Initialisation script for database
Signed-off-by: fly <merspieler@airmail.cc>
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123
init-db.py
Executable file
123
init-db.py
Executable file
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#! /usr/bin/python3
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import pymysql
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from common import norm, get_tile_width, get_tile, get_area_name
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# TODO set default to false
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force = True
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states = [
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"pending",
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"started",
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"done",
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"packaged",
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"skip",
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"rebuild"
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]
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#try:
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db = pymysql.connect("localhost", dbuser, dbpw, "worldbuild")
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cursor = db.cursor()
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if force:
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cursor.execute("DROP TABLE tile")
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cursor.execute("DROP TABLE secondLevel")
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cursor.execute("DROP TABLE topLevel")
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cursor.execute("DROP TABLE status")
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cursor.execute("CREATE TABLE IF NOT EXISTS status (id INT PRIMARY KEY AUTO_INCREMENT, name VARCHAR(15) UNIQUE NOT NULL);")
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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));")
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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));")
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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));")
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for state in states:
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sql = "INSERT INTO status(name) VALUES ('" + state + "')"
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cursor.execute(sql)
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sql = "SELECT id FROM status WHERE name='pending'"
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cursor.execute(sql)
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result = cursor.fetchall()
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for row in result:
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sid = str(row[0])
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print("Creating tile groups")
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ii = -9
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while ii < 9:
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i = ii * 10
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jj = -18
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while jj < 18:
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j = jj * 10
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major = get_area_name(i, j)
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sql = "INSERT INTO topLevel (name, status_id) VALUES ('" + major + "', " + sid + ");"
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cursor.execute(sql)
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sql = "SELECT id FROM topLevel WHERE name='" + major + "'"
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cursor.execute(sql)
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result = cursor.fetchall()
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for row in result:
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major_id = str(row[0])
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for k in range(0, 10):
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iii = i
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for l in range(0, 10):
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minor = get_area_name(iii, j)
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sql = "INSERT INTO secondLevel (parent_id, name, status_id) VALUES (" + major_id + ", '" + minor + "', " + sid + ")"
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cursor.execute(sql)
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iii += 1
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j += 1
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jj += 1
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ii += 1
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print("Creating tiles")
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lat = -90
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while lat < 90:
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lon = -180
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while lon < 180:
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tile = get_tile(lat, lon)
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parent = get_area_name(int(lat), int(lon))
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sql="SELECT id FROM secondLevel WHERE name='" + parent + "'"
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cursor.execute(sql)
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result = cursor.fetchall()
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for row in result:
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pid = row[0]
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sql = "INSERT INTO tile (id, parent_id, status_id) VALUES (" + str(tile) + ", " + str(pid) + ", " + sid + ")"
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cursor.execute(sql)
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lon += get_tile_width(lat)
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lat += 0.125
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db.commit()
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# TODO create trigger
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# Get states
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#SELECT status.name AS state, COUNT(status.name) AS occ FROM tile INNER JOIN status ON tile.status_id = status.id WHERE tile.parent_id = 400 GROUP BY status.name;
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'''
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DELIMITER //
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CREATE OR REPLACE TRIGGER update_second_level
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AFTER UPDATE ON tile
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FOR EACH ROW
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BEGIN
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IF (SELECT COUNT(status_id) FROM tile WHERE tile.parent_id = NEW.parent_id) = (SELECT COUNT(status_id) FROM tile WHERE tile.parent_id = NEW.parent_id AND status_id = (SELECT id FROM status WHERE name = "packaged")) THEN
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UPDATE secondLevel SET status_id = (SELECT id FROM status WHERE name = "packaged") WHERE id = NEW.parent_id;
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ELSEIF (SELECT COUNT(status_id) FROM tile WHERE tile.parent_id = NEW.parent_id) = (SELECT COUNT(status_id) FROM tile WHERE tile.parent_id = NEW.parent_id AND status_id = (SELECT id FROM status WHERE name = "done")) THEN
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UPDATE secondLevel SET status_id = (SELECT id FROM status WHERE name = "done") WHERE id = NEW.parent_id;
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ELSEIF (SELECT COUNT(status_id) FROM tile WHERE tile.parent_id = NEW.parent_id AND status_id = (SELECT id FROM status WHERE name = "started")) > 0 THEN
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UPDATE secondLevel SET status_id = (SELECT id FROM status WHERE name = "started") WHERE id = NEW.parent_id;
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ELSEIF (SELECT COUNT(status_id) FROM tile WHERE tile.parent_id = NEW.parent_id AND status_id = (SELECT id FROM status WHERE name = "rebuild")) > 0 THEN
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UPDATE secondLevel SET status_id = (SELECT id FROM status WHERE name = "rebuild") WHERE id = NEW.parent_id;
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ELSEIF (SELECT COUNT(status_id) FROM tile WHERE tile.parent_id = NEW.parent_id AND status_id = (SELECT id FROM status WHERE name = "skip")) > 0 THEN
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UPDATE secondLevel SET status_id = (SELECT id FROM status WHERE name = "skip") WHERE id = NEW.parent_id;
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ELSE
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UPDATE secondLevel SET status_id = (SELECT id FROM status WHERE name = "pending") WHERE id = NEW.parent_id;
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END IF;
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END; //
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DELIMITER ;
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'''
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#except:
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# db.rollback()
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# print("Failed to setup database...")
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#finally:
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db.close()
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