Method Update

tensorflow/core/summary/summary_db_writer.cc:692–716

  }

  Status Update(Sqlite* db, int64 step, double computed_time, const Tensor& t,
                const StringPiece& data, int64 rowid) {
    const char* sql = R"sql(
      UPDATE OR REPLACE
        Tensors
      SET
        step = ?,
        computed_time = ?,
        dtype = ?,
        shape = ?,
        data = ?
      WHERE
        rowid = ?
    )sql";
    SqliteStatement stmt;
    TF_RETURN_IF_ERROR(db->Prepare(sql, &stmt));
    stmt.BindInt(1, step);
    stmt.BindDouble(2, computed_time);
    stmt.BindInt(3, t.dtype());
    stmt.BindText(4, StringifyShape(t.shape()));
    stmt.BindBlobUnsafe(5, data);
    stmt.BindInt(6, rowid);
    TF_RETURN_IF_ERROR(stmt.StepAndReset());
    return Status::OK();
  }

  Status UpdateNdString(Sqlite* db, const Tensor& t, int64 tensor_rowid)
      SQLITE_EXCLUSIVE_TRANSACTIONS_REQUIRED(*db) {