Function updbPrecheck

updbPrecheck(
    sql: UpdbSql,
    run: UpdbRun,
    unit: UpdbUnit,
    options?: UpdbOptions,
): { detail?: string; ok: boolean; reason?: string }
the precondition gate: JS only, 1-3 statements, so a refusal skips a 3,754 ms boot
Parameters
- sql: UpdbSql
- run: UpdbRun
- unit: UpdbUnit
- options: UpdbOptions = {}
Returns { detail?: string; ok: boolean; reason?: string }
- Defined in src/ops/updb.ts:834