when create materialized do so without data, better logging

layers/transportation_name/merge_highways.sql

@@ -29,7 +29,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring AS (
 	    WHERE (name <> '' OR ref <> '') AND NULLIF(highway, '') IS NOT NULL
 	    GROUP BY name, highway, ref
 	) AS highway_union
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_geometry_idx ON osm_transportation_name_linestring USING gist(geometry);
 
 -- etldoc: osm_transportation_name_linestring -> osm_transportation_name_linestring_gen1
@@ -37,7 +37,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen1 AS (
     SELECT ST_Simplify(geometry, 50) AS geometry, osm_id, member_osm_ids, name, ref, highway, z_order
     FROM osm_transportation_name_linestring
     WHERE highway IN ('motorway','trunk')  AND ST_Length(geometry) > 8000
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen1_geometry_idx ON osm_transportation_name_linestring_gen1 USING gist(geometry);
 
 -- etldoc: osm_transportation_name_linestring_gen1 -> osm_transportation_name_linestring_gen2
@@ -45,7 +45,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen2 AS (
     SELECT ST_Simplify(geometry, 120) AS geometry, osm_id, member_osm_ids, name, ref, highway, z_order
     FROM osm_transportation_name_linestring_gen1
     WHERE highway IN ('motorway','trunk')  AND ST_Length(geometry) > 14000
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen2_geometry_idx ON osm_transportation_name_linestring_gen2 USING gist(geometry);
 
 -- etldoc: osm_transportation_name_linestring_gen2 -> osm_transportation_name_linestring_gen3
@@ -53,7 +53,7 @@ CREATE MATERIALIZED VIEW osm_transportation_name_linestring_gen3 AS (
     SELECT ST_Simplify(geometry, 120) AS geometry, osm_id, member_osm_ids, name, ref, highway, z_order
     FROM osm_transportation_name_linestring_gen2
     WHERE highway = 'motorway' AND ST_Length(geometry) > 20000
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_geometry_idx ON osm_transportation_name_linestring_gen3 USING gist(geometry);
 
 --- Triggers
@@ -61,6 +61,7 @@ CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_geometry_idx
 CREATE OR REPLACE FUNCTION refresh_osm_transportation_name_linestring() RETURNS trigger AS
   $BODY$
   BEGIN
+    RAISE LOG 'Refresh osm_highway_linestring based tables';
     REFRESH MATERIALIZED VIEW osm_transportation_name_linestring;
     REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen1;
     REFRESH MATERIALIZED VIEW osm_transportation_name_linestring_gen2;

layers/water_name/water_lakeline.sql

@@ -8,7 +8,7 @@ CREATE MATERIALIZED VIEW osm_water_lakeline AS (
     FROM osm_water_polygon AS wp
     INNER JOIN lake_centerline ll ON wp.osm_id = ll.osm_id
     WHERE wp.name <> ''
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_water_lakeline_geometry_idx ON osm_water_lakeline USING gist(geometry);
 
 -- Triggers
@@ -16,6 +16,7 @@ CREATE INDEX IF NOT EXISTS osm_water_lakeline_geometry_idx ON osm_water_lakeline
 CREATE OR REPLACE FUNCTION refresh_osm_water_lakeline() RETURNS trigger AS
   $BODY$
   BEGIN
+    RAISE LOG 'Refresh osm_water_lakeline based tables';
     REFRESH MATERIALIZED VIEW osm_water_lakeline;
       RETURN null;
   END;

layers/water_name/water_point.sql

@@ -8,7 +8,7 @@ CREATE MATERIALIZED VIEW osm_water_point AS (
     FROM osm_water_polygon AS wp
     LEFT JOIN lake_centerline ll ON wp.osm_id = ll.osm_id
     WHERE ll.osm_id IS NULL AND wp.name <> ''
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_water_point_geometry_idx ON osm_water_point USING gist (geometry);
 
 -- Triggers
@@ -16,6 +16,7 @@ CREATE INDEX IF NOT EXISTS osm_water_point_geometry_idx ON osm_water_point USING
 CREATE OR REPLACE FUNCTION refresh_osm_water_point() RETURNS trigger AS
   $BODY$
   BEGIN
+    RAISE LOG 'Refresh osm_water polygon based tables';
     REFRESH MATERIALIZED VIEW osm_water_point;
       RETURN null;
   END;

layers/waterway/merge_waterway.sql

@@ -16,7 +16,7 @@ CREATE MATERIALIZED VIEW osm_important_waterway_linestring AS (
         WHERE name <> '' AND waterway = 'river'
         GROUP BY name
     ) AS waterway_union
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_geometry_idx ON osm_important_waterway_linestring USING gist(geometry);
 
 -- etldoc: osm_important_waterway_linestring -> osm_important_waterway_linestring_gen1
@@ -24,7 +24,7 @@ CREATE MATERIALIZED VIEW osm_important_waterway_linestring_gen1 AS (
     SELECT ST_Simplify(geometry, 60) AS geometry, name
     FROM osm_important_waterway_linestring
     WHERE ST_Length(geometry) > 1000
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen1_geometry_idx ON osm_important_waterway_linestring_gen1 USING gist(geometry);
 
 -- etldoc: osm_important_waterway_linestring_gen1 -> osm_important_waterway_linestring_gen2
@@ -32,7 +32,7 @@ CREATE MATERIALIZED VIEW osm_important_waterway_linestring_gen2 AS (
     SELECT ST_Simplify(geometry, 100) AS geometry, name
     FROM osm_important_waterway_linestring_gen1
     WHERE ST_Length(geometry) > 4000
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen2_geometry_idx ON osm_important_waterway_linestring_gen2 USING gist(geometry);
 
 -- etldoc: osm_important_waterway_linestring_gen2 -> osm_important_waterway_linestring_gen3
@@ -40,7 +40,7 @@ CREATE MATERIALIZED VIEW osm_important_waterway_linestring_gen3 AS (
     SELECT ST_Simplify(geometry, 200) AS geometry, name
     FROM osm_important_waterway_linestring_gen2
     WHERE ST_Length(geometry) > 8000
-);
+) WITH NO DATA;
 CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen3_geometry_idx ON osm_important_waterway_linestring_gen3 USING gist(geometry);
 
 --- Triggers
@@ -48,6 +48,7 @@ CREATE INDEX IF NOT EXISTS osm_important_waterway_linestring_gen3_geometry_idx O
 CREATE OR REPLACE FUNCTION refresh_osm_important_waterway_linestring() RETURNS trigger AS
   $BODY$
   BEGIN
+    RAISE LOG 'Refresh osm_waterway_linestring based tables';
     REFRESH MATERIALIZED VIEW osm_important_waterway_linestring;
     REFRESH MATERIALIZED VIEW osm_important_waterway_linestring_gen1;
     REFRESH MATERIALIZED VIEW osm_important_waterway_linestring_gen2;