Fisher Coder:
Tengo una consulta SQL como esto:
select
e.event_type as eventType,
e.app_name as appName,
e.from_number as appNumber,
e.timestamp as messageTime,
b.created_at as blockTime
from event_log e use index (idx_event_type_timestamp)
join blocked_phone_numbers b
on b.app_name = e.app_name
and b.number = e.to_number
where e.event_type = 1
and e.timestamp > 2018-09-08
and b.created_at < e.timestamp
limit 10;
y necesito refactorearlo en una consulta JOOQ, aquí es donde llegué:
SelectLimitPercentStep<Record> selectLimitPercentStep = context
.select(EVENT_LOG.EVENT_TYPE, EVENT_LOG.APP_NAME, EVENT_LOG.FROM_NUMBER, EVENT_LOG.TIMESTAMP)
.select(BLOCKED_PHONE_NUMBERS.CREATED_AT)
//.use_index//todo: use index
.from(EVENT_LOG)
.join(BLOCKED_PHONE_NUMBERS)
.on(EVENT_LOG.APP_NAME.eq(EVENT_LOG.APP_NAME).and(EVENT_LOG.TO_NUMBER.eq(BLOCKED_PHONE_NUMBERS.NUMBER)))
.where(EVENT_LOG.EVENT_TYPE.eq((byte) EventType.OUTBOUND_SENT.ordinal())
.and(EVENT_LOG.TIMESTAMP.gt(new Timestamp(earliestTime.getMillis())))
.and(BLOCKED_PHONE_NUMBERS.CREATED_AT.lt(EVENT_LOG.TIMESTAMP)))
.limit(1000);
Pero no he encontrado ningún método para traducir esta parte use index (idx_event_type_timestamp)
en JOOQ, cualquiera podría arrojar alguna luz, por favor?
Lukas Eder:
jOOQ tiene un Table.useIndex()
método, sólo lo utilizan.
EVENT_LOG.useIndex("idx_event_type_timestamp")