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| <title>22. PostgreSQL</title><link rel="stylesheet" href="css/docbook.css" type="text/css"><base href="display"><meta name="generator" content="DocBook XSL Stylesheets V1.72.0"><link rel="start" href="manual.html" title="Apache OpenJPA 2.1 User's Guide"><link rel="up" href="supported_databases.html" title="Appendix 2. Supported Databases"><link rel="prev" href="dbsupport_pointbase.html" title="21. Pointbase"><link rel="next" href="dbsupport_soliddb.html" title="23. IBM solidDB"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">22. |
| PostgreSQL |
| </th></tr><tr><td width="20%" align="left"><a accesskey="p" href="dbsupport_pointbase.html">Prev</a> </td><th width="60%" align="center">Appendix 2. |
| Supported Databases |
| </th><td width="20%" align="right"> <a accesskey="n" href="dbsupport_soliddb.html">Next</a></td></tr></table><hr></div><div class="section" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="dbsupport_postgresql"></a>22. |
| PostgreSQL |
| </h2></div></div></div><div class="toc"><dl><dt><span class="section"><a href="dbsupport_postgresql.html#dbsupport_postgresql_issues">22.1. |
| Known issues with PostgreSQL |
| </a></span></dt></dl></div><div class="example"><a name="example_props_postgresql"></a><p class="title"><b>Example 2.22. |
| Example properties for PostgreSQL |
| </b></p><div class="example-contents"><pre class="programlisting"> |
| openjpa.ConnectionDriverName: org.postgresql.Driver |
| openjpa.ConnectionURL: jdbc:postgresql://SERVER_NAME:5432/DB_NAME |
| </pre></div></div><br class="example-break"><div class="section" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="dbsupport_postgresql_issues"></a>22.1. |
| Known issues with PostgreSQL |
| </h3></div></div></div><div class="itemizedlist"><ul type="disc"><li><p> |
| Floats and doubles may lose precision when stored. |
| </p></li><li><p> |
| PostgreSQL cannot store very low and very high dates. |
| </p></li><li><p> |
| Empty string/char values are stored as NULL. |
| </p></li><li><p> |
| Persistent fields of type <code class="classname">java.io.Reader</code> are not |
| supported when using |
| <a href="ref_guide_mapping_jpa.html#ref_guide_streamsupport" title="7.11. LOB Streaming">LOB streaming</a>. |
| </p></li></ul></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="dbsupport_pointbase.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="supported_databases.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="dbsupport_soliddb.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">21. |
| Pointbase |
| </td><td width="20%" align="center"><a accesskey="h" href="manual.html">Home</a></td><td width="40%" align="right" valign="top"> 23. |
| IBM solidDB |
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