Github user hyunsik commented on the pull request:
https://github.com/apache/tajo/pull/990#issuecomment-219886726
Could you explain the purpose of this patch?
See setDatabase() in the below. The variable 'database' already contains
'mapped_dbname'.
```
public JdbcTablespace(String name, URI uri, JSONObject config) {
super(name, uri, config);
setDatabase();
setJdbcProperties();
}
private void setDatabase() {
if (config.containsKey(CONFIG_KEY_MAPPED_DATABASE)) {
database = this.config.getAsString(CONFIG_KEY_MAPPED_DATABASE);
} else {
database = ConnectionInfo.fromURI(uri).database();
}
}
```
But, your patch changes as the below. It's a duplicate.
```
public MetadataProvider getMetadataProvider() {
return new PgSQLMetadataProvider(this, database,
ConnectionInfo.fromURI(uri).database());
}
```
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