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https://issues.apache.org/jira/browse/BEAM-4815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17547246#comment-17547246
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Kenneth Knowles commented on BEAM-4815:
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This issue has been migrated to https://github.com/apache/beam/issues/19014
> [SQL] Document/fix text table (TextIO) insert behavior
> ------------------------------------------------------
>
> Key: BEAM-4815
> URL: https://issues.apache.org/jira/browse/BEAM-4815
> Project: Beam
> Issue Type: Improvement
> Components: dsl-sql
> Reporter: Anton Kedin
> Priority: P3
>
> Tables of type `text` are backed by TextIO. We don't do any extra
> configuration, so it results in behavior like this:
> - create text table with location 'test-file.csv'
> - if the file exists, you can select from it;
> - now insert values into that table;
> - this results in TextIO writing files with names like
> 'test-file.csv-00000-of-00001';
> - selecting from the original table doesn't allow selecting from the
> newly created files;
> We need to properly document this, possibly log to Stdout.
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