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From "Mamta A. Satoor (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-6185) Query against view with "where name LIKE 'Col1' ESCAPE '\' " failed
Date Thu, 18 Apr 2013 15:25:16 GMT

     [ https://issues.apache.org/jira/browse/DERBY-6185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mamta A. Satoor updated DERBY-6185:
-----------------------------------

    Attachment: DERBY_6185_diff_patch2.txt

Here is a patch which adds the new parameter to the init methods so every initialization of
these nodes will remember to supply the right value. I will finish taking care of using spaces
rather than tabs but wanted to send the patch out for review. I will also fire derbyall and
junit test suite,
                
> Query against view  with "where name LIKE 'Col1' ESCAPE '\' " failed
> --------------------------------------------------------------------
>
>                 Key: DERBY-6185
>                 URL: https://issues.apache.org/jira/browse/DERBY-6185
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.1.3.3, 10.5.3.2, 10.8.2.2, 10.8.3.0
>         Environment: windows 7
>            Reporter: Rong Qu
>            Assignee: Mamta A. Satoor
>         Attachments: DERBY_6185_diff_patch2.txt, set-for-rewrite.diff
>
>
> The error can be reproduced,
> 1) create table mytbl1 (name clob(10K));
> 2) create table mytbl2 (name clob(10K));
> 3) create view myview (name) as select t1.name from mytbl1 t1 union all select t2.name
from mytbl2 t2;
> 4) select name from myview where name LIKE 'Col1' ESCAPE '\';
> "4)" failed with error message "
> ERROR 42818: Comparisons between 'CLOB (UCS_BASIC)' and 'CHAR (UCS_BASIC)' are not supported.
Types must be comparable. String types must also have matching collation. If collation does
not match, a possible solution is to cast operands to force them to the default collation
(e.g. SELECT tablename FROM sys.systables WHERE CAST(tablename AS VARCHAR(128)) = 'T1')
> 	at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.BinaryComparisonOperatorNode.bindComparisonOperator(Unknown
Source)
> 	at org.apache.derby.impl.sql.compile.PredicateList.pushExpressionsIntoSelect(Unknown
Source)
> 	at org.apache.derby.impl.sql.compile.UnionNode.pushExpressions(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.UnionNode.pushExpressions(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.ProjectRestrictNode.pushExpressions(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.FromList.pushPredicates(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.SelectNode.preprocess(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.DMLStatementNode.optimizeStatement(Unknown Source)
> 	at org.apache.derby.impl.sql.compile.CursorNode.optimizeStatement(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)
> 	... 19 more

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