/**
* Does an optimization cycle for each UPDATE event
* @param string $event
* @param RedBean_OODBBean $bean
*/
public function onEvent($event, $bean)
{
try {
if ($event == "update") {
$arr = $bean->export();
unset($arr["id"]);
if (count($arr) == 0) {
return;
}
$table = $this->adapter->escape($bean->getMeta("type"));
$columns = array_keys($arr);
$column = $this->adapter->escape($columns[array_rand($columns)]);
$value = $arr[$column];
$type = $this->writer->scanType($value);
$fields = $this->writer->getColumns($table);
if (!in_array($column, array_keys($fields))) {
return;
}
$typeInField = $this->writer->code($fields[$column]);
if ($type < $typeInField) {
$type = $this->writer->typeno_sqltype[$type];
$this->adapter->exec("alter table `{$table}` add __test " . $type);
$this->adapter->exec("update `{$table}` set __test=`{$column}`");
$diff = $this->adapter->getCell("select\n\t\t\t\t\t\t\tcount(*) as df from `{$table}` where\n\t\t\t\t\t\t\tstrcmp(`{$column}`,__test) != 0");
if (!$diff) {
$this->adapter->exec("alter table `{$table}` change `{$column}` `{$column}` " . $type);
}
$this->adapter->exec("alter table `{$table}` drop __test");
}
}
} catch (RedBean_Exception_SQL $e) {
//optimizer might make mistakes, dont care..
}
}
/**
* Does an optimization cycle for each UPDATE event.
* @param string $event
* @param RedBean_OODBBean $bean
*/
public function onEvent($event, $bean)
{
try {
if ($event == "update") {
$arr = $bean->export();
unset($arr["id"]);
if (count($arr) == 0) {
return;
}
$table = $this->adapter->escape($bean->getMeta("type"));
$columns = array_keys($arr);
//Select a random column for optimization.
$column = $this->adapter->escape($columns[array_rand($columns)]);
$value = $arr[$column];
$type = $this->writer->scanType($value);
$fields = $this->writer->getColumns($table);
if (!in_array($column, array_keys($fields))) {
return;
}
$typeInField = $this->writer->code($fields[$column]);
//Is the type too wide?
if ($type < $typeInField) {
try {
@$this->adapter->exec("alter table `{$table}` drop __test");
} catch (Exception $e) {
}
//Try to re-fit the entire column; by testing it.
$type = $this->writer->typeno_sqltype[$type];
//Add a test column.
@$this->adapter->exec("alter table `{$table}` add __test " . $type);
//Copy the values and see if there are differences.
@$this->adapter->exec("update `{$table}` set __test=`{$column}`");
$diff = $this->adapter->getCell("select\n\t\t\t\t\t\t\tcount(*) as df from `{$table}` where\n\t\t\t\t\t\t\tstrcmp(`{$column}`,__test) != 0");
if (!$diff) {
//No differences; shrink column.
@$this->adapter->exec("alter table `{$table}` change `{$column}` `{$column}` " . $type);
}
//Throw away test column; we don't need it anymore!
@$this->adapter->exec("alter table `{$table}` drop __test");
} else {
$this->MySQLSpecificColumns($table, $column, $fields[$column], $value);
}
}
} catch (RedBean_Exception_SQL $e) {
//optimizer might make mistakes, don't care.
//echo $e->getMessage()."<br>";
}
}
public function getIDField($type)
{
FlexiLogger::debug(__METHOD__, "Getting id: " . $type);
if (isset(FlexiModelUtil::$aTableId[$type])) {
FlexiLogger::debug(__METHOD__, "Is set: " . FlexiModelUtil::$aTableId[$type]);
return FlexiModelUtil::$aTableId[$type];
}
return parent::getIDField($type);
}
public function getIDField($type)
{
if (gettype($type) != "string") {
throw new FlexiException("Type must be string: " . gettype($type), ERROR_UNKNOWNTYPE);
}
FlexiLogger::debug(__METHOD__, "Getting id: " . $type);
if (isset(FlexiModelUtil::$aTableId[$type])) {
//FlexiLogger::info(__METHOD__, "Is set: " . FlexiModelUtil::$aTableId[$type]);
return FlexiModelUtil::$aTableId[$type];
}
return parent::getIDField($type);
}
/**
* Selects a record based on type and id.
* @param string $type
* @param integer $id
* @return array $row
*/
public function selectRecord($type, $ids)
{
$rows = parent::selectRecord($type, $ids);
if ($rows) {
foreach ($rows as $key => $row) {
foreach ($row as $k => $cell) {
if ($cell == "") {
unset($rows[$key][$k]);
}
}
}
}
return $rows;
}
/**
* Tries to convert columns to MySQL specific types like:
* datetime, ENUM etc. This method is called automatically for you and
* works completely in the background. You can however if you like trigger
* this method by invoking it directly.
* @param string $table
* @param string $column
* @param string $columnType
* @param string $value
*/
public function MySQLSpecificColumns($table, $column, $columnType, $value)
{
//$this->adapter->getDatabase()->setDebugMode(1);
$table = $this->adapter->escape($table);
$column = $this->adapter->escape($column);
//Is column already datetime?
if ($columnType != "datetime") {
$pattern = "/^([0-9]{2,4})-([0-1][0-9])-([0-3][0-9]) (?:([0-2][0-9]):([0-5][0-9]):([0-5][0-9]))?\$/";
if (preg_match($pattern, $value)) {
//Ok, value is datetime, can we convert the column to support this?
$cnt = (int) $this->adapter->getCell("select count(*) as n from {$table} where\n\t\t\t\t\t{$column} regexp '[0-9]{4}-[0-1][0-9]-[0-3][0-9] [0-2][0-9]:[0-5][0-9]:[0-5][0-9]'\n\t\t\t\t");
$total = (int) $this->adapter->getCell("SELECT count(*) FROM " . $this->writer->noKW($table));
//Is it safe to convert: ie are all values compatible?
if ($total === $cnt) {
//yes
$this->adapter->exec("ALTER TABLE " . $this->writer->noKW($table) . " change " . $this->writer->noKW($column) . " " . $this->writer->noKW($column) . " datetime ");
}
}
}
}
/**
* Do everything that needs to be done to format a table name.
* @param string $name of table
* @return string table name
*/
public function safeTable($name, $noQuotes = false)
{
assert('is_string($name)');
return parent::safeTable(strtolower($name), $noQuotes);
}
/**
* Tries to convert columns to MySQL specific types like:
* datetime, ENUM etc. This method is called automatically for you and
* works completely in the background. You can however if you like trigger
* this method by invoking it directly.
* @param string $table
* @param string $column
* @param string $columnType
* @param string $value
*/
public function MySQLSpecificColumns($table, $column, $columnType, $value)
{
$table = $this->adapter->escape($table);
$column = $this->adapter->escape($column);
if ($columnType != "datetime") {
$pattern = "/^([0-9]{2,4})-([0-1][0-9])-([0-3][0-9]) (?:([0-2][0-9]):([0-5][0-9]):([0-5][0-9]))?\$/";
if (preg_match($pattern, $value)) {
$cnt = (int) $this->adapter->getCell("select count(*) as n from {$table} where\n\t\t\t\t\t\t {$column} regexp '[0-9]{4}-[0-1][0-9]-[0-3][0-9] [0-2][0-9]:[0-5][0-9]:[0-5][0-9]'\n\t\t\t\t\t\t ");
$total = (int) $this->adapter->getCell("SELECT count(*) FROM " . $this->writer->noKW($table));
if ($total === $cnt) {
$this->adapter->exec("ALTER TABLE " . $this->writer->noKW($table) . " change " . $this->writer->noKW($column) . " " . $this->writer->noKW($column) . " datetime ");
}
}
}
}
public function __construct($adapter, $prefix)
{
$this->setPrefix($prefix);
return parent::__construct($adapter);
}
