@Override
public IndexResponse getIndexByColumnNames(
RpcController controller, GetIndexByColumnNamesRequest request) throws ServiceException {
TableIdentifierProto identifier = request.getTableIdentifier();
String databaseName = identifier.getDatabaseName();
String tableName = identifier.getTableName();
List<String> columnNamesList = request.getColumnNamesList();
String[] columnNames = new String[columnNamesList.size()];
columnNames = columnNamesList.toArray(columnNames);
rlock.lock();
try {
if (!store.existIndexByColumns(databaseName, tableName, columnNames)) {
return IndexResponse.newBuilder()
.setState(errUndefinedIndex(tableName, columnNamesList))
.build();
}
return IndexResponse.newBuilder()
.setState(OK)
.setIndexDesc(store.getIndexByColumns(databaseName, tableName, columnNames))
.build();
} catch (Throwable t) {
printStackTraceIfError(LOG, t);
return IndexResponse.newBuilder().setState(returnError(t)).build();
} finally {
rlock.unlock();
}
}
@Override
public ReturnState existIndexByColumnNames(
RpcController controller, GetIndexByColumnNamesRequest request) throws ServiceException {
TableIdentifierProto identifier = request.getTableIdentifier();
String databaseName = identifier.getDatabaseName();
String tableName = identifier.getTableName();
List<String> columnNames = request.getColumnNamesList();
try {
// linked meta data do not support index. The request will be failed.
if (linkedMetadataManager.existsDatabase(databaseName)) {
return errUndefinedIndex(tableName);
}
} catch (Throwable t) {
printStackTraceIfError(LOG, t);
return returnError(t);
}
rlock.lock();
try {
return store.existIndexByColumns(
databaseName, tableName, columnNames.toArray(new String[columnNames.size()]))
? OK
: errUndefinedIndex(tableName, columnNames);
} catch (Throwable t) {
printStackTraceIfError(LOG, t);
return returnError(t);
} finally {
rlock.unlock();
}
}
public FunctionSignature(String signature, FunctionType type, List<DataType> arguments) {
this.signature = signature;
this.type = type;
this.arguments = arguments.toArray(new DataType[arguments.size()]);
}