From af03ecdf42fbe30551e523f42ff41f067205ac37 Mon Sep 17 00:00:00 2001
From: hsiegeln <37154749+hsiegeln@users.noreply.github.com>
Date: Mon, 16 Mar 2026 19:32:54 +0100
Subject: [PATCH] fix: use WITH NO DATA for continuous aggregates to avoid
 transaction block error

---
 .../migration/V8__continuous_aggregates.sql   | 22 ++++++++++---------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/cameleer3-server-app/src/main/resources/db/migration/V8__continuous_aggregates.sql b/cameleer3-server-app/src/main/resources/db/migration/V8__continuous_aggregates.sql
index 1161bf3a..056ba07c 100644
--- a/cameleer3-server-app/src/main/resources/db/migration/V8__continuous_aggregates.sql
+++ b/cameleer3-server-app/src/main/resources/db/migration/V8__continuous_aggregates.sql
@@ -1,8 +1,6 @@
--- flyway:executeInTransaction=false
-
 -- Global stats
 CREATE MATERIALIZED VIEW stats_1m_all
-WITH (timescaledb.continuous) AS
+WITH (timescaledb.continuous, timescaledb.materialized_only = false) AS
 SELECT
     time_bucket('1 minute', start_time) AS bucket,
     COUNT(*) AS total_count,
@@ -13,7 +11,8 @@ SELECT
     approx_percentile(0.99, percentile_agg(duration_ms::DOUBLE PRECISION)) AS p99_duration
 FROM executions
 WHERE status IS NOT NULL
-GROUP BY bucket;
+GROUP BY bucket
+WITH NO DATA;
 
 SELECT add_continuous_aggregate_policy('stats_1m_all',
     start_offset => INTERVAL '1 hour',
@@ -22,7 +21,7 @@ SELECT add_continuous_aggregate_policy('stats_1m_all',
 
 -- Per-application stats
 CREATE MATERIALIZED VIEW stats_1m_app
-WITH (timescaledb.continuous) AS
+WITH (timescaledb.continuous, timescaledb.materialized_only = false) AS
 SELECT
     time_bucket('1 minute', start_time) AS bucket,
     group_name,
@@ -34,7 +33,8 @@ SELECT
     approx_percentile(0.99, percentile_agg(duration_ms::DOUBLE PRECISION)) AS p99_duration
 FROM executions
 WHERE status IS NOT NULL
-GROUP BY bucket, group_name;
+GROUP BY bucket, group_name
+WITH NO DATA;
 
 SELECT add_continuous_aggregate_policy('stats_1m_app',
     start_offset => INTERVAL '1 hour',
@@ -43,7 +43,7 @@ SELECT add_continuous_aggregate_policy('stats_1m_app',
 
 -- Per-route stats
 CREATE MATERIALIZED VIEW stats_1m_route
-WITH (timescaledb.continuous) AS
+WITH (timescaledb.continuous, timescaledb.materialized_only = false) AS
 SELECT
     time_bucket('1 minute', start_time) AS bucket,
     group_name,
@@ -56,7 +56,8 @@ SELECT
     approx_percentile(0.99, percentile_agg(duration_ms::DOUBLE PRECISION)) AS p99_duration
 FROM executions
 WHERE status IS NOT NULL
-GROUP BY bucket, group_name, route_id;
+GROUP BY bucket, group_name, route_id
+WITH NO DATA;
 
 SELECT add_continuous_aggregate_policy('stats_1m_route',
     start_offset => INTERVAL '1 hour',
@@ -65,7 +66,7 @@ SELECT add_continuous_aggregate_policy('stats_1m_route',
 
 -- Per-processor stats (uses denormalized group_name/route_id on processor_executions)
 CREATE MATERIALIZED VIEW stats_1m_processor
-WITH (timescaledb.continuous) AS
+WITH (timescaledb.continuous, timescaledb.materialized_only = false) AS
 SELECT
     time_bucket('1 minute', start_time) AS bucket,
     group_name,
@@ -77,7 +78,8 @@ SELECT
     MAX(duration_ms) AS duration_max,
     approx_percentile(0.99, percentile_agg(duration_ms::DOUBLE PRECISION)) AS p99_duration
 FROM processor_executions
-GROUP BY bucket, group_name, route_id, processor_type;
+GROUP BY bucket, group_name, route_id, processor_type
+WITH NO DATA;
 
 SELECT add_continuous_aggregate_policy('stats_1m_processor',
     start_offset => INTERVAL '1 hour',