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https://issues.apache.org/jira/browse/NIFI-2156?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15365555#comment-15365555
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ASF GitHub Bot commented on NIFI-2156:
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Github user mattyb149 closed the pull request at:
https://github.com/apache/nifi/pull/599
> Add ListDatabaseTables processor
> --------------------------------
>
> Key: NIFI-2156
> URL: https://issues.apache.org/jira/browse/NIFI-2156
> Project: Apache NiFi
> Issue Type: Sub-task
> Components: Extensions
> Reporter: Matt Burgess
> Assignee: Matt Burgess
> Fix For: 1.0.0
>
>
> This processor would use a DatabaseConnectionPool controller service, call
> getTables(), and if the (optional, defaulting-to-false) property "Include Row
> Count" is set, then a "SELECT COUNT(1) from table" would be issued to the
> database. The table catalog, schema, name, type, remarks (and its count if
> specified) will be included as attributes in a zero-content flow file.
> It will also use State Management to only list tables once. If new tables are
> added (and the processor is running), then the new tables' flow files will be
> generated. Changing any property that could affect the list of returned
> tables (such as the DB Connection, catalog, schema pattern, table name
> pattern, or table types) will reset the state and all tables will be fetched
> using the new criteria. The state can also be manually cleared using the
> standard Clear State link on the View State dialog (available on the
> processor's context menu)
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