Minor Description
MetaStoreSchemaInfo class is used by Schema tool to get the schema version information. In addition to that schema tool invokes its init and upgrade methods to initialize and upgrade the metastore schema. It is possible that there are minor schema changes in the metastore schema which users have to maintain manually. We can potentially enhance schema tool to use a custom MetaStoreSchemaInfo implementation which can be plugged in based on configuration and schematool could run these customizations while running the upgrade and init scripts.
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