vpruthi/doc-exports
1
0
Fork 0
forked from docs/doc-exports
Code Pull Requests Activity
doc-exports/docs/dws/tool/dws_07_6817.html
Lu, Huayi 27019c2991 DWS TOOL 830.201 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-05-16 07:35:25 +00:00

157 lines
24 KiB
HTML
Raw Blame History

<a name="EN-US_TOPIC_0000001819416317"></a><a name="EN-US_TOPIC_0000001819416317"></a>
<h1 class="topictitle1">Supplemental Log Data</h1>
<div id="body8662426"><p id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_p137111735715">Supplemental columns can be recorded in redo log files. The process of recording these additional columns is called supplemental logging. Oracle supports this function, but <span id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_text1179318491394">GaussDB(DWS)</span> does not.</p>
<p id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_en-us_topic_0238226702_en-us_topic_0221101043_en-us_topic_0202727315_p119585584112"><strong id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0237712543_b32523584139">Input</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_en-us_topic_0238226702_en-us_topic_0221101043_en-us_topic_0202727315_screen0936013134117"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal"> 1</span>
<span class="normal"> 2</span>
<span class="normal"> 3</span>
<span class="normal"> 4</span>
<span class="normal"> 5</span>
<span class="normal"> 6</span>
<span class="normal"> 7</span>
<span class="normal"> 8</span>
<span class="normal"> 9</span>
<span class="normal">10</span>
<span class="normal">11</span>
<span class="normal">12</span>
<span class="normal">13</span>
<span class="normal">14</span>
<span class="normal">15</span>
<span class="normal">16</span>
<span class="normal">17</span>
<span class="normal">18</span>
<span class="normal">19</span>
<span class="normal">20</span>
<span class="normal">21</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">sad</span><span class="p">.</span><span class="n">fnd_lookup_values_t</span>
<span class="w"> </span><span class="p">(</span>
<span class="w"> </span><span class="n">lookup_code_id</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">lookup_code</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">40</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">meaning</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">100</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">other_meaning</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">100</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">order_by_no</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">start_time</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="n">SYSDATE</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">end_time</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">enable_flag</span><span class="w"> </span><span class="nb">CHAR</span><span class="p">(</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="s1">'Y'</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">disable_date</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">created_by</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="mi">15</span><span class="w"> </span><span class="p">,</span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">creation_date</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">last_updated_by</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="mi">15</span><span class="w"> </span><span class="p">,</span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">last_update_date</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">last_update_login</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="mi">15</span><span class="w"> </span><span class="p">,</span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">description</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">500</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">lookup_type_id</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">attribute4</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">250</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">supplemental</span><span class="w"> </span><span class="n">log</span><span class="w"> </span><span class="k">data</span><span class="w"> </span><span class="p">(</span><span class="k">ALL</span><span class="p">)</span><span class="w"> </span><span class="n">COLUMNS</span>
<span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_p16512238118"><strong id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0237712543_b103669386142">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_screen2322152513113"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal"> 1</span>
<span class="normal"> 2</span>
<span class="normal"> 3</span>
<span class="normal"> 4</span>
<span class="normal"> 5</span>
<span class="normal"> 6</span>
<span class="normal"> 7</span>
<span class="normal"> 8</span>
<span class="normal"> 9</span>
<span class="normal">10</span>
<span class="normal">11</span>
<span class="normal">12</span>
<span class="normal">13</span>
<span class="normal">14</span>
<span class="normal">15</span>
<span class="normal">16</span>
<span class="normal">17</span>
<span class="normal">18</span>
<span class="normal">19</span>
<span class="normal">20</span>
<span class="normal">21</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">sad</span><span class="p">.</span><span class="n">fnd_lookup_values_t</span>
<span class="w"> </span><span class="p">(</span>
<span class="w"> </span><span class="n">lookup_code_id</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">lookup_code</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">40</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">meaning</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">100</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">other_meaning</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">100</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">order_by_no</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">start_time</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="n">SYSDATE</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">end_time</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">enable_flag</span><span class="w"> </span><span class="nb">CHAR</span><span class="p">(</span><span class="w"> </span><span class="mi">1</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="s1">'Y'</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">disable_date</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">created_by</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="mi">15</span><span class="w"> </span><span class="p">,</span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">creation_date</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">last_updated_by</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="mi">15</span><span class="w"> </span><span class="p">,</span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">last_update_date</span><span class="w"> </span><span class="nb">DATE</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">last_update_login</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="mi">15</span><span class="w"> </span><span class="p">,</span><span class="mi">0</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="mi">0</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">description</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">500</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">lookup_type_id</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="cm">/* ENABLE */</span>
<span class="w"> </span><span class="p">,</span><span class="n">attribute4</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">250</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="cm">/* ,supplemental log data (ALL) COLUMNS */</span>
<span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<div class="note" id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_note1011910512116"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_p31201251619">The <strong id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_b37021149134420">SUPPLEMENTAL LOG DATA</strong> functions that are not supported by GaussDB need to be commented out.</p>
</div></div>
<p id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_p8105321145819"><strong id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_b20381197459">SUPPLEMENTAL LOG DATA</strong> is not supported by <strong id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_b10276132954520">CREATE TABLE</strong> and needs to be commented out.</p>
<p id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_p7456164714110"><strong id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0237712543_b121270164211">Input</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_screen0936013134117"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal"> 1</span>
<span class="normal"> 2</span>
<span class="normal"> 3</span>
<span class="normal"> 4</span>
<span class="normal"> 5</span>
<span class="normal"> 6</span>
<span class="normal"> 7</span>
<span class="normal"> 8</span>
<span class="normal"> 9</span>
<span class="normal">10</span>
<span class="normal">11</span></pre></div></td><td class="code"><div><pre><span></span><span class="w"> </span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">SAD</span><span class="p">.</span><span class="n">FND_DATA_CHANGE_LOGS_T</span>
<span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">LOGID</span><span class="w"> </span><span class="nb">NUMBER</span><span class="p">,</span>
<span class="w"> </span><span class="k">TABLE_NAME</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">40</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="n">ENABLE</span><span class="p">,</span>
<span class="w"> </span><span class="n">TABLE_KEY_COLUMNS</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">200</span><span class="p">),</span>
<span class="w"> </span><span class="n">TABLE_KEY_VALUES</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">200</span><span class="p">),</span>
<span class="w"> </span><span class="k">COLUMN_NAME</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">40</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="n">ENABLE</span><span class="p">,</span>
<span class="w"> </span><span class="n">COLUMN_CHANGE_FROM_VALUE</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">200</span><span class="p">),</span>
<span class="w"> </span><span class="n">COLUMN_CHANGE_TO_VALUE</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">200</span><span class="p">),</span>
<span class="w"> </span><span class="n">DESCRIPTION</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">500</span><span class="p">),</span>
<span class="w"> </span><span class="n">SUPPLEMENTAL</span><span class="w"> </span><span class="n">LOG</span><span class="w"> </span><span class="k">DATA</span><span class="w"> </span><span class="p">(</span><span class="k">ALL</span><span class="p">)</span><span class="w"> </span><span class="n">COLUMNS</span>
<span class="w"> </span><span class="p">);</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_en-us_topic_0238226702_en-us_topic_0221101043_en-us_topic_0202727315_p124641028134110"><strong id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0237712543_b1521944915411">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001819416317__en-us_topic_0000001706224249_en-us_topic_0238518380_en-us_topic_0238226702_en-us_topic_0221101043_en-us_topic_0202727315_screen30439663"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal"> 1</span>
<span class="normal"> 2</span>
<span class="normal"> 3</span>
<span class="normal"> 4</span>
<span class="normal"> 5</span>
<span class="normal"> 6</span>
<span class="normal"> 7</span>
<span class="normal"> 8</span>
<span class="normal"> 9</span>
<span class="normal">10</span>
<span class="normal">11</span>
<span class="normal">12</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">sad</span><span class="p">.</span><span class="n">fnd_data_change_logs_t</span><span class="w"> </span>
<span class="w"> </span><span class="p">(</span><span class="w"> </span>
<span class="w"> </span><span class="n">logid</span><span class="w"> </span><span class="nb">NUMBER</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="k">table_name</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">40</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">table_key_columns</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
<span class="w"> </span><span class="p">,</span><span class="n">table_key_values</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">200</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="k">column_name</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">40</span><span class="p">)</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">NULL</span><span class="w"> </span><span class="cm">/* ENABLE */</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">column_change_from_value</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">200</span><span class="p">)</span>
<span class="w"> </span><span class="p">,</span><span class="n">column_change_to_value</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">200</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="p">,</span><span class="n">description</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="w"> </span><span class="p">(</span><span class="mi">500</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="cm">/*, SUPPLEMENTAL LOG DATA (ALL) COLUMNS*/</span><span class="w"> </span>
<span class="w"> </span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_mt_0104.html">Oracle Syntax Migration</a></div>
</div>
</div>
View Git Blame Copy Permalink