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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/HBX" style="color: #3b73af; text-decoration: none">Hibernate Tools</a> / <a href="https://hibernate.atlassian.net/browse/HBX-1260" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-90a26129-11e6-4e54-b322-9b7c57490570" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HBX-1260" style="color: #3b73af; text-decoration: none">HBX-1260</a> </td>
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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/HBX-1260" style="color: #3b73af; text-decoration: none">JDBCMetaDataConfiguration should allow fetching of table names only</a> </span> </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">Issue Type:</th>
<td class="has-icon" style="padding: 0px; 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-90a26129-11e6-4e54-b322-9b7c57490570" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom"> Improvement </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: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.1.0.Alpha3, 5.0.0.CR1, 4.3.3.Final </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">Assignee:</th>
<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="koen.aers" id="email_koen.aers" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=koen.aers" style="color:#6c797f;; color: #3b73af; text-decoration: none">Koen Aers</a> </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: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 24/May/2016 05:50 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">Fix Versions:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.0.0.Final, 5.1.0.Beta1, 5.2.0.Alpha1 </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">Priority:</th>
<td class="has-icon" style="padding: 0px; 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-875cc9c8-0df7-461d-8256-85f8fd37b363" 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: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="koen.aers" id="email_koen.aers" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=koen.aers" style="color:#6c797f;; color: #3b73af; text-decoration: none">Koen Aers</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0; margin-top: 0">I have a MySQL DB containing 40 tables. When I call <tt>org.hibernate.cfg.JDBCMetaDataConfiguration.readFromJDBC()</tt> it takes a considerably amount of time (minutes) when all I need are the table names. It seems that this method reads the entire mapping structure for all tables.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This is where I am using it: <a href="https://github.com/forge/core/blob/master/database-tools/impl/src/main/java/org/jboss/forge/addon/database/tools/generate/DatabaseTableSelectionStep.java#L102" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/forge/core/blob/master/database-tools/impl/src/main/java/org/jboss/forge/addon/database/tools/generate/DatabaseTableSelectionStep.java#L102</a>. </p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The <tt>HibernateToolsHelper</tt> class calls <tt>JDBCMetaDataConfiguration.readFromJDBC()</tt> here: <a href="https://github.com/forge/core/blob/master/database-tools/impl/src/main/java/org/jboss/forge/addon/database/tools/util/HibernateToolsHelper.java#L28" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/forge/core/blob/master/database-tools/impl/src/main/java/org/jboss/forge/addon/database/tools/util/HibernateToolsHelper.java#L28</a></p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Can we improve this class to return only the table names and avoid this extra amount of work?</p> </td>
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