remove old edges table

master
Jordan Orelli 6 years ago
parent 25d142fb8a
commit 209635083d

51
db.go

@ -52,60 +52,9 @@ func planetsData() {
indexSystems()
}
func edgesTable() {
stmnt := `create table if not exists edges (
id_1 integer,
id_2 integer,
distance real
);`
if _, err := db.Exec(stmnt); err != nil {
log_error("couldn't create distance table: %v", err)
}
}
func setupDb() {
planetsTable()
planetsData()
edgesTable()
profilesTable()
gamesTable()
fillEdges()
}
func fillEdges() {
row := db.QueryRow(`select count(*) from edges;`)
var n int
if err := row.Scan(&n); err != nil {
log_error("couldn't get number of edges: %v", err)
return
}
if n > 0 {
return
}
for i := 0; i < len(index); i++ {
for j := 0; j < len(index); j++ {
if i == j {
continue
}
if index[i] == nil {
log_error("wtf there's nil shit in here for id %d", i)
continue
}
if index[j] == nil {
log_error("wtf there's nil shit in here 2 for id %d", j)
continue
}
dist := index[i].DistanceTo(index[j])
log_info("distance from %s to %s: %v", index[i].name, index[j].name, dist)
_, err := db.Exec(`
insert into edges
(id_1, id_2, distance)
values
(?, ?, ?)
;`, i, j, dist)
if err != nil {
log_error("unable to write edge to db: %v", err)
}
}
}
}

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