Updated pirsch and added country statistics to tracking page.

schema/0003_pirsch_update.up.sql

@@ -0,0 +1,21 @@
+ALTER TABLE "hit" ADD COLUMN "country_code" character varying(2);
+
+CREATE TABLE "country_stats" (
+    id bigint NOT NULL UNIQUE,
+    tenant_id bigint,
+    day date NOT NULL,
+    visitors integer NOT NULL,
+    country_code character varying(2)
+);
+
+CREATE SEQUENCE country_stats_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+ALTER SEQUENCE country_stats_id_seq OWNED BY "country_stats".id;
+ALTER TABLE ONLY "country_stats" ALTER COLUMN id SET DEFAULT nextval('country_stats_id_seq'::regclass);
+ALTER TABLE ONLY "country_stats" ADD CONSTRAINT country_stats_pkey PRIMARY KEY (id);
+CREATE INDEX country_stats_day_index ON country_stats(day);