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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-9951" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-2fe15b40-3d0e-4d7d-bad1-5d5aec8d2294" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9951" style="color: #3b73af; text-decoration: none">HHH-9951</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-9951" style="color: #3b73af; text-decoration: none">Formula annotation doesn't properly escape keywords/types</a> </span>
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hibernate-core
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18/Jul/2015 18:48 PM
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="michael.hum" id="email_michael.hum" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=michael.hum" style="color:#6c797f;; color: #3b73af; text-decoration: none">Michael Hum</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">When using the formula annotation, there are a number of potential uses that result in correct sql being generated.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">1. Using a (valid) keyword may not be escaped properly. For example, the following sql is valid with oracle, but is escaped incorrectly:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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@Formula(<span class="code-quote" style="color: #009100">"CAST(CODE AS INTEGER)"</span>)
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">which results in:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
CAST(this_.CODE AS this_.INTEGER)
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Integers are registered by hibernate as number(10,0) with oracle dialect (what I used to test), so it isn't recognized as a valid type/keyword. This can be fixed by registering the keyword with the dialect being used, which I believe has actually been recommended in the past (HH-2967). However, that also opens the possibility of misleading behaviour, since the tokens compared are lower-case, always. So, if the user registers "INTEGER" and uses "INTEGER" in their query, it would still be escaped incorrectly. </p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">2. Registered column types for a given dialect also aren't being escaped properly, example:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Formula(<span class="code-quote" style="color: #009100">"CAST(CODE AS FLOAT)"</span>)
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">results again in:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
CAST(this_.CODE AS this_.FLOAT)
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I would like to propose the following as potential fixes/improvements:</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">1. Custom keywords are always registered as lower-case, to keep in line with how keywords/functions/types are stored/compared.<br /> 2. Column types are also checked when determining the need to escape tokens. </p>
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