SubTableRunner.java 1.44 KB
package vion.cron.monitor;

import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.dromara.hutool.core.date.TimeUtil;
import org.postgresql.util.PGobject;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * m_event_record 定时删除分表
 */
@Component
@RequiredArgsConstructor
@Slf4j
public class SubTableRunner {

    private final JdbcTemplate jdbcTemplate;

    @Scheduled(cron = "50 0 0 * * ?")
    public void deleteEventRecord() {
        log.info("删除m_event_record分表");
        var partList = jdbcTemplate.queryForList("select * FROM pathman_partition_list");
        List<String> tableNames = new ArrayList<>();
        for (Map<String, Object> map : partList) {
            var startTime = TimeUtil.parseByISO((String) map.get("range_min"));
            if (startTime.isBefore(LocalDateTime.of(LocalDate.now(), LocalTime.MIN).minusDays(30))) {
                var o = (PGobject) map.get("partition");
                tableNames.add(o.getValue());
            }
        }
        for (String tableName : tableNames) {
            jdbcTemplate.execute("drop table " + tableName);
        }
        log.info("删除m_event_record分表完成");
    }
}