X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Fdb%2Flib-mysql3.php;h=17caef397c5f9ee472bf9242c8ddf84df30fb0da;hp=a0f4499b147e583f014001c6f179f54888486c07;hb=b622c2d9285f044f49328cbd98efbf2f1a24aa8e;hpb=b20eb1c60e5d9eb2bd596bbd119d35d10ee46b20 diff --git a/inc/db/lib-mysql3.php b/inc/db/lib-mysql3.php index a0f4499b14..17caef397c 100644 --- a/inc/db/lib-mysql3.php +++ b/inc/db/lib-mysql3.php @@ -1,24 +1,23 @@ '); - $result = mysql_query($sqlString, SQL_GET_LINK()) - or addFatalMessage(__FUNCTION__, __LINE__, $F . ' (' . $L . '):' . mysql_error() . '
-Query string:
-' . $sqlString); - //* DEBUG: */ print(__LINE__ . ': numRows=' . SQL_NUMROWS($result) . ',affected=' . SQL_AFFECTEDROWS() . "
"); - - // Ending time - $querytimeAfter = array_sum(explode(' ', microtime())); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'F=' . basename($F) . ',L=' . $L . ',sql=' . $GLOBALS['last_sql']); + $result = mysql_query($GLOBALS['last_sql'], SQL_GET_LINK()) + or SQL_ERROR($F, $L, 'file='. basename($F) . ',line=' . $L . ':mysql_error()=' . mysql_error() . ',last_query=' . $GLOBALS['last_sql']); + //* DEBUG: */ logDebugMessage($F, $L, 'sql=' . $GLOBALS['last_sql'] . ',affected=' . SQL_AFFECTEDROWS() . ',numRows='.(is_resource($result) ? SQL_NUMROWS($result) : gettype($result))); // Calculate query time - $queryTime = $querytimeAfter - $querytimeBefore; + $queryTime = microtime(true) - $querytimeBefore; // Add this query to array including timing - addSqlToDebug($result, $sqlString, $queryTime, $F, $L); + addSqlToDebug($result, $GLOBALS['last_sql'], $queryTime, $F, $L); // Save last successfull query - setConfigEntry('db_last_query', $sqlString); + setConfigEntry('db_last_query', $GLOBALS['last_sql']); // Count all query times incrementConfigEntry('sql_time', $queryTime); @@ -104,48 +109,46 @@ Query string:
incrementConfigEntry('sql_count'); // Debug output - if ((getOutputMode() != 1) && (isDebugModeEnabled()) && (isConfigEntrySet('DEBUG_SQL')) && (getConfig('DEBUG_SQL') == 'Y')) { - // - // Debugging stuff... - // - $fp = fopen(getConfig('CACHE_PATH') . 'mysql.log', 'a') or app_die(__FILE__, __LINE__, "Cannot write mysql.log!"); + if (SQL_DEBUG_ENABLED()) { + // Is this the first call? if (!isset($GLOBALS['sql_first_entry'])) { // Write first entry - fwrite($fp, 'Module=' . getModule() . "\n"); + appendLineToFile(getCachePath() . 'mysql.log', 'Module=' . getModule()); $GLOBALS['sql_first_entry'] = true; } // END - if - fwrite($fp, $F . '(LINE=' . $L . '|NUM=' . SQL_NUMROWS($result) . '|AFFECTED=' . SQL_AFFECTEDROWS() . '|QUERYTIME:' . $queryTime . '): ' . str_replace("\r", '', str_replace("\n", ' ', $sqlString)) . "\n"); - fclose($fp); + + // Append debug line + appendLineToFile(getCachePath() . 'mysql.log', basename($F) . '|LINE=' . $L . '|NUM=' . (is_resource($result) ? SQL_NUMROWS($result) : 'false') . '|AFFECTED=' . SQL_AFFECTEDROWS() . '|QUERYTIME:' . $queryTime . '): ' . str_replace(array(chr(13), chr(10)), array('', ' '), $GLOBALS['last_sql'])); } // END - if - // Count DB hits - if (!isStatsEntrySet('db_hits')) { - // Count in dummy variable - setStatsEntry('db_hits', 1); - } else { - // Count to config array - incrementStatsEntry('db_hits'); - } + // Increment stats entry + incrementStatsEntry('db_hits'); // Return the result return $result; } // SQL num rows -function SQL_NUMROWS ($result) { +function SQL_NUMROWS ($resource) { + // Valid link resource? + if (!SQL_IS_LINK_UP()) return false; + // Link is not up, no rows by default $lines = false; // Is the result a valid resource? - if (is_resource($result)) { + if (isset($GLOBALS['sql_numrows'][intval($resource)])) { + // Use cache + $lines = $GLOBALS['sql_numrows'][intval($resource)]; + } elseif (is_resource($resource)) { // Get the count of rows from database - $lines = mysql_num_rows($result); + $lines = mysql_num_rows($resource); - // Is the result empty? Then we have an error! - if (empty($lines)) $lines = 0; - } elseif (SQL_IS_LINK_UP()) { - // No resource given, no lines found! - $lines = 0; + // Remember it in cache + $GLOBALS['sql_numrows'][intval($resource)] = $lines; + } else { + // No resource given, please fix this + reportBug(__FUNCTION__, __LINE__, 'No resource given! result[]=' . gettype($resource) . ',last_sql=' . $GLOBALS['last_sql']); } // Return lines @@ -165,65 +168,62 @@ function SQL_AFFECTEDROWS() { } // SQL fetch row -function SQL_FETCHROW ($result) { +function SQL_FETCHROW ($resource) { // Is a result resource set? - if ((!is_resource($result)) || (!SQL_IS_LINK_UP())) return false; + if ((!is_resource($resource)) || (!SQL_IS_LINK_UP())) return false; // Fetch the data and return it - return mysql_fetch_row($result); + return mysql_fetch_row($resource); } // SQL fetch array -function SQL_FETCHARRAY ($res, $nr=0, $remove_numerical=true) { +function SQL_FETCHARRAY ($res) { // Is a result resource set? if ((!is_resource($res)) || (!SQL_IS_LINK_UP())) return false; - // Initialize array - $row = array(); - // Load row from database - $row = mysql_fetch_array($res); + $row = mysql_fetch_assoc($res); // Return only arrays here if (is_array($row)) { - // Shall we remove numerical data here automatically? - if ($remove_numerical) { - // So let's remove all numerical elements to save memory! - $max = count($row); - for ($idx = 0; $idx < ($max / 2); $idx++) { - // Remove entry - unset($row[$idx]); - } // END - for - } // END - if - // Return row return $row; } else { - // Return a false here... + // Return a false, else some loops would go endless... return false; } } // SQL result -function SQL_RESULT ($res, $row, $field = 0) { - // Is $res valid? - if ((!is_resource($res)) || (!SQL_IS_LINK_UP())) return false; +function SQL_RESULT ($resource, $row, $field = '0') { + // Is $resource valid? + if ((!is_resource($resource)) || (!SQL_IS_LINK_UP())) return false; - // Run the result command and return the result - $result = mysql_result($res, $row, $field); + // Run the result command + $result = mysql_result($resource, $row, $field); + + // ... and return the result return $result; } // SQL connect function SQL_CONNECT ($host, $login, $password, $F, $L) { // Try to connect - $connect = mysql_connect($host, $login, $password) or addFatalMessage(__FUNCTION__, __LINE__, $F." (".$L."):".mysql_error()); + $linkResource = mysql_connect($host, $login, $password) or SQL_ERROR($F, $L, mysql_error()); // Set the link resource - SQL_SET_LINK($connect); + if (is_resource($linkResource)) { + /* + * A non-resource (boolean) may happen on installation phase which + * shall not be set here. Only valid link resources shall be set so + * SQL_IS_LINK_UP() will only return 'true' if there is really a + * working database link. + */ + SQL_SET_LINK($linkResource); + } // END - if - // Destroy cache - unset($GLOBALS['sql_link_res']); + // Return the resource + return $linkResource; } // SQL select database @@ -232,7 +232,7 @@ function SQL_SELECT_DB ($dbName, $F, $L) { if (!SQL_IS_LINK_UP()) return false; // Return the result - return mysql_select_db($dbName, SQL_GET_LINK()) or addFatalMessage(__FUNCTION__, __LINE__, $F." (".$L."):".mysql_error()); + return mysql_select_db($dbName, SQL_GET_LINK()) or SQL_ERROR($F, $L, mysql_error()); } // SQL close link @@ -243,88 +243,42 @@ function SQL_CLOSE ($F, $L) { } // END - if // Close database link and forget the link - $close = mysql_close(SQL_GET_LINK()) - or addFatalMessage(__FUNCTION__, __LINE__, $F . ' (' . $L . '):'.mysql_error()); + $close = mysql_close(SQL_GET_LINK()) or SQL_ERROR($F, $L, mysql_error()); // Close link - SQL_SET_LINK(null); - - // Destroy cache - unset($GLOBALS['sql_link_res']); + SQL_SET_LINK(NULL); // Return the result return $close; } // SQL free result -function SQL_FREERESULT ($result) { - if ((!is_resource($result)) || (!SQL_IS_LINK_UP())) { +function SQL_FREERESULT ($resource) { + if ((!is_resource($resource)) || (!SQL_IS_LINK_UP())) { // Abort here return false; } // END - if - $res = mysql_free_result($result); + // Free result + $res = mysql_free_result($resource); + + // And return that result of freeing it... return $res; } // SQL string escaping -function SQL_QUERY_ESC ($qstring, $data, $F, $L, $run=true, $strip=true, $secure=true) { +function SQL_QUERY_ESC ($sqlString, $data, $F, $L, $run = true, $strip = true, $secure = true) { // Link is there? if ((!SQL_IS_LINK_UP()) || (!is_array($data))) return false; - /* Other way */ // Escape all data - $dataSecured['__sql_string'] = $qstring; + $dataSecured['__sql_string'] = $sqlString; foreach ($data as $key => $value) { $dataSecured[$key] = SQL_ESCAPE($value, $secure, $strip); } // END - foreach // Generate query $query = call_user_func_array('sprintf', $dataSecured); - /* - /* Old eval() way... * - // Init variable - $query = 'failed'; - - if ($strip === true) { - $strip = 'true'; - } else { - $strip = 'false'; - } - - if ($secure === true) { - $secure = 'true'; - } else { - $secure = 'false'; - } - - $eval = "\$query = sprintf(\"" . $qstring . "\""; - foreach ($data as $var) { - if ((!empty($var)) || ($var === 0)) { - $eval .= ", SQL_ESCAPE('" . $var . "', " . $secure . ', ' . $strip . ')'; - } else { - $eval .= ", ''"; - } - } // END - foreach - $eval .= ');'; - **/ - - // Debugging - // - //* DEBUG: */ $fp = fopen(getConfig('CACHE_PATH') . 'escape_debug.log', 'a') or app_die(__FILE__, __LINE__, "Cannot write debug.log!"); - //* DEBUG: */ fwrite($fp, $F.'('.$L."): ".str_replace("\r", '', str_replace("\n", " ", $eval))."\n"); - //* DEBUG: */ fclose($fp); - - // Run the code - /** - eval($eval); - - // Was the eval() command fine? - if ($query == 'failed') { - // Something went wrong? - debug_report_bug('eval=' . $eval); - } // END - if - **/ if ($run === true) { // Run SQL query (default) @@ -335,16 +289,19 @@ function SQL_QUERY_ESC ($qstring, $data, $F, $L, $run=true, $strip=true, $secure } } -// Get ID from last INSERT command +// Get id from last INSERT command function SQL_INSERTID () { if (!SQL_IS_LINK_UP()) return false; return mysql_insert_id(); } // Escape a string for the database -function SQL_ESCAPE ($str, $secureString=true, $strip=true) { +function SQL_ESCAPE ($str, $secureString = true, $strip = true) { // Do we have cache? if (!isset($GLOBALS['sql_escapes'][''.$str.''])) { + // Prepare the string here + $str = SQL_PREPARE_SQL_STRING($str); + // Secure string first? (which is the default behaviour!) if ($secureString === true) { // Then do it here @@ -352,18 +309,17 @@ function SQL_ESCAPE ($str, $secureString=true, $strip=true) { } // END - if if (!SQL_IS_LINK_UP()) { - // Fall-back to smartAddSlashes() when there is no link - $ret = smartAddSlashes($str); + // Fall-back to escapeQuotes() when there is no link + $ret = escapeQuotes($str); } elseif (function_exists('mysql_real_escape_string')) { // The new and improved version - //* DEBUG: */ print(__FUNCTION__."(".__LINE__."):str={$str}
"); $ret = mysql_real_escape_string($str, SQL_GET_LINK()); } elseif (function_exists('mysql_escape_string')) { // The obsolete function $ret = mysql_escape_string($str, SQL_GET_LINK()); } else { - // If nothing else works, fall back to smartAddSlashes() again - $ret = smartAddSlashes($str); + // If nothing else works, fall back to escapeQuotes() again + $ret = escapeQuotes($str); } // Cache result @@ -379,7 +335,7 @@ function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id, $F, $L) { // Is columns an array? if (!is_array($columns)) { // No array - debug_report_bug(sprintf("columns is not an array. %s != array, file=%s, line=%s", + reportBug(__FUNCTION__, __LINE__, sprintf("columns is not an array. %s != array, file=%s, line=%s", gettype($columns), basename($F), $L @@ -389,8 +345,20 @@ function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id, $F, $L) { return false; } // END - if - // Prepare the SQL statement - $sql = "SELECT `".implode("`,`", $columns)."` FROM `{?_MYSQL_PREFIX?}_%s` WHERE `%s`='%s' LIMIT 1"; + // Is this is a simple array? + if ((is_array($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, @@ -403,7 +371,7 @@ function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id, $F, $L) { } // ALTER TABLE wrapper function -function SQL_ALTER_TABLE ($sql, $F, $L) { +function SQL_ALTER_TABLE ($sql, $F, $L, $enableCodes = true) { // Abort if link is down if (!SQL_IS_LINK_UP()) return false; @@ -411,91 +379,109 @@ function SQL_ALTER_TABLE ($sql, $F, $L) { $result = false; // Determine index/fulltext/unique word - $noIndex = ( - ( - strpos($sql, 'INDEX') === false - ) && ( - strpos($sql, 'FULLTEXT') === false - ) && ( - strpos($sql, 'UNIQUE') === false - ) + $isAlterIndex = ( + ( + isInString('INDEX', $sql) + ) || ( + isInString('KEY', $sql) + ) || ( + isInString('FULLTEXT', $sql) + ) || ( + isInString('UNIQUE', $sql) + ) ); // Extract table name - $tableArray = explode(" ", $sql); + $tableArray = explode(' ', $sql); $tableName = str_replace('`', '', $tableArray[2]); + // Debug log + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sql=' . $sql . ',tableName=' . $tableName . ',tableArray=
' . print_r($tableArray, true) . '
,isAlterIndex=' . intval($isAlterIndex)); + // Shall we add/drop? - if (((strpos($sql, 'ADD') !== false) || (strpos($sql, 'DROP') !== false)) && ($noIndex === true)) { - // And column name as well - $columnName = str_replace('`', '', $tableArray[4]); + 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 - // Get column information - $result = SQL_QUERY_ESC("SHOW COLUMNS FROM `%s` LIKE '%s'", - array($tableName, $columnName), __FILE__, __LINE__); - - // Do we have no entry on ADD or an entry on DROP? - // 123 4 4 3 3 4 4 32 23 4 4 3 3 4 4 321 - if (((SQL_NUMROWS($result) == 0) && (strpos($sql, 'ADD') !== false)) || ((SQL_NUMROWS($result) == 1) && (strpos($sql, 'DROP') !== false))) { - // Do the query - //* DEBUG: */ print(__LINE__.':'.$sql."
"); - $result = SQL_QUERY($sql, $F, $L, false); - } // END - if - } elseif ((getConfig('_TABLE_TYPE') == 'InnoDB') && (strpos($sql, 'FULLTEXT') !== false)) { - // Skip this query silently - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("Skipped FULLTEXT: sql=%s,file=%s,line=%s", $sql, $F, $L)); - } elseif ($noIndex === false) { - // And column name as well - $columnName = str_replace('`', '', $tableArray[4]); + // And column name as well + $columnName = $tableArray[$idx]; + + // Debug log + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName=' . $columnName . ',idx=' . $idx . ',sql=' . $sql . ',hasZeroNums=' . intval(isSqlTableColumnFound($tableName, $columnName))); + + // Do we have no entry on ADD or an entry on DROP/CHANGE? + if (((!isSqlTableColumnFound($tableName, $columnName)) && (isInString('ADD', $sql))) || ((isSqlTableColumnFound($tableName, $columnName)) && ((isInString('DROP', $sql)) || ((isInString('CHANGE', $sql)) && ($idx == 4) && ((!isSqlTableColumnFound($tableName, $tableArray[5])) || ($columnName == $tableArray[5])))))) { + // Do the query + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Executing: ' . $sql); + $result = SQL_QUERY($sql, $F, $L, false); + + // Skip further attempt(s) + break; + } elseif ((((isSqlTableColumnFound($tableName, $columnName)) && (isInString('ADD', $sql))) || ((!isSqlTableColumnFound($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=' . $idx); + break; + } elseif ((!isSqlTableColumnFound($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: ' . $sql . ',hasZeroNums=' . intval(isSqlTableColumnFound($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 : isSqlTableColumnFound($columnName)), $F, $L)); + } elseif ($isAlterIndex === true) { + // And column name as well without backticks + $keyName = str_replace('`', '', $tableArray[5]); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keyName=' . $keyName . ',tableArray=
' . print_r($tableArray, true) . '
'); // Is this "UNIQUE" or so? FULLTEXT has been handled the elseif() block above - if (in_array(strtoupper($columnName), array('INDEX', 'UNIQUE', 'KEY', 'FULLTEXT'))) { + if (in_array(strtoupper($tableArray[4]), array('INDEX', 'UNIQUE', 'KEY', 'FULLTEXT'))) { // Init loop - $begin = 1; $columnName = ','; - while (strpos($columnName, ',') !== false) { + $begin = 1; + $keyName = ','; + while (isInString(',', $keyName)) { // Use last - $columnName = str_replace('`', '', $tableArray[count($tableArray) - $begin]); - //* DEBUG: */ print(__LINE__.':'.$columnName."----------------".$begin."
"); + //* 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 - $columnName = str_replace('(', '', str_replace(')', '', $columnName)); - //* DEBUG: */ print(__LINE__.':'.$columnName."----------------".$begin."
"); + $keyName = str_replace(array('(', ')'), array('', ''), $keyName); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keyName=' . $keyName . 'begin=' . $begin . ' - AFTER'); // Continue $begin++; } // END while } // END - if - // Show indexes - $result = SQL_QUERY_ESC("SHOW INDEX FROM `%s`", - array($tableName), __FILE__, __LINE__); - - // Walk through all - $skip = false; - while ($content = SQL_FETCHARRAY($result)) { - // Is it found? - //* DEBUG: */ print("
".print_r($content, true)."
"); - if (($content['Column_name'] == $columnName) || ($content['Key_name'] == $columnName)) { - // Skip this query! - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("Skiped: %s", $sql)); - $skip = true; - break; - } // END - if - } // END - while - - // Free result - SQL_FREERESULT($result); - // Shall we run it? - if ($skip === false) { - // Send it to the SQL_QUERY() function - //* DEBUG: */ print(__LINE__.':'.$sql."
"); - $result = SQL_QUERY($sql, $F, $L, false); - } // END - if + //* 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: ' . $sql); + } } else { // Other ALTER TABLE query - //* DEBUG: */ print(__LINE__.':'.$sql."
"); - $result = SQL_QUERY($sql, $F, $L, false); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $sql); + $result = SQL_QUERY($sql, $F, $L, $enableCodes); } // Return result @@ -505,7 +491,7 @@ function SQL_ALTER_TABLE ($sql, $F, $L) { // Getter for SQL link function SQL_GET_LINK () { // Init link - $link = null; + $link = NULL; // Is it in the globals? if (isset($GLOBALS['sql_link'])) { @@ -520,34 +506,198 @@ function SQL_GET_LINK () { // Setter for link function SQL_SET_LINK ($link) { // Is this a resource or null? - if ((!is_resource($link)) && (!is_null($link))) { + if ((ifFatalErrorsDetected()) && (isInstallationPhase())) { + // This may happen in installation phase + return; + } elseif ((!is_resource($link)) && (!is_null($link))) { // This should never happen! - debug_report_bug(sprintf("link is not resource or null. Type: %s", gettype($link))); + 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 () { - // Default is not up - $linkUp = false; - // Do we have cached this? - if (isset($GLOBALS['sql_link_res'])) { - // Then use this - $linkUp = $GLOBALS['sql_link_res']; + if (!isset($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); +} + +// Log SQL errors to debug.log in installation phase or call reportBug() +function SQL_ERROR ($file, $line, $message) { + // Remember plain error in last_sql_error + $GLOBALS['last_sql_error'] = mysql_error(); + + // Do we have installation phase? + if (isInstallationPhase()) { + /* + * In installation phase, we don't want SQL errors abort e.g. connection + * tests, so just log it away. + */ + logDebugMessage($file, $line, $message); } else { - // Get it - $linkUp = is_resource(SQL_GET_LINK()); + // Regular mode, then call reportBug() + reportBug($file, $line, $message); + } +} + +// Check if there is a SQL table created +function ifSqlTableExists ($tableName) { + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ' - ENTERED!'); + // Do we have cache? + if (!isset($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__); - // And cache it - $GLOBALS['sql_link_res'] = $linkUp; + // 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 isSqlTableColumnFound ($tableName, $columnName) { + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $columnName . ' - ENTERED!'); + // Do we have cache? + if (!isset($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=' . $keyName . ' - ENTERED!'); + // Do we have cache? + if (!isset($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 + $result = SQL_QUERY('SHOW ENGINES', __FUNCTION__, __LINE__); + + // Do we have entries? (Bad if not) + if (SQL_NUMROWS($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; } - // Return the result - return $linkUp; + // Free result + SQL_FREERESULT($result); + + // Return result + return $engines; } // [EOF]