private Optional<List<String>> loadAllViews(String databaseName) throws Exception {
try {
return retry()
.stopOn(UnknownDBException.class)
.stopOnIllegalExceptions()
.run(
"getAllViews",
stats
.getAllViews()
.wrap(
() -> {
try (HiveMetastoreClient client = clientProvider.createMetastoreClient()) {
String filter =
HIVE_FILTER_FIELD_PARAMS + PRESTO_VIEW_FLAG + " = \"true\"";
return Optional.of(client.getTableNamesByFilter(databaseName, filter));
}
}));
} catch (UnknownDBException e) {
return Optional.empty();
} catch (TException e) {
throw new PrestoException(HIVE_METASTORE_ERROR, e);
}
}
