xiaohui created CARBONDATA-3844:
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Summary: Every time the query is scanned, all databases of
metadata are scanned, causing the query to be slow
Key: CARBONDATA-3844
URL: https://issues.apache.org/jira/browse/CARBONDATA-3844
Project: CarbonData
Issue Type: Bug
Components: spark-integration
Affects Versions: 2.0.0
Reporter: xiaohui
When a query is executed, all databases of metadata are scanned, and if the
number of databases is very large, the execution time increases for a long time
each time, reducing query performance
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