* $Author:: $ *
* -------------------------------------------------------------------- *
* Copyright (c) 2003 - 2009 by Roland Haeder *
- * Copyright (c) 2009, 2010 by Mailer Developer Team *
+ * Copyright (c) 2009 - 2011 by Mailer Developer Team *
* For more information visit: http://www.mxchange.org *
* *
* This program is free software; you can redistribute it and/or modify *
// 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 versions
- $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
$querytimeBefore = microtime(true);
// Set the link resource
SQL_SET_LINK($linkResource);
-
- // Destroy cache
- unset($GLOBALS['is_sql_link_up']);
}
// SQL select database
// Close link
SQL_SET_LINK(null);
- // Destroy cache
- unset($GLOBALS['is_sql_link_up']);
-
// Return the result
return $close;
}
} // 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))) {
+ // 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, $L, false);
// Skip further attempt(s)
break;
- // 1234 5 54 4 5 5 43 34 5 54 4 5 5 43 3 4 4 32 2 21
- } elseif ((((!SQL_HASZERONUMS($result)) && (strpos($sql, 'ADD') !== false)) || ((!SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false)) || (strpos($sql, 'CHANGE') !== false)) && ($columnName != 'KEY')) {
+ // 1234 5 54 4 5 5 43 34 5 54 4 5 5 43 3 4 4 32 2 21
+ } elseif ((((isSqlTableColumnFound($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=' . $idx);
break;
- } elseif ((SQL_HASZERONUMS($result)) && (strpos($sql, 'DROP') !== false)) {
+ } elseif ((!isSqlTableColumnFound($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: ' . $sql . ',hasZeroNums=' . intval(SQL_HASZERONUMS($result)) . '');
+ 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,tableName=%s,hasZeroNums=%d,file=%s,line=%s", $sql, $tableName, intval((is_bool($result)) ? 0 : SQL_HASZERONUMS($result)), $F, $L));
+ } elseif ((getTableType() == 'InnoDB') && (strpos($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
//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'tableArray=<pre>' . print_r($tableArray, true) . '</pre>');
} // 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($result)) {
- // Is it found?
- //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName='.$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 ($skip === false) {
+ if (!isSqlTableIndexAdded($tableName, $tableArray[3], $keyName)) {
// Send it to the SQL_QUERY() function
//* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, $sql);
$result = SQL_QUERY($sql, $F, $L, $enableCodes);
return;
} elseif ((!is_resource($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 $GLOBALS['sql_strings'][$sqlString];
}
+// Check if there is a SQL table created
+function isSqlTableCreated ($tableName) {
+ // Do we have cache?
+ if (!isset($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
+ return $GLOBALS[__FUNCTION__][$tableName];
+}
+
+// Is a table column there?
+function isSqlTableColumnFound ($tableName, $columnName) {
+ // Do we have cache?
+ if (!isset($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
+ return $GLOBALS[__FUNCTION__][$tableName][$columnName];
+}
+
+// Checks depending on the mode if the table is there
+function isSqlTableIndexAdded ($tableName, $mode, $keyName) {
+ // Do we have cache?
+ if (!isset($GLOBALS[__FUNCTION__][$tableName][$mode])) {
+ // 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
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'Going to drop key ' . $keyName);
+ $GLOBALS[__FUNCTION__][$tableName][$mode] = true;
+ } // END - if
+
+ // Walk through all
+ while ($content = SQL_FETCHARRAY($result)) {
+ // Is it found?
+ //* DEBUG: */ logDebugMessage(__FUNCTION__, __LINE__, 'columnName='.$keyName.',content=<pre>' . print_r($content, true) . '</pre>');
+ if (($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]
?>