lsm/hutool
1
0
Fork 0
mirror of https://gitee.com/dromara/hutool.git synced 2025-04-05 17:20:07 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

优化count查询兼容informix

Browse Source
This commit is contained in:
Looly 2023-05-09 10:07:09 +08:00
parent d87d0c8131
commit a9689a925e
2 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
CHANGELOG.md
View File

@ -2,11 +2,12 @@
# 🚀Changelog
-------------------------------------------------------------------------------------------------------------
# 5.8.19.M1 (2023-05-05)
# 5.8.19.M1 (2023-05-09)
### 🐣新特性
* 【db 】 优化HttpRequest.toString()内容打印（issue#3072@Github）
* 【poi 】 优化Sax方式读取时空白行返回0，修改为返回-1（issue#I6WYF6@Gitee）
* 【db 】 优化count查询兼容informix（issue#I713XQ@Gitee）
### 🐞Bug修复
* 【core 】 修复URLUtil.decode无法解码UTF-16问题（issue#3063@Github）

4
hutool-db/src/main/java/cn/hutool/db/dialect/Dialect.java
View File

@ -148,8 +148,10 @@ public interface Dialect extends Serializable {
* @since 5.7.2
*/
default PreparedStatement psForCount(Connection conn, SqlBuilder sqlBuilder) throws SQLException {
// https://gitee.com/dromara/hutool/issues/I713XQ
// 为了兼容informix等数据库，此处使用count(*)而非count(1)
sqlBuilder = sqlBuilder
.insertPreFragment("SELECT count(1) from(")
.insertPreFragment("SELECT count(*) from(")
// issue#I3IJ8X@Gitee，在子查询时需设置单独别名，此处为了防止和用户的表名冲突，使用自定义的较长别名
.append(") hutool_alias_count_");
return psForPage(conn, sqlBuilder, null);