Use explicit schema names

Currently these work in promscale because of how the search path is
configured, but they will need adjusting when we move this SQL to the
extension.

Author: JamesGuthrie

pkg/migrations/migration_files_generated.go

@@ -20,7 +20,7 @@ BEGIN
         WHERE EXISTS (
             SELECT 1 FROM
             SCHEMA_CATALOG.get_storage_hypertable_info(m.table_schema, m.table_name, m.is_view) hi
-            INNER JOIN show_chunks(hi.hypertable_relation,
+            INNER JOIN SCHEMA_TIMESCALE.show_chunks(hi.hypertable_relation,
                          older_than=>NOW() - SCHEMA_CATALOG.get_metric_retention_period(m.table_schema, m.metric_name)) sc ON TRUE)
         --random order also to prevent starvation
         ORDER BY random();

pkg/migrations/sql/idempotent/maintenance.sql

@@ -136,7 +136,7 @@ $$
         END IF;
 
         -- First try to use promscale_extension to fill the metadata table.
-        PERFORM update_tsprom_metadata(telemetry_name, telemetry_value, TRUE);
+        PERFORM SCHEMA_EXT.update_tsprom_metadata(telemetry_name, telemetry_value, TRUE);
 
         -- If promscale_extension is not installed, the above line will fail. Hence, catch the exception and try the manual way.
         EXCEPTION WHEN OTHERS THEN

pkg/migrations/sql/idempotent/telemetry.sql

@@ -47,8 +47,8 @@ GRANT EXECUTE ON FUNCTION SCHEMA_CATALOG.is_timescaledb_oss() TO prom_reader;
 DO $$
 BEGIN
     IF NOT SCHEMA_CATALOG.is_timescaledb_oss() AND SCHEMA_CATALOG.get_timescale_major_version() >= 2 THEN
-       PERFORM add_job('SCHEMA_CATALOG.execute_maintenance_job', '30 min');
-       PERFORM add_job('SCHEMA_CATALOG.execute_maintenance_job', '30 min');
+       PERFORM SCHEMA_TIMESCALE.add_job('SCHEMA_CATALOG.execute_maintenance_job', '30 min');
+       PERFORM SCHEMA_TIMESCALE.add_job('SCHEMA_CATALOG.execute_maintenance_job', '30 min');
     END IF;
 END
 $$;

pkg/migrations/sql/preinstall/006-install_uda.sql

@@ -106,7 +106,7 @@ func (t *engineImpl) writeMetadata() error {
 }
 
 const (
-	metadataUpdateWithExtension = "SELECT update_tsprom_metadata($1, $2, $3)"
+	metadataUpdateWithExtension = "SELECT " + schema.Ext + ".update_tsprom_metadata($1, $2, $3)"
 	metadataUpdateNoExtension   = "INSERT INTO _timescaledb_catalog.metadata(key, value, include_in_telemetry) VALUES ('promscale_' || $1, $2, $3) ON CONFLICT (key) DO UPDATE SET value = EXCLUDED.value, include_in_telemetry = EXCLUDED.include_in_telemetry"
 )