protected function makeResrictionForAsscotion(array &$arrDataRow, $sFromTableName = null, array $arrFromKeys, $sToTableName = null, array $arrToKeys)
{
$aRestriction = new Restriction();
foreach ($arrFromKeys as $nIdx => $sFromKey) {
if ($sFromTableName) {
$sFromKey = $sFromTableName . '.' . $sFromKey;
}
$aRestriction->expression(array(SQL::createRawColumn($sToTableName, $arrToKeys[$nIdx]), '=', SQL::transValue($arrDataRow[$sFromKey])), true, true);
}
return $aRestriction;
}
public function setData($sColumnName, $value = null, $bValueExpr = false)
{
list($sTableName, $sColumnName) = SQL::splitColumn($sColumnName);
$arrRawSet =& $this->rawClause(SQL::CLAUSE_SET);
if (!isset($arrRawSet['subtree'][$sColumnName]) and !empty($arrRawSet['subtree'])) {
$arrRawSet['subtree'][] = ',';
}
$arrRawSet['subtree'][$sColumnName] = array('expr_type' => 'assignment', 'pretree' => array(SQL::createRawColumn($sTableName, $sColumnName), '='));
if ($bValueExpr) {
$arrRawSet['subtree'][$sColumnName]['subtree'] =& SQL::parseSql($value, 'values', true);
} else {
$arrRawSet['subtree'][$sColumnName]['subtree'] = array(SQL::transValue($value));
}
}
public function execute(DB $aDB, Model $aModel)
{
$aPrototype = $aModel->prototype();
$aDelete = new Delete($aPrototype->tableName());
// 设置limit
$aDelete->criteria()->setLimit(1);
// delete 当前model
foreach ($aPrototype->keys() as $sClmName) {
if ($aModel->changed($sClmName)) {
//主键发生修改
throw new ORMException('org\\jecat\\framework\\mvc\\model\\db\\orm\\Updater : Key 有修改，无法进行Delete操作');
} else {
//用主键作为查询条件
$aDelete->criteria()->where()->expression(array(SQL::createRawColumn(null, $sClmName), '=', SQL::transValue($aModel->data($sClmName))), true, true);
}
}
$aDB->execute($aDelete);
// 仅delete hasAndBelongsTo的桥表
foreach ($aPrototype->associations() as $aAssociation) {
$aAssociatedModel = $aModel->child($aAssociation->name());
if (!$aAssociatedModel) {
continue;
}
switch ($aAssociation->type()) {
case Association::hasOne:
$this->setAssociatedModelData($aModel, $aAssociatedModel, $aAssociation->fromKeys(), $aAssociation->toKeys());
if (!$aAssociatedModel->delete()) {
return false;
}
break;
case Association::belongsTo:
// nothing todo ...
break;
case Association::hasMany:
$this->setAssociatedModelData($aModel, $aAssociatedModel, $aAssociation->fromKeys(), $aAssociation->toKeys());
if (!$aAssociatedModel->delete()) {
return false;
}
break;
case Association::hasAndBelongsToMany:
// delete bridge table
foreach ($aAssociatedModel->childIterator() as $aOneChildModel) {
$this->deleteBridge($aDB, $aAssociation, $aModel, $aOneChildModel);
}
break;
}
}
return true;
}
private static function &makeResrictionForForeignKey($sFromTableName = null, $sToTableName = null, array &$arrFromKeys, array &$arrToKeys, array &$arrConditions = null)
{
$arrTokens = array('ON', '(');
foreach ($arrFromKeys as $nIdx => $sFromKey) {
if ($nIdx) {
$arrTokens[] = 'AND';
}
$arrTokens[] = SQL::createRawColumn($sFromTableName, $sFromKey);
$arrTokens[] = '=';
$arrTokens[] = SQL::createRawColumn($sToTableName, $arrToKeys[$nIdx]);
}
if ($arrConditions) {
$arrTokens[] = 'AND';
$arrTokens[] = $arrConditions;
}
$arrTokens[] = ')';
return $arrTokens;
}
public function execute(DB $aDB, Model $aModel)
{
$aPrototype = $aModel->prototype();
$aUpdate = $aPrototype->sharedStatementUpdate();
// 从 belongs to model 中设置外键值
foreach ($aPrototype->associations() as $aAssociation) {
if ($aAssociation->isType(Association::belongsTo)) {
if (!($aAssociatedModel = $aModel->child($aAssociation->name()))) {
continue;
}
if (!$aAssociatedModel->save()) {
return false;
}
$this->setAssociatedModelData($aAssociatedModel, $aModel, $aAssociation->toKeys(), $aAssociation->fromKeys());
}
}
// 产生一个criteria并设置给$aUpdate
//$aCriteria = StatementFactory::singleton()->createCriteria() ;
//$aUpdate->setCriteria($aCriteria);
// 处理主键
$aUpdate->where()->clear();
foreach ($aPrototype->keys() as $sKey) {
//主键发生修改
if ($aModel->changed($sKey)) {
throw new ORMException('org\\jecat\\framework\\mvc\\model\\db\\orm\\Updater : Key 有修改，无法进行Update操作');
} else {
$aUpdate->where()->expression(array(SQL::createRawColumn(null, $sKey), '=', SQL::transValue($aModel->data($sKey))), true, true);
}
}
$aUpdate->clearData();
$bFlagChanged = false;
//当前表是否有修改
foreach ($aPrototype->columns() as $sClmName) {
//只update发生修改的项
if ($aModel->changed($sClmName)) {
$aUpdate->setData($sClmName, $aModel->data($sClmName), false);
$bFlagChanged = true;
}
}
//只有当有修改的时候才发生更新
if ($bFlagChanged) {
$aDB->execute($aUpdate);
}
// update关联model
foreach ($aPrototype->associations() as $aAssociation) {
$aAssociatedModel = $aModel->child($aAssociation->name());
if (!$aAssociatedModel) {
continue;
}
switch ($aAssociation->type()) {
case Association::hasOne:
$this->setAssociatedModelData($aModel, $aAssociatedModel, $aAssociation->fromKeys(), $aAssociation->toKeys());
if (!$aAssociatedModel->save()) {
return false;
}
break;
case Association::belongsTo:
// nothing todo ...
break;
case Association::hasMany:
$this->setAssociatedModelData($aModel, $aAssociatedModel, $aAssociation->fromKeys(), $aAssociation->toKeys());
if (!$aAssociatedModel->save()) {
return false;
}
break;
case Association::hasAndBelongsToMany:
if (!$aAssociatedModel->save()) {
return false;
}
// update bridge table
foreach ($aAssociatedModel->childIterator() as $aOneChildModel) {
$this->buildBridge($aDB, $aAssociation, $aModel, $aOneChildModel);
}
break;
}
}
return true;
}
public static function buildRestriction(Prototype $aPrototype, $values = null, $keys = null)
{
if ($values === null) {
return null;
}
$keys = $keys ? (array) $keys : $aPrototype->keys();
if ($values instanceof Restriction) {
return $values;
} else {
$aRestriction = new Restriction();
$sSqlTableAlias = $aPrototype->sqlTableAlias();
$values = array_values((array) $values);
foreach ($keys as $nIdx => $sKey) {
list($sTable, $sColumn) = SQL::splitColumn($sKey);
$aRestriction->expression(array(SQL::createRawColumn($sTable, $sColumn), '=', SQL::transValue($values[$nIdx])), true, true);
}
return $aRestriction;
}
}
