SHELL := /bin/bash

TABLES = stops

SCHEMA = zhv

psql = $(strip psql -v schema=$(SCHEMA))

# $(addprefix prefix,names…): The argument names is regarded as a series of names, separated by whitespace; prefix is used as a unit. The value of prefix is prepended to the front of each individual name and the resulting larger names are concatenated with single spaces between them.
#
# FORMAT(format_string [, format_arg [, ...] ])
load: $(addprefix load-,$(TABLES))
	@$(psql) -t -A -c "SELECT FORMAT('* loaded %s', feed_file) WHERE feed_file = '$(GTFS)';"

copy: $(ZHV)
	$(psql) -c "\copy zhv.stops(stop_seq_no,stop_type,stop_dhid,stop_parent,stop_name,stop_lat,stop_lon,stop_municipality_code,stop_municipality,stop_district_code,stop_district,stop_condition,stop_state,stop_description,stop_authority,stop_delfi_name,stop_tariff_dhid,stop_tariff_name) FROM '$<' DELIMITER ';' CSV HEADER;"

# -v: variable assignment, like the /set meta-command
# $<: name of the firest prerequisite
init: sql/schema.sql
	$(psql) -v ON_ERROR_STOP=on -f $<