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<h1> <a id="purpose" class="anchor" href="#purpose" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Purpose</h1>
<p>Library to discover the journal for a schema and process the journal entries</p>
<h1> <a id="downstream-projects" class="anchor" href="#downstream-projects" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Downstream projects</h1>
<p><a href="https://bitbucket.org/jhc-systems/debezium-connector-as400/" rel="nofollow">https://bitbucket.org/jhc-systems/debezium-connector-as400/</a></p>
<h1> <a id="no-journal-entries-found-check-journalling-is-enabled-and-set-to-both" class="anchor" href="#no-journal-entries-found-check-journalling-is-enabled-and-set-to-both" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>No journal entries found check journalling is enabled and set to *BOTH</h1>
<p><code>dspfd FINACC</code></p>
<pre><code> File is currently journaled . . . . . . . . : Yes
Current or last journal . . . . . . . . . . : FIGJRN
Library . . . . . . . . . . . . . . . . . : F63QULDVES
Journal images . . . . . . . . . . . . . . : IMAGES *BOTH
</code></pre>
<h1> <a id="permissions" class="anchor" href="#permissions" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Permissions</h1>
<p><a href="https://www.ibm.com/docs/en/i/7.4?topic=commands-journal" rel="nofollow">https://www.ibm.com/docs/en/i/7.4?topic=commands-journal</a></p>
<p>Will need at least the authorities described for RTVJRNE.</p>
<table>
<thead>
<tr>
<th>Command For object</th>
<th>Referenced object For library</th>
<th>Authority needed or directory</th>
</tr>
</thead>
<tbody>
<tr>
<td>RTVJRNE</td>
<td>Journal</td>
<td>*USE</td>
</tr>
<tr>
<td>RTVJRNE</td>
<td>Journal if FILE(*ALLFILE) is specified, no object selection is specified, the specified object has been deleted from the system, the specified object has never been journaled, *IGNFILSLT or *IGNOBJSLT is specified for any selected journal codes, or when OBJJID is specified, or the journal is a remote journal.</td>
<td>*OBJEXIST, *USE *EXECUTE</td>
</tr>
<tr>
<td>RTVJRNE</td>
<td>Journal receiver</td>
<td>*USE *EXECUTE</td>
</tr>
<tr>
<td>RTVJRNE</td>
<td>Nonintegrated file system object if specified</td>
<td>*USE *EXECUTE</td>
</tr>
<tr>
<td>RTVJRNE</td>
<td>Integrated file system object if specified</td>
<td>*R (It can be *X as well if object is a directory and SUBTREE (*ALL) is specified)</td>
</tr>
</tbody>
</table>
<h1> <a id="debugging" class="anchor" href="#debugging" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Debugging</h1>
<p>use table query to investigate journal entries</p>
<p>see: <a href="https://www.ibm.com/docs/en/i/7.4?topic=services-display-journal-table-function" rel="nofollow">https://www.ibm.com/docs/en/i/7.4?topic=services-display-journal-table-function</a> and <a href="https://dawnmayi.com/2010/11/23/using-sql-to-interrogate-journal-objects/" rel="nofollow">https://dawnmayi.com/2010/11/23/using-sql-to-interrogate-journal-objects/</a></p>
<pre><code>select * from table (Display_Journal(
'F63QULDVES', 'FIGJRN', -- Journal library and name
' ','*CURCHAIN', -- Receiver library and name
CAST('2021-09-29-14.01.15.000000' as TIMESTAMP), -- Starting timestamp
CAST(null as DECIMAL(21,0)), -- Starting sequence number
'', -- Journal codes
'', 0, -- Journal entries
'','', -- Object library, Object name
'','', -- Object type, Object member
'', -- User
'', -- Job
'' -- Program
) ) as x;
</code></pre>
<h1> <a id="todo" class="anchor" href="#todo" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>TODO</h1>
<p>Improved way of fetching the journal information</p>
<p><a href="https://www.ibm.com/docs/en/i/7.4?topic=ssw_ibm_i_74/apis/qlirlibd.htm" rel="nofollow">https://www.ibm.com/docs/en/i/7.4?topic=ssw_ibm_i_74/apis/qlirlibd.htm</a></p>
<p>That API is actually a program. You can still call it, but the mechanism is slightly different in JTOpen The program name is QLIRLIBD The library is likely QSYS, but *LIBL should work</p>
<h1> <a id="limitations" class="anchor" href="#limitations" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Limitations</h1>
<p>Can only decode the journal data if the table structure is currenlty the same</p>
<p>Unable to decode table structure chages as they are not documented</p>
<p>When the library is pointing to the wrong journal, it can be fixed with:</p>
<pre><code>STRJRNLIB LIB(<library>) JRN(<journal)
</code></pre>
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