[teiid-issues] [JBoss JIRA] Commented: (TEIID-962) Create new system function to dump temp table contents to file.
Steven Hawkins (JIRA)
jira-events at lists.jboss.org
Fri Sep 3 16:14:52 EDT 2010
[ https://jira.jboss.org/browse/TEIID-962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12548991#action_12548991 ]
Steven Hawkins commented on TEIID-962:
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Another approach for those who want to treat text as tables (not just import/export) is to use the text table functionality of hsql http://hsqldb.org/doc/guide/ch06.html to represent the files as tables, then import the tables into teiid. We could also consider providing a wrapper of this approach in a more turnkey manner.
> Create new system function to dump temp table contents to file.
> -----------------------------------------------------------------
>
> Key: TEIID-962
> URL: https://jira.jboss.org/browse/TEIID-962
> Project: Teiid
> Issue Type: Feature Request
> Components: Query Engine
> Affects Versions: 6.0.0
> Environment: All
> Reporter: Ken Johnson
> Assignee: Steven Hawkins
> Fix For: 7.2
>
>
> A requirement to produce a CSV file reflecting the contents of a query result set so it can be subsequently FTP'd or email'd. In Nov 07 implemented this feature using the exec connector, a shell script and mods to JDBCISQL.
> Suggested capability: function will take the following parameters:
> - Temp table name as string
> - Target file name (path qualified) as string
> - Delimiter as string
> When invoked, the specified temp table contents will be written out to the specified file using the specified delimiter to separate the column values.
> This generic capability will allow the CSV file thats needed and subsequently process it with other UDF functionality as necessary.
> Open questions:
> 1. How does file path behave in a clustered environment? Is it relative to the MM Server install dir or fully qualified?
> Suggest this feature remain undocumented for the short term.
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