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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-8508" style="color: #3b73af; text-decoration: none">Re: org.hibernate.ScrollableResults returns null object if one of the property in composite key of view is null</a> </span>
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<p style="margin: 10px 0 0 0">Create Table:<br /> Test_Table1 with primary key testId1, testId2<br /> Test_Table2 with primary key testId3, testId4 & testid5 as normal column.</p>
<p style="margin: 10px 0 0 0">Create View:<br /> Test_View<br /> select * from Test_Table1 , Test_Table2;</p>
<p style="margin: 10px 0 0 0">Hibernate Mapping for Test_View:<br /> <class name="Testview"<br /> table="Test_View" ><br /> <composite-id name="testviewID" class="TestviewID"><br /> <key-property name="testId1" type="java.lang.String"><br /> <column name="testId1" length="20" /><br /> </key-property><br /> <key-property name="testId2" type="java.lang.String"><br /> <column length="16" name="testId2" /><br /> </key-property><br /> <key-property name="cusipIssueNumber" type="java.lang.String"><br /> <column length="12" name="CUSIP_ISSUE_NUMBER" /><br /> </key-property><br /> <key-property name="testId3" type="java.lang.String"><br /> <column length="1" name="testId3" /><br /> </key-property><br /> <key-property name="testId4" type="java.lang.String"><br /> <column name="testId4" length="10" /><br /> </key-property><br /> <key-property name="testId5" type="java.lang.Long"><br /> <column name="testId5" length="10" /><br /> </key-property><br /> </composite-id></p>
<p style="margin: 10px 0 0 0">Now suppose for one of the record in DB the testId5 is null then using org.hibernate.ScrollableResults to get the data from view.<br /> scrollableResults = criteria.scroll(ScrollMode.FORWARD_ONLY);<br /> returning null element in the result list.<br /> Actual:<br /> Hibernate is loading the row with null object in between the list returned as shown below:<br /> <span class="error">[testObj1, testobj2, null, testobj3]</span><br /> Expected:<br /> HIbernate should ignore that row or it should throw as error.<br /> Let me know if need more information on this.</p>
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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-8508" style="color: #3b73af; text-decoration: none"><img src="https://hibernate.atlassian.net/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-8508" style="color: #3b73af; text-decoration: none">HHH-8508</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-8508" style="color: #3b73af; text-decoration: none"> org.hibernate.ScrollableResults returns null object if one of the property in composite key of view is null</a> </span>
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Create one database view having composite ID (testid1, testid2, testid3, testid4). The view is creating union of the two table data. The testid3 can be nullable in DB. One of the record qualifing in view result is having testid3 as null. <br /> <br /> Map the View using hibernate-mapping file. <br /> <br /> Use org.hibernate.ScrollableResults to get the data from view. <br /> s...
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