paul-rogers commented on a change in pull request #2060: DRILL-7706: Implement
Drill RDBMS Metastore for Tables component
URL: https://github.com/apache/drill/pull/2060#discussion_r410822200
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File path: metastore/rdbms-metastore/README.md
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+# RDBMS Metastore
+
+RDBMS Metastore implementation allows to store Drill Metastore metadata in
configured RDBMS.
+
+## Configuration
+
+Currently, RDBMS Metastore is not default Drill Metastore implementation.
+To enable RDBMS Metastore create `drill-metastore-override.conf` and indicate
RDBMS Metastore class:
+
+```
+drill.metastore: {
+ implementation.class: "org.apache.drill.metastore.rdbms.RdbmsMetastore"
+}
+```
+
+### Connection properties
+
+Data source connection properties allows to indicate how to connect to Drill
Metastore database.
+
+`drill.metastore.rdbms.data_source.driver` - driver class name. Required.
+Note, driver must be included into Drill classpath prior to start up for all
databases except of SQLite.
Review comment:
Note ~~,~~ **: the** driver **class** must be included into **the** Drill
classpath ~~prior to start up for all databases except of SQLite~~ . The
easiest way to do that is to put the driver jar file into the
`$DRILL_HOME/jars/3rdparty` folder. Or, to make upgrades easier, in your
`$DRILL_SITE/jars` folder. Drill includes the driver for SQLite.
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