feat: add bin/services.sh

bin/services.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+#
+echo "Started..."
+#Started...
+#
+# special variable $# is the number of arguments
+if [ $# -lt 3 ] ; then
+    echo 'Call ./<script> <db name> <db user> <db schema>'
+    exit 1
+fi
+#
+DB_NAME="$1"
+echo "DB_NAME: ${DB_NAME}"
+DB_USER="$2"
+echo "DB_USER: ${DB_USER}"
+DB_SCHEMA="$3"
+echo "DB_SCHEMA: ${DB_SCHEMA}"
+#
+psql -h localhost -p 5432 -U $DB_USER -f ./sql/service.sql -d $DB_NAME -v schema=$DB_SCHEMA
+#
+echo "Done."
+#done.

sql/route-count.sql

@@ -3,6 +3,6 @@
 CREATE SCHEMA IF NOT EXISTS :schema;
 SET search_path to :schema, public;
 
----create view
+-- create view
 CREATE OR REPLACE VIEW :schema.vw_route_count AS
 SELECT count(DISTINCT rts.route_id) AS route_count, rts.agency_id, gncy.agency_name FROM :schema.routes AS rts LEFT JOIN :schema.agency AS gncy ON rts.agency_id = gncy.agency_id GROUP BY rts.agency_id, gncy.agency_name ORDER BY route_count DESC;

sql/service.sql

@@ -0,0 +1,15 @@
+-- colon before variable: for a prepared statement using named placeholders, this will be a parameter name of the form :name
+
+CREATE SCHEMA IF NOT EXISTS :schema;
+SET search_path to :schema, public;
+
+-- create table
+DROP TABLE IF EXISTS :schema.services;
+
+CREATE TABLE IF NOT EXISTS :schema.services
+(
+service_id text NOT NULL,
+dates text,
+CONSTRAINT services_service_id_fkey FOREIGN KEY (service_id) REFERENCES :schema.calendar(service_id)
+);
+