\set lineitem_1_data_file :abs_srcdir '/data/lineitem.1.data' \set lineitem_2_data_file :abs_srcdir '/data/lineitem.2.data' \set orders_1_data_file :abs_srcdir '/data/orders.1.data' \set orders_2_data_file :abs_srcdir '/data/orders.2.data' COPY lineitem_hash_part FROM :'lineitem_1_data_file' with delimiter '|'; COPY lineitem_hash_part FROM :'lineitem_2_data_file' with delimiter '|'; COPY orders_hash_part FROM :'orders_1_data_file' with delimiter '|'; COPY orders_hash_part FROM :'orders_2_data_file' with delimiter '|';