X-Git-Url: https://git.mxchange.org/?p=mailer.git;a=blobdiff_plain;f=inc%2Fdb%2Flib-mysql3.php;h=17caef397c5f9ee472bf9242c8ddf84df30fb0da;hp=80e3a1d5091e08af9605d19ef81c85d19932ebc8;hb=b622c2d9285f044f49328cbd98efbf2f1a24aa8e;hpb=16b311c338bb4f8436e2ed9e76cb1cd5f3741640 diff --git a/inc/db/lib-mysql3.php b/inc/db/lib-mysql3.php index 80e3a1d509..17caef397c 100644 --- a/inc/db/lib-mysql3.php +++ b/inc/db/lib-mysql3.php @@ -16,8 +16,8 @@ * $Author:: $ * * -------------------------------------------------------------------- * * Copyright (c) 2003 - 2009 by Roland Haeder * - * Copyright (c) 2009 - 2011 by Mailer Developer Team * - * For more information visit: http://www.mxchange.org * + * Copyright (c) 2009 - 2012 by Mailer Developer Team * + * For more information visit: http://mxchange.org * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * @@ -52,13 +52,13 @@ function SQL_QUERY ($sqlString, $F, $L, $enableCodes = true) { // Empty query string or link is not up? if (empty($sqlStringModified)) { // Empty SQL string! - debug_report_bug(__FUNCTION__, __LINE__, sprintf("SQL string is empty. Please fix this. file=%s, line=%s", + reportBug(__FUNCTION__, __LINE__, sprintf("SQL string is empty, please fix this: file=%s, line=%s", basename($F), $L )); } elseif (!SQL_IS_LINK_UP()) { // We should not quietly ignore this - debug_report_bug(__FUNCTION__, __LINE__, sprintf("Cannot query database: sqlString=%s,file=%s,line=%s", + reportBug(__FUNCTION__, __LINE__, sprintf("Cannot query database: sqlString=%s,file=%s,line=%s", $sqlStringModified, basename($F), $L @@ -66,7 +66,7 @@ function SQL_QUERY ($sqlString, $F, $L, $enableCodes = true) { } // Remove \t, \n and \r from queries they may confuse some MySQL versions - $sqlStringModified = str_replace("\t", ' ', str_replace("\n", ' ', str_replace("\r", ' ', $sqlStringModified))); + $sqlStringModified = str_replace(array(chr(9), chr(10), chr(13)), array(' ', ' ', ' '), $sqlStringModified); // Compile config entries out $sqlStringModified = SQL_PREPARE_SQL_STRING($sqlStringModified, $enableCodes); @@ -90,8 +90,7 @@ function SQL_QUERY ($sqlString, $F, $L, $enableCodes = true) { // Run SQL command //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'F=' . basename($F) . ',L=' . $L . ',sql=' . $GLOBALS['last_sql']); $result = mysql_query($GLOBALS['last_sql'], SQL_GET_LINK()) - or debug_report_bug($F, $L, 'file='. basename($F) . ',line=' . $L . ':mysql_error()=' . mysql_error() . "\n". -'Query string:' . $GLOBALS['last_sql']); + or SQL_ERROR($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 @@ -110,7 +109,7 @@ function SQL_QUERY ($sqlString, $F, $L, $enableCodes = true) { incrementConfigEntry('sql_count'); // Debug output - if ((!isCssOutputMode()) && (isDebugModeEnabled()) && (isSqlDebuggingEnabled())) { + if (SQL_DEBUG_ENABLED()) { // Is this the first call? if (!isset($GLOBALS['sql_first_entry'])) { // Write first entry @@ -119,17 +118,11 @@ function SQL_QUERY ($sqlString, $F, $L, $enableCodes = true) { } // END - if // Append debug line - appendLineToFile(getCachePath() . 'mysql.log', $F . '(LINE=' . $L . '|NUM=' . SQL_NUMROWS($result) . '|AFFECTED=' . SQL_AFFECTEDROWS() . '|QUERYTIME:' . $queryTime . '): ' . str_replace("\r", '', str_replace("\n", ' ', $GLOBALS['last_sql']))); + appendLineToFile(getCachePath() . 'mysql.log', basename($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 $result; @@ -144,7 +137,7 @@ function SQL_NUMROWS ($resource) { $lines = false; // Is the result a valid resource? - if (isset($GLOBALS['sql_numrows'][$resource])) { + if (isset($GLOBALS['sql_numrows'][intval($resource)])) { // Use cache $lines = $GLOBALS['sql_numrows'][intval($resource)]; } elseif (is_resource($resource)) { @@ -155,7 +148,7 @@ function SQL_NUMROWS ($resource) { $GLOBALS['sql_numrows'][intval($resource)] = $lines; } else { // No resource given, please fix this - debug_report_bug(__FUNCTION__, __LINE__, 'No resource given! result[]=' . gettype($resource) . ',last_sql=' . $GLOBALS['last_sql']); + reportBug(__FUNCTION__, __LINE__, 'No resource given! result[]=' . gettype($resource) . ',last_sql=' . $GLOBALS['last_sql']); } // Return lines @@ -216,13 +209,21 @@ function SQL_RESULT ($resource, $row, $field = '0') { // SQL connect function SQL_CONNECT ($host, $login, $password, $F, $L) { // Try to connect - $linkResource = mysql_connect($host, $login, $password) or addFatalMessage(__FUNCTION__, __LINE__, $F . ' (' . $L . '):' . mysql_error()); + $linkResource = mysql_connect($host, $login, $password) or SQL_ERROR($F, $L, mysql_error()); // Set the link resource - SQL_SET_LINK($linkResource); + 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['is_sql_link_up']); + // Return the resource + return $linkResource; } // SQL select database @@ -231,7 +232,7 @@ function SQL_SELECT_DB ($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, $L, mysql_error()); } // SQL close link @@ -242,14 +243,10 @@ function SQL_CLOSE ($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['is_sql_link_up']); + SQL_SET_LINK(NULL); // Return the result return $close; @@ -302,6 +299,9 @@ function SQL_INSERTID () { function SQL_ESCAPE ($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 ($secureString === true) { // Then do it here @@ -335,7 +335,7 @@ function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id, $F, $L) { // Is columns an array? if (!is_array($columns)) { // No array - debug_report_bug(__FUNCTION__, __LINE__, 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), $L @@ -345,8 +345,20 @@ function SQL_RESULT_FROM_ARRAY ($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, @@ -367,16 +379,16 @@ function SQL_ALTER_TABLE ($sql, $F, $L, $enableCodes = true) { $result = false; // Determine index/fulltext/unique word - $noIndex = ( - ( - strpos($sql, 'INDEX') === false - ) && ( - strpos($sql, 'KEY') === false - ) && ( - strpos($sql, 'FULLTEXT') === false - ) && ( - strpos($sql, 'UNIQUE') === false - ) + $isAlterIndex = ( + ( + isInString('INDEX', $sql) + ) || ( + isInString('KEY', $sql) + ) || ( + isInString('FULLTEXT', $sql) + ) || ( + isInString('UNIQUE', $sql) + ) ); // Extract table name @@ -384,10 +396,10 @@ function SQL_ALTER_TABLE ($sql, $F, $L, $enableCodes = true) { $tableName = str_replace('`', '', $tableArray[2]); // Debug log - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sql=' . $sql . ',tableName=' . $tableName); + //* 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($sql, 'DROP') !== false) || (strpos($sql, 'CHANGE') !== false)) && ($noIndex === true)) { + if (((isInString('ADD', $sql)) || (isInString('DROP', $sql)) || (isInString('CHANGE', $sql))) && ($isAlterIndex === false)) { // Try two columns, one should fix foreach (array(4,5) as $idx) { // If an entry is not set, abort here @@ -398,58 +410,54 @@ function SQL_ALTER_TABLE ($sql, $F, $L, $enableCodes = true) { } // END - if // And column name as well - $columnName = str_replace('`', '', $tableArray[$idx]); - - // Get column information - $result = SQL_QUERY_ESC("SHOW COLUMNS FROM `%s` LIKE '%s'", - array($tableName, $columnName), __FUNCTION__, __LINE__); + $columnName = $tableArray[$idx]; // Debug log - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName=' . $columnName . ',idx=' . $idx . ',sql=' . $sql . ',hasZeroNums=' . intval(SQL_HASZERONUMS($result))); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName=' . $columnName . ',idx=' . $idx . ',sql=' . $sql . ',hasZeroNums=' . intval(isSqlTableColumnFound($tableName, $columnName))); // Do we have no entry on ADD or an entry on DROP/CHANGE? - // 123 4 43 3 4 4 32 23 4 4 3 3 4 4 32 23 4 43 3 4 4 3 3 321 - if (((SQL_HASZERONUMS($result)) && (strpos($sql, 'ADD') !== false)) || ((!SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false)) || ((!SQL_HASZERONUMS($result)) && (strpos($sql, 'CHANGE') !== false) && ($idx == 4))) { + 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, $L, false); // Skip further attempt(s) break; - // 1234 5 54 4 5 5 43 34 5 54 4 5 5 43 3 4 4 32 2 21 - } elseif ((((!SQL_HASZERONUMS($result)) && (strpos($sql, 'ADD') !== false)) || ((!SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false)) || (strpos($sql, 'CHANGE') !== false)) && ($columnName != 'KEY')) { + } elseif ((((isSqlTableColumnFound($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=' . $idx); break; - } elseif ((SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false)) { + } elseif ((!isSqlTableColumnFound($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: ' . $sql . ',hasZeroNums=' . intval(SQL_HASZERONUMS($result)) . ''); + logDebugMessage(__FUNCTION__, __LINE__, 'Possible problem: ' . $sql . ',hasZeroNums=' . intval(isSqlTableColumnFound($tableName, $columnName)) . ''); } } // END - foreach - } elseif ((getTableType() == 'InnoDB') && (strpos($sql, 'FULLTEXT') !== false)) { - // Skip this query silently - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("Skipped FULLTEXT: sql=%s,tableName=%s,hasZeroNums=%d,file=%s,line=%s", $sql, $tableName, intval((is_bool($result)) ? 0 : SQL_HASZERONUMS($result)), $F, $L)); - } elseif ($noIndex === false) { - // And column name as well - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableArray=
' . print_r($tableArray, true) . '
'); + } 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($keyName), array('INDEX', 'UNIQUE', 'KEY', 'FULLTEXT'))) { + if (in_array(strtoupper($tableArray[4]), array('INDEX', 'UNIQUE', 'KEY', 'FULLTEXT'))) { // Init loop - $begin = 1; $keyName = ','; - while (strpos($keyName, ',') !== false) { + $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 . '----------------' . $begin); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keyName=' . $keyName . 'begin=' . $begin . ' - BETWEEN'); // Remove brackes - $keyName = str_replace('(', '', str_replace(')', '', $keyName)); - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $keyName . '----------------' . $begin); + $keyName = str_replace(array('(', ')'), array('', ''), $keyName); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'keyName=' . $keyName . 'begin=' . $begin . ' - AFTER'); // Continue $begin++; @@ -457,9 +465,14 @@ function SQL_ALTER_TABLE ($sql, $F, $L, $enableCodes = true) { } // END - if // Shall we run it? - if (!isSqlTableIndexAdded($tableName, $tableArray[3])) { - // Send it to the SQL_QUERY() function - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $sql); + //* 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, $enableCodes); } else { // Not executed @@ -478,7 +491,7 @@ function SQL_ALTER_TABLE ($sql, $F, $L, $enableCodes = true) { // Getter for SQL link function SQL_GET_LINK () { // Init link - $link = null; + $link = NULL; // Is it in the globals? if (isset($GLOBALS['sql_link'])) { @@ -498,32 +511,26 @@ function SQL_SET_LINK ($link) { return; } elseif ((!is_resource($link)) && (!is_null($link))) { // This should never happen! - debug_report_bug(__FUNCTION__, __LINE__, sprintf("Type of link is not resource or null, type=%s", gettype($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['is_sql_link_up'])) { - // Then use this - $linkUp = $GLOBALS['is_sql_link_up']; - } else { - // Get it - $linkUp = is_resource(SQL_GET_LINK()); - - // And cache it - $GLOBALS['is_sql_link_up'] = $linkUp; - } + if (!isset($GLOBALS['is_sql_link_up'])) { + // Determine it + $GLOBALS['is_sql_link_up'] = is_resource(SQL_GET_LINK()); + } // END - if // Return the result - return $linkUp; + return $GLOBALS['is_sql_link_up']; } // Wrapper function to make code more readable @@ -542,74 +549,155 @@ function SQL_HASZEROAFFECTED () { function SQL_PREPARE_SQL_STRING ($sqlString, $enableCodes = true) { // Is it already cached? if (!isset($GLOBALS['sql_strings'][$sqlString])) { - // Compile config+expression code - $sqlString2 = FILTER_COMPILE_EXPRESSION_CODE(FILTER_COMPILE_CONFIG($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, $enableCodes); - //die($sqlString.'
'.$sqlString2.'
'.$GLOBALS['sql_strings'][$sqlString]); } // 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, $message); + } else { + // Regular mode, then call reportBug() + reportBug($file, $line, $message); + } +} + // Check if there is a SQL table created -function isSqlTableCreated ($table) { +function ifSqlTableExists ($tableName) { + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ' - ENTERED!'); // Do we have cache? - if (!isset($GLOBALS[__FUNCTION__][$table])) { + if (!isset($GLOBALS[__FUNCTION__][$tableName])) { // Check if the table is there - $result = SQL_QUERY_ESC("SHOW TABLES FROM `{?__DB_NAME?}` WHERE `Tables_in_{?__DB_NAME?}`='{?_MYSQL_PREFIX?}_%s' LIMIT 1", - array($table), __FILE__, __LINE__); + $result = SQL_QUERY_ESC("SHOW TABLES FROM `{?__DB_NAME?}` WHERE `Tables_in_{?__DB_NAME?}`='{?_MYSQL_PREFIX?}_%s'", + array($tableName), __FILE__, __LINE__); // Is there an entry? - $GLOBALS[__FUNCTION__][$table] = (SQL_NUMROWS($result) == 1); + $GLOBALS[__FUNCTION__][$tableName] = (SQL_NUMROWS($result) == 1); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',numRows=' . intval($GLOBALS[__FUNCTION__][$tableName])); } // END - if // Return cache - return $GLOBALS[__FUNCTION__][$table]; + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',result=' . intval($GLOBALS[__FUNCTION__][$tableName]) . ' - EXIT!'); + return $GLOBALS[__FUNCTION__][$tableName]; } -// Checks depending on the mode if the table is there -function isSqlTableIndexAdded ($tableName, $mode) { +// Is a table column there? +function isSqlTableColumnFound ($tableName, $columnName) { + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ',columnName=' . $columnName . ' - ENTERED!'); // Do we have cache? - if (!isset($GLOBALS[__FUNCTION__][$tableName][$mode])) { + 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__); - // Non-skipping is default for ADD - $GLOBALS[__FUNCTION__][$tableName][$mode] = false; - - // But should we DROP? - if ($mode == 'DROP') { - // Then skip if nothing found - $GLOBALS[__FUNCTION__][$tableName][$mode] = true; - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Going to drop key ' . $keyName); - } // END - if + // The column is not found by default + $GLOBALS[__FUNCTION__][$tableName][$keyName] = false; // Walk through all while ($content = SQL_FETCHARRAY($result)) { - // Is it found? - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName='.$keyName.',content=
' . print_r($content, true) . '
'); - if (($content['Key_name'] == $keyName) && ($mode == 'ADD')) { - // Skip this query! - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("ADD: Skiped: %s", $sql)); - $GLOBALS[__FUNCTION__][$tableName][$mode] = true; - break; - } elseif (($content['Key_name'] == $keyName) && ($mode == 'DROP')) { - // Don't skip this! - //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("DROP: Not skiped: %s", $sql)); - $GLOBALS[__FUNCTION__][$tableName][$mode] = false; - break; - } + // 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 - return $GLOBALS[__FUNCTION__][$tableName][$mode]; + //* 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! :( + $engines = false; + } + + // Free result + SQL_FREERESULT($result); + + // Return result + return $engines; } // [EOF]