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https://issues.apache.org/jira/browse/TRAFODION-2598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15987647#comment-15987647
]
ASF GitHub Bot commented on TRAFODION-2598:
-------------------------------------------
Github user DaveBirdsall commented on a diff in the pull request:
https://github.com/apache/incubator-trafodion/pull/1072#discussion_r113796988
--- Diff: core/sql/generator/GenPreCode.cpp ---
@@ -5570,18 +5570,36 @@ RelExpr * HbaseInsert::preCodeGen(Generator *
generator,
li->lobSize() = tgtValueId.getType().getPrecision();
li->lobFsType() = tgtValueId.getType().getFSDatatype();
- li->lobNum() = col->lobNum();
+ li->lobNum() = tgtCol->lobNum();
if ((child1Expr->getOperatorType() == ITM_CONSTANT) &&
!(((ConstValue *)child1Expr)->isNull()))
- if (li->lobStorageType() != col->lobStorageType())
+ {
+ if (srcCol->lobStorageType() !=
tgtCol->lobStorageType())
{
*CmpCommon::diags() << DgSqlCode(-1432)
- <<
DgInt0((Int32)li->lobStorageType())
- <<
DgInt1((Int32)col->lobStorageType())
- <<
DgString0(col->getColName());
+ <<
DgInt0((Int32)srcCol->lobStorageType())
+ <<
DgInt1((Int32)tgtCol->lobStorageType())
+ <<
DgString0(tgtCol->getColName());
GenExit();
}
- li->lobStorageLocation() = col->lobStorageLocation();
+ }
+ else
+ if ((child1Expr->getOperatorType() ==
ITM_BASECOLUMN)||
+ (child1Expr->getOperatorType() ==
ITM_INDEXCOLUMN))
--- End diff --
Can a LOB column be an index column?
> Insert Select to/from Trafodion tables containing LOB columns
> -------------------------------------------------------------
>
> Key: TRAFODION-2598
> URL: https://issues.apache.org/jira/browse/TRAFODION-2598
> Project: Apache Trafodion
> Issue Type: Bug
> Components: sql-exe
> Reporter: Sandhya Sundaresan
> Assignee: Sandhya Sundaresan
> Fix For: 2.2-incubating
>
>
> Get insert-select from LOB columns to target tables containing LOB columns to
> work. Two cases need to be considered:
> 1. LOB columns thatt contain the lob data in HDFS (regular LOB columns)
> 2. LOB columns that contain external LOB data - the data is contained in
> external LOB files - the Trafodion tables won't contain the LOB data.
> Restrictions : If a table contains an external LOB column the target table
> must also contain an external LOB column to be able to do an insert-select.
> Cannot insert a regular LOB column into an external LOB column in target
> table and vice versa.
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