Java批量插入資料
阿新 • • 發佈:2019-01-04
- publicvoid insertRecordTableq(List<Object[]> obs){
- if(null != obs && !obs.isEmpty()){
- String insertSql = "insert into product_check_company(id_uuid,column_name,oms,product,remark) values ";
- StringBuffer sql = new StringBuffer();
-
for(
- sql.append("("+obs.get(i)[0]);
- sql.append(",");
- sql.append(obs.get(i)[1]);
- sql.append(",");
- sql.append(obs.get(i)[2]);
- sql.append(",");
-
sql.append(obs.get(i)[3
- sql.append(",");
- sql.append(obs.get(i)[4]);
- sql.append("),\n");
- }
- JdbcTemplate.update(insertSql+sql.toString().substring(0, sql.length() - 2));
- }
- }
SQL格式:insert into product_check_company(id_uuid,column_name,oms,product,remark) values (0,1,2,3,4),
(1,2,3,4,5),
(2,3,4,5,6),
(3,4,5,6,7)
效率比JdbcTemplate.batchUpdate高,一萬條資料1秒內可完成。
此語句在MySQL 5, postgreSQL 9.3執行通過。