* -------------------------------------------------------------------- *
* File : lib-mysql3.php *
* -------------------------------------------------------------------- *
- * Short description : Database layer for MySQL +3.x server *
+ * Short description : Database layer for MySQL 3/4/5 server *
* -------------------------------------------------------------------- *
- * Kurzbeschreibung : Datenbankschicht fuer MySQL +3.x Server *
+ * Kurzbeschreibung : Datenbankschicht fuer MySQL 3/4/5 Server *
* -------------------------------------------------------------------- *
* $Revision:: $ *
* $Date:: $ *
* $Author:: $ *
* -------------------------------------------------------------------- *
* Copyright (c) 2003 - 2009 by Roland Haeder *
- * Copyright (c) 2009, 2010 by Mailer Developer Team *
- * For more information visit: http://www.mxchange.org *
+ * Copyright (c) 2009 - 2011 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 *
// SQL queries
function SQL_QUERY ($sqlString, $F, $L, $enableCodes = true) {
- // Trim SQL string
- $sqlString = trim($sqlString);
+ // Do we have cache?
+ if (!isset($GLOBALS[__FUNCTION__][$sqlString])) {
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Called: ' . $sqlString);
+
+ // Trim SQL string
+ $sqlStringModified = trim($sqlString);
+
+ // Empty query string or link is not up?
+ if (empty($sqlStringModified)) {
+ // Empty SQL string!
+ debug_report_bug(__FUNCTION__, __LINE__, sprintf("SQL string is empty. Please fix this. file=%s, line=%s",
+ basename($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",
+ $sqlStringModified,
+ basename($F),
+ $L
+ ));
+ }
- // Link is up?
- if (!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",
- $sqlString,
- basename($F),
- $L
- ));
+ // Remove \t, \n and \r from queries they may confuse some MySQL versions
+ $sqlStringModified = str_replace("\t", ' ', str_replace("\n", ' ', str_replace("\r", ' ', $sqlStringModified)));
- // Return 'false' because it has failed
- return false;
- } elseif (empty($sqlString)) {
- // Empty SQL string!
- debug_report_bug(__FUNCTION__, __LINE__, sprintf("SQL string is empty. Please fix this. file=%s, line=%s",
- basename($F),
- $L
- ));
+ // Compile config entries out
+ $sqlStringModified = SQL_PREPARE_SQL_STRING($sqlStringModified, $enableCodes);
- // This is invalid, of course
- return false;
- }
+ // Cache it and remember as last SQL query
+ $GLOBALS[__FUNCTION__][$sqlString] = $sqlStringModified;
+ $GLOBALS['last_sql'] = $sqlStringModified;
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Stored cache: ' . $sqlStringModified);
+ } else {
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Cache used: ' . $sqlString);
- // Remove \t, \n and \r from queries they may confuse some MySQL version I have heard
- $sqlString = str_replace("\t", ' ', str_replace("\n", ' ', str_replace("\r", ' ', $sqlString)));
+ // Use cache (to save a lot function calls
+ $GLOBALS['last_sql'] = $GLOBALS[__FUNCTION__][$sqlString];
- // Compile config entries out
- $GLOBALS['last_sql'] = SQL_PREPARE_SQL_STRING($sqlString, $enableCodes);
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Cache is: ' . $sqlString);
+ }
// Starting time
$querytimeBefore = microtime(true);
// Run SQL command
- //* DEBUG: */ debugOutput('F=' . basename($F) . ',L=' . $L . 'sql=' . encodeEntities($GLOBALS['last_sql']));
+ //* 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:' . $GLOBALS['last_sql']);
- //* DEBUG: */ logDebugMessage($F, $L, 'sql=' . $GLOBALS['last_sql'] . ',affected=' . SQL_AFFECTEDROWS());
+ or debug_report_bug($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 = microtime(true) - $querytimeBefore;
// Debug output
if ((!isCssOutputMode()) && (isDebugModeEnabled()) && (isSqlDebuggingEnabled())) {
- //
- // Debugging stuff...
- //
- $fp = fopen(getCachePath() . 'mysql.log', 'a') or debug_report_bug(__FUNCTION__, __LINE__, 'Cannot write mysql.log!');
+ // Is this the first call?
if (!isset($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", ' ', $GLOBALS['last_sql'])) . "\n");
- fclose($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("\r", '', str_replace("\n", ' ', $GLOBALS['last_sql'])));
} // END - if
// Count DB hits
// SQL connect
function SQL_CONNECT ($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 debug_report_bug(__FUNCTION__, __LINE__, $F . ' (' . $L . '):' . mysql_error());
// Set the link resource
SQL_SET_LINK($linkResource);
-
- // Destroy cache
- unset($GLOBALS['is_sql_link_up']);
}
// SQL select database
if (!SQL_IS_LINK_UP()) return false;
// Return the result
- return mysql_select_db($dbName, SQL_GET_LINK()) or addFatalMessage(__FUNCTION__, __LINE__, $F . ' (' . $L . '):' . mysql_error());
+ return mysql_select_db($dbName, SQL_GET_LINK()) or debug_report_bug(__FUNCTION__, __LINE__, $F . ' (' . $L . '):' . mysql_error());
}
// SQL close link
} // 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 debug_report_bug(__FUNCTION__, __LINE__, $F . ' (' . $L . '):'.mysql_error());
// Close link
SQL_SET_LINK(null);
- // Destroy cache
- unset($GLOBALS['is_sql_link_up']);
-
// Return the result
return $close;
}
// Generate query
$query = call_user_func_array('sprintf', $dataSecured);
- // Debugging
- //
- //* DEBUG: */ $fp = fopen(getCachePath() . 'escape_debug.log', 'a') or debug_report_bug(__FUNCTION__, __LINE__, 'Cannot write debug.log!');
- //* DEBUG: */ fwrite($fp, $F . '(' . $L . '): ' . str_replace("\r", '', str_replace("\n", ' ', $eval)) . "\n");
- //* DEBUG: */ fclose($fp);
-
if ($run === true) {
// Run SQL query (default)
return SQL_QUERY($query, $F, $L);
function SQL_ESCAPE ($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
$ret = escapeQuotes($str);
} elseif (function_exists('mysql_real_escape_string')) {
// The new and improved version
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'str='.$str);
$ret = mysql_real_escape_string($str, SQL_GET_LINK());
} elseif (function_exists('mysql_escape_string')) {
// The obsolete function
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,
$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
$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($isAlterIndex));
+
// Shall we add/drop?
- if (((strpos($sql, 'ADD') !== false) || (strpos($sql, 'DROP') !== false)) && ($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 $idx) {
+ // If an entry is not set, abort here
+ if (!isset($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 = str_replace('`', '', $tableArray[$idx]);
+ $columnName = $tableArray[$idx];
- // Get column information
- $result = SQL_QUERY_ESC("SHOW COLUMNS FROM `%s` LIKE '%s'",
- array($tableName, $columnName), __FUNCTION__, __LINE__);
+ // Debug log
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName=' . $columnName . ',idx=' . $idx . ',sql=' . $sql . ',hasZeroNums=' . intval(isSqlTableColumnFound($tableName, $columnName)));
- // Do we have no entry on ADD or an entry on DROP?
- // 123 4 4 3 3 4 4 32 23 4 4 3 3 4 4 321
- if (((SQL_HASZERONUMS($result)) && (strpos($sql, 'ADD') !== false)) || ((SQL_NUMROWS($result) == 1) && (strpos($sql, 'DROP') !== false))) {
+ // Do we have no entry on ADD or an entry on DROP/CHANGE?
+ if (((!isSqlTableColumnFound($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, $L, false);
// Skip further attempt(s)
break;
- } elseif ((((SQL_NUMROWS($result) == 1) && (strpos($sql, 'ADD') !== false)) || ((SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false))) && ($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);
+ //* 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
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Possible problem: ' . $sql);
+ // Something didn't fit, we better log it
+ logDebugMessage(__FUNCTION__, __LINE__, 'Possible problem: ' . $sql . ',hasZeroNums=' . intval(isSqlTableColumnFound($tableName, $columnName)) . '');
}
} // END - foreach
- } elseif ((getConfig('_TABLE_TYPE') == 'InnoDB') && (strpos($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
- //* DEBUG: */ debugOutput(__LINE__.':tableArray=<pre>' . print_r($tableArray, true) . '</pre>');
+ } 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=' . $keyName . ',tableArray=<pre>' . print_r($tableArray, true) . '</pre>');
// 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);
+ //* 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), __FUNCTION__, __LINE__);
-
- // Non-skipping is default for ADD
- $skip = false;
-
- // But should we DROP?
- if ($tableArray[3] == 'DROP') {
- // Then skip if nothing found!
- $skip = true;
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Going to drop key ' . $keyName);
- } // END - if
-
- // Walk through all
- while ($content = SQL_FETCHARRAY($result)) {
- // Is it found?
- //* DEBUG: */ debugOutput(__LINE__.':columnName='.$keyName.',content=<pre>' . print_r($content, true) . '</pre>');
- if (($content['Key_name'] == $keyName) && ($tableArray[3] == 'ADD')) {
- // Skip this query!
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("ADD: Skiped: %s", $sql));
- $skip = true;
- break;
- } elseif (($content['Key_name'] == $keyName) && ($tableArray[3] == 'DROP')) {
- // Don't skip this!
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, sprintf("DROP: Not skiped: %s", $sql));
- $skip = false;
- break;
- }
- } // END - while
-
- // Free result
- SQL_FREERESULT($result);
-
// Shall we run it?
- if ($skip === false) {
- // 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
// Getter for SQL link
function SQL_GET_LINK () {
// Init link
- $link = null;
+ $link = NULL;
// Is it in the globals?
if (isset($GLOBALS['sql_link'])) {
return;
} elseif ((!is_resource($link)) && (!is_null($link))) {
// This should never happen!
- debug_report_bug(__FUNCTION__, __LINE__, sprintf("link is not resource or null. Type: %s", gettype($link)));
+ debug_report_bug(__FUNCTION__, __LINE__, sprintf("Type of link is not resource or null, type=%s", gettype($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
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 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.'<br />'.$sqlString2.'<br />'.$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);
+}
+
+// Check if there is a SQL table created
+function isSqlTableCreated ($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__);
+
+ // 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];
+}
+
// [EOF]
?>