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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-2201) Calling functions that return Blob/Clob does not work.
Date Tue, 10 Feb 2009 17:42:59 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2201?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Hillegas updated DERBY-2201:
---------------------------------

    Attachment: derby-2201-02-ac-wrapUserLob.diff

Attaching derby-2201-02-ac-wrapUserLob.diff. This is the derby-2201-02-aa-wrapUserLob.diff
patch with the following improvements, discussed in the previous comment:

A) 0L changed to 1L in the getSubString() and getBytes() calls.

B) Removed changes to SQLBinary.estimateMemoryUsage().

C) Removed the short-circuiting which prevented us from using the streaming apis when serializing
SQLClobs which contain user Clobs.

D) Adjusted the serialization of SQLVarchar to use the streaming apis when the payload is
a user Clob.

I need to run the regression tests now.


Touches the following additional file:

M      java/testing/org/apache/derbyTesting/functionTests/tests/lang/StringColumnVTI.java

The dummy [BC]lob implementations in this class were coded to use 0-based indexing rather
than 1-based indexing. This is why the tests did not catch problem (A). I have corrected Clob.getSubString()
and Blob.getBytes() to use 1-based indexing.


> Calling functions that return Blob/Clob does not work.
> ------------------------------------------------------
>
>                 Key: DERBY-2201
>                 URL: https://issues.apache.org/jira/browse/DERBY-2201
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.3.1.4
>         Environment: Derby, head of trunk. Sun JVM 5. Solaris 10 (x86).
>            Reporter: Øystein Grøvlen
>            Priority: Minor
>         Attachments: ClobFunction.java, derby-2201-02-aa-wrapUserLob.diff, derby-2201-02-ac-wrapUserLob.diff,
derby-2201-aa-01-crudeDog.diff, getClobDataValue.diff
>
>
> Calling functions that return Blob/Clob results in NoSuchMethodException (See stackTrace
below).  It fails because DataValueFactory.getClobDataValue(Clob, StringDataValue) does not
exist.  However,  getClobDataValue(String, StringDataValue) exists.  I will attach program
to repro this.
> 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:133)
>         at org.apache.derby.impl.services.bytecode.BCMethod.callMethod(BCMethod.java:745)
>         at org.apache.derby.impl.sql.compile.BaseTypeCompiler.generateDataValue(BaseTypeCompiler.java:135)
>         at org.apache.derby.impl.sql.compile.ExpressionClassBuilder.generateDataValue(ExpressionClassBuilder.java:918)
>         at org.apache.derby.impl.sql.compile.JavaToSQLValueNode.generateExpression(JavaToSQLValueNode.java:179)
>         at org.apache.derby.impl.sql.compile.CastNode.generateExpression(CastNode.java:884)
>         at org.apache.derby.impl.sql.compile.SQLToJavaValueNode.generateSQLValue(SQLToJavaValueNode.java:361)
>         at org.apache.derby.impl.sql.compile.SQLToJavaValueNode.generateExpression(SQLToJavaValueNode.java:341)
>         at org.apache.derby.impl.sql.compile.JavaToSQLValueNode.generateExpression(JavaToSQLValueNode.java:176)
>         at org.apache.derby.impl.sql.compile.ResultColumn.generateExpression(ResultColumn.java:884)
>         at org.apache.derby.impl.sql.compile.ResultColumnList.generateCore(ResultColumnList.java:1097)
>         at org.apache.derby.impl.sql.compile.ProjectRestrictNode.generateMinion(ProjectRestrictNode.java:1516)
>         at org.apache.derby.impl.sql.compile.ProjectRestrictNode.generate(ProjectRestrictNode.java:1303)
>         at org.apache.derby.impl.sql.compile.ScrollInsensitiveResultSetNode.generate(ScrollInsensitiveResultSetNode.java:110)
>         at org.apache.derby.impl.sql.compile.CursorNode.generate(CursorNode.java:565)
>         at org.apache.derby.impl.sql.compile.StatementNode.generate(StatementNode.java:333)
>         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:741)
>         at org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(EmbedPreparedStatement.java:129)
>         at org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(EmbedPreparedStatement20.java:83)
>         at org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(EmbedPreparedStatement30.java:63)
>         at org.apache.derby.jdbc.Driver30.newEmbedPreparedStatement(Driver30.java:93)
>         at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(EmbedConnection.java:742)
>         at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(EmbedConnection.java:586)
>         at lobtests.ClobFunction.main(ClobFunction.java:87)
> 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)
> java.sql.SQLException: 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'.
> org.apache.derby.shared.common.sanity.AssertFailure: 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)
>         at org.apache.derby.shared.common.sanity.SanityManager.THROWASSERT(SanityManager.java:149)
>         at org.apache.derby.impl.services.bytecode.d_BCValidate.checkMethod(d_BCValidate.java:192)
>         at org.apache.derby.impl.services.bytecode.BCMethod.callMethod(BCMethod.java:745)
>         at org.apache.derby.impl.sql.compile.BaseTypeCompiler.generateDataValue(BaseTypeCompiler.java:135)
>         at org.apache.derby.impl.sql.compile.ExpressionClassBuilder.generateDataValue(ExpressionClassBuilder.java:918)
>         at org.apache.derby.impl.sql.compile.JavaToSQLValueNode.generateExpression(JavaToSQLValueNode.java:179)
>         at org.apache.derby.impl.sql.compile.CastNode.generateExpression(CastNode.java:884)
>         at org.apache.derby.impl.sql.compile.SQLToJavaValueNode.generateSQLValue(SQLToJavaValueNode.java:361)
>         at org.apache.derby.impl.sql.compile.SQLToJavaValueNode.generateExpression(SQLToJavaValueNode.java:341)
>         at org.apache.derby.impl.sql.compile.JavaToSQLValueNode.generateExpression(JavaToSQLValueNode.java:176)
>         at org.apache.derby.impl.sql.compile.ResultColumn.generateExpression(ResultColumn.java:884)
>         at org.apache.derby.impl.sql.compile.ResultColumnList.generateCore(ResultColumnList.java:1097)
>         at org.apache.derby.impl.sql.compile.ProjectRestrictNode.generateMinion(ProjectRestrictNode.java:1516)
>         at org.apache.derby.impl.sql.compile.ProjectRestrictNode.generate(ProjectRestrictNode.java:1303)
>         at org.apache.derby.impl.sql.compile.ScrollInsensitiveResultSetNode.generate(ScrollInsensitiveResultSetNode.java:110)
>         at org.apache.derby.impl.sql.compile.CursorNode.generate(CursorNode.java:565)
>         at org.apache.derby.impl.sql.compile.StatementNode.generate(StatementNode.java:333)
>         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:741)
>         at org.apache.derby.impl.jdbc.EmbedPreparedStatement.<init>(EmbedPreparedStatement.java:129)
>         at org.apache.derby.impl.jdbc.EmbedPreparedStatement20.<init>(EmbedPreparedStatement20.java:83)
>         at org.apache.derby.impl.jdbc.EmbedPreparedStatement30.<init>(EmbedPreparedStatement30.java:63)
>         at org.apache.derby.jdbc.Driver30.newEmbedPreparedStatement(Driver30.java:93)
>         at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(EmbedConnection.java:742)
>         at org.apache.derby.impl.jdbc.EmbedConnection.prepareStatement(EmbedConnection.java:586)
>         at lobtests.ClobFunction.main(ClobFunction.java:87)

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