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https://issues.apache.org/jira/browse/EMPIREDB-253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rainer Döbele resolved EMPIREDB-253.
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Resolution: Fixed
Fix Version/s: empire-db-2.4.7
added unionAll function to DBCommandExpr
> Add UNION ALL support to DBCommand
> ----------------------------------
>
> Key: EMPIREDB-253
> URL: https://issues.apache.org/jira/browse/EMPIREDB-253
> Project: Empire-DB
> Issue Type: Improvement
> Components: Core
> Reporter: Ivan Nemeth
> Priority: Minor
> Fix For: empire-db-2.4.7
>
>
> Currently only UNION is implemented, UNION ALL can be implemented with the
> same pattern.
> public DBCommandExpr unionAll(DBCommandExpr other)
> { // give driver a chance to subclass DBCombinedCmd
> DBDatabaseDriver driver = getDatabase().getDriver();
> return driver.createCombinedCommand(this, "UNION ALL", other);
> }
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