package validator import ( "context" "github.com/Masterminds/squirrel" "github.com/jackc/pgx/v4" "github.com/jackc/pgx/v4/pgxpool" ) func SubmitLinkExists(db *pgxpool.Pool, ctx context.Context, query squirrel.StatementBuilderType, link string) (bool, error) { conn, err := db.Acquire(ctx) if err != nil { return false, err } defer conn.Release() sql, args, err := query. Select("link"). From("submission"). Where(squirrel.Eq{"link": link}). ToSql() if err != nil { return false, err } var validateLink string err = conn.QueryRow(ctx, sql, args...).Scan(&validateLink) if err != nil && err != pgx.ErrNoRows { return false, err } if err == nil && validateLink != "" { return true, nil } return false, nil }