X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Fsql-functions.php;h=eab241370e0969f6023fc2cf4dff69ad38f2762c;hp=5ec4bee18cf0ce1fdfc51ba08946e48dc4850b0a;hb=f2b603aed42bfdf7a94611d7bae71fe3a1048890;hpb=e3d32ba51d2faa9d771ba684520a7cfa87fbf577

diff --git a/inc/sql-functions.php b/inc/sql-functions.php
index 5ec4bee18c..eab241370e 100644
--- a/inc/sql-functions.php
+++ b/inc/sql-functions.php
@@ -16,7 +16,7 @@
  * $Author::                                                          $ *
  * -------------------------------------------------------------------- *
  * Copyright (c) 2003 - 2009 by Roland Haeder                           *
- * Copyright (c) 2009 - 2011 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 *
@@ -42,10 +42,11 @@ if (!defined('__SECURITY')) {
 
 // Init SQLs array
 function initSqls () {
-	setSqlsArray(array());
+	// Init generic array
+	setSqlsArray(array('generic' => array()));
 }
 
-// Checks wether the sqls array is initialized
+// Checks whether the sqls array is initialized
 function isSqlsInitialized () {
 	return ((isset($GLOBALS['sqls'])) && (is_array($GLOBALS['sqls'])));
 }
@@ -69,7 +70,7 @@ function getSqls () {
 // Add an SQL to the list
 function addSql ($sql) {
 	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("sql=%s, count=%d", $sql, countSqls()));
-	$GLOBALS['sqls']['generic'][] = (string) $sql;
+	array_push($GLOBALS['sqls']['generic'], $sql);
 }
 
 // Merge SQLs together
@@ -112,7 +113,7 @@ function countSqls () {
 	return $count;
 }
 
-// Checks wether the SQLs array is filled
+// Checks whether the SQLs array is filled
 function isSqlsValid () {
 	//* DEBUG: */ debugOutput(__FUNCTION__ . ':' . intval(isSqlsInitialized()) . '/' . countSqls() . '/' . getCurrentExtensionName());
 	return (
@@ -136,74 +137,625 @@ function getUpdateSqlFromArray ($array, $tableName, $whereColumn, $whereData, $e
 			continue;
 		} // END - if
 
-		// Do we have a non-string (e.g. number, NULL, NOW() or back-tick at the beginning?
+		// Is there a non-string (e.g. number, NULL, SQL function or back-tick at the beginning?
 		if (is_null($multiDimId)) {
 			// Handle one-dimensional data
 			if (is_null($value)) {
 				// NULL detected
-				$SQL .= '`' . $entry . '`=NULL, ';
-			} elseif ((bigintval($value, true, false) === $value) || ($value == 'NOW()') || (substr($value, 0, 1) == '`'))  {
+				$SQL .= '`' . $entry . '`=NULL,';
+			} elseif ((substr($value, -2, 2) == '()') || (substr($value, 0, 1) == '`')) {
+				// SQL function needs no ticks (')
+				$SQL .= '`' . $entry . '`=' . sqlEscapeString($value) . ',';
+			} elseif ('' . bigintval($value, TRUE, FALSE) . '' == '' . $value . '')  {
 				// No need for ticks (')
-				$SQL .= '`' . $entry . '`=' . $value . ', ';
+				$SQL .= '`' . $entry . '`=' . $value . ',';
+			} elseif ('' . (float) $value . '' == '' . $value . '') {
+				// Float number detected
+				$SQL .= '`' . $entry . '`=' . sprintf(getConfig('FLOAT_MASK'), $value) . ',';
 			} else {
 				// Strings need ticks (') around them
-				$SQL .= '`' . $entry . "`='" . SQL_ESCAPE($value) . "', ";
+				$SQL .= '`' . $entry . "`='" . sqlEscapeString($value) . "',";
 			}
 		} else {
 			// Handle multi-dimensional data
 			if (is_null($value[$multiDimId])) {
 				// NULL detected
-				$SQL .= '`' . $entry . '`=NULL, ';
-			} elseif ((bigintval($value[$multiDimId], true, false) === $value[$multiDimId]) || ($value[$multiDimId] == 'NOW()') || (substr($value[$multiDimId], 0, 1) == '`'))  {
+				$SQL .= '`' . $entry . '`=NULL,';
+			} elseif ((substr($value[$multiDimId], -2, 2) == '()') || (substr($value[$multiDimId], 0, 1) == '`')) {
+				// SQL function needs no ticks (')
+				$SQL .= '`' . $entry . '`=' . sqlEscapeString($value[$multiDimId]) . ',';
+			} elseif (('' . bigintval($value[$multiDimId], TRUE, FALSE) . '' == '' . $value[$multiDimId] . ''))  {
 				// No need for ticks (')
-				$SQL .= '`' . $entry . '`=' . $value[$multiDimId] . ', ';
+				$SQL .= '`' . $entry . '`=' . $value[$multiDimId] . ',';
+			} elseif ('' . (float) $value[$multiDimId] . '' == '' . $value[$multiDimId] . '') {
+				// Float number detected
+				$SQL .= '`' . $entry . '`=' . sprintf(getConfig('FLOAT_MASK'), $value[$multiDimId]) . ',';
 			} else {
 				// Strings need ticks (') around them
-				$SQL .= '`' . $entry . "`='" . SQL_ESCAPE($value[$multiDimId]) . "', ";
+				$SQL .= '`' . $entry . "`='" . sqlEscapeString($value[$multiDimId]) . "',";
 			}
 		}
 	} // END - foreach
 
 	// Remove last 2 chars and finish query
-	$SQL = substr($SQL, 0, -2) . ' WHERE `' . $whereColumn . '`=' . $whereData . ' LIMIT 1';
+	$SQL = substr($SQL, 0, -1) . ' WHERE `' . $whereColumn . '`=' . $whereData . ' LIMIT 1';
 
 	// Return SQL query
 	return $SQL;
 }
 
 // "Getter" for an "INSERT INTO" SQL query
-function getInsertSqlFromArray ($array, $tableName, $excludedFields = array('ok', 'add', 'do_edit')) {
+function getInsertSqlFromArray ($array, $tableName) {
 	// Init SQL
-	$SQL = 'INSERT INTO
-`{?_MYSQL_PREFIX?}_' . $tableName . '`
-(
-`' . implode('`,`', array_keys(postRequestArray())) . '`
-) VALUES (';
+	$SQL = 'INSERT INTO `{?_MYSQL_PREFIX?}_' . $tableName . '` (`' . implode('`, `', array_keys($array)) . '`) VALUES (';
 
 	// Walk through all entries
-	foreach (postRequestArray() as $key=>$value) {
+	foreach ($array as $key => $value) {
+		// Log debug message
+		//* NOISY-DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',key=' . $key . ',value=' . $value);
+
 		// Add all entries
 		if (is_null($value)) {
 			// Add NULL
 			$SQL .= 'NULL,';
-		} elseif ((bigintval($value, true, false) == $value)) {
+		} elseif (substr($value, -2, 2) == '()') {
+			// SQL function needs no ticks (')
+			$SQL .= sqlEscapeString($value) . ',';
+		} elseif ('' . bigintval($value, TRUE, FALSE) . '' == '' . $value . '') {
 			// Number detected, no need for ticks (')
 			$SQL .= bigintval($value) . ',';
-		} elseif ('' . (float)$value . '' == $value) {
+		} elseif ('' . (float) $value . '' == '' . $value . '') {
 			// Float number detected
-			$SQL .= sprintf('%01.5f', $value);
+			$SQL .= sprintf(getConfig('FLOAT_MASK'), $value) . ',';
 		} else {
 			// Everything else might be a string, so add ticks around it
-			$SQL .= "'" . SQL_ESCAPE($value) . "',";
+			$SQL .= chr(39) . sqlEscapeString($value) . chr(39) . ',';
 		}
 	} // END - foreach
 
 	// Finish SQL query
-	$SQL .= ')';
+	$SQL = substr($SQL, 0, -1) . ')';
 
 	// Return SQL query
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',sql=' . $SQL);
 	return $SQL;
 }
 
+// Function to unset __is_sql_link_up
+function unsetSqlLinkUp ($file, $line) {
+	// Unset it
+	//* DEBUG: */ logDebugMessage($file, $line, __FUNCTION__ . ': Called!');
+	setSqlLink($file, $line, NULL);
+}
+
+// Initializes the SQL link by bringing it up if set
+function initSqlLink () {
+	// "Unset" the link
+	unsetSqlLinkUp(__FUNCTION__, __LINE__);
+
+	// Do this only if link is down
+	assert(!isSqlLinkUp());
+
+	// Is the configuration data set?
+	if ((!empty($GLOBALS['mysql']['host'])) && (!empty($GLOBALS['mysql']['login'])) && (!empty($GLOBALS['mysql']['dbase']))) {
+		// Remove cache
+		unsetSqlLinkUp(__FUNCTION__, __LINE__);
+
+		// Connect to DB
+		sqlConnectToDatabase($GLOBALS['mysql']['host'], $GLOBALS['mysql']['login'], $GLOBALS['mysql']['password'], __FUNCTION__, __LINE__);
+
+		// Is the link valid?
+		if (isSqlLinkUp()) {
+			// Enable exit on error
+			enableExitOnError();
+
+			// Is it a valid resource?
+			if (sqlSelectDatabase($GLOBALS['mysql']['dbase'], __FUNCTION__, __LINE__) === TRUE) {
+				// Set database name (required for ext-optimize and ifSqlTableExists())
+				setConfigEntry('__DB_NAME', $GLOBALS['mysql']['dbase']);
+
+				// Remove MySQL array from namespace
+				unset($GLOBALS['mysql']);
+
+				// Load cache
+				loadIncludeOnce('inc/load_cache.php');
+			} else {
+				// Wrong database?
+				reportBug(__FUNCTION__, __LINE__, 'Wrong database selected.');
+			}
+		} else {
+			// No link to database!
+			reportBug(__FUNCTION__, __LINE__, 'Database link is not yet up.');
+		}
+	} else {
+		// Maybe you forgot to enter your database login?
+		reportBug(__FUNCTION__, __LINE__, 'Database login is missing.');
+	}
+}
+
+// Imports given SQL dump from given (relative) path and adds them to $sqlPool
+function importSqlDump ($path, $dumpName, $sqlPool) {
+	// Construct FQFN
+	$FQFN = getPath() . $path . '/' . $dumpName . '.sql';
+
+	// Is the file readable?
+	if (!isFileReadable($FQFN)) {
+		// Not found, which is bad
+		reportBug(__FUNCTION__, __LINE__, sprintf("SQL dump %s/%s.sql is not readable.", $path, $dumpName));
+	} // END - if
+
+	// Then read it
+	$fileContent = readSqlDump($FQFN);
+
+	// Merge it with existing SQL statements
+	mergeSqls(explode(";\n", $fileContent), $sqlPool);
+}
+
+// SQL string escaping
+function sqlQueryEscaped ($sqlString, $data, $file, $line, $run = TRUE, $strip = TRUE, $secure = TRUE) {
+	// Link is there?
+	if ((!isSqlLinkUp()) || (!is_array($data))) {
+		// Link is down or data is not an array
+		//* DEBUG: */ logDebugMessage($file, $line, 'isSqlLinkUp()=' . intval(isSqlLinkUp()) . ',data[]=' . gettype($data) . ',sqlString=' . $sqlString . ': ABORTING!');
+		return FALSE;
+	} // END - if
+
+	// Init array for escape'd data with SQL string
+	$dataSecured = array(
+		'__sql_string' => $sqlString
+	);
+
+	// Escape all data
+	foreach ($data as $key => $value) {
+		$dataSecured[$key] = sqlEscapeString($value, $secure, $strip);
+	} // END - foreach
+
+	// Generate query
+	$query = call_user_func_array('sprintf', $dataSecured);
+
+	if ($run === TRUE) {
+		// Run SQL query (default)
+		return sqlQuery($query, $file, $line);
+	} else {
+		// Return secured string
+		return $query;
+	}
+}
+
+// SELECT query string from table, columns and so on... ;-)
+function getSqlResultFromArray ($table, $columns, $idRow, $id, $file, $line) {
+	// Is columns an array?
+	if (!is_array($columns)) {
+		// No array
+		reportBug(__FUNCTION__, __LINE__, sprintf("columns is not an array. %s != array, file=%s, line=%s",
+			gettype($columns),
+			basename($file),
+			$line
+		));
+
+		// Abort here with 'false'
+		return FALSE;
+	} // END  - if
+
+	// Is this is a simple array?
+	if ((is_array($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('`, `', $columns) . "` FROM `{?_MYSQL_PREFIX?}_%s` WHERE `%s`='%s' LIMIT 1";
+	}
+
+	// Return the result
+	return sqlQueryEscaped($sql,
+		array(
+			$table,
+			$idRow,
+			bigintval($id),
+		), $file, $line
+	);
+}
+
+// ALTER TABLE wrapper function
+function sqlQueryAlterTable ($sql, $file, $line, $enableCodes = TRUE) {
+	// Abort if link is down
+	if (!isSqlLinkUp()) 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=' . $sql . ',hasZeroNums=' . intval(ifSqlTableColumnExists($tableName, $columnName)));
+
+			// Is there no entry on ADD or an entry on DROP/CHANGE?
+			if (((!ifSqlTableColumnExists($tableName, $columnName)) && (isInString('ADD', $sql))) || ((ifSqlTableColumnExists($tableName, $columnName)) && ((isInString('DROP', $sql)) || ((isInString('CHANGE', $sql)) && ($idx == 4) && ((!ifSqlTableColumnExists($tableName, $tableArray[5])) || ($columnName == $tableArray[5])))))) {
+				// Do the query
+				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Executing: ' . $sql);
+				$result = sqlQuery($sql, $file, $line, FALSE);
+
+				// Skip further attempt(s)
+				break;
+			} elseif ((((ifSqlTableColumnExists($tableName, $columnName)) && (isInString('ADD', $sql))) || ((!ifSqlTableColumnExists($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=' . $idx);
+				break;
+			} elseif ((!ifSqlTableColumnExists($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: ' . $sql . ',hasZeroNums=' . intval(ifSqlTableColumnExists($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 : ifSqlTableColumnExists($columnName)), $file, $line));
+	} elseif ($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') && (!ifSqlTableIndexExist($tableName, $keyName))) {
+			// Send it to the sqlQuery() function to add it
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sql=' . $sql . ' - ADDING!');
+			$result = sqlQuery($sql, $file, $line, $enableCodes);
+		} elseif (($tableArray[3] == 'DROP') && (ifSqlTableIndexExist($tableName, $keyName))) {
+			// Send it to the sqlQuery() function to drop it
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sql=' . $sql . ' - DROPPING!');
+			$result = sqlQuery($sql, $file, $line, $enableCodes);
+		} else {
+			// Not executed
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Not executed: ' . $sql);
+		}
+	} else {
+		// Other ALTER TABLE query
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $sql);
+		$result = sqlQuery($sql, $file, $line, $enableCodes);
+	}
+
+	// Return result
+	return $result;
+}
+
+// Getter for SQL link
+function getSqlLink () {
+	// Init link
+	$link = NULL;
+
+	// Is it in the globals?
+	if (isset($GLOBALS['__sql_link'])) {
+		// Then take it
+		$link = $GLOBALS['__sql_link'];
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'link[]=' . gettype($link) . ' - FROM GLOBALS!');
+	} // END - if
+
+	// Return it
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'link[]=' . gettype($link) . ' - EXIT!');
+	return $link;
+}
+
+// Setter for link
+function setSqlLink ($file, $line, $link) {
+	//* DEBUG: */ logDebugMessage($file . ':' . __FUNCTION__, $line . ':' . __LINE__, 'link[]=' . gettype($link) . ' - ENTERED!');
+	// Is this a resource or null?
+	if ((ifFatalErrorsDetected()) && (isInstallationPhase())) {
+		// This may happen in installation phase
+		//* DEBUG: */ logDebugMessage($file . ':' . __FUNCTION__, $line . ':' . __LINE__, 'Some fatal errors detected in installation phase.');
+		return;
+	} elseif ((!is_resource($link)) && (!is_null($link))) {
+		// This should never happen!
+		reportBug($file . ':' . __FUNCTION__, $line . ':' . __LINE__, sprintf("Type of link is not resource or null, type=%s", gettype($link)));
+	} // END - if
+
+	// Set it
+	$GLOBALS['__sql_link'] = $link;
+
+	// Re-init cache
+	$GLOBALS['__is_sql_link_up'] = is_resource($link);
+	//* DEBUG: */ logDebugMessage($file . ':' . __FUNCTION__, $line . ':' . __LINE__, '__is_sql_link_up=' . intval($GLOBALS['__is_sql_link_up']) . ' - EXIT!');
+}
+
+// Checks if the link is up
+function isSqlLinkUp () {
+	// Is there cached this?
+	if (!isset($GLOBALS['__is_sql_link_up'])) {
+		// Something bad went wrong
+		reportBug(__FUNCTION__, __LINE__, 'Called before SQL_SET_LINK() was called!');
+	} // END - if
+
+	// Return the result
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, '__is_sql_link_up=' . intval($GLOBALS['__is_sql_link_up']) . ' - EXIT!');
+	return $GLOBALS['__is_sql_link_up'];
+}
+
+// Wrapper function to make code more readable
+function ifSqlHasZeroNums ($result) {
+	// Just pass it through
+	return (sqlNumRows($result) === 0);
+}
+
+// Wrapper function to make code more readable
+function ifSqlHasZeroAffectedRows () {
+	// Just pass it through
+	return (sqlAffectedRows() === 0);
+}
+
+// Private function to prepare the SQL query string
+function sqlPrepareQueryString ($sqlString, $enableCodes = TRUE) {
+	// Debug message
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sqlString=' . $sqlString . ',enableCodes=' . intval($enableCodes) . ' - ENTERED!');
+
+	// Is it already cached?
+	if (!isset($GLOBALS['sql_strings']['' . $sqlString . ''])) {
+		// Preserve escaping and compile URI codes+config+expression code
+		$sqlString2 = FILTER_COMPILE_EXPRESSION_CODE(FILTER_COMPILE_CONFIG($sqlString));
+
+		// Debug message
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sqlString2=' . $sqlString2);
+
+		// Do final compilation and revert {ESCAPE}
+		$GLOBALS['sql_strings']['' . $sqlString . ''] = doFinalCompilation($sqlString2, FALSE, $enableCodes);
+	} else {
+		// Log message
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sqlString=' . $sqlString . ' - CACHE!');
+	}
+
+	// Debug message
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sqlString=' . $sqlString . ',enableCodes=' . intval($enableCodes) . ',sql_strings=' . $GLOBALS['sql_strings']['' . $sqlString . ''] . ' - EXIT!');
+
+	// Return it
+	return $GLOBALS['sql_strings']['' . $sqlString . ''];
+}
+
+// Creates a MySQL TIMESTAMP compatible string from given Uni* timestamp
+function getSqlTimestampFromUnix ($timestamp) {
+	return generateDateTime($timestamp, '7');
+}
+
+// Check if there is a SQL table created
+function ifSqlTableExists ($tableName) {
+	// Make sure double-prefixes are being removed
+	$tableName = str_replace('{?_MYSQL_PREFIX?}_', '', $tableName);
+
+	// Log message
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ' - ENTERED!');
+
+	// Is there cache?
+	if (!isset($GLOBALS[__FUNCTION__][$tableName])) {
+		// Check if the table is there
+		$result = sqlQueryEscaped("SHOW TABLES FROM `{?__DB_NAME?}` WHERE `Tables_in_{?__DB_NAME?}`='{?_MYSQL_PREFIX?}_%s'",
+			array($tableName), __FUNCTION__, __LINE__);
+
+		// Is a link there?
+		if (!is_resource($result)) {
+			// Is installation phase?
+			if (isInstallationPhase()) {
+				// Then silently abort here
+				//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'result[]=' . gettype($result) . ',isLinkUp=' . intval(isSqlLinkUp()) . ',tableName=' . $tableName . ' - Returning FALSE ...');
+				return FALSE;
+			} else {
+				// Please report this
+				reportBug(__FUNCTION__, __LINE__, 'result[]=' . gettype($result) . ' is not a resource.');
+			}
+		} // END - if
+
+		// Is there an entry?
+		$GLOBALS[__FUNCTION__][$tableName] = (sqlNumRows($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 ifSqlTableColumnExists ($tableName, $columnName, $forceFound = FALSE) {
+	// Remove back-ticks
+	$columnName = str_replace('`', '', $columnName);
+
+	// Debug message
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $columnName . ' - ENTERED!');
+
+	// If the table is not there, it is okay
+	if (!ifSqlTableExists($tableName)) {
+		// Then abort here
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Table ' . $tableName . ' does not exist, columnName=' . $columnName . ',forceFound=' . intval($forceFound));
+		return (($forceFound === FALSE) && (isInstallationPhase()));
+	} // END - if
+
+	// Get column information
+	$result = sqlQueryEscaped("SHOW COLUMNS FROM `%s` LIKE '%s'",
+		array(
+			$tableName,
+			$columnName
+		), __FUNCTION__, __LINE__);
+
+	// Is a link there?
+	if (!is_resource($result)) {
+		// Is installation phase?
+		if (isInstallationPhase()) {
+			// Then silently abort here
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'result[]=' . gettype($result) . ',isLinkUp=' . intval(isSqlLinkUp()) . ',tableName=' . $tableName . ',columnName=' . $columnName . ' - Returning FALSE ...');
+			return $forceFound;
+		} else {
+			// Please report this
+			reportBug(__FUNCTION__, __LINE__, 'result[]=' . gettype($result) . ' is not a resource.');
+		}
+	} // END - if
+
+	// Determine it
+	$doesExist = (!ifSqlHasZeroNums($result));
+
+	// Free result
+	sqlFreeResult($result);
+
+	// Return cache
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $columnName . ',doesExist=' . intval($doesExist) . ' - EXIT!');
+	return $doesExist;
+}
+
+// Checks depending on the mode if the index is there
+function ifSqlTableIndexExist ($tableName, $keyName, $forceFound = FALSE) {
+	// Remove back-ticks
+	$keyName = str_replace('`', '', $keyName);
+
+	// Debug message
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',keyName=' . $keyName . ' - ENTERED!');
+
+	// If the table is not there, it is okay
+	if (!ifSqlTableExists($tableName)) {
+		// Then abort here
+		//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Table ' . $tableName . ' does not exist, keyName=' . $keyName . ',forceFound=' . intval($forceFound));
+		return (($forceFound === FALSE) && (isInstallationPhase()));
+	} // END - if
+
+	// Show indexes
+	$result = sqlQueryEscaped("SHOW INDEX FROM `%s`", array($tableName), __FUNCTION__, __LINE__);
+
+	// Is a link there?
+	if (!is_resource($result)) {
+		// Is installation phase?
+		if (isInstallationPhase()) {
+			// Then silently abort here
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'result[]=' . gettype($result) . ',isLinkUp=' . intval(isSqlLinkUp()) . ',tableName=' . $tableName . ',keyName=' . $keyName . ' - Returning FALSE ...');
+			return $forceFound;
+		} else {
+			// Please report this
+			reportBug(__FUNCTION__, __LINE__, 'result[]=' . gettype($result) . ' is not a resource.');
+		}
+	} // END - if
+
+	// The key is not found by default
+	$doesExist = FALSE;
+
+	// Walk through all
+	while ($content = sqlFetchArray($result)) {
+		// Is it the requested one?
+		if ($content['Key_name'] == $keyName) {
+			// Then it is found and exit
+			$doesExist = TRUE;
+			break;
+		} // END - if
+	} // END - while
+
+	// Free result
+	sqlFreeResult($result);
+
+	// Return cache
+	//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',keyName=' . $keyName . ',doesExist=' . intval($doesExist) . ' - EXIT!');
+	return $doesExist;
+}
+
+// Init database layer
+function initDatabaseLayer () {
+	// Set all required variables:
+	$GLOBALS['last_sql_error'] = '';
+}
+
+// Get last SQL error
+function getLastSqlError () {
+	return $GLOBALS['last_sql_error'];
+}
+
+// Gets an array (or false if none is found) from all supported engines
+function getArrayFromSupportedSqlEngines ($requestedEngine = 'ALL') {
+	// Init array
+	$engines = array();
+
+	// This also worked, now we need to check if the selected database type is supported
+	$result = sqlQuery('SHOW ENGINES', __FUNCTION__, __LINE__);
+
+	// Are there entries? (Bad if not)
+	if (!ifSqlHasZeroNums($result)) {
+		// Load all and check for active entries
+		while ($content = sqlFetchArray($result)) {
+			// Debug message
+			//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'support=' . $requestedEngine . ',Engine=' . $content['Engine'] . ',Support=' . $content['Support']);
+
+			// Is this supported?
+			if ((($requestedEngine == 'ALL') || ($content['Engine'] == $requestedEngine)) && (in_array($content['Support'], array('YES', 'DEFAULT')))) {
+				// 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'] . ' - ' . $requestedEngine . ')');
+			}
+		} // END - if
+	} else {
+		// No engines! :(
+		$engines = FALSE;
+	}
+
+	// Free result
+	sqlFreeResult($result);
+
+	// Return result
+	return $engines;
+}
+
 // [EOF]
 ?>