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5417601
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0
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2
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2011-03-24T10:16:57.307
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2011-03-24T10:22:51.690
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2011-03-24T10:22:51.690
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5417572
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2
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text
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In Doctrine 1.x I've overridden the <code>isValid()</code> method on the concrete <code>Doctrine_Record</code> (here, <code>LineItem</code>): <pre><code>public function isValid($deep = false, $hooks = true) { $q = Doctrine_Query::create() ->select('co.uid') ->from('Company co') ->leftJoin('co.workers w') ->leftJoin('co.customers cust') ->leftJoin('cust.workCases wc') ->where('w.uid = ?', $this->_workerUid) // This LineItem's Worker must _always_ have the same Company as this LineItem (through LineItem -> WorkCase -> Customer -> Company) ->andWhere('wc.state = ?', WorkCase::STATE_OPEN) // This LineItem's WorkCase must be open ->andWhere('wc.uid = ?', $this->_caseUid); $company = $q->fetchOne(); return $company !== false && parent::isValid($deep, $hooks); } </code></pre> There are a few things to note here: <ol> <li>I'm trying to fetch the <code>Company</code> based on some criteria (amongst others, the <code>state</code> must be "open"). The end result depends on whether I find a company that satisfies these criteria (<code>$company !== false</code>)</li> <li><code>isValid()</code> is overriding a deeper implementation. Always make the end result dependent on <code>parent::isValid($deep, $hooks)</code> (we must be certain that the original implementation is also happy).</li> <li>You could probably make the "fetch company record" simpler in your case.</li> </ol>
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1. POdoctrine deny updates on related records from the main record
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1. USjensgram
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1. USjensgram
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1. CONice, but now I have problem of performances. My InvoiceItems could be hundreds and I cannot do hundreds of queries before saving the Invoice. Am I right or am I missing something?
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 USgiorgio
2. CO@giorgio Well, in order to maintain consistency, you cannot fetch the state of `Invoice` beforehand (at least not *too* long before). Therefore, some form of query is necessary before each change to `InvoiceItem` s.
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Querying!

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A row detail

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