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From "Jason VanGundy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DDLUTILS-95) Can't extract data from Derby db when table included in a schema
Date Tue, 19 Feb 2013 16:33:15 GMT

    [ https://issues.apache.org/jira/browse/DDLUTILS-95?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13581418#comment-13581418
] 

Jason VanGundy commented on DDLUTILS-95:
----------------------------------------

I'm also facing difficulties using this util as my username does not match the schema name.
 Code just needs to change to craft the table name as <schema>.<tablename> rather
than just <tablename> so that it doesn't assume username and schema name are the same.
                
> Can't extract data from Derby db when table included in a schema
> ----------------------------------------------------------------
>
>                 Key: DDLUTILS-95
>                 URL: https://issues.apache.org/jira/browse/DDLUTILS-95
>             Project: DdlUtils
>          Issue Type: Bug
>          Components: Ant Tasks
>         Environment: Derby database or any database with schema support and the userid
not matching the schema name
>            Reporter: jim vester
>            Assignee: Thomas Dudziak
>             Fix For: 1.2
>
>
> I have a  derby Database named myDatabase.
> The database contains a schema rentabike.
> the schema contains a table named bikes.
> when I use the DatabaseToDdlTask to try
> and unload the schema and data, schema="rentabike" catalog=""
> userid="user" password="pass", an error occurs.
> The schema is extracted successfully however the data is not.
> Here is a snippet of the stack trace:
> org.apache.ddlutils.DynaSqlException : Error while performing a query
>         at org.apache.ddlutils.platform.PlatformImplBase.query(PlatformImplBase.
> java:793)
>         at org.apache.ddlutils.task.WriteDataToFileCommand.execute(WriteDataToFi
> leCommand.java :82)
>         at org.apache.ddlutils.task.DatabaseTaskBase.executeCommands(DatabaseTas
> kBase.java:198)
>         at org.apache.ddlutils.task.DatabaseTaskBase.execute(DatabaseTaskBase.ja
> va:222)
>         at org.apache.tools.ant.UnknownElement.execute (UnknownElement.java:275)
>         at org.apache.tools.ant.Task.perform(Task.java:364)
>         at org.apache.tools.ant.Target.execute(Target.java:341)
>         at org.apache.tools.ant.Target.performTasks(Target.java :369)
>         at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
>         at org.apache.tools.ant.helper.DefaultExecutor.executeTargets (DefaultExe
> cutor.java:40)
>         at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
>         at org.apache.tools.ant.Main.runBuild(Main.java:668)
>         at org.apache.tools.ant.Main.startAnt(Main.java :187)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:246)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:67)
> Caused by: org.apache.derby.client.am.SqlException: Schema 'user' does not exist
>         at org.apache.derby.client.am.Statement.completeSqlca(Unknown Source)
>         at org.apache.derby.client.net.NetStatementReply.parsePrepareError(Unkno
> wn Source)
>         at org.apache.derby.client.net.NetStatementReply.parsePRPSQLSTTreply (Unk
> nown Source)
>         at org.apache.derby.client.net.NetStatementReply.readPrepareDescribeOutp
> ut(Unknown Source)
>         at org.apache.derby.client.net.StatementReply.readPrepareDescribeOutput(
> Unknown Source)
>         at org.apache.derby.client.net.NetStatement.readPrepareDescribeOutput_(U
> nknown Source)
>         at org.apache.derby.client.am.Statement.readPrepareDescribeOutput(Unknow
> n Source)
>         at org.apache.derby.client.am.Statement.flowExecute (Unknown Source)
>         at org.apache.derby.client.am.Statement.executeQueryX(Unknown Source)
>         at org.apache.derby.client.am.Statement.executeQuery(Unknown Source)
>         at org.apache.commons.dbcp.DelegatingStatement.executeQuery (DelegatingSt
> atement.java:205)
>         at org.apache.ddlutils.platform.PlatformImplBase.query(PlatformImplBase.
> java:787)
> I think it is occuring because the generated sql from the WritDataToFileCommand.execute
> does not take into account the schema name. Note userid is added in front of table names
by default.
>  writer.write(platform.query(model, "select * from "+tables[0].getName(), tables));
>  
>  The correct sql is select * from schema.table. or select * from rentabike.bikes

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