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https://issues.apache.org/jira/browse/DERBY-3744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Knut Anders Hatlen resolved DERBY-3744.
---------------------------------------
Resolution: Duplicate
> User-coded functions can't return Blob or Clob because these raise
> connection-killing errors in the byte-code compiler
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-3744
> URL: https://issues.apache.org/jira/browse/DERBY-3744
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.5.0.0
> Reporter: Rick Hillegas
> Attachments: wblob.sql, wclob.sql
>
>
> User-coded functions which return Blob or Clob choke the byte-code compiler.
> When trying to invoke a user-coded function which returns a Blob, you see the
> following error and the connection becomes unusable:
> java.lang.NoSuchMethodException:
> org.apache.derby.iapi.types.DataValueFactory.getBlobDataValue(java.sql.Blob,
> org.apache.derby.iapi.types.BitDataValue)
> at java.lang.Class.getDeclaredMethod(Class.java:1909)
> at
> org.apache.derby.impl.services.bytecode.d_BCValidate.checkMethod(d_BCValidate.java:132)
> at
> org.apache.derby.impl.services.bytecode.BCMethod.callMethod(BCMethod.java:745)
> at
> org.apache.derby.impl.sql.compile.BaseTypeCompiler.generateDataValue(BaseTypeCompiler.java:187)
> at
> org.apache.derby.impl.sql.compile.ExpressionClassBuilder.generateDataValue(ExpressionClassBuilder.java:899)
> at
> org.apache.derby.impl.sql.compile.JavaToSQLValueNode.generateExpression(JavaToSQLValueNode.java:170)
> at
> org.apache.derby.impl.sql.compile.CastNode.generateExpression(CastNode.java:851)
> at
> org.apache.derby.impl.sql.compile.SQLToJavaValueNode.generateSQLValue(SQLToJavaValueNode.java:352)
> at
> org.apache.derby.impl.sql.compile.SQLToJavaValueNode.generateExpression(SQLToJavaValueNode.java:332)
> at
> org.apache.derby.impl.sql.compile.JavaToSQLValueNode.generateExpression(JavaToSQLValueNode.java:167)
> at
> org.apache.derby.impl.sql.compile.ResultColumn.generateExpression(ResultColumn.java:893)
> at
> org.apache.derby.impl.sql.compile.ResultColumnList.generateCore(ResultColumnList.java:1193)
> at
> org.apache.derby.impl.sql.compile.ResultColumnList.generate(ResultColumnList.java:1028)
> at
> org.apache.derby.impl.sql.compile.RowResultSetNode.generate(RowResultSetNode.java:690)
> at
> org.apache.derby.impl.sql.compile.ScrollInsensitiveResultSetNode.generate(ScrollInsensitiveResultSetNode.java:109)
> at
> org.apache.derby.impl.sql.compile.CursorNode.generate(CursorNode.java:564)
> at
> org.apache.derby.impl.sql.compile.StatementNode.generate(StatementNode.java:347)
> at
> org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:447)
> at
> org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:88)
> at
> org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:794)
> at
> org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:606)
> at
> org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:555)
> at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:329)
> at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:508)
> at
> org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:350)
> at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:248)
> at org.apache.derby.impl.tools.ij.Main.go(Main.java:215)
> at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:181)
> at org.apache.derby.impl.tools.ij.Main.main(Main.java:73)
> at org.apache.derby.tools.ij.main(ij.java:59)
> Invalid method org.apache.derby.iapi.types.DataValueFactory >>
> org.apache.derby.iapi.types.BitDataValue getBlobDataValue(java.sql.Blob,
> org.apache.derby.iapi.types.BitDataValue) because
> java.lang.NoSuchMethodException:
> org.apache.derby.iapi.types.DataValueFactory.getBlobDataValue(java.sql.Blob,
> org.apache.derby.iapi.types.BitDataValue)
> ERROR XJ001: Java exception: 'ASSERT FAILED Invalid method
> org.apache.derby.iapi.types.DataValueFactory >>
> org.apache.derby.iapi.types.BitDataValue getBlobDataValue(java.sql.Blob,
> org.apache.derby.iapi.types.BitDataValue) because
> java.lang.NoSuchMethodException:
> org.apache.derby.iapi.types.DataValueFactory.getBlobDataValue(java.sql.Blob,
> org.apache.derby.iapi.types.BitDataValue):
> org.apache.derby.shared.common.sanity.AssertFailure'.
> Similarly, if you invoke a user-coded function which returns a Clob, you see
> the following error and the connection becomes unusable:
> java.lang.NoSuchMethodException:
> org.apache.derby.iapi.types.DataValueFactory.getClobDataValue(java.sql.Clob,
> org.apache.derby.iapi.types.StringDataValue)
> at java.lang.Class.getDeclaredMethod(Class.java:1909)
> at
> org.apache.derby.impl.services.bytecode.d_BCValidate.checkMethod(d_BCValidate.java:132)
> at
> org.apache.derby.impl.services.bytecode.BCMethod.callMethod(BCMethod.java:745)
> at
> org.apache.derby.impl.sql.compile.BaseTypeCompiler.generateDataValue(BaseTypeCompiler.java:187)
> at
> org.apache.derby.impl.sql.compile.ExpressionClassBuilder.generateDataValue(ExpressionClassBuilder.java:899)
> at
> org.apache.derby.impl.sql.compile.JavaToSQLValueNode.generateExpression(JavaToSQLValueNode.java:170)
> at
> org.apache.derby.impl.sql.compile.CastNode.generateExpression(CastNode.java:851)
> at
> org.apache.derby.impl.sql.compile.SQLToJavaValueNode.generateSQLValue(SQLToJavaValueNode.java:352)
> at
> org.apache.derby.impl.sql.compile.SQLToJavaValueNode.generateExpression(SQLToJavaValueNode.java:332)
> at
> org.apache.derby.impl.sql.compile.JavaToSQLValueNode.generateExpression(JavaToSQLValueNode.java:167)
> at
> org.apache.derby.impl.sql.compile.ResultColumn.generateExpression(ResultColumn.java:893)
> at
> org.apache.derby.impl.sql.compile.ResultColumnList.generateCore(ResultColumnList.java:1193)
> at
> org.apache.derby.impl.sql.compile.ResultColumnList.generate(ResultColumnList.java:1028)
> at
> org.apache.derby.impl.sql.compile.RowResultSetNode.generate(RowResultSetNode.java:690)
> at
> org.apache.derby.impl.sql.compile.ScrollInsensitiveResultSetNode.generate(ScrollInsensitiveResultSetNode.java:109)
> at
> org.apache.derby.impl.sql.compile.CursorNode.generate(CursorNode.java:564)
> at
> org.apache.derby.impl.sql.compile.StatementNode.generate(StatementNode.java:347)
> at
> org.apache.derby.impl.sql.GenericStatement.prepMinion(GenericStatement.java:447)
> at
> org.apache.derby.impl.sql.GenericStatement.prepare(GenericStatement.java:88)
> at
> org.apache.derby.impl.sql.conn.GenericLanguageConnectionContext.prepareInternalStatement(GenericLanguageConnectionContext.java:794)
> at
> org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:606)
> at
> org.apache.derby.impl.jdbc.EmbedStatement.execute(EmbedStatement.java:555)
> at org.apache.derby.impl.tools.ij.ij.executeImmediate(ij.java:329)
> at org.apache.derby.impl.tools.ij.utilMain.doCatch(utilMain.java:508)
> at
> org.apache.derby.impl.tools.ij.utilMain.runScriptGuts(utilMain.java:350)
> at org.apache.derby.impl.tools.ij.utilMain.go(utilMain.java:248)
> at org.apache.derby.impl.tools.ij.Main.go(Main.java:215)
> at org.apache.derby.impl.tools.ij.Main.mainCore(Main.java:181)
> at org.apache.derby.impl.tools.ij.Main.main(Main.java:73)
> at org.apache.derby.tools.ij.main(ij.java:59)
> Invalid method org.apache.derby.iapi.types.DataValueFactory >>
> org.apache.derby.iapi.types.StringDataValue getClobDataValue(java.sql.Clob,
> org.apache.derby.iapi.types.StringDataValue) because
> java.lang.NoSuchMethodException:
> org.apache.derby.iapi.types.DataValueFactory.getClobDataValue(java.sql.Clob,
> org.apache.derby.iapi.types.StringDataValue)
> ERROR XJ001: Java exception: 'ASSERT FAILED Invalid method
> org.apache.derby.iapi.types.DataValueFactory >>
> org.apache.derby.iapi.types.StringDataValue getClobDataValue(java.sql.Clob,
> org.apache.derby.iapi.types.StringDataValue) because
> java.lang.NoSuchMethodException:
> org.apache.derby.iapi.types.DataValueFactory.getClobDataValue(java.sql.Clob,
> org.apache.derby.iapi.types.StringDataValue):
> org.apache.derby.shared.common.sanity.AssertFailure'.
> I will attach test cases which demonstrate these problems.
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