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OPENJPA-1837 - reset Oracle dictionary maxEmbedded*lobSize = -1 for jdbc driver (11.2.0.x) that can handle *lob size > 4000 characters. 

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@1023925 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Albert Lee 2010-10-18 17:48:30 +00:00
parent 60e88f82fa
commit fdf58d63ba
3 changed files with 55 additions and 34 deletions
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10
openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/OracleDictionary.java
View File

@ -227,9 +227,15 @@ public class OracleDictionary
if (metadataClassName.startsWith("oracle.")
|| url.indexOf("jdbc:oracle:") != -1
|| "Oracle JDBC driver".equals(driverName)) {
driverVendor = VENDOR_ORACLE + meta.getDriverMajorVersion()
+ meta.getDriverMinorVersion();
int jdbcMajor = meta.getDriverMajorVersion();
int jdbcMinor = meta.getDriverMinorVersion();
driverVendor = VENDOR_ORACLE + jdbcMajor + jdbcMinor;
int jdbcVersion = jdbcMajor * 1000 + jdbcMinor;
if( jdbcVersion >= 11002) {
maxEmbeddedBlobSize = -1;
maxEmbeddedClobSize = -1;
}
String productVersion = meta.getDatabaseProductVersion()
.split("Release ",0)[1].split("\\.",0)[0];
int release = Integer.parseInt(productVersion);

2
openjpa-persistence-jdbc/pom.xml
View File

@ -658,7 +658,7 @@
<oracle.maven.repo>http://not.a.real.repository</oracle.maven.repo>
<oracle.groupid>com.oracle</oracle.groupid>
<oracle.artifactid>jdbc-driver</oracle.artifactid>
<oracle.version>10g</oracle.version>
<oracle.version>11.2.0.1-jdbc6</oracle.version>
<connection.driver.name>oracle.jdbc.driver.OracleDriver</connection.driver.name>
<!--<connection.url>jdbc:oracle:thin:@localhost:1521:OPENJPA</connection.url>-->
<connection.url>${openjpa.oracle.url}</connection.url>

25
openjpa-project/src/doc/manual/supported_databases.xml
View File

@ -1139,11 +1139,11 @@ List results = query.getResultList();
<listitem>
<para>
The Oracle JDBC driver has significant differences between different versions.
It is important to use the officially supported version of the driver
(10.2.0.1.0), which is backward compatible with previous versions of the Oracle
It is important to use the officially supported version of the drivers
(10.2.0.1.0/11.2.0.x.0), which is backward compatible with previous versions of the Oracle
server. It can be downloaded from
<ulink url="http://www.oracle.com/technology/software/tech/java/sqlj_jdbc/htdocs/jdbc101040.html">
http://www.oracle.com/technology/software/tech/java/sqlj_jdbc/htdocs/jdbc101040.html</ulink>.
<ulink url="http://www.oracle.com/technetwork/database/features/jdbc/index-091264.html">
http://www.oracle.com/technetwork/database/features/jdbc/index-091264.html</ulink>.
</para>
</listitem>
<listitem>
@ -1211,7 +1211,22 @@ openjpa.ConnectionRetainMode: always
Mapping persistent attributes to <link linkend="ref_guide_xmlmapping">XML columns</link> requires
a JDBC 4 compliant driver if XML strings are longer than 4000 bytes, as counted in database.
Otherwise an <literal>ORA-01461: can bind a LONG value only for insert into a LONG column</literal>
error may result.
error may result. This limitation is removed in Oracle jdbc driver 11.2.0.x.
</para>
</listitem>
<listitem>
<para>
If Oracle dictionary property <literal>MaxEmbeddedBlobSize</literal> or
<literal>MaxEmbeddedClobSize</literal> is set to some limit (i.e. not -1) and embedded collection
with blob/clob attribute is used, a
<literal>"org.apache.openjpa.persistence.ArgumentException:
"x.y.z.EmbedOwner.embedCollection&lt;element:class x.y.z.EmbedValue&gt;"
is mapped as embedded, but embedded field
"x.y.z.EmbedOwner.embedCollection.x.y.z.EmbedValue.blob" is not embeddable.
Embedded element/key/value types are limited to simple fields and direct relations to other
persistent types"</literal> error may result. To overcome this limitation, either use jdbc driver
11.2.0.x.0 (or later version) or set both <literal>MaxEmbeddedBlobSize</literal> and
<literal>MaxEmbeddedClobSize</literal> oracle dictiionary properties to -1.
</para>
</listitem>
</itemizedlist>