rename sql directory to lib-sql

Also introduces a separate constant for the sql directory, so that
it can be put separately from the rest of the data if required.

lib-sql/partition-tables.src.sql

@@ -0,0 +1,30 @@
+drop table IF EXISTS search_name_blank CASCADE;
+CREATE TABLE search_name_blank (
+  place_id BIGINT,
+  address_rank smallint,
+  name_vector integer[],
+  centroid GEOMETRY(Geometry, 4326)
+  );
+
+
+-- start
+CREATE TABLE location_area_large_-partition- () INHERITS (location_area_large) {ts:address-data};
+CREATE INDEX idx_location_area_large_-partition-_place_id ON location_area_large_-partition- USING BTREE (place_id) {ts:address-index};
+CREATE INDEX idx_location_area_large_-partition-_geometry ON location_area_large_-partition- USING GIST (geometry) {ts:address-index};
+
+CREATE TABLE search_name_-partition- () INHERITS (search_name_blank) {ts:address-data};
+CREATE INDEX idx_search_name_-partition-_place_id ON search_name_-partition- USING BTREE (place_id) {ts:address-index};
+CREATE INDEX idx_search_name_-partition-_centroid_street ON search_name_-partition- USING GIST (centroid) {ts:address-index} where address_rank between 26 and 27;
+CREATE INDEX idx_search_name_-partition-_centroid_place ON search_name_-partition- USING GIST (centroid) {ts:address-index} where address_rank between 2 and 25;
+
+DROP TABLE IF EXISTS location_road_-partition-;
+CREATE TABLE location_road_-partition- (
+  place_id BIGINT,
+  partition SMALLINT,
+  country_code VARCHAR(2),
+  geometry GEOMETRY(Geometry, 4326)
+  ) {ts:address-data};
+CREATE INDEX idx_location_road_-partition-_geometry ON location_road_-partition- USING GIST (geometry) {ts:address-index};
+CREATE INDEX idx_location_road_-partition-_place_id ON location_road_-partition- USING BTREE (place_id) {ts:address-index};
+
+-- end