feat: initial fluxer codebase import

fluxer_metrics/src/db/migrations/002_materialized_views.sql

@@ -0,0 +1,23 @@
+CREATE MATERIALIZED VIEW IF NOT EXISTS counters_hourly_mv
+TO counters_hourly
+AS SELECT
+    metric_name,
+    toStartOfHour(timestamp_bucket) AS period_start,
+    dimensions_hash,
+    anyLast(dimensions) AS dimensions,
+    sum(value) AS total_value,
+    count() AS sample_count
+FROM counters
+GROUP BY metric_name, period_start, dimensions_hash;
+
+CREATE MATERIALIZED VIEW IF NOT EXISTS counters_daily_mv
+TO counters_daily
+AS SELECT
+    metric_name,
+    toStartOfDay(period_start) AS period_start,
+    dimensions_hash,
+    anyLast(dimensions) AS dimensions,
+    sum(total_value) AS total_value,
+    sum(sample_count) AS sample_count
+FROM counters_hourly
+GROUP BY metric_name, period_start, dimensions_hash