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Make the sql rerunnable without error

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This commit is contained in:
stirringhalo
2017-01-05 12:47:10 -05:00
parent c5f05e7c3a
commit 9437a1b8d6
9 changed files with 57 additions and 16 deletions
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12
layers/transportation_name/merge_highways.sql
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@@ -4,6 +4,11 @@
-- to allow for nice label rendering
-- Because this works well for roads that do not have relations as well
DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring CASCADE;
DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen1 CASCADE;
DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen2 CASCADE;
DROP MATERIALIZED VIEW IF EXISTS osm_transportation_name_linestring_gen3 CASCADE;
-- etldoc: osm_highway_linestring -> osm_transportation_name_linestring
CREATE MATERIALIZED VIEW osm_transportation_name_linestring AS (
SELECT
@@ -58,7 +63,7 @@ CREATE INDEX IF NOT EXISTS osm_transportation_name_linestring_gen3_geometry_idx
-- Handle updates
CREATE SCHEMA transportation_name;
CREATE SCHEMA IF NOT EXISTS transportation_name;
CREATE TABLE IF NOT EXISTS transportation_name.updates(id serial primary key, t text, unique (t));
CREATE OR REPLACE FUNCTION transportation_name.flag() RETURNS trigger AS $$
@@ -82,6 +87,9 @@ CREATE OR REPLACE FUNCTION transportation_name.refresh() RETURNS trigger AS
$BODY$
language plpgsql;
DROP TRIGGER IF EXISTS trigger_flag ON osm_highway_linestring;
DROP TRIGGER IF EXISTS trigger_refresh ON transportation_name.updates;
CREATE TRIGGER trigger_flag
AFTER INSERT OR UPDATE OR DELETE ON osm_highway_linestring
FOR EACH STATEMENT
@@ -91,4 +99,4 @@ CREATE CONSTRAINT TRIGGER trigger_refresh
AFTER INSERT ON transportation_name.updates
INITIALLY DEFERRED
FOR EACH ROW
EXECUTE PROCEDURE transportation_name.refresh();
EXECUTE PROCEDURE transportation_name.refresh();