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<h1 id="data-controller-for-sas-dq-validations">Data Controller for SAS® - DQ Validations<a class="headerlink" href="#data-controller-for-sas-dq-validations" title="Permanent link">&para;</a></h1>
<h2 id="overview">Overview<a class="headerlink" href="#overview" title="Permanent link">&para;</a></h2>
<p>Quality in, Quality out! Data Controller lets you enforce quality checks at the point of data entry, both directly via the web interface and also via Excel uploads.</p>
<h2 id="default-checks">Default Checks<a class="headerlink" href="#default-checks" title="Permanent link">&para;</a></h2>
<p>By default, the following frontend rules are always applied:</p>
<ul>
<li>Length checking per target table variable lengths</li>
<li>Type checking per target table datatypes (Character, Numeric, Date, Time, Datetime)</li>
<li>Not Null check per target table constraints</li>
<li>Primary Key checking per business key defined in MPE_TABLES</li>
</ul>
<p>It is possible to configure a number of other rules by updating the MPE_VALIDATIONS table. Simply set the <code>BASE_LIB</code>, <code>BASE_DS</code> and <code>BASE_COL</code> values, and ensure <code>RULE_ACTIVE=1</code> for it to be applied.</p>
<h2 id="configurable-checks">Configurable Checks<a class="headerlink" href="#configurable-checks" title="Permanent link">&para;</a></h2>
<p>Check back frequently as we plan to keep growing this list of checks.</p>
<table>
<thead>
<tr>
<th>Rule Type</th>
<th>Example Value</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>CASE</td>
<td>UPCASE</td>
<td>Will enforce the case of cell values. Valid values: UPCASE, LOWCASE, PROPCASE</td>
</tr>
<tr>
<td>NOTNULL</td>
<td>(defaultval)</td>
<td>Will prevent submission if null values are present. Optional - provide a default value.</td>
</tr>
<tr>
<td>MINVAL</td>
<td>1</td>
<td>Defines a minimum value for a numeric cell</td>
</tr>
<tr>
<td>MAXVAL</td>
<td>1000000</td>
<td>Defines a maximum value for a numeric cell</td>
</tr>
<tr>
<td>HARDSELECT</td>
<td>sashelp.class.name</td>
<td>A distinct list of values (max 1000) are taken from this library.member.column reference, and the value <strong>must</strong> be in this list. This list may be supplemented by entries in the MPE_SELECTBOX table.</td>
</tr>
<tr>
<td>SOFTSELECT</td>
<td>dcdemo.mpe_tables.libref</td>
<td>A distinct list of values (max 1000) are taken from this library.member.column reference, and the user-provided value may (or may not) be in this list. This list may be supplemented by entries in the MPE_SELECTBOX table.</td>
</tr>
<tr>
<td><a href="/dynamic-cell-dropdown">HARDSELECT_HOOK</a></td>
<td>/logical/folder/stpname</td>
<td>A SAS service (STP or Viya Job) or a path to a SAS program on the filesystem. User provided values <strong>must</strong> be in this list. Cannot be used alongside a SOFTSELECT_HOOK.</td>
</tr>
<tr>
<td><a href="/dynamic-cell-dropdown">SOFTSELECT_HOOK</a></td>
<td>/physical/path/program.sas</td>
<td>A SAS service (STP or Viya Job) or a path to a SAS program on the filesystem. User-provided values may (or may not) be in this list. Cannot be used alongside a HARDSELECT_HOOK.</td>
</tr>
</tbody>
</table>
<h2 id="dropdowns">Dropdowns<a class="headerlink" href="#dropdowns" title="Permanent link">&para;</a></h2>
<p>There are now actually FIVE places where you can configure dropdowns!</p>
<ol>
<li>The <a href="/dcc-selectbox/">MPE_SELECTBOX</a> table</li>
<li>The HARDSELECT validation (library.member.column reference)</li>
<li>The SOFTSELECT validation (library.member.column reference)</li>
<li>The HARDSELECT_HOOK validation (SAS Program)</li>
<li>The SOFTSELECT_HOOK validation (SAS Program)</li>
</ol>
<p>How do these inter-operate?</p>
<p>Well - if you have values in MPE_SELECTBOX and/or HARDSELECT / SOFTSELECT tables, they will be merged together, and served in ADDITION to the values provided by any HOOK program.</p>
<p>Dropdowns are SOFT by default, unless a HARD rule is present.</p>
<p>Data Controller will not let you submit both a HARDSELECT_HOOK and a SOFTSELECT_HOOK on the same variable.</p>
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