分批次批量插入: 1intlimit;//要切割成多少份2intMAX_NUMBER;//每份最多多少条数据34List<List<Integer>> splitList = Stream.iterate(0, n -> n + 1).limit(limit).parallel()5.map(a -> list.stream().skip(a *MAX_NUMBER).limit(MAX_NUMBER).parallel().collect(Collectors.toList()))6.collec...
info("vectorDTOList:{}", vectorDTOList); // 过滤掉相似度低的向量检索结果 阈值:0.7 vectorDTOList = vectorDTOList.stream() .filter(vectorDTO -> vectorDTO.getSimilarity() <= 0.7) .collect(Collectors.toList()); return vectorDTOList; } 拿到与问题相关的文档知识之后,我们就可以封装prompt,并...
pgsql全局索引 oracle 全局索引 Oracle全局索引和局部索引 表可以按range,hash,list分区,表分区后,其上的索引和普通表上的索引有所不同,oracle对于分区表上的索引分为2类,即局部索引和全局索引,下面分别对这2种索引的特点和局限性做个总结。 局部索引local index 1. 局部索引一定是Oracle全局索引和局部索引 表可以...
docker run --name some-zabbix-server-pgsql -e DB_SERVER_HOST="some-postgres-server" -v ./.POSTGRES_USER:/run/secrets/POSTGRES_USER -e POSTGRES_USER_FILE=/run/secrets/POSTGRES_USER -v ./.POSTGRES_PASSWORD:/run/secrets/POSTGRES_PASSWORD -e POSTGRES_PASSWORD_FILE=/var/run/secrets/POSTGRES_...
转自:https://blog.csdn.net/weixin_38653290/article/details/84639754 列转行 测试数据 把相同user_id的order_id按照逗号转为一行 下面再看一个例子 例如:把星座和血型一样的人归类到一起 总结 使用函数:concat_ws(’,’,collect_set(column)) 说明:coll... ...
= null) { String[] stringArray = (String[]) pgArray.getArray(); return Arrays.stream(stringArray).map(Integer::parseInt).collect(Collectors.toList()); } return null; } @Override public List<Integer> getNullableResult(ResultSet rs, int columnIndex) throws SQLException { return get...
}).collect(Collectors.toList()); ct.setColumnDefinitions(collect); String createSQL = ct.toString() .replaceAll("`","\"") .replaceAll("BIGINT UNIQUE NOT NULL AUTO_INCREMENT","BIGSERIAL PRIMARY KEY") .replaceAll("BIGINT NULL AUTO_INCREMENT","BIGSERIAL PRIMARY KEY") ...
/* whether to collect stats per script */ +static int progress = 0; /* thread progress report every this seconds */ +static bool progress_timestamp = false; /* progress report with Unix time */ +static int nclients = 1; /* number of clients */ +static int nthreads = 1; /* num...
+CollectLockHoldersAndWaiters(PROCLOCK *waitProcLock, LOCK *lock, StringInfo lock_holders_sbuf, StringInfo lock_waiters_sbuf, int *lockHoldersNum) +{ + bool first_holder = true; + bool first_waiter = true; + dlist_iter proc_iter; ...
// List<LogDto> failedList = new ArrayList<>(); // String path = "D:\\项目资料\\数据迁移日志\\2023-02-01"; // getLog(path, result, failedList); // //本次同步所有表 // List<String> allTableList = result.stream().map(LogDto::getTable).collect(Collectors.toList()); ...