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| <title>Queries</title> |
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| <meta name="doctitle" content="Queries" /> |
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| <div class="sect3"><!-- infolevel="all" infotype="General" --> |
| <h1>Queries</h1> |
| <p><a id="sthref481" name="sthref481"></a><a id="sthref482" name="sthref482"></a><a id="sthref483" name="sthref483"></a>Use the queries area of the JPA Details view to create named queries and named native queries. Refer to <a href="tasks010.htm#BABIGBGG">"Creating queries"</a> for additional information.</p> |
| <div class="inftblhruleinformalwide"> |
| <table class="HRuleInformalWide" title="This table describes the options on the Persistence Properties view, Inheritance tab." summary="This table describes the options on the Persistence Properties view, Inheritance tab." dir="ltr" border="1" width="100%" frame="hsides" rules="rows" cellpadding="3" cellspacing="0"> |
| <col width="16%" /> |
| <col width="*" /> |
| <col width="16%" /> |
| <col width="19%" /> |
| <thead> |
| <tr align="left" valign="top"> |
| <th align="left" valign="bottom" id="r1c1-t27">Property</th> |
| <th align="left" valign="bottom" id="r1c2-t27">Description</th> |
| <th align="left" valign="bottom" id="r1c3-t27">Default</th> |
| <th align="left" valign="bottom" id="r1c4-t27">Available for Entity Type</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr align="left" valign="top"> |
| <td align="left" id="r2c1-t27" headers="r1c1-t27"> |
| <p><span class="bold">Queries</span></p> |
| </td> |
| <td align="left" headers="r2c1-t27 r1c2-t27"> |
| <p>Displays the existing Named and Native queries.</p> |
| <p>Click <span class="bold">Add</span> to add a named or named native query by using the <a href="reference076.htm#CACJIFEG">Add Query dialog</a>.</p> |
| </td> |
| <td align="left" headers="r2c1-t27 r1c3-t27"><br /></td> |
| <td align="left" headers="r2c1-t27 r1c4-t27"> |
| <p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r3c1-t27" headers="r1c1-t27"> |
| <p><span class="bold">Named Queries</span></p> |
| </td> |
| <td align="left" headers="r3c1-t27 r1c2-t27"><br /></td> |
| <td align="left" headers="r3c1-t27 r1c3-t27"><br /></td> |
| <td align="left" headers="r3c1-t27 r1c4-t27"><br /></td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r4c1-t27" headers="r1c1-t27"> |
| <p>Name</p> |
| </td> |
| <td align="left" headers="r4c1-t27 r1c2-t27"> |
| <p>Name of the query.</p> |
| </td> |
| <td align="left" headers="r4c1-t27 r1c3-t27"><br /></td> |
| <td align="left" headers="r4c1-t27 r1c4-t27"> |
| <p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r5c1-t27" headers="r1c1-t27"> |
| <p>Query</p> |
| </td> |
| <td align="left" headers="r5c1-t27 r1c2-t27"> |
| <p>The query SQL.</p> |
| </td> |
| <td align="left" headers="r5c1-t27 r1c3-t27"><br /></td> |
| <td align="left" headers="r5c1-t27 r1c4-t27"> |
| <p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r6c1-t27" headers="r1c1-t27"> |
| <p>Lock mode</p> |
| </td> |
| <td align="left" headers="r6c1-t27 r1c2-t27"> |
| <p>Specify the JPA locking policy.</p> |
| <ul> |
| <li> |
| <p>None</p> |
| </li> |
| <li> |
| <p>Optimistic</p> |
| </li> |
| <li> |
| <p>Optimistic Force Increment</p> |
| </li> |
| <li> |
| <p>Pessimistic Force Increment</p> |
| </li> |
| <li> |
| <p>Pessimistic Read</p> |
| </li> |
| <li> |
| <p>Pessimistic Write</p> |
| </li> |
| <li> |
| <p>Read</p> |
| </li> |
| <li> |
| <p>Write</p> |
| </li> |
| </ul> |
| </td> |
| <td align="left" headers="r6c1-t27 r1c3-t27"> |
| <p>None</p> |
| </td> |
| <td align="left" headers="r6c1-t27 r1c4-t27"> |
| <p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r7c1-t27" headers="r1c1-t27"> |
| <p><span class="bold">Native Queries</span></p> |
| </td> |
| <td align="left" headers="r7c1-t27 r1c2-t27"><br /></td> |
| <td align="left" headers="r7c1-t27 r1c3-t27"><br /></td> |
| <td align="left" headers="r7c1-t27 r1c4-t27"><br /></td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r8c1-t27" headers="r1c1-t27"> |
| <p>Name</p> |
| </td> |
| <td align="left" headers="r8c1-t27 r1c2-t27"> |
| <p>Name of the query.</p> |
| </td> |
| <td align="left" headers="r8c1-t27 r1c3-t27"><br /></td> |
| <td align="left" headers="r8c1-t27 r1c4-t27"> |
| <p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r9c1-t27" headers="r1c1-t27"> |
| <p>Result class</p> |
| </td> |
| <td align="left" headers="r9c1-t27 r1c2-t27"> |
| <p>The class of the result.</p> |
| <p><span class="bold">Note</span>: This field appears for Native Named Queries only.</p> |
| </td> |
| <td align="left" headers="r9c1-t27 r1c3-t27"><br /></td> |
| <td align="left" headers="r9c1-t27 r1c4-t27"> |
| <p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r10c1-t27" headers="r1c1-t27"> |
| <p>Query</p> |
| </td> |
| <td align="left" headers="r10c1-t27 r1c2-t27"> |
| <p>The query SQL.</p> |
| </td> |
| <td align="left" headers="r10c1-t27 r1c3-t27"><br /></td> |
| <td align="left" headers="r10c1-t27 r1c4-t27"> |
| <p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p> |
| </td> |
| </tr> |
| <tr align="left" valign="top"> |
| <td align="left" id="r11c1-t27" headers="r1c1-t27"> |
| <p><span class="bold">Query hints</span></p> |
| </td> |
| <td align="left" headers="r11c1-t27 r1c2-t27"> |
| <p>Displays the existing query hints (Name and Value).</p> |
| <p>Click Add to add a new query hint.</p> |
| </td> |
| <td align="left" headers="r11c1-t27 r1c3-t27"><br /></td> |
| <td align="left" headers="r11c1-t27 r1c4-t27"> |
| <p><a href="tasks004.htm#BABGBIEE">Entity</a> and <a href="tasks006.htm#BABDAGCI">Mapped superclass</a></p> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <br /></div> |
| <!-- class="inftblhruleinformalwide" --> |
| <a id="sthref484" name="sthref484"></a> |
| <p class="subhead2">Related tasks</p> |
| <ul> |
| <li> |
| <p><a href="tasks010.htm#BABIGBGG">Creating queries</a></p> |
| </li> |
| </ul> |
| <a id="sthref485" name="sthref485"></a> |
| <p class="subhead2">Related reference</p> |
| <ul> |
| <li> |
| <p><a href="ref_persistence_prop_view.htm#BABFAEBB">JPA Details view (for entities)</a></p> |
| </li> |
| </ul> |
| <a id="sthref486" name="sthref486"></a> |
| <p class="subhead2">Related concepts</p> |
| <ul> |
| <li> |
| <p>"Query Language" in the JPA Specification<br /> |
| <code><a href="http://jcp.org/en/jsr/detail?id=317">http://jcp.org/en/jsr/detail?id=317</a></code></p> |
| </li> |
| </ul> |
| </div> |
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