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修改查询语句

master
lwj 2024-09-09 01:19:20 +08:00
parent a4802c09cd
commit d1dce90cf8
1 changed files with 54 additions and 48 deletions
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102
cloud-etl-server/src/main/java/com/muyu/cloud/etl/mysql/MySqlDataSource.java
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@ -8,8 +8,6 @@ import com.muyu.data.base.BaseDataAbsSource;
import com.muyu.domain.DataValue;
import com.muyu.domain.Source;
import com.muyu.domain.enums.DataType;
import com.muyu.domain.mysql.MysqlPool;
import com.muyu.domain.mysql.config.MysqlPoolConfig;
import com.zaxxer.hikari.HikariDataSource;
import lombok.extern.log4j.Log4j2;
import org.springframework.stereotype.Component;
@ -34,52 +32,52 @@ public class MySqlDataSource extends BaseDataAbsSource {
@Override
public DataValue[] getRow () {
MySqlQuery query = getQuery();
String sql = query.getSql();
Long dataSourceId = query.getDataSourceId();
ConcurrentHashMap<Integer, DataValue> map = new ConcurrentHashMap<>();
Source dataSources = sourceService.getById(dataSourceId);
MysqlPoolConfig mysqlPoolConfig = Source.getMysqlPoolConfig(dataSources);
MysqlPool mysqlPool = new MysqlPool(mysqlPoolConfig);
mysqlPool.init();
Connection conn = mysqlPool.getConn();
DataValue[] dataValues = null;
try {
PreparedStatement preparedStatement = conn.prepareStatement(sql);
ResultSet resultSet = preparedStatement.executeQuery();
ResultSetMetaData metaData = resultSet.getMetaData();
int columnCount = metaData.getColumnCount();
if (resultSet.next()){
for (int i = 1; i < columnCount; i++) {
if (resultSet.isFirst()){
String columnTypeName = metaData.getColumnTypeName(i);
DatabaseMetaData metadataColumns = conn.getMetaData();
ResultSet columns = metadataColumns.getColumns(null, null, metaData.getTableName(i), metaData.getColumnName(i));
String remarks =null;
while (columns.next()){
remarks = columns.getString("REMARKS");
log.info("字段备注:"+remarks);
}
DataValue build = DataValue.builder()
.key(metaData.getColumnName(i))
.label(remarks)
.value(resultSet.getObject(i, DataType.convertType(columnTypeName)))
.type(DataType.findBySqlType(columnTypeName))
.build();
map.put(i,build);
dataValues[i-1]=build;
}
}
}
} catch (SQLException e) {
throw new RuntimeException(e);
}
return dataValues;
// MySqlQuery query = getQuery();
// String sql = query.getSql();
// Long dataSourceId = query.getDataSourceId();
// ConcurrentHashMap<Integer, DataValue> map = new ConcurrentHashMap<>();
// Source dataSources = sourceService.getById(dataSourceId);
// MysqlPoolConfig mysqlPoolConfig = Source.getMysqlPoolConfig(dataSources);
//
// MysqlPool mysqlPool = new MysqlPool(mysqlPoolConfig);
// mysqlPool.init();
// Connection conn = mysqlPool.getConn();
//
// DataValue[] dataValues = null;
//
// try {
// PreparedStatement preparedStatement = conn.prepareStatement(sql);
// ResultSet resultSet = preparedStatement.executeQuery();
// ResultSetMetaData metaData = resultSet.getMetaData();
// int columnCount = metaData.getColumnCount();
// if (resultSet.next()){
// for (int i = 1; i < columnCount; i++) {
// if (resultSet.isFirst()){
// String columnTypeName = metaData.getColumnTypeName(i);
// DatabaseMetaData metadataColumns = conn.getMetaData();
// ResultSet columns = metadataColumns.getColumns(null, null, metaData.getTableName(i), metaData.getColumnName(i));
// String remarks =null;
// while (columns.next()){
// remarks = columns.getString("REMARKS");
// log.info("字段备注:"+remarks);
// }
// DataValue build = DataValue.builder()
// .key(metaData.getColumnName(i))
// .label(remarks)
// .value(resultSet.getObject(i, DataType.convertType(columnTypeName)))
// .type(DataType.findBySqlType(columnTypeName))
// .build();
// map.put(i,build);
// dataValues[i-1]=build;
// }
// }
// }
//
//
// } catch (SQLException e) {
// throw new RuntimeException(e);
// }
return null;
}
@Override
@ -91,6 +89,7 @@ public class MySqlDataSource extends BaseDataAbsSource {
Long dataSourceId = query.getDataSourceId();
ConcurrentHashMap<Integer, DataValue> map = new ConcurrentHashMap<>();
Source dataSources = sourceService.getById(dataSourceId);
HikariDataSource hikariDataSource = HikariPool.getHikariDataSource(dataSources);
Connection conn = null;
@ -144,8 +143,15 @@ public class MySqlDataSource extends BaseDataAbsSource {
}
} catch (SQLException e) {
throw new RuntimeException(e);
}finally {
close(hikariDataSource);
}
return dataValues;
}
private static void close(HikariDataSource dataSource) {
if (dataSource != null) {
dataSource.close();
}
}
}