Files
horse/cmd/toradl/mdb.go
T

52 lines
1.1 KiB
Go

package main
import (
"context"
"zombiezen.com/go/sqlite"
"zombiezen.com/go/sqlite/sqlitex"
)
// load scans all results of sql and appends them to r.
func load[T any](ctx context.Context, db *sqlitex.Pool, r []T, sql string, row func(*sqlite.Stmt) T) ([]T, error) {
conn, err := db.Take(ctx)
defer db.Put(conn)
if err != nil {
return nil, err
}
stmt, err := conn.Prepare(sql)
if err != nil {
return nil, err
}
for {
ok, err := stmt.Step()
if err != nil {
return r, err
}
if !ok {
break
}
r = append(r, row(stmt))
}
return r, err
}
func skillIconIDs(ctx context.Context, db *sqlitex.Pool) ([]int32, error) {
return load(ctx, db, nil, "SELECT DISTINCT icon_id FROM skill_data", func(s *sqlite.Stmt) int32 {
return s.ColumnInt32(0)
})
}
func charaIDs(ctx context.Context, db *sqlitex.Pool) ([]int32, error) {
return load(ctx, db, nil, "SELECT id FROM chara_data", func(s *sqlite.Stmt) int32 {
return s.ColumnInt32(0)
})
}
func rankIDs(ctx context.Context, db *sqlitex.Pool) ([]int32, error) {
return load(ctx, db, nil, "SELECT id-1 FROM single_mode_rank", func(s *sqlite.Stmt) int32 {
return s.ColumnInt32(0)
})
}