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09051945:对这个资产展示使用线程池的方法去做,第三次优化代码

master
冷调 2024-09-05 19:45:20 +08:00
parent 626f638d0c
commit f6f7bbc3f9
1 changed files with 1 additions and 1 deletions
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muyu-source-server/src/main/java/com/muyu/source/service/Impl/DataValueServiceImpl.java
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@ -204,7 +204,7 @@ public class DataValueServiceImpl extends ServiceImpl<DataValueMapper, DataValue
ExecutorService threadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors()); ExecutorService threadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
try { try {
PreparedStatement preparedStatement = conn.prepareStatement(SELECTALL + tableName); PreparedStatement preparedStatement = conn.prepareStatement(SELECTALL + tableName+" limit 100");
ResultSet resultSet = preparedStatement.executeQuery(); ResultSet resultSet = preparedStatement.executeQuery();
ResultSetMetaData metaData = resultSet.getMetaData(); ResultSetMetaData metaData = resultSet.getMetaData();
int columnCount = metaData.getColumnCount(); int columnCount = metaData.getColumnCount();