+ if ($this->transaction)
+ {
+ $this->sql_transaction('rollback');
+ }
+
+ trigger_error($message, E_USER_ERROR);
+ }
+
+ $result = array(
+ 'message' => @odbc_errormsg(),
+ 'code' => @odbc_error()
+ );
+
+ return $result;
+ }
+
+ function sql_report($mode, $query = '')
+ {
+ if (empty($_GET['explain']))
+ {
+ return;
+ }
+
+ global $cache, $starttime, $phpbb_root_path;
+ static $curtime, $query_hold, $html_hold;
+ static $sql_report = '';
+ static $cache_num_queries = 0;
+
+ if (!$query && !empty($query_hold))
+ {
+ $query = $query_hold;
+ }
+
+ switch ($mode)
+ {
+ case 'display':
+ if (!empty($cache))
+ {
+ $cache->unload();
+ }
+ $this->sql_close();
+
+ $mtime = explode(' ', microtime());
+ $totaltime = $mtime[0] + $mtime[1] - $starttime;
+
+ echo '
' . $msg_title . '';
+ echo '![phpBB Logo phpBB Logo](' . $phpbb_root_path . 'adm/images/header_left.jpg) | SQL Report |
Page generated in ' . round($totaltime, 4) . " seconds with {$this->num_queries} queries" . (($cache_num_queries) ? " + $cache_num_queries " . (($cache_num_queries == 1) ? 'query' : 'queries') . ' returning data from cache' : '') . ' |
Time spent on MySQL queries: ' . round($this->sql_time, 5) . 's | Time spent on PHP: ' . round($totaltime - $this->sql_time, 5) . 's |
';
+ echo $sql_report;
+ echo ' |
';
+ exit;
+ break;
+
+ case 'start':
+ $query_hold = $query;
+ $html_hold = '';
+
+ $curtime = explode(' ', microtime());
+ $curtime = $curtime[0] + $curtime[1];
+ break;
+
+ case 'fromcache':
+ $endtime = explode(' ', microtime());
+ $endtime = $endtime[0] + $endtime[1];
+
+ $result = $this->_odbc_execute_query($query);
+
+ $splittime = explode(' ', microtime());
+ $splittime = $splittime[0] + $splittime[1];
+
+ $time_cache = $endtime - $curtime;
+ $time_db = $splittime - $endtime;
+ $color = ($time_db > $time_cache) ? 'green' : 'red';
+
+ $sql_report .= '
Query results obtained from the cache |
---|
|
';
+
+ $sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed [cache]: ' . sprintf('%.5f', ($time_cache)) . 's | Elapsed [db]: ' . sprintf('%.5f', $time_db) . 's
';
+
+ // Pad the start time to not interfere with page timing
+ $starttime += $time_db;
+
+ @odbc_free_result($result);
+ $cache_num_queries++;
+ break;
+
+ case 'stop':
+ $endtime = explode(' ', microtime());
+ $endtime = $endtime[0] + $endtime[1];
+
+ $sql_report .= '
Query #' . $this->num_queries . ' |
---|
|
' . $html_hold . '';
+
+ if ($this->query_result)
+ {
+ if (preg_match('/^(UPDATE|DELETE|REPLACE)/', $query))
+ {
+ $sql_report .= "Affected rows: " . $this->sql_affectedrows($this->query_result) . ' | ';
+ }
+ $sql_report .= 'Before: ' . sprintf('%.5f', $curtime - $starttime) . 's | After: ' . sprintf('%.5f', $endtime - $starttime) . 's | Elapsed: ' . sprintf('%.5f', $endtime - $curtime) . 's';
+ }
+ else
+ {
+ $error = $this->sql_error();
+ $sql_report .= 'FAILED - ' . SQL_LAYER . ' Error ' . $error['code'] . ': ' . htmlspecialchars($error['message']);
+ }
+
+ $sql_report .= '
';
+
+ $this->sql_time += $endtime - $curtime;
+ break;
+ }
+ }
+
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
--
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