Major Description
HiveResult performs some compatibility matches and conversions for commands to be compatible with Hive output, e.g.:
case ExecutedCommandExec(_: DescribeCommandBase) =>
// If it is a describe command for a Hive table, we want to have the output format
// be similar with Hive.
...
// SHOW TABLES in Hive only output table names, while ours output database, table name, isTemp.
case command @ ExecutedCommandExec(s: ShowTablesCommand) if !s.isExtended =>
It is needed for DatasourceV2 commands as well (eg. ShowTablesExec...).
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