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[#1536] Add documentation to the FOR UPDATE OF clause, indicating that

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DB2 may have stricter requirements regarding updatability of fields
This commit is contained in:
Lukas Eder 2012-07-06 15:21:47 +02:00
parent c3bfe36153
commit caae7fd953
2 changed files with 17 additions and 4 deletions
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17
jOOQ-test/src/org/jooq/test/_/testcases/SelectTests.java
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@ -524,16 +524,25 @@ extends BaseTest<A, AP, B, S, B2S, BS, L, X, DATE, BOOL, D, T, U, I, IPK, T658,
case INGRES:
case ORACLE:
case SYBASE: {
Result<Record> result = create().select(TAuthor_ID())
Result<Record> result =
create().select(TAuthor_ID())
.from(TAuthor())
.forUpdate()
.of(TAuthor_LAST_NAME(), TAuthor_FIRST_NAME())
// DB2 requires a key column to be contained in the
// FOR UPDATE OF ... clause
.of(TAuthor_ID(),
TAuthor_LAST_NAME(),
TAuthor_FIRST_NAME())
.fetch();
assertEquals(2, result.size());
Result<A> result2 = create().selectFrom(TAuthor())
Result<A> result2 =
create().selectFrom(TAuthor())
.forUpdate()
.of(TAuthor_LAST_NAME(), TAuthor_FIRST_NAME())
.of(TAuthor_ID(),
TAuthor_LAST_NAME(),
TAuthor_FIRST_NAME())
.fetch();
assertEquals(2, result2.size());

4
jOOQ/src/main/java/org/jooq/LockProvider.java
View File

@ -135,6 +135,10 @@ public interface LockProvider {
* <li>Oracle</li>
* <li>Sybase</li>
* </ul>
* <p>
* Note, that {@link SQLDialect#DB2} has some stricter requirements
* regarding the updatability of fields. Refer to the DB2 documentation for
* further details
*
* @param fields The fields that should be locked
*/