code: def load_part(fpath):
      cols_names = [
          "P_PARTKEY",
          "P_NAME",
          "P_MFGR",
          "P_BRAND",
          "P_TYPE",
          "P_SIZE",
          "P_CONTAINER",
          "P_RETAILPRICE",
          "P_COMMENT",
      ]
      cols = {
          "P_PARTKEY": np.int64,
          "P_NAME": str,
          "P_MFGR": str,
          "P_BRAND": str,
          "P_TYPE": str,
          "P_SIZE": np.int64,
          "P_CONTAINER": str,
          "P_RETAILPRICE": np.float64,
          "P_COMMENT": str,
      }
      rel = pd.read_csv(
          fpath, sep="|", header=None, names=cols_names, dtype=cols
      )
      return rel
  
file_path: mars/benchmarks/tpch/loader.py
imports: import numpy
  import pandas
label_desc: Use image node_id 3 for calling a global function with example usage: load_part(fpath) and returns: rel