X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=inc%2Fdb%2Flib-mysql3.php;h=ea128166a729c5e3632e70da4df57ee9be7915d2;hb=98e44adab9035e30efe78181b76d78c6e13ba574;hp=5d2cfd9cff4af3844c1da9e6dfd6eea876abc2c5;hpb=75ad748a68473ace540251427a74fb781b1145e9;p=mailer.git
diff --git a/inc/db/lib-mysql3.php b/inc/db/lib-mysql3.php
index 5d2cfd9cff..975cefd78d 100644
--- a/inc/db/lib-mysql3.php
+++ b/inc/db/lib-mysql3.php
@@ -1,18 +1,22 @@
-".MYSQL_QUERY_STRING."
-".$sql_string);
-
- if (($CSS != "1") && ($CSS != "-1") && (DEBUG_MODE) && (DEBUG_SQL))
- {
- //
- // Debugging stuff...
- //
- $fp = @fopen(PATH."debug.log", 'a') or mxchange_die("Cannot write debug.log!");
- if (!isset($OK)) {
- // Write first entry
- fwrite($fp, "Module=".$GLOBALS['module']."\n");
- $OK = true;
+ // 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),
+ $L
+ ));
}
- fwrite($fp, $F."(LINE=".$L."|NUM=".SQL_NUMROWS($result)."|AFFECTED=".SQL_AFFECTEDROWS()."): ".str_replace('\r', '', str_replace('\n', " ", $sql_string))."\n");
- fclose($fp);
+
+ // Remove \t, \n and \r from queries they may confuse some MySQL versions
+ $sqlStringModified = str_replace("\t", ' ', str_replace("\n", ' ', str_replace("\r", ' ', $sqlStringModified)));
+
+ // Compile config entries out
+ $sqlStringModified = SQL_PREPARE_SQL_STRING($sqlStringModified, $enableCodes);
+
+ // 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);
+
+ // Use cache (to save a lot function calls
+ $GLOBALS['last_sql'] = $GLOBALS[__FUNCTION__][$sqlString];
+
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Cache is: ' . $sqlString);
}
+ // Starting time
+ $querytimeBefore = microtime(true);
+
+ // Run SQL command
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'F=' . basename($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:' . $GLOBALS['last_sql']);
+ //* DEBUG: */ logDebugMessage($F, $L, 'sql=' . $GLOBALS['last_sql'] . ',affected=' . SQL_AFFECTEDROWS() . ',numRows='.(is_resource($result) ? SQL_NUMROWS($result) : gettype($result)));
+
+ // Calculate query time
+ $queryTime = microtime(true) - $querytimeBefore;
+
+ // Add this query to array including timing
+ addSqlToDebug($result, $GLOBALS['last_sql'], $queryTime, $F, $L);
+
+ // Save last successfull query
+ setConfigEntry('db_last_query', $GLOBALS['last_sql']);
+
+ // Count all query times
+ incrementConfigEntry('sql_time', $queryTime);
+
+ // Count this query
+ incrementConfigEntry('sql_count');
+
+ // Debug output
+ if ((!isCssOutputMode()) && (isDebugModeEnabled()) && (isSqlDebuggingEnabled())) {
+ // Is this the first call?
+ if (!isset($GLOBALS['sql_first_entry'])) {
+ // Write first entry
+ appendLineToFile(getCachePath() . 'mysql.log', 'Module=' . getModule());
+ $GLOBALS['sql_first_entry'] = true;
+ } // END - if
+
+ // Append debug line
+ appendLineToFile(getCachePath() . 'mysql.log', basename($F) . '|LINE=' . $L . '|NUM=' . (is_resource($result) ? SQL_NUMROWS($result) : 'false') . '|AFFECTED=' . SQL_AFFECTEDROWS() . '|QUERYTIME:' . $queryTime . '): ' . str_replace("\r", '', str_replace("\n", ' ', $GLOBALS['last_sql'])));
+ } // END - if
+
// Count DB hits
- if (!isset($CONFIG['db_hits']))
- {
+ if (!isStatsEntrySet('db_hits')) {
// Count in dummy variable
- $CONFIG['db_hits'] = 0;
- }
- else
- {
+ setStatsEntry('db_hits', 1);
+ } else {
// Count to config array
- $CONFIG['db_hits']++;
+ incrementStatsEntry('db_hits');
}
+
+ // Return the result
return $result;
}
// SQL num rows
-function SQL_NUMROWS($result)
-{
- if ($result != false)
- {
- $lines = @mysql_num_rows($result);
- if (empty($lines)) $lines = "0";
+function SQL_NUMROWS ($resource) {
+ // Valid link resource?
+ if (!SQL_IS_LINK_UP()) return false;
+ // Link is not up, no rows by default
+ $lines = false;
+
+ // Is the result a valid resource?
+ if (isset($GLOBALS['sql_numrows'][$resource])) {
+ // Use cache
+ $lines = $GLOBALS['sql_numrows'][intval($resource)];
+ } elseif (is_resource($resource)) {
+ // Get the count of rows from database
+ $lines = mysql_num_rows($resource);
+
+ // Remember it in cache
+ $GLOBALS['sql_numrows'][intval($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']);
}
- else
- {
- // No resource given, no lines found!
- $lines = "0";
- }
+
+ // Return lines
return $lines;
}
// SQL affected rows
-function SQL_AFFECTEDROWS($lnk="x", $F="dummy", $L="dummy")
-{
- global $link;
- // $lnk will be ignored for now!
- $lines = @mysql_affected_rows($link);
+function SQL_AFFECTEDROWS() {
+ // Valid link resource?
+ if (!SQL_IS_LINK_UP()) return false;
+
+ // Get affected rows
+ $lines = mysql_affected_rows(SQL_GET_LINK());
+
+ // Return it
return $lines;
}
// SQL fetch row
-function SQL_FETCHROW($result)
-{
- $DATA = array();
- $DATA = @mysql_fetch_row($result);
- return $DATA;
+function SQL_FETCHROW ($resource) {
+ // Is a result resource set?
+ if ((!is_resource($resource)) || (!SQL_IS_LINK_UP())) return false;
+
+ // Fetch the data and return it
+ return mysql_fetch_row($resource);
}
// SQL fetch array
-function SQL_FETCHARRAY($res=false, $nr=0, $remove_numerical=true)
-{
+function SQL_FETCHARRAY ($res) {
// Is a result resource set?
- if (!$res) return false;
-
- // Initialize array
- $row = array();
+ if ((!is_resource($res)) || (!SQL_IS_LINK_UP())) return false;
// 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[$idx]);
- }
- }
-
+ if (is_array($row)) {
// Return row
return $row;
- }
- else
- {
- // Return a false here...
+ } else {
+ // Return a false, else some loops would go endless...
return false;
}
}
// SQL result
-function SQL_RESULT($res, $row, $field)
-{
- $result = @mysql_result($res, $row, $field);
+function SQL_RESULT ($resource, $row, $field = '0') {
+ // Is $resource valid?
+ if ((!is_resource($resource)) || (!SQL_IS_LINK_UP())) return false;
+
+ // 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)
-{
- $connect = @mysql_connect($host, $login, $password) or ADD_FATAL($F." (".$L."):".mysql_error());
- return $connect;
+function SQL_CONNECT ($host, $login, $password, $F, $L) {
+ // Try to connect
+ $linkResource = mysql_connect($host, $login, $password) or debug_report_bug(__FUNCTION__, __LINE__, $F . ' (' . $L . '):' . mysql_error());
+
+ // Set the link resource
+ SQL_SET_LINK($linkResource);
}
+
// SQL select database
-function SQL_SELECT_DB($DB, $link, $F, $L)
-{
- $DB = @mysql_select_db($DB, $link) or ADD_FATAL($F." (".$L."):".mysql_error());
- return $DB;
+function SQL_SELECT_DB ($dbName, $F, $L) {
+ // Is there still a valid link? If not, skip it.
+ if (!SQL_IS_LINK_UP()) return false;
+
+ // Return the result
+ return mysql_select_db($dbName, SQL_GET_LINK()) or debug_report_bug(__FUNCTION__, __LINE__, $F . ' (' . $L . '):' . mysql_error());
}
+
// SQL close link
-function SQL_CLOSE($link, $F, $L)
-{
- global $CONFIG, $CACHE, $CFG_CACHE;
- if ((GET_EXT_VERSION("cache") >= "0.0.7") && (isset($CONFIG['db_hits'])) && (isset($CONFIG['cache_hits'])) && (is_object($CACHE)))
- {
- // Update counter for db/cache
- $result = SQL_QUERY("UPDATE "._MYSQL_PREFIX."_config SET db_hits='".$CONFIG['db_hits']."', cache_hits='".$CONFIG['cache_hits']."' WHERE config='0' LIMIT 1", __FILE__, __LINE__);
-
- // Update cache here
- if (GET_EXT_VERSION("cache") >= "0.1.2")
- {
- if ($CACHE->cache_file("config", true))
- {
- // Replace data
- $CACHE->cache_replace("cache_hits", $CONFIG['cache_hits'], "0", $CFG_CACHE);
- $CACHE->cache_replace("db_hits" , $CONFIG['db_hits'] , "0", $CFG_CACHE);
- }
- }
- }
+function SQL_CLOSE ($F, $L) {
+ if (!SQL_IS_LINK_UP()) {
+ // Skip double close
+ return false;
+ } // END - if
- // Close database link
- $close = @mysql_close($link) or ADD_FATAL($F." (".$L."):".mysql_error());
+ // Close database link and forget the link
+ $close = mysql_close(SQL_GET_LINK()) or debug_report_bug(__FUNCTION__, __LINE__, $F . ' (' . $L . '):'.mysql_error());
+
+ // Close link
+ SQL_SET_LINK(null);
+
+ // Return the result
return $close;
}
+
// SQL free result
-function SQL_FREERESULT($result)
-{
- $res = @mysql_free_result($result);
+function SQL_FREERESULT ($resource) {
+ if ((!is_resource($resource)) || (!SQL_IS_LINK_UP())) {
+ // Abort here
+ return false;
+ } // END - if
+
+ // 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, $file, $line, $run=true, $strip=true)
-{
- global $link;
- $eval = "\$query = sprintf(\"".$qstring."\"";
- foreach ($data as $var)
- {
- if (!empty($var))
- {
- if ($strip) {
- $eval .= ", SQL_ESCAPE(\"".strip_tags($var)."\")";
- } else {
- $eval .= ", SQL_ESCAPE(\"".$var."\")";
- }
- }
- else
- {
- $eval .= ", ''";
- }
- }
- $eval .= ");";
- //
- // Debugging
- //
- //$fp = fopen(PATH."escape_debug.log", 'a') or mxchange_die("Cannot write debug.log!");
- //fwrite($fp, $file."(".$line."): ".str_replace('\r', '', str_replace('\n', " ", $eval))."\n");
- //fclose($fp);
- eval($eval);
- if ($run)
- {
+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;
+
+ // Escape all data
+ $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', $dataSecured);
+
+ if ($run === true) {
// Run SQL query (default)
- return SQL_QUERY($query, $file, $line);
- }
- else
- {
+ return SQL_QUERY($query, $F, $L);
+ } else {
// Return secured string
return $query;
}
}
-// Get ID from last INSERT command
-function SQL_INSERTID()
-{
- return @mysql_insert_id();
+
+// Get id from last INSERT command
+function SQL_INSERTID () {
+ if (!SQL_IS_LINK_UP()) return false;
+ return mysql_insert_id();
}
+
// Escape a string for the database
-function SQL_ESCAPE($str)
-{
- global $link;
- if (!is_resource($link)) {
- // Fall-back to addslashes() when there is no link
- return addslashes($str);
- }
+function SQL_ESCAPE ($str, $secureString = true, $strip = true) {
+ // Do we have cache?
+ if (!isset($GLOBALS['sql_escapes'][''.$str.''])) {
+ // Secure string first? (which is the default behaviour!)
+ if ($secureString === true) {
+ // Then do it here
+ $str = secureString($str, $strip);
+ } // END - if
- if (function_exists('mysql_real_escape_string')) {
- // The new and improved version
- return mysql_real_escape_string($str, $link);
- } elseif (function_exists('mysql_escape_string')) {
- // The obsulete function
- return mysql_escape_string($str, $link);
- } else {
- // If nothing else works
- return addslashes($str);
- }
+ if (!SQL_IS_LINK_UP()) {
+ // Fall-back to escapeQuotes() when there is no link
+ $ret = escapeQuotes($str);
+ } elseif (function_exists('mysql_real_escape_string')) {
+ // The new and improved version
+ $ret = mysql_real_escape_string($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 escapeQuotes() again
+ $ret = escapeQuotes($str);
+ }
+
+ // Cache result
+ $GLOBALS['sql_escapes'][''.$str.''] = $ret;
+ } // END - if
+
+ // Return it
+ return $GLOBALS['sql_escapes'][''.$str.''];
}
+
// SELECT query string from table, columns and so on... ;-)
-function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id) {
+function SQL_RESULT_FROM_ARRAY ($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",
+ gettype($columns),
+ basename($F),
+ $L
+ ));
+
+ // Abort here with 'false'
+ return false;
+ } // END - if
+
// Prepare the SQL statement
- $SQL = "SELECT ".implode(", ", $columns)." FROM "._MYSQL_PREFIX."_".$table." WHERE ".$idRow."=%d LIMIT 1";
+ $sql = "SELECT `".implode("`,`", $columns)."` FROM `{?_MYSQL_PREFIX?}_%s` WHERE `%s`='%s' LIMIT 1";
// Return the result
- return SQL_QUERY_ESC($SQL, array(bigintval($id)), __FILE__, __LINE__);
+ return SQL_QUERY_ESC($sql,
+ array(
+ $table,
+ $idRow,
+ bigintval($id),
+ ), $F, $L
+ );
}
-//
+
+// ALTER TABLE wrapper function
+function SQL_ALTER_TABLE ($sql, $F, $L, $enableCodes = true) {
+ // Abort if link is down
+ if (!SQL_IS_LINK_UP()) return false;
+
+ // This is the default result...
+ $result = false;
+
+ // Determine index/fulltext/unique word
+ $noIndex = (
+ (
+ strpos($sql, 'INDEX') === false
+ ) && (
+ strpos($sql, 'KEY') === false
+ ) && (
+ strpos($sql, 'FULLTEXT') === false
+ ) && (
+ strpos($sql, 'UNIQUE') === false
+ )
+ );
+
+ // Extract table name
+ $tableArray = explode(' ', $sql);
+ $tableName = str_replace('`', '', $tableArray[2]);
+
+ // Debug log
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'sql=' . $sql . ',tableName=' . $tableName . ',tableArray=
' . print_r($tableArray, true) . ''); + + // Shall we add/drop? + if (((strpos($sql, 'ADD') !== false) || (strpos($sql, 'DROP') !== false) || (strpos($sql, 'CHANGE') !== false)) && ($noIndex === true)) { + // 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=' . $sql . ',hasZeroNums=' . intval(isSqlTableColumnFound($tableName, $columnName))); + + // Do we have no entry on ADD or an entry on DROP/CHANGE? + // 123 4 43 3 4 4 32 23 4 43 3 4 4 32 23 4 43 3 4 4 3 3 3 3 4 4321 + if (((!isSqlTableColumnFound($tableName, $columnName)) && (strpos($sql, 'ADD') !== false)) || ((isSqlTableColumnFound($tableName, $columnName)) && (strpos($sql, 'DROP') !== false)) || ((isSqlTableColumnFound($tableName, $columnName)) && (strpos($sql, 'CHANGE') !== false) && ($idx == 4) && (!isSqlTableColumnFound($tableName, $tableArray[5])))) { + // Do the query + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Executing: ' . $sql); + $result = SQL_QUERY($sql, $F, $L, false); + + // Skip further attempt(s) + break; + // 1234 5 54 4 5 5 43 34 5 54 4 5 5 43 3 4 4 32 2 21 + } elseif ((((isSqlTableColumnFound($tableName, $columnName)) && (strpos($sql, 'ADD') !== false)) || ((isSqlTableColumnFound($tableName, $columnName)) && (strpos($sql, 'DROP') !== false)) || (strpos($sql, 'CHANGE') !== false)) && ($columnName != 'KEY')) { + // Abort here because it is alreay there + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Skipped: sql=' . $sql . ',columnName=' . $columnName . ',idx=' . $idx); + break; + } elseif ((!isSqlTableColumnFound($tableName, $columnName)) && (strpos($sql, 'DROP') !== false)) { + // 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, $columnName)) . ''); + } + } // END - foreach + } elseif ((getTableType() == 'InnoDB') && (strpos($sql, 'FULLTEXT') !== false)) { + // 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, $L)); + } elseif ($noIndex === false) { + // 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($tableArray[4]), array('INDEX', 'UNIQUE', 'KEY', 'FULLTEXT'))) { + // Init loop + $begin = 1; + $keyName = ','; + while (strpos($keyName, ',') !== false) { + // Use last + $keyName = str_replace('`', '', $tableArray[count($tableArray) - $begin]); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $keyName . '----------------' . $begin); + + // Remove brackes + $keyName = str_replace('(', '', str_replace(')', '', $keyName)); + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $keyName . '----------------' . $begin); + + // Continue + $begin++; + } // END while + } // END - if + + // Shall we run it? + /* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableName=' . $tableName . ', tableArray[3]=' . $tableArray[3] . ',keyName=' . $keyName); + if ((!isSqlTableIndexAdded($tableName, $tableArray[3], $keyName)) && ($tableArray[3] == 'ADD')) { + // Send it to the SQL_QUERY() function to add it + /* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $sql); + $result = SQL_QUERY($sql, $F, $L, $enableCodes); + } elseif ((isSqlTableIndexAdded($tableName, $tableArray[3], $keyName)) && ($tableArray[3] == 'DROP')) { + // Send it to the SQL_QUERY() function to drop it + /* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $sql); + $result = SQL_QUERY($sql, $F, $L, $enableCodes); + } else { + // Not executed + /* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Not executed: ' . $sql); + } + } else { + // Other ALTER TABLE query + //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $sql); + $result = SQL_QUERY($sql, $F, $L, $enableCodes); + } + + // Return result + return $result; +} + +// Getter for SQL link +function SQL_GET_LINK () { + // Init link + $link = null; + + // Is it in the globals? + if (isset($GLOBALS['sql_link'])) { + // Then take it + $link = $GLOBALS['sql_link']; + } // END - if + + // Return it + return $link; +} + +// Setter for link +function SQL_SET_LINK ($link) { + // Is this a resource or null? + if ((ifFatalErrorsDetected()) && (isInstallationPhase())) { + // This may happen in installation phase + return; + } elseif ((!is_resource($link)) && (!is_null($link))) { + // This should never happen! + 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 +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; + } + + // Return the result + return $linkUp; +} + +// Wrapper function to make code more readable +function SQL_HASZERONUMS ($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 config+expression code + $sqlString2 = FILTER_COMPILE_EXPRESSION_CODE(FILTER_COMPILE_CONFIG($sqlString)); + + // Do final compilation + $GLOBALS['sql_strings'][$sqlString] = doFinalCompilation($sqlString2, false, $enableCodes); + //die($sqlString.'
' . 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][$mode] = false; + break; + } + } // END - while + + // Free result + SQL_FREERESULT($result); + } // END - if + + // Return cache + return $GLOBALS[__FUNCTION__][$tableName][$mode]; +} + +// [EOF] ?>