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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4946) Derby 10.7 DatabaseMetaData.getTypeInfo() should not return BOOLEAN for a soft upgraded database
Date Thu, 16 Dec 2010 17:37:02 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12972155#action_12972155
] 

Kathey Marsden commented on DERBY-4946:
---------------------------------------

Well getBoolean() works on System table BOOLEAN  regardless, so not so clear why that would
be useful decision point  but  certainly clear to me that in the contexts  where BOOLEAN is
not supported the DatabaseMetaData should continue to not return it.

 I am glad to hear you would not veto someone fixing this regression but  a bit perplexed
that you would  consider doing so.   


> Derby 10.7 DatabaseMetaData.getTypeInfo() should not return BOOLEAN for a soft upgraded
database
> ------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-4946
>                 URL: https://issues.apache.org/jira/browse/DERBY-4946
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>    Affects Versions: 10.7.1.1, 10.8.0.0
>            Reporter: Kathey Marsden
>         Attachments: UseDBMetaForBool.java
>
>
> Derby 10.7 DatabaseMetaData.getTypeInfo() should not return the BOOLEAN data type with
a soft upgraded database as often applications use getTypeInfo() to determine if tables can
be created with this type.
> To reproduce and see the impact of the problem, first create the database testdb with
10.6
> ij version 10.6
> ij> connect 'jdbc:derby:testdb;create=true';
> ij>
> run the attached program UseDBMetaForBool with 10.6  and it runs fine.
> $ java UseDBMetaForBool
> getDriverVersion10.6.2.3 - (1026030M)
> supportsBoolean = false Make my table accordingly
> CREATING SMALLINT TABLE SINCE NO BOOLEAN
> getBoolean=true
> getString=1
> Next run the program against 10.7 in soft upgrade mode and it fails with:
> $ java UseDBMetaForBool
> getDriverVersion10.7.1.2 - (1040699M)
> supportsBoolean = true Make my table accordingly
> CREATING BOOLEAN TABLE
> Exception in thread "main" java.sql.SQLException: Use of 'BOOLEAN' requires data
> base to be upgraded from version 10.6 to version 10.7 or later.
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLE
> xceptionFactory40.java:95)
>         at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Util.java:256)
>         at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException
> (TransactionResourceImpl.java:396)
>         at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Tr
> ansactionResourceImpl.java:348)
>         at org.apache.derby.impl.jdbc.EmbedConnection.handleException(EmbedConne
> ction.java:2284)
>         at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Connection
> Child.java:82)
>         at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java
> :616)
>         at org.apache.derby.impl.jdbc.EmbedStatement.executeUpdate(EmbedStatemen
> t.java:176)
>         at UseDBMetaForBool.main(UseDBMetaForBool.java:28)
> Caused by: java.sql.SQLException: Use of 'BOOLEAN' requires database to be upgra
> ded from version 10.6 to version 10.7 or later.
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(SQLExc
> eptionFactory.java:45)
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransport
> AcrossDRDA(SQLExceptionFactory40.java:119)
>         at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(SQLE
> xceptionFactory40.java:70)
>         ... 8 more
> Caused by: ERROR XCL47: Use of 'BOOLEAN' requires database to be upgraded from v
> ersion 10.6 to version 10.7 or later.
>         at org.apache.derby.iapi.error.StandardException.newException(StandardEx
> ception.java:343)
>         at org.apache.derby.impl.sql.catalog.DD_Version.checkVersion(DD_Version.
> java:845)
>         at org.apache.derby.impl.sql.catalog.DataDictionaryImpl.checkVersion(Dat
> aDictionaryImpl.java:9662)
>         at org.apache.derby.impl.sql.compile.SQLParser.checkVersion(SQLParser.ja
> va:327)
>         at org.apache.derby.impl.sql.compile.SQLParser.dataTypeCommon(SQLParser.
> java:3336)
>         at org.apache.derby.impl.sql.compile.SQLParser.dataTypeDDL(SQLParser.jav
> a:3260)
>         at org.apache.derby.impl.sql.compile.SQLParser.columnDefinition(SQLParse
> r.java:3125)
>         at org.apache.derby.impl.sql.compile.SQLParser.tableElement(SQLParser.ja
> va:3090)
>         at org.apache.derby.impl.sql.compile.SQLParser.tableElementList(SQLParse
> r.java:3061)
>         at org.apache.derby.impl.sql.compile.SQLParser.tableDefinition(SQLParser
> .java:10204)
>         at org.apache.derby.impl.sql.compile.SQLParser.createStatements(SQLParse
> r.java:2079)
>         at org.apache.derby.impl.sql.compile.SQLParser.StatementPart(SQLParser.j
> ava:1974)
>         at org.apache.derby.impl.sql.compile.SQLParser.Statement(SQLParser.java:
> 1892)
>         at org.apache.derby.impl.sql.compile.ParserImpl.parseStatement(ParserImp
> l.java:151)
>         at org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatemen
> t.java:282)
>         at org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.j
> ava:90)
>         at org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepa
> reInternalStatement(GenericLanguageConnectionContext.java:1101)
>         at org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java
> :607)
>         ... 2 more
> Finally, hard upgrade and see it runs again once the upgrade has been performed:
> $ java org.apache.derby.tools.ij
> ij version 10.7
> ij> connect 'jdbc:derby:testdb;upgrade=true';
> ij>
> kmarsden@IBM-93AE43E63C0 ~/repro/softUpgr
> $ java UseDBMetaForBool
> getDriverVersion10.7.1.2 - (1040699M)
> supportsBoolean = true Make my table accordingly
> CREATING BOOLEAN TABLE
> getBoolean=true
> getString=true
> The application  should run in soft upgrade mode and DatabaseMetaData.getTypeInfo() should
not return the BOOLEAN type in soft upgrade before it is available to use.

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