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FR: Cross-database Merge table engine #776

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ratb3rt opened this issue May 9, 2017 · 0 comments · Fixed by #25064
Closed

FR: Cross-database Merge table engine #776

ratb3rt opened this issue May 9, 2017 · 0 comments · Fixed by #25064
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feature st-community-taken External developer is working on that

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@ratb3rt
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ratb3rt commented May 9, 2017

Feature request:
A new DBMerge table engine, which can run the Merge engine across databases, using a regex for database name matching. For instance:
Merge('^Web', '^WatchLog')would return results from all tables that matched '^WatchLog' in all databases that matched '^Web'. An additional column database_name would identify the database where the table data came from.
@ztlpn ztlpn added the feature label May 11, 2017
@blinkov blinkov changed the title Feature request: Cross-database Merge table engine FR: Cross-database Merge table engine Jul 26, 2018
@alexey-milovidov alexey-milovidov added the st-community-taken External developer is working on that label Jul 3, 2021
@alexey-milovidov alexey-milovidov mentioned this issue Jul 3, 2021
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Database argument for StorageMerge support regular expression. ucasfl/ClickHouse
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@ztlpn @ratb3rt @alexey-milovidov