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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin: 10px 0 0; margin-top: 0">As i expected the query </p>
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<span class="error">Unable to find source-code formatter for language: jpql.</span> Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
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<pre style="margin: 10px 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">from Child c where c.parent is <span class="code-keyword" style="color: #000091">null</span></pre>
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</div> <p style="margin: 10px 0 0"> works perfectly fine and generates the following SQL</p>
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<pre class="code-sql" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">select</span>
child0_.id <span class="code-keyword" style="color: #000091">as</span> id1_0_,
child0_.parent_id <span class="code-keyword" style="color: #000091">as</span> parent_i2_0_
<span class="code-keyword" style="color: #000091">from</span>
Child child0_
<span class="code-keyword" style="color: #000091">where</span>
child0_.parent_id <span class="code-keyword" style="color: #000091">is</span> <span class="code-keyword" style="color: #000091">null</span>
</pre>
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</div> <p style="margin: 10px 0 0">This is clearly not an implicit join, therefor </p>
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<div class="error">
<span class="error">Unable to find source-code formatter for language: jpql.</span> Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
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<pre style="margin: 10px 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">from Parent p where p.child is <span class="code-keyword" style="color: #000091">null</span></pre>
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</div> <p style="margin: 10px 0 0"> should not be an implicit join either and should generate the exact same SQL as the query </p>
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<div class="error">
<span class="error">Unable to find source-code formatter for language: jpql.</span> Available languages are: actionscript, ada, applescript, bash, c, c#, c++, cpp, css, erlang, go, groovy, haskell, html, java, javascript, js, json, lua, none, nyan, objc, perl, php, python, r, rainbow, ruby, scala, sh, sql, swift, visualbasic, xml, yaml
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<pre style="margin: 10px 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">from Parent p where p.children is empty</pre>
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</div> <p style="margin: 10px 0 0"> would for a one-to-many relation:</p>
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<pre class="code-sql" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">select</span>
parent0_.id <span class="code-keyword" style="color: #000091">as</span> id1_1_
<span class="code-keyword" style="color: #000091">from</span>
Parent parent0_
<span class="code-keyword" style="color: #000091">where</span>
<span class="code-keyword" style="color: #000091">not</span> (<span class="code-keyword" style="color: #000091">exists</span> (<span class="code-keyword" style="color: #000091">select</span>
child1_.id
<span class="code-keyword" style="color: #000091">from</span>
Child child1_
<span class="code-keyword" style="color: #000091">where</span>
parent0_.id=child1_.parent_id))
</pre>
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