lsm/hutool
1
0
Fork 0
mirror of https://gitee.com/dromara/hutool.git synced 2025-04-05 17:37:59 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

增加达梦数据库方言

Browse Source
This commit is contained in:
Looly 2024-02-22 12:12:02 +08:00
parent 90ff9dc344
commit 5dd8d51f7a
3 changed files with 20 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
CHANGELOG.md
View File

@ -2,10 +2,11 @@
# 🚀Changelog
-------------------------------------------------------------------------------------------------------------
# 5.8.27(2024-02-19)
# 5.8.27(2024-02-22)
### 🐣新特性
* 【extra 】 FreemarkerEngine修改默认版本参数
* 【db 】 增加达梦数据库方言（pr#1178@Gitee）
### 🐞Bug修复

38
hutool-db/src/main/java/cn/hutool/db/dialect/impl/DmDialect.java
View File

@ -30,12 +30,6 @@ public class DmDialect extends AnsiSqlDialect {
return DialectName.DM.name();
}
@Override
protected SqlBuilder wrapPageSql(SqlBuilder find, Page page) {
// limit A , B 表示：A就是查询的起点位置，B就是你需要多少行。
return find.append(" limit ").append(page.getStartPosition()).append(" , ").append(page.getPageSize());
}
@Override
public PreparedStatement psForUpsert(Connection conn, Entity entity, String... keys) throws SQLException {
Assert.notEmpty(keys, "Keys must be not empty for DM MERGE SQL.");
@ -43,42 +37,42 @@ public class DmDialect extends AnsiSqlDialect {
final SqlBuilder builder = SqlBuilder.create(wrapper);
List<String> keyList = Arrays.asList(keys);
final StringBuilder keyfieldsPart = new StringBuilder();
final StringBuilder updatefieldsPart = new StringBuilder();
final StringBuilder insertfieldsPart = new StringBuilder();
final StringBuilder insertplaceHolder = new StringBuilder();
final StringBuilder keyFieldsPart = new StringBuilder();
final StringBuilder updateFieldsPart = new StringBuilder();
final StringBuilder insertFieldsPart = new StringBuilder();
final StringBuilder insertPlaceHolder = new StringBuilder();
// 构建字段部分和参数占位符部分
entity.forEach((field, value) -> {
if (StrUtil.isNotBlank(field) && keyList.contains(field)) {
if (keyfieldsPart.length() > 0) {
keyfieldsPart.append(" and ");
if (keyFieldsPart.length() > 0) {
keyFieldsPart.append(" and ");
}
keyfieldsPart.append(field + "= ?");
keyFieldsPart.append(field + "= ?");
builder.addParams(value);
}
});
entity.forEach((field, value) -> {
if (StrUtil.isNotBlank(field) && !keyList.contains(field)) {
if (updatefieldsPart.length() > 0) {
if (updateFieldsPart.length() > 0) {
// 非第一个参数，追加逗号
updatefieldsPart.append(", ");
updateFieldsPart.append(", ");
}
updatefieldsPart.append(field + "= ?");
updateFieldsPart.append(field).append("= ?");
builder.addParams(value);
}
});
entity.forEach((field, value) -> {
if (StrUtil.isNotBlank(field)) {
if (insertfieldsPart.length() > 0) {
if (insertFieldsPart.length() > 0) {
// 非第一个参数，追加逗号
insertfieldsPart.append(", ");
insertplaceHolder.append(", ");
insertFieldsPart.append(", ");
insertPlaceHolder.append(", ");
}
insertfieldsPart.append((null != wrapper) ? wrapper.wrap(field) : field);
insertplaceHolder.append("?");
insertFieldsPart.append((null != wrapper) ? wrapper.wrap(field) : field);
insertPlaceHolder.append("?");
builder.addParams(value);
}
});
@ -88,7 +82,7 @@ public class DmDialect extends AnsiSqlDialect {
tableName = this.wrapper.wrap(tableName);
}
builder.append("MERGE INTO ").append(tableName).append(" USING DUAL ON ").append(keyfieldsPart).append(" WHEN MATCHED THEN UPDATE SET ").append(updatefieldsPart).append(" WHEN NOT MATCHED THEN INSERT (").append(insertfieldsPart).append(") VALUES (").append(insertplaceHolder).append(")");
builder.append("MERGE INTO ").append(tableName).append(" USING DUAL ON ").append(keyFieldsPart).append(" WHEN MATCHED THEN UPDATE SET ").append(updateFieldsPart).append(" WHEN NOT MATCHED THEN INSERT (").append(insertFieldsPart).append(") VALUES (").append(insertPlaceHolder).append(")");
return StatementUtil.prepareStatement(conn, builder);
}

2
hutool-db/src/test/java/cn/hutool/db/DmTest.java
View File

@ -2,6 +2,7 @@ package cn.hutool.db;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import java.sql.SQLException;
@ -27,6 +28,7 @@ public class DmTest {
}
@Test
@Ignore
public void upsertTest() throws SQLException {
Db db = Db.use(DS_GROUP_NAME);
db.upsert(Entity.create("test").set("a", 1).set("b", 111), "a");