X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Fdb%2Flib-mysql3.php;h=e20b271d441016ce53c29f553404890a75f197cb;hp=d5586ba55215418c6ca54704b76d5e702e54f306;hb=cd7d344ea7007cfa20413acd3e03e50f0ab86d86;hpb=596c8ab32594401ca84abfbfe35513ddfff31bec

diff --git a/inc/db/lib-mysql3.php b/inc/db/lib-mysql3.php
index d5586ba552..e20b271d44 100644
--- a/inc/db/lib-mysql3.php
+++ b/inc/db/lib-mysql3.php
@@ -16,7 +16,7 @@
  * $Author::                                                          $ *
  * -------------------------------------------------------------------- *
  * Copyright (c) 2003 - 2009 by Roland Haeder                           *
- * Copyright (c) 2009 - 2012 by Mailer Developer Team                   *
+ * Copyright (c) 2009 - 2013 by Mailer Developer Team                   *
  * For more information visit: http://mxchange.org                      *
  *                                                                      *
  * This program is free software; you can redistribute it and/or modify *
@@ -66,7 +66,7 @@ function SQL_QUERY ($sqlString, $F, $L, $enableCodes = TRUE) {
 		}
 
 		// Remove \t, \n and \r from queries they may confuse some MySQL versions
-		$sqlStringModified = str_replace(array(chr(9), chr(10), chr(13)), array(' ', ' ', ' '), $sqlStringModified);
+		$sqlStringModified = str_replace(array(chr(9), PHP_EOL, chr(13)), array(' ', ' ', ' '), $sqlStringModified);
 
 		// Compile config entries out
 		$sqlStringModified = SQL_PREPARE_SQL_STRING($sqlStringModified, $enableCodes);
@@ -75,7 +75,10 @@ function SQL_QUERY ($sqlString, $F, $L, $enableCodes = TRUE) {
 		$GLOBALS[__FUNCTION__][$sqlString] = $sqlStringModified;
 		$GLOBALS['last_sql']               = $sqlStringModified;
 		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Stored cache: ' . $sqlStringModified);
-	}  else {
+	} elseif (!SQL_IS_LINK_UP()) {
+		// Link went down while using cached SQL
+		reportBug(__FUNCTION__, __LINE__, 'Link went down while using cached SQL: sqlString=' . $sqlString . ',F=' . basename($F) . ',L=' . $L . ',enableCodes=' . intval($enableCodes));
+	} else {
 		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Cache used: ' . $sqlString);
 
 		// Use cache (to save a lot function calls
@@ -118,7 +121,7 @@ function SQL_QUERY ($sqlString, $F, $L, $enableCodes = TRUE) {
 		} // END - if
 
 		// Append debug line
-		appendLineToFile(getCachePath() . 'mysql.log', basename($F) . '|LINE=' . $L . '|NUM=' . (is_resource($result) ? SQL_NUMROWS($result) : 'false') . '|AFFECTED=' . SQL_AFFECTEDROWS() . '|QUERYTIME:' . ($queryTime * 1000) . 'ms): ' . str_replace(array(chr(13), chr(10)), array('', ' '), $GLOBALS['last_sql']));
+		appendLineToFile(getCachePath() . 'mysql.log', basename($F) . '|LINE=' . $L . '|NUM=' . (is_resource($result) ? SQL_NUMROWS($result) : 'false') . '|AFFECTED=' . SQL_AFFECTEDROWS() . '|QUERYTIME:' . ($queryTime * 1000) . 'ms): ' . str_replace(array(chr(13), PHP_EOL), array('', ' '), $GLOBALS['last_sql']));
 	} // END - if
 
 	// Increment stats entry
@@ -156,7 +159,7 @@ function SQL_NUMROWS ($resource) {
 }
 
 // SQL affected rows
-function SQL_AFFECTEDROWS() {
+function SQL_AFFECTEDROWS () {
 	// Valid link resource?
 	if (!SQL_IS_LINK_UP()) return FALSE;
 
@@ -169,7 +172,7 @@ function SQL_AFFECTEDROWS() {
 
 // SQL fetch row
 function SQL_FETCHROW ($resource) {
-	// Is a result resource set?
+	// Is $resource valid?
 	if ((!is_resource($resource)) || (!SQL_IS_LINK_UP())) return FALSE;
 
 	// Fetch the data and return it
@@ -178,10 +181,10 @@ function SQL_FETCHROW ($resource) {
 
 // SQL fetch array
 function SQL_FETCHARRAY ($resource) {
-	// Is a result resource set?
+	// Is $resource valid?
 	if ((!is_resource($resource)) || (!SQL_IS_LINK_UP())) return FALSE;
 
-	// Load row from database
+	// Load row as array from database
 	$row = mysql_fetch_assoc($resource);
 
 	// Return only arrays here
@@ -219,10 +222,19 @@ function SQL_CONNECT ($host, $login, $password, $F, $L) {
 		 * SQL_IS_LINK_UP() will only return 'true' if there is really a
 		 * working database link.
 		 */
-		SQL_SET_LINK($linkResource);
+		SQL_SET_LINK(__FUNCTION__, __LINE__, $linkResource);
+
+		// Init charsets (UTF-8 is default now)
+		SQL_QUERY("SET
+	`character_set_results`='utf8',
+	`character_set_client`='utf8',
+	`character_set_connection`='utf8',
+	`character_set_database`='utf8',
+	`character_set_server`='utf8'", __FUNCTION__, __LINE__);
 	} // END - if
 
 	// Return the resource
+	//* DEBUG: */ logDebugMessage($F . ':' . __FUNCTION__, $L . ':' . __LINE__, 'linkResource[]=' . gettype($linkResource));
 	return $linkResource;
 }
 
@@ -232,23 +244,27 @@ function SQL_SELECT_DB ($dbName, $F, $L) {
 	if (!SQL_IS_LINK_UP()) return FALSE;
 
 	// Return the result
+	//* DEBUG: */ logDebugMessage($F . ':' . __FUNCTION__, $L . ':' . __LINE__, 'Selecting database ' . $dbName);
 	return mysql_select_db($dbName, SQL_GET_LINK()) or SQL_ERROR($F, $L,  mysql_error());
 }
 
 // SQL close link
 function SQL_CLOSE ($F, $L) {
+	// Is the link up?
 	if (!SQL_IS_LINK_UP()) {
 		// Skip double close
+		//* DEBUG: */ logDebugMessage($F . ':' . __FUNCTION__, $L . ':' . __LINE__, 'Called but no link is open.');
 		return FALSE;
 	} // END - if
 
 	// Close database link and forget the link
-	$close = mysql_close(SQL_GET_LINK()) or SQL_ERROR($F, $L, mysql_error());
+	$close = mysql_close(SQL_GET_LINK()) or SQL_ERROR($F . ':' . __FUNCTION__, $L . ':' . __LINE__, mysql_error());
 
-	// Close link
-	SQL_SET_LINK(NULL);
+	// Close link in this layer
+	unsetSqlLinkUp(__FUNCTION__, __LINE__);
 
 	// Return the result
+	//* DEBUG: */ logDebugMessage($F . ':' . __FUNCTION__, $L . ':' . __LINE__, 'close[' . gettype($close) . ']=' . intval($close));
 	return $close;
 }
 
@@ -266,62 +282,52 @@ function SQL_FREERESULT ($resource) {
 	return $res;
 }
 
-// SQL string escaping
-function SQL_QUERY_ESC ($sqlString, $data, $F, $L, $run = TRUE, $strip = TRUE, $secure = TRUE) {
-	// Link is there?
-	if ((!SQL_IS_LINK_UP()) || (!is_array($data))) {
-		// Link is down or data is not an array
-		/* DEBUG: */ logDebugMessage($F, $L, 'SQL_IS_LINK_UP()=' . intval(SQL_IS_LINK_UP()) . ',data[]=' . gettype($data) . ',sqlString=' . $sqlString . ': ABORTING!');
-		return FALSE;
-	} // END - if
-
-	// Init array for escaped data with SQL string
-	$dataSecured = array(
-		'__sql_string' => $sqlString
-	);
-
-	// Escape all data
-	foreach ($data as $key => $value) {
-		$dataSecured[$key] = SQL_ESCAPE($value, $secure, $strip);
-	} // END - foreach
-
-	// Generate query
-	$query = call_user_func_array('sprintf', $dataSecured);
-
-	if ($run === TRUE) {
-		// Run SQL query (default)
-		return SQL_QUERY($query, $F, $L);
-	} else {
-		// Return secured string
-		return $query;
-	}
-}
-
-// Get id from last INSERT command
-function SQL_INSERTID () {
+// Get id from last INSERT command and secure id
+function SQL_INSERT_ID () {
 	if (!SQL_IS_LINK_UP()) return FALSE;
-	return mysql_insert_id();
+	return bigintval(mysql_insert_id());
 }
 
 // Escape a string for the database
 function SQL_ESCAPE ($str, $secureString = TRUE, $strip = TRUE) {
 	// Is there cache?
 	if (!isset($GLOBALS['sql_escapes']['' . $str . ''])) {
+		// Debug message
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str=' . $str . ' - BEFORE!');
+
 		// Prepare the string here
 		$str = SQL_PREPARE_SQL_STRING($str);
 
+		// Debug message
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str=' . $str . ' - AFTER!');
+
 		// Secure string first? (which is the default behaviour!)
 		if ($secureString === TRUE) {
+			// Debug message
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str=' . $str . ',strip=' . intval($strip) . ' - BEFORE!');
+
 			// Then do it here
 			$str = secureString($str, $strip);
+
+			// Debug message
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str=' . $str . ',strip=' . intval($strip) . ' - AFTER!');
 		} // END - if
 
+		// Init (invalid) value
+		$ret = '!INVALID!';
+
 		if (!SQL_IS_LINK_UP()) {
 			// Fall-back to escapeQuotes() when there is no link
 			$ret = escapeQuotes($str);
 		} elseif (function_exists('mysql_real_escape_string')) {
+			// Debug message
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str=' . $str);
+
 			// The new and improved version
 			$ret = mysql_real_escape_string($str, SQL_GET_LINK());
+
+			// Debug message
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str=' . $str . ',ret=' . $ret);
 		} elseif (function_exists('mysql_escape_string')) {
 			// The obsolete function
 			$ret = mysql_escape_string($str, SQL_GET_LINK());
@@ -330,247 +336,18 @@ function SQL_ESCAPE ($str, $secureString = TRUE, $strip = TRUE) {
 			$ret = escapeQuotes($str);
 		}
 
+		// Log message
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str=' . $str . ',ret=' . $ret);
+
 		// Cache result
 		$GLOBALS['sql_escapes']['' . $str . ''] = $ret;
 	} // END - if
 
-	// Return it
-	return $GLOBALS['sql_escapes']['' . $str . ''];
-}
-
-// SELECT query string from table, columns and so on... ;-)
-function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id, $F, $L) {
-	// Is columns an array?
-	if (!is_array($columns)) {
-		// No array
-		reportBug(__FUNCTION__, __LINE__, sprintf("columns is not an array. %s != array, file=%s, line=%s",
-			gettype($columns),
-			basename($F),
-			$L
-		));
-
-		// Abort here with 'false'
-		return FALSE;
-	} // END  - if
-
-	// Is this is a simple array?
-	if ((is_array($columns[0])) && (isset($columns[0]['column']))) {
-		// Begin with SQL query
-		$sql = 'SELECT ';
-
-		// No, it comes from XML, so get it back from it
-		$sql .= getSqlPartFromXmlArray($columns);
-
-		// Finalize it
-		$sql .= " FROM `{?_MYSQL_PREFIX?}_%s` WHERE `%s`='%s' LIMIT 1";
-	} else {
-		// Yes, prepare the SQL statement
-		$sql = 'SELECT `' . implode('`, `', $columns) . "` FROM `{?_MYSQL_PREFIX?}_%s` WHERE `%s`='%s' LIMIT 1";
-	}
-
-	// Return the result
-	return SQL_QUERY_ESC($sql,
-		array(
-			$table,
-			$idRow,
-			bigintval($id),
-		), $F, $L
-	);
-}
-
-// ALTER TABLE wrapper function
-function SQL_ALTER_TABLE ($sql, $F, $L, $enableCodes = TRUE) {
-	// Abort if link is down
-	if (!SQL_IS_LINK_UP()) return FALSE;
-
-	// This is the default result...
-	$result = FALSE;
-
-	// Determine index/fulltext/unique word
-	$isAlterIndex = (
-		(
-			isInString('INDEX', $sql)
-		) || (
-			isInString('KEY', $sql)
-		) || (
-			isInString('FULLTEXT', $sql)
-		) || (
-			isInString('UNIQUE', $sql)
-		)
-	);
-
-	// Extract table name
-	$tableArray = explode(' ', $sql);
-	$tableName = str_replace('`', '', $tableArray[2]);
-
-	// Debug log
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sql=' . $sql . ',tableName=' . $tableName . ',tableArray=<pre>' . print_r($tableArray, TRUE) . '</pre>,isAlterIndex=' . intval($isAlterIndex));
-
-	// Shall we add/drop?
-	if (((isInString('ADD', $sql)) || (isInString('DROP', $sql)) || (isInString('CHANGE', $sql))) && ($isAlterIndex === FALSE)) {
-		// Try two columns, one should fix
-		foreach (array(4,5) as $idx) {
-			// If an entry is not set, abort here
-			if (!isset($tableArray[$idx])) {
-				// Debug log this
-				logDebugMessage(__FUNCTION__, __LINE__, 'columnName=' . $columnName . ',idx=' . $idx . ',sql=' . $sql . ' is missing!');
-				break;
-			} // END - if
-
-			// And column name as well
-			$columnName = $tableArray[$idx];
-
-			// Debug log
-			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName=' . $columnName . ',idx=' . $idx . ',sql=' . $sql . ',hasZeroNums=' . intval(ifSqlColumnExists($tableName, $columnName)));
-
-			// Is there no entry on ADD or an entry on DROP/CHANGE?
-			if (((!ifSqlColumnExists($tableName, $columnName)) && (isInString('ADD', $sql))) || ((ifSqlColumnExists($tableName, $columnName)) && ((isInString('DROP', $sql)) || ((isInString('CHANGE', $sql)) && ($idx == 4) && ((!ifSqlColumnExists($tableName, $tableArray[5])) || ($columnName == $tableArray[5])))))) {
-				// Do the query
-				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Executing: ' . $sql);
-				$result = SQL_QUERY($sql, $F, $L, FALSE);
-
-				// Skip further attempt(s)
-				break;
-			} elseif ((((ifSqlColumnExists($tableName, $columnName)) && (isInString('ADD', $sql))) || ((!ifSqlColumnExists($tableName, $columnName)) && ((isInString('DROP', $sql))) || (isInString('CHANGE', $sql)))) && ($columnName != 'KEY')) {
-				// Abort here because it is alreay there
-				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Skipped: sql=' . $sql . ',columnName=' . $columnName . ',idx=' . $idx);
-				break;
-			} elseif ((!ifSqlColumnExists($tableName, $columnName)) && (isInString('DROP', $sql))) {
-				// Abort here because we tried to drop a column which is not there (never created maybe)
-				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'No drop: ' . $sql);
-				break;
-			} elseif ($columnName != 'KEY') {
-				// Something didn't fit, we better log it
-				logDebugMessage(__FUNCTION__, __LINE__, 'Possible problem: ' . $sql . ',hasZeroNums=' . intval(ifSqlColumnExists($tableName, $columnName)) . '');
-			}
-		} // END - foreach
-	} elseif ((getTableType() == 'InnoDB') && (isInString('FULLTEXT', $sql))) {
-		// Skip this query silently because InnoDB does not understand fulltext indexes
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("Skipped FULLTEXT: sql=%s,tableName=%s,hasZeroNums=%d,file=%s,line=%s", $sql, $tableName, intval((is_bool($result)) ? 0 : ifSqlColumnExists($columnName)), $F, $L));
-	} elseif ($isAlterIndex === TRUE) {
-		// And column name as well without backticks
-		$keyName = str_replace('`', '', $tableArray[5]);
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keyName=' . $keyName . ',tableArray=<pre>' . print_r($tableArray, TRUE) . '</pre>');
-
-		// Is this "UNIQUE" or so? FULLTEXT has been handled the elseif() block above
-		if (in_array(strtoupper($tableArray[4]), array('INDEX', 'UNIQUE', 'KEY', 'FULLTEXT'))) {
-			// Init loop
-			$begin = 1;
-			$keyName = ',';
-			while (isInString(',', $keyName)) {
-				// Use last
-				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keyName=' . $keyName . 'begin=' . $begin . ' - BEFORE');
-				$keyName = str_replace('`', '', $tableArray[count($tableArray) - $begin]);
-				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keyName=' . $keyName . 'begin=' . $begin . ' - BETWEEN');
-
-				// Remove brackes
-				$keyName = str_replace(array('(', ')'), array('', ''), $keyName);
-				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keyName=' . $keyName . 'begin=' . $begin . ' - AFTER');
-
-				// Continue
-				$begin++;
-			} // END while
-		} // END - if
-
-		// Shall we run it?
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ', tableArray[3]=' . $tableArray[3] . ',keyName=' . $keyName);
-		if (($tableArray[3] == 'ADD') && (!isSqlTableIndexFound($tableName, $keyName))) {
-			// Send it to the SQL_QUERY() function to add it
-			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sql=' . $sql . ' - ADDING!');
-			$result = SQL_QUERY($sql, $F, $L, $enableCodes);
-		} elseif (($tableArray[3] == 'DROP') && (isSqlTableIndexFound($tableName, $keyName))) {
-			// Send it to the SQL_QUERY() function to drop it
-			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sql=' . $sql . ' - DROPPING!');
-			$result = SQL_QUERY($sql, $F, $L, $enableCodes);
-		} else {
-			// Not executed
-			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Not executed: ' . $sql);
-		}
-	} else {
-		// Other ALTER TABLE query
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $sql);
-		$result = SQL_QUERY($sql, $F, $L, $enableCodes);
-	}
-
-	// Return result
-	return $result;
-}
-
-// Getter for SQL link
-function SQL_GET_LINK () {
-	// Init link
-	$link = NULL;
-
-	// Is it in the globals?
-	if (isset($GLOBALS['sql_link'])) {
-		// Then take it
-		$link = $GLOBALS['sql_link'];
-	} // END - if
+	// Log message
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str=' . $str . ',sql_escapes=' . $GLOBALS['sql_escapes']['' . $str . '']);
 
 	// Return it
-	return $link;
-}
-
-// Setter for link
-function SQL_SET_LINK ($link) {
-	// Is this a resource or null?
-	if ((ifFatalErrorsDetected()) && (isInstallationPhase())) {
-		// This may happen in installation phase
-		return;
-	} elseif ((!is_resource($link)) && (!is_null($link))) {
-		// This should never happen!
-		reportBug(__FUNCTION__, __LINE__, sprintf("Type of link is not resource or null, type=%s", gettype($link)));
-	} // END - if
-
-	// Set it
-	$GLOBALS['sql_link'] = $link;
-
-	// Re-init cache
-	$GLOBALS['is_sql_link_up'] = is_resource($link);
-}
-
-// Checks if the link is up
-function SQL_IS_LINK_UP () {
-	// Is there cached this?
-	if (!isset($GLOBALS['is_sql_link_up'])) {
-		// Determine it
-		$GLOBALS['is_sql_link_up'] = is_resource(SQL_GET_LINK());
-	} // END - if
-
-	// Return the result
-	return $GLOBALS['is_sql_link_up'];
-}
-
-// Wrapper function to make code more readable
-function SQL_HASZERONUMS ($result) {
-	// Just pass it through
-	return (SQL_NUMROWS($result) === 0);
-}
-
-// Wrapper function to make code more readable
-function SQL_HASZEROAFFECTED () {
-	// Just pass it through
-	return (SQL_AFFECTEDROWS() === 0);
-}
-
-// Private function to prepare the SQL query string
-function SQL_PREPARE_SQL_STRING ($sqlString, $enableCodes = TRUE) {
-	// Is it already cached?
-	if (!isset($GLOBALS['sql_strings'][$sqlString])) {
-		// Compile URI codes+config+expression code
-		$sqlString2 = FILTER_COMPILE_EXPRESSION_CODE(FILTER_COMPILE_CONFIG(compileUriCode($sqlString)));
-
-		// Do final compilation
-		$GLOBALS['sql_strings'][$sqlString] = doFinalCompilation($sqlString2, FALSE, $enableCodes);
-	} // END - if
-
-	// Return it
-	return $GLOBALS['sql_strings'][$sqlString];
-}
-
-// Creates a MySQL TIMESTAMP compatible string from given Uni* timestamp
-function SQL_EPOCHE_TO_TIMESTAMP ($timestamp) {
-	return generateDateTime($timestamp, 7);
+	return $GLOBALS['sql_escapes']['' . $str . ''];
 }
 
 // Log SQL errors to debug.log in installation phase or call reportBug()
@@ -591,125 +368,5 @@ function SQL_ERROR ($file, $line, $message) {
 	}
 }
 
-// Check if there is a SQL table created
-function ifSqlTableExists ($tableName) {
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ' - ENTERED!');
-	// Is there cache?
-	if (!isset($GLOBALS[__FUNCTION__][$tableName])) {
-		// Check if the table is there
-		$result = SQL_QUERY_ESC("SHOW TABLES FROM `{?__DB_NAME?}` WHERE `Tables_in_{?__DB_NAME?}`='{?_MYSQL_PREFIX?}_%s'",
-			array($tableName), __FILE__, __LINE__);
-
-		// Is there an entry?
-		$GLOBALS[__FUNCTION__][$tableName] = (SQL_NUMROWS($result) == 1);
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',numRows=' . intval($GLOBALS[__FUNCTION__][$tableName]));
-	} // END - if
-
-	// Return cache
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',result=' . intval($GLOBALS[__FUNCTION__][$tableName]) . ' - EXIT!');
-	return $GLOBALS[__FUNCTION__][$tableName];
-}
-
-// Is a table column there?
-function ifSqlColumnExists ($tableName, $columnName) {
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $columnName . ' - ENTERED!');
-	// Is there cache?
-	if (!isset($GLOBALS[__FUNCTION__][$tableName][$columnName])) {
-		// And column name as well
-		$columnName = str_replace('`', '', $columnName);
-
-		// Get column information
-		$result = SQL_QUERY_ESC("SHOW COLUMNS FROM `%s` LIKE '%s'",
-			array(
-				$tableName,
-				$columnName
-			), __FUNCTION__, __LINE__);
-
-		// Determine it
-		$GLOBALS[__FUNCTION__][$tableName][$columnName] = (!SQL_HASZERONUMS($result));
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $columnName . ',hasZeroNums=' . intval(SQL_HASZERONUMS($result)) . ',numRows=' . intval($GLOBALS[__FUNCTION__][$tableName][$columnName]));
-
-		// Free result
-		SQL_FREERESULT($result);
-	} // END - if
-
-	// Return cache
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $columnName . ',result=' . intval($GLOBALS[__FUNCTION__][$tableName][$columnName]) . ' - EXIT!');
-	return $GLOBALS[__FUNCTION__][$tableName][$columnName];
-}
-
-// Checks depending on the mode if the index is there
-function isSqlTableIndexFound ($tableName, $keyName) {
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $keyName . ' - ENTERED!');
-	// Is there cache?
-	if (!isset($GLOBALS[__FUNCTION__][$tableName][$keyName])) {
-		// Show indexes
-		$result = SQL_QUERY_ESC("SHOW INDEX FROM `%s`", array($tableName), __FUNCTION__, __LINE__);
-
-		// The column is not found by default
-		$GLOBALS[__FUNCTION__][$tableName][$keyName] = FALSE;
-
-		// Walk through all
-		while ($content = SQL_FETCHARRAY($result)) {
-			// Add all entries for better caching behavior
-			$GLOBALS[__FUNCTION__][$tableName][$content['Key_name']] = TRUE;
-		} // END - while
-
-		// Free result
-		SQL_FREERESULT($result);
-	} else {
-		// Cache used
-		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $keyName . ',result=' . intval($GLOBALS[__FUNCTION__][$tableName][$keyName]) . ' - CACHE!');
-	} // END - if
-
-	// Return cache
-	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $keyName . ',result=' . intval($GLOBALS[__FUNCTION__][$tableName][$keyName]) . ' - EXIT!');
-	return $GLOBALS[__FUNCTION__][$tableName][$keyName];
-}
-
-// Init database layer
-function initDatabaseLayer () {
-	// Set all required variables:
-	$GLOBALS['last_sql_error'] = '';
-}
-
-// Get last SQL error
-function getLastSqlError () {
-	return $GLOBALS['last_sql_error'];
-}
-
-// Gets an array (or false if none is found) from all supported engines
-function getArrayFromSupportedSqlEngines ($support = 'YES') {
-	// Init array
-	$engines = array();
-
-	// This also worked, now we need to check if the selected database type is supported
-	$result = SQL_QUERY('SHOW ENGINES', __FUNCTION__, __LINE__);
-
-	// Are there entries? (Bad if not)
-	if (SQL_NUMROWS($result) > 0) {
-		// Load all and check for active entries
-		while ($content = SQL_FETCHARRAY($result)) {
-			// Is this supported?
-			if (($support == 'ALL') || ($content['Support'] == $support)) {
-				// Add it
-				array_push($engines, $content);
-			} elseif (isDebugModeEnabled()) {
-				// Log it away in debug mode
-				logDebugMessage(__FUNCTION__, __LINE__, 'Engine ' . $content['Engine'] . ' is not supported (' . $content['Supported'] . ')');
-			}
-		} // END - if
-	} else {
-		// No engines! :(
-		$engines = FALSE;
-	}
-
-	// Free result
-	SQL_FREERESULT($result);
-
-	// Return result
-	return $engines;
-}
-
 // [EOF]
 ?>