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From "Andy Jefferson (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JDO-248) JPOX generates illegal SQL for queries using result class java.util.Map.
Date Sun, 01 Jan 2006 10:11:02 GMT
    [ http://issues.apache.org/jira/browse/JDO-248?page=comments#action_12361484 ] 

Andy Jefferson commented on JDO-248:
------------------------------------

The test has  a query "SELECT phoneNumbers FROM FullTimeEmployee INTO java.util.Map
where "phoneNumbers" is a Map field.

The test seems to think that selecting a field that is a Map will mean that this will be loaded
into the result class Map for each result row. That is not my understanding of why java.util.Map
was added to the JDO2 spec as a valid result class. It was added so that all fields/columns
in the result spec can be added to the Map using the put(key, value) method with the key being
the field name. Perhaps the test should be changed to select some real fields and then test
that they have been loaded into the result Map correctly.

> JPOX generates illegal SQL for queries using result class java.util.Map.
> ------------------------------------------------------------------------
>
>          Key: JDO-248
>          URL: http://issues.apache.org/jira/browse/JDO-248
>      Project: JDO
>         Type: Bug
>   Components: tck20
>     Reporter: Michael Watzek
>     Assignee: Erik Bengtson

>
> Test case ResultClassRequirements fails because JPOX generates illegal SQL for the query
below. The query uses result class java.util.Map. The FROM caluse of the generated SQL is
empty.
> 14:23:04,625 (main) DEBUG [org.apache.jdo.tck] - Executing API query: SELECT phoneNumbers
INTO java.util.Map FROM org.apache.jdo.tck.pc.company.FullTimeEmployee 
> 14:23:04,687 (main) INFO  [org.apache.jdo.tck] - Exception during setUp or runtest: 
> javax.jdo.JDODataStoreException: Error executing JDOQL query "SELECT  FROM applicationidentity0.PERSONS
THIS WHERE THIS.DISCRIMINATOR = ?" : Syntax error: Encountered "FROM" at line 1, column 9.
> ERROR 42X01: Syntax error: Encountered "FROM" at line 1, column 9.
> 	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.ParserImpl.parseStatement(Unknown Source)
> 	at org.apache.derby.impl.sql.GenericStatement.prepMinion(Unknown Source)
> 	at org.apache.derby.impl.sql.GenericStatement.prepare(Unknown Source)
> 	at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(Unknown
Source)
> 	at org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(Unknown Source)
> 	at org.apache.derby.jdbc.Driver30.newEmbedPreparedStatement(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)
> 	at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(Unknown Source)
> 	at com.mchange.v2.c3p0.impl.NewProxyConnection.prepareStatement(NewProxyConnection.java:190)
> 	at org.jpox.store.StatementText.prepareStatement(StatementText.java:199)
> 	at org.jpox.store.query.JDOQLQuery.performExecute(JDOQLQuery.java:678)
> 	at org.jpox.store.query.Query.executeWithMap(Query.java:966)
> 	at org.jpox.store.query.Query.executeWithArray(Query.java:939)
> 	at org.jpox.store.query.Query.execute(Query.java:862)
> 	at org.apache.jdo.tck.query.QueryTest.execute(QueryTest.java:1151)
> 	at org.apache.jdo.tck.query.QueryTest.execute(QueryTest.java:1029)
> 	at org.apache.jdo.tck.query.QueryTest.executeAPIQuery(QueryTest.java:966)
> 	at org.apache.jdo.tck.query.QueryTest.executeAPIQuery(QueryTest.java:946)
> 	at org.apache.jdo.tck.query.result.ResultClassRequirements.executeQuery(ResultClassRequirements.java:464)
> 	at org.apache.jdo.tck.query.result.ResultClassRequirements.testMap(ResultClassRequirements.java:424)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:324)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at org.apache.jdo.tck.JDO_Test.runBare(JDO_Test.java:204)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at junit.textui.TestRunner.doRun(TestRunner.java:116)
> 	at junit.textui.TestRunner.doRun(TestRunner.java:109)
> 	at org.apache.jdo.tck.util.BatchTestRunner.start(BatchTestRunner.java:120)
> 	at org.apache.jdo.tck.util.BatchTestRunner.main(BatchTestRunner.java:95)
> .
> 	at org.jpox.store.query.JDOQLQuery.performExecute(JDOQLQuery.java:747)
> 	at org.jpox.store.query.Query.executeWithMap(Query.java:966)
> 	at org.jpox.store.query.Query.executeWithArray(Query.java:939)
> 	at org.jpox.store.query.Query.execute(Query.java:862)
> 	at org.apache.jdo.tck.query.QueryTest.execute(QueryTest.java:1151)
> 	at org.apache.jdo.tck.query.QueryTest.execute(QueryTest.java:1029)
> 	at org.apache.jdo.tck.query.QueryTest.executeAPIQuery(QueryTest.java:966)
> 	at org.apache.jdo.tck.query.QueryTest.executeAPIQuery(QueryTest.java:946)
> 	at org.apache.jdo.tck.query.result.ResultClassRequirements.executeQuery(ResultClassRequirements.java:464)
> 	at org.apache.jdo.tck.query.result.ResultClassRequirements.testMap(ResultClassRequirements.java:424)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:324)
> 	at junit.framework.TestCase.runTest(TestCase.java:154)
> 	at org.apache.jdo.tck.JDO_Test.runBare(JDO_Test.java:204)
> 	at junit.framework.TestResult$1.protect(TestResult.java:106)
> 	at junit.framework.TestResult.runProtected(TestResult.java:124)
> 	at junit.framework.TestResult.run(TestResult.java:109)
> 	at junit.framework.TestCase.run(TestCase.java:118)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:208)
> 	at junit.framework.TestSuite.run(TestSuite.java:203)
> 	at junit.textui.TestRunner.doRun(TestRunner.java:116)
> 	at junit.textui.TestRunner.doRun(TestRunner.java:109)
> 	at org.apache.jdo.tck.util.BatchTestRunner.start(BatchTestRunner.java:120)
> 	at org.apache.jdo.tck.util.BatchTestRunner.main(BatchTestRunner.java:95)

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