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Sandhya Sundaresan edited comment on TRAFODION-1473 at 1/5/16 6:53 PM: ----------------------------------------------------------------------- The JIRA has to be reopened since the the lob to buffer extract support needs to be enhanced to allow for cursor-like support. The caller should be able to specify a buffer to extract the lob data out in chunks of a specified length. ALso support for input from a user buffer to a lob column via insert and update needs to be supported. was (Author: sandhya): The JIRA has to be reopened since the the lob to buffer extract support needs to be enhanced to allow for cursor-like support. The caller should be able to specify a buffer to extract the lob data out in chunks of a specified length. > Adding external buffer and file input and extract support for LOB datatypes > ----------------------------------------------------------------------------- > > Key: TRAFODION-1473 > URL: https://issues.apache.org/jira/browse/TRAFODION-1473 > Project: Apache Trafodion > Issue Type: Task > Components: sql-cmp, sql-exe > Environment: Trafodion > Reporter: Sandhya Sundaresan > Assignee: Sandhya Sundaresan > Labels: features > Fix For: 1.2-incubating > > > LOB datatype is disabled in Trafodion until the following support is fully > in. > Here are the list of tasks and items to support : > 1. Support input of linux files (on platform) into LOB columns. > 2. Support extract of LOB data into linux files on platform. > 3. Support input of hdfs files into LOB columns. > 4. Support extract of LOB data into hdfs files. > 5. Support chunking to input a very large external file into LOB columns. > 6. Use CQD concept to limit LOB max size and limit chunk size for extract > /input. > TBD > 7. Support for input/extract of external files off platform into LOB columns. > 8. Support in connectivity and driver for real LOB data type. -- This message was sent by Atlassian JIRA (v6.3.4#6332)