fly/osm2city-scripts
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Create index to speed up queries

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Signed-off-by: fly <merspieler@airmail.cc>
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fly 2020-09-07 23:45:29 +10:00
parent e4d99c277f
commit 655e79b608
1 changed files with 1 additions and 0 deletions
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init-db.py
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@ -83,6 +83,7 @@ cursor.execute("CREATE TABLE IF NOT EXISTS status (id INT PRIMARY KEY AUTO_INCRE
cursor.execute("CREATE TABLE IF NOT EXISTS topLevel (id INT PRIMARY KEY AUTO_INCREMENT, name CHAR(7) UNIQUE NOT NULL, status_id INT NOT NULL, FOREIGN KEY (status_id) REFERENCES status(id));")
cursor.execute("CREATE TABLE IF NOT EXISTS secondLevel (id INT PRIMARY KEY AUTO_INCREMENT, name CHAR(7) UNIQUE NOT NULL, status_id INT NOT NULL, parent_id INT NOT NULL, FOREIGN KEY (status_id) REFERENCES status(id), FOREIGN KEY (parent_id) REFERENCES topLevel(id));")
cursor.execute("CREATE TABLE IF NOT EXISTS tile (id INT PRIMARY KEY AUTO_INCREMENT, status_id INT NOT NULL, parent_id INT NOT NULL, FOREIGN KEY (status_id) REFERENCES status(id), FOREIGN KEY (parent_id) REFERENCES secondLevel(id));")
cursor.execute("CREATE INDEX IF NOT EXISTS tile_index on tile(status_id, parent_id);")
for state in states: