Java Common.Signature.getSql Examples

Example #1

File: Meta.java Project: monajalal/incubator-calcite

    public static Signature fromProto(Common.Signature protoSignature) {
      List<ColumnMetaData> metadata = new ArrayList<>(protoSignature.getColumnsCount());
      for (Common.ColumnMetaData protoMetadata : protoSignature.getColumnsList()) {
        metadata.add(ColumnMetaData.fromProto(protoMetadata));
      }

      List<AvaticaParameter> parameters = new ArrayList<>(protoSignature.getParametersCount());
      for (Common.AvaticaParameter protoParam : protoSignature.getParametersList()) {
        parameters.add(AvaticaParameter.fromProto(protoParam));
      }

      final Descriptor desc = protoSignature.getDescriptorForType();

      String sql = null;
      if (ProtobufService.hasField(protoSignature, desc, Common.Signature.SQL_FIELD_NUMBER)) {
        sql = protoSignature.getSql();
      }

      CursorFactory cursorFactory = null;
      if (ProtobufService.hasField(
          protoSignature, desc, Common.Signature.CURSOR_FACTORY_FIELD_NUMBER)) {
        cursorFactory = CursorFactory.fromProto(protoSignature.getCursorFactory());
      }

      return Signature.create(metadata, sql, parameters, cursorFactory);
    }