Allow number of fields to be supplied when field names are not known in
DBOutputFormat#setOutput()
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Key: HADOOP-5500
URL: https://issues.apache.org/jira/browse/HADOOP-5500
Project: Hadoop Core
Issue Type: Improvement
Components: mapred
Affects Versions: 0.21.0
Reporter: Enis Soztutar
Assignee: Enis Soztutar
DBOutputFormat expects the column names to be included in the query. However,
if the field names are not available, only the number of fields is sufficient
for preparing the SELECT query.
This issue will add API support for supplying the number of fields in
DBOutputFormat#setOutput().
Please see HADOOP-4955 and HADOOP-5307 for related context.
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