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<td class="page-title-pattern-first-line " style="padding: 0; 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-11198" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-be5af933-1d88-4bfc-aaf7-be4ed350e19f" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11198" style="color: #3b73af; text-decoration: none">HHH-11198</a> </td>
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<td style="vertical-align: top;; padding: 0; 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-11198" style="color: #3b73af; text-decoration: none">Hibernate Spatial cannot parse boxes from PostGIS</a> </span> </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-be5af933-1d88-4bfc-aaf7-be4ed350e19f" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Affects Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.2.2 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Components:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate-spatial </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 24/Oct/2016 05:39 AM </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Environment:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Hibernate 5.2.2, PostGIS 2.1 </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-major-0346fb31-6000-457a-ad3e-386eedf37418" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom"> Major </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Reporter:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="Marko Skocibusic" id="email_Marko Skocibusic" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=Marko+Skocibusic" style="color:#6c797f;; color: #3b73af; text-decoration: none">Marko Skočibušić</a> </td>
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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-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">We encountered a problem using the PostGIS function <tt>st_extent</tt> or <tt>extent</tt>. Since version 5 Hibernate Spatial seems to be unable to parse boxes and throws the follwoing error:</p>
<blockquote style="margin: 10px 0 0; border-left: 1px solid #cccccc; color: #707070; margin-left: 19px; padding: 10px 20px">
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">java.lang.NumberFormatException: For input string: "BO"<br> at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)<br> at java.lang.Integer.parseInt(Integer.java:580)<br> at org.geolatte.geom.ByteBuffer.from(ByteBuffer.java:78)<br> at org.hibernate.spatial.dialect.postgis.PGGeometryTypeDescriptor.toGeometry(PGGeometryTypeDescriptor.java:116)<br> at org.hibernate.spatial.dialect.postgis.PGGeometryTypeDescriptor$2.doExtract(PGGeometryTypeDescriptor.java:88)<br> at org.hibernate.type.descriptor.sql.BasicExtractor.extract(BasicExtractor.java:47)<br> at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:258)<br> at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:254)<br> at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:244)<br> at org.hibernate.loader.hql.QueryLoader.getResultRow(QueryLoader.java:453)</p>
</blockquote> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">The 'BO' comes from <tt>BOX(33321440 5979576.8,33321692.8 5979767.2)</tt>. In <tt>PGGeometryTypeDescriptor#toGeometry</tt> it will try to parse the result either as WKT or WKB. As a box is not a valid WKT type it will try to parse it as a WKB. As far as I understand it, we would need a third branch handling boxes specifically.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">In our case we had to re-register the function <tt>extent</tt> as <tt>st_extent</tt> to make it work with PostGIS 2.0. I know that it is not supported by Hibernate Spatial yet, but as the documentation states the return type of <tt>extent</tt> in PostGIS 1.3 is a BOX3D. Therefore this problems seems to be more general to me.<br> The code in question is:</p>
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<b>PGGeometryTypeDescriptor#toGeometry</b>
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<pre class="code-java" 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">public</span> <span class="code-keyword" style="color: #000091">static</span> Geometry toGeometry(<span class="code-object" style="color: #910091">Object</span> object) {
<span class="code-keyword" style="color: #000091">if</span> ( object == <span class="code-keyword" style="color: #000091">null</span> ) {
<span class="code-keyword" style="color: #000091">return</span> <span class="code-keyword" style="color: #000091">null</span>;
}
ByteBuffer buffer = <span class="code-keyword" style="color: #000091">null</span>;
<span class="code-keyword" style="color: #000091">if</span> ( object <span class="code-keyword" style="color: #000091">instanceof</span> PGobject ) {
<span class="code-object" style="color: #910091">String</span> pgValue = ((PGobject) object ).getValue();
<span class="code-keyword" style="color: #000091">if</span> (pgValue.charAt( 0 ) == 'S') { <span class="code-comment" style="color: #808080">// /we have a Wkt value
</span> <span class="code-keyword" style="color: #000091">final</span> WktDecoder decoder = Wkt.newDecoder( Wkt.Dialect.POSTGIS_EWKT_1 );
<span class="code-keyword" style="color: #000091">return</span> decoder.decode(pgValue);
}
<span class="code-keyword" style="color: #000091">else</span> {
buffer = ByteBuffer.from( pgValue );
<span class="code-keyword" style="color: #000091">final</span> WkbDecoder decoder = Wkb.newDecoder( Wkb.Dialect.POSTGIS_EWKB_1 );
<span class="code-keyword" style="color: #000091">return</span> decoder.decode( buffer );
}
}
<span class="code-keyword" style="color: #000091">throw</span> <span class="code-keyword" style="color: #000091">new</span> IllegalStateException( <span class="code-quote" style="color: #009100">"Received object of type "</span> + object.getClass().getCanonicalName() );
}</pre>
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