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Posted to issues@trafodion.apache.org by "Sandhya Sundaresan (JIRA)" <ji...@apache.org> on 2017/04/25 20:59:04 UTC
[jira] [Created] (TRAFODION-2598) Insert Select to/from Trafodion
tables containing LOB columns
Sandhya Sundaresan created TRAFODION-2598:
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Summary: 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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