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Save tiles to the database to make empty tile load faster

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Eli Ribble 2026-03-11 17:01:47 +00:00
parent a1e6f930cb
commit 3ccc05d4c5
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10 changed files with 559 additions and 98 deletions
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19
db/migrations/00100_tile_empty.sql Normal file
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@ -0,0 +1,19 @@
-- +goose Up
DROP TABLE tile.cached_image;
CREATE TABLE tile.cached_image (
arcgis_id TEXT NOT NULL REFERENCES arcgis.service_map(arcgis_id),
x INTEGER NOT NULL,
y INTEGER NOT NULL,
z INTEGER NOT NULL,
is_empty BOOLEAN NOT NULL,
PRIMARY KEY (arcgis_id, x, y, z)
);
-- +goose Down
DROP TABLE tile.cached_image;
CREATE TABLE tile.cached_image (
arcgis_id TEXT NOT NULL REFERENCES arcgis.service_map(arcgis_id),
x INTEGER NOT NULL,
y INTEGER NOT NULL,
z INTEGER NOT NULL,
UNIQUE(arcgis_id, x, y, z)
);