From 29422fa55379aa61a61019b832c83dab6d450264 Mon Sep 17 00:00:00 2001 From: cweiske Date: Sat, 3 Oct 2009 14:00:33 +0000 Subject: move files to new locations git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@386 b3834d28-1941-0410-a4f8-b48e95affb8f --- src/SemanticScuttle/db/sqlite.php | 387 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 387 insertions(+) create mode 100644 src/SemanticScuttle/db/sqlite.php (limited to 'src/SemanticScuttle/db/sqlite.php') diff --git a/src/SemanticScuttle/db/sqlite.php b/src/SemanticScuttle/db/sqlite.php new file mode 100644 index 0000000..1591396 --- /dev/null +++ b/src/SemanticScuttle/db/sqlite.php @@ -0,0 +1,387 @@ +persistency = $persistency; + $this->user = $sqluser; + $this->server = $sqlserver . (($port) ? ':' . $port : ''); + $this->dbname = $database; + + $this->db_connect_id = ($this->persistency) ? @sqlite_popen($this->server, 0, $error) : @sqlite_open($this->server, 0, $error); + + return ($this->db_connect_id) ? true : $error; + } + + // Other base methods + function sql_close() + { + if (!$this->db_connect_id) + { + return false; + } + + return @sqlite_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': + $this->transaction = true; + $result = @sqlite_query('BEGIN', $this->db_connect_id); + break; + + case 'commit': + $this->transaction = false; + $result = @sqlite_query('COMMIT', $this->db_connect_id); + break; + + case 'rollback': + $this->transaction = false; + $result = @sqlite_query('ROLLBACK', $this->db_connect_id); + break; + + default: + $result = true; + } + + return $result; + } + + // Base query method + function sql_query($query = '', $expire_time = 0) + { + if ($query != '') + { + global $cache; + + $query = preg_replace('#FROM \((.*?)\)(,|[\n\t ]+?WHERE) #s', 'FROM \1\2 ', $query); + + if (!$expire_time || !$cache->sql_load($query, $expire_time)) + { + if ($expire_time) + { + $cache_result = true; + } + + $this->query_result = false; + $this->num_queries++; + + if (!empty($_GET['explain'])) + { + global $starttime; + + $curtime = explode(' ', microtime()); + $curtime = $curtime[0] + $curtime[1] - $starttime; + } + + if (!($this->query_result = @sqlite_query($query, $this->db_connect_id))) + { + $this->sql_error($query); + } + + if (!empty($_GET['explain'])) + { + $endtime = explode(' ', microtime()); + $endtime = $endtime[0] + $endtime[1] - $starttime; + + $this->sql_report .= "
Query:\t" . htmlspecialchars(preg_replace('/[\s]*[\n\r\t]+[\n\r\s\t]*/', "\n\t", $query)) . "\n\n";
+
+					if ($this->query_result)
+					{
+						$this->sql_report .= "Time before:  $curtime\nTime after:   $endtime\nElapsed time: " . ($endtime - $curtime) . "\n
"; + } + else + { + $error = $this->sql_error(); + $this->sql_report .= 'FAILED - SQLite ' . $error['code'] . ': ' . htmlspecialchars($error['message']) . '

';
+					}
+
+					$this->sql_time += $endtime - $curtime;
+
+					if (preg_match('#^SELECT#', $query))
+					{
+						$html_table = FALSE;
+						if ($result = @sqlite_query("EXPLAIN $query", $this->db_connect_id))
+						{
+							while ($row = @sqlite_fetch_array($result, @sqlite_ASSOC))
+							{
+								if (!$html_table && sizeof($row))
+								{
+									$html_table = TRUE;
+									$this->sql_report .= "\n";
+									$this->sql_report .= "\n\n\n\n";
+								}
+								$this->sql_report .= "\n\n\n\n";
+							}
+						}
+
+						if ($html_table)
+						{
+							$this->sql_report .= '
" . implode("", array_keys($row)) . "
" . implode(" ", array_values($row)) . " 

';
+						}
+					}
+
+					$this->sql_report .= "
\n";
+				}
+
+				if (preg_match('#^SELECT#', $query))
+				{
+					$this->open_queries[] = $this->query_result;
+				}
+			}
+
+			if (!empty($cache_result))
+			{
+				$cache->sql_save($query, $this->query_result);
+			}
+		}
+		else
+		{
+			return false;
+		}
+
+		return ($this->query_result) ? $this->query_result : false;
+	}
+
+	function sql_query_limit($query, $total, $offset = 0, $expire_time = 0)
+	{
+		if ($query != '')
+		{
+			$this->query_result = false;
+
+			$query .= ' LIMIT ' . ((!empty($offset)) ? $total . ' OFFSET ' . $offset : $total);
+
+			return $this->sql_query($query, $expire_time);
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	// Idea for this from Ikonboard
+	function sql_build_array($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')
+		{
+			$values = array();
+			foreach ($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(', ', $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) ? @sqlite_num_rows($query_id) : false;
+	}
+
+	function sql_affectedrows()
+	{
+		return ($this->db_connect_id) ? @sqlite_changes($this->db_connect_id) : false;
+	}
+
+	function sql_fetchrow($query_id = 0)
+	{
+		global $cache;
+
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($cache->sql_exists($query_id))
+		{
+			return $cache->sql_fetchrow($query_id);
+		}
+
+		return ($query_id) ? @sqlite_fetch_array($query_id, @sqlite_ASSOC) : false;
+	}
+
+	function sql_fetchrowset($query_id = 0)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			unset($this->rowset[$query_id]);
+			unset($this->row[$query_id]);
+			while ($this->rowset[$query_id] = @sqlite_fetch_array($query_id, @sqlite_ASSOC))
+			{
+				$result[] = $this->rowset[$query_id];
+			}
+			return $result;
+		}
+		else
+		{
+			return false;
+		}
+	}
+
+	function sql_fetchfield($field, $rownum = -1, $query_id = 0)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		if ($query_id)
+		{
+			return ($rownum > -1) ? ((@sqlite_seek($query_id, $rownum)) ? @sqlite_column($query_id, $field) : false) : @sqlite_column($query_id, $field);
+		}
+	}
+
+	function sql_rowseek($rownum, $query_id = 0)
+	{
+		if (!$query_id)
+		{
+			$query_id = $this->query_result;
+		}
+
+		return ($query_id) ? @sqlite_seek($query_id, $rownum) : false;
+	}
+
+	function sql_nextid()
+	{
+		return ($this->db_connect_id) ? @sqlite_last_insert_rowid($this->db_connect_id) : false;
+	}
+
+	function sql_freeresult($query_id = false)
+	{
+		return true;
+	}
+
+	function sql_escape($msg)
+	{
+		return @sqlite_escape_string(stripslashes($msg));
+	}
+
+	function sql_error($sql = '')
+	{
+		if (!$this->return_on_error)
+		{
+			$this_page = (!empty($_SERVER['PHP_SELF'])) ? $_SERVER['PHP_SELF'] : $_ENV['PHP_SELF'];
+			$this_page .= '&' . ((!empty($_SERVER['QUERY_STRING'])) ? $_SERVER['QUERY_STRING'] : $_ENV['QUERY_STRING']);
+
+			$message = 'SQL ERROR [ ' . SQL_LAYER . ' ]

' . @sqlite_error_string(@sqlite_last_error($this->db_connect_id)) . '

CALLING PAGE

'  . htmlspecialchars($this_page) . (($sql != '') ? '

SQL

' . $sql : '') . '
';
+
+			if ($this->transaction)
+			{
+				$this->sql_transaction('rollback');
+			}
+			
+			trigger_error($message, E_USER_ERROR);
+		}
+
+		$result = array(
+			'message'	=> @sqlite_error_string(@sqlite_last_error($this->db_connect_id)),
+			'code'		=> @sqlite_last_error($this->db_connect_id)
+		);
+
+		return $result;
+	}
+
+} // class sql_db
+
+} // if ... define
+
+?>
\ No newline at end of file
-- 
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