opravy chybejicich contraints

db/migration/V032__market_interval_price_primary_key.sql

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+-- OTE import (fn_ote_import_from_json) používá ON CONFLICT (market_source, interval_start).
+-- Bez odpovídajícího UNIQUE/PK PostgreSQL hlásí:
+--   "there is no unique or exclusion constraint matching the ON CONFLICT specification"
+-- Některé instalace (ruční DB, nestandardní pořadí migrací, restore) mohly zůstat bez PK.
+
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1
+    FROM pg_catalog.pg_class r
+    JOIN pg_catalog.pg_namespace n ON n.oid = r.relnamespace
+    WHERE n.nspname = 'ems'
+      AND r.relname = 'market_interval_price'
+      AND r.relkind = 'r'
+  ) AND NOT EXISTS (
+    SELECT 1
+    FROM pg_catalog.pg_constraint c
+    JOIN pg_catalog.pg_class r ON r.oid = c.conrelid
+    JOIN pg_catalog.pg_namespace n ON n.oid = r.relnamespace
+    WHERE n.nspname = 'ems'
+      AND r.relname = 'market_interval_price'
+      AND c.contype = 'p'
+  ) THEN
+    ALTER TABLE ems.market_interval_price
+      ADD CONSTRAINT market_interval_price_pkey PRIMARY KEY (market_source, interval_start);
+  END IF;
+END $$;

db/migration/V033__telemetry_hypertable_primary_keys.sql

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+-- telemetry_collector: INSERT … ON CONFLICT vyžaduje UNIQUE/PK odpovídající cíli konfliktu.
+-- Stejná třída problému jako u market_interval_price (V032): DB bez primárních klíčů z V001.
+
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM pg_catalog.pg_class r
+    JOIN pg_catalog.pg_namespace n ON n.oid = r.relnamespace
+    WHERE n.nspname = 'ems' AND r.relname = 'telemetry_inverter' AND r.relkind = 'r'
+  ) AND NOT EXISTS (
+    SELECT 1 FROM pg_catalog.pg_constraint c
+    JOIN pg_catalog.pg_class r ON r.oid = c.conrelid
+    JOIN pg_catalog.pg_namespace n ON n.oid = r.relnamespace
+    WHERE n.nspname = 'ems' AND r.relname = 'telemetry_inverter' AND c.contype = 'p'
+  ) THEN
+    ALTER TABLE ems.telemetry_inverter
+      ADD CONSTRAINT telemetry_inverter_pkey PRIMARY KEY (inverter_id, measured_at);
+  END IF;
+END $$;
+
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM pg_catalog.pg_class r
+    JOIN pg_catalog.pg_namespace n ON n.oid = r.relnamespace
+    WHERE n.nspname = 'ems' AND r.relname = 'telemetry_ev_charger' AND r.relkind = 'r'
+  ) AND NOT EXISTS (
+    SELECT 1 FROM pg_catalog.pg_constraint c
+    JOIN pg_catalog.pg_class r ON r.oid = c.conrelid
+    JOIN pg_catalog.pg_namespace n ON n.oid = r.relnamespace
+    WHERE n.nspname = 'ems' AND r.relname = 'telemetry_ev_charger' AND c.contype = 'p'
+  ) THEN
+    ALTER TABLE ems.telemetry_ev_charger
+      ADD CONSTRAINT telemetry_ev_charger_pkey PRIMARY KEY (charger_id, connector_id, measured_at);
+  END IF;
+END $$;
+
+DO $$
+BEGIN
+  IF EXISTS (
+    SELECT 1 FROM pg_catalog.pg_class r
+    JOIN pg_catalog.pg_namespace n ON n.oid = r.relnamespace
+    WHERE n.nspname = 'ems' AND r.relname = 'telemetry_heat_pump' AND r.relkind = 'r'
+  ) AND NOT EXISTS (
+    SELECT 1 FROM pg_catalog.pg_constraint c
+    JOIN pg_catalog.pg_class r ON r.oid = c.conrelid
+    JOIN pg_catalog.pg_namespace n ON n.oid = r.relnamespace
+    WHERE n.nspname = 'ems' AND r.relname = 'telemetry_heat_pump' AND c.contype = 'p'
+  ) THEN
+    ALTER TABLE ems.telemetry_heat_pump
+      ADD CONSTRAINT telemetry_heat_pump_pkey PRIMARY KEY (heat_pump_id, measured_at);
+  END IF;
+END $$;
+
+-- Jeden otevřený řádek session na nabíječku (V020); bez indexu spadne ON CONFLICT v telemetry_collector.
+CREATE UNIQUE INDEX IF NOT EXISTS uidx_ev_session_charger_open
+    ON ems.ev_session (charger_id)
+    WHERE session_end IS NULL;