feat(db): 添加对达梦数据库的支持

- 在应用程序中新增对达梦数据库（DM）的配置和连接支持 - 实现 SetDmDB 函数以配置达梦数据库连接 - 更新数据库操作逻辑，支持达梦特有的 SQL 语法和功能 - 在相关文件中添加达梦数据库的处理逻辑，包括表创建、数据插入和查询 - 更新 go.mod 和 go.sum 文件以引入达梦数据库驱动 - 增强文档，详细说明达梦数据库的配置和使用方法
2026-03-20 10:46:51 +08:00
parent 1546967918
commit 7f7b585ffb
194 changed files with 211502 additions and 2328 deletions
@@ -0,0 +1,88 @@
+package app
+
+import (
+	. "code.hoteas.com/golang/hotime"
+	. "code.hoteas.com/golang/hotime/common"
+)
+
+// DmdbCtr 达梦数据库特有测试控制器
+var DmdbCtr = Ctr{
+	"tables": func(that *Context) {
+		if that.Db.Type != "dm" && that.Db.Type != "dameng" {
+			that.Display(0, Map{"skip": true, "reason": "当前非达梦数据库"})
+			return
+		}
+		tables := that.Db.Query(`SELECT TABLE_NAME AS "name", COMMENTS AS "label" FROM USER_TAB_COMMENTS WHERE TABLE_TYPE='TABLE'`)
+		that.Display(0, Map{"tables": tables})
+	},
+
+	"describe": func(that *Context) {
+		if that.Db.Type != "dm" && that.Db.Type != "dameng" {
+			that.Display(0, Map{"skip": true, "reason": "当前非达梦数据库"})
+			return
+		}
+		tableName := that.Req.FormValue("table")
+		if tableName == "" {
+			that.Display(1, "请提供 table 参数")
+			return
+		}
+		columns := that.Db.Query(`SELECT c.COLUMN_NAME AS "name", c.DATA_TYPE AS "type", m.COMMENTS AS "label", c.NULLABLE AS "must" FROM USER_TAB_COLUMNS c LEFT JOIN USER_COL_COMMENTS m ON c.TABLE_NAME=m.TABLE_NAME AND c.COLUMN_NAME=m.COLUMN_NAME WHERE c.TABLE_NAME='` + tableName + `' ORDER BY c.COLUMN_ID`)
+		data := that.Db.Select(tableName, "*", Map{"LIMIT": 10})
+		that.Display(0, Map{"table": tableName, "columns": columns, "sample_data": data})
+	},
+
+	"rawsql": func(that *Context) {
+		if that.Db.Type != "dm" && that.Db.Type != "dameng" {
+			that.Display(0, Map{"skip": true, "reason": "当前非达梦数据库"})
+			return
+		}
+		result := testDmRawSQL(that)
+		that.Display(0, result)
+	},
+}
+
+func testDmRawSQL(that *Context) Map {
+	result := Map{"name": "达梦原生SQL测试", "tests": Slice{}}
+	tests := Slice{}
+
+	test1 := Map{"name": "Query 原生查询 (双引号)"}
+	articles1 := that.Db.Query(`SELECT "id", "title", "author" FROM "article" WHERE "state" = ? LIMIT ?`, 0, 5)
+	test1["result"] = len(articles1) >= 0
+	test1["count"] = len(articles1)
+	tests = append(tests, test1)
+
+	test2 := Map{"name": "Exec 原生执行 (双引号)"}
+	testArticle := that.Db.Get("article", "id", Map{"state": 0})
+	if testArticle != nil {
+		res, err := that.Db.Exec(`UPDATE "article" SET "modify_time" = NOW() WHERE "id" = ?`, testArticle.GetInt64("id"))
+		if err.GetError() == nil && res != nil {
+			affected, _ := res.RowsAffected()
+			test2["result"] = affected >= 0
+			test2["affected"] = affected
+		} else {
+			test2["result"] = false
+			test2["error"] = err.GetError()
+		}
+	} else {
+		test2["result"] = true
+		test2["note"] = "无可用测试数据"
+	}
+	tests = append(tests, test2)
+
+	test3 := Map{"name": "USER_TABLES 查询"}
+	tables := that.Db.Query(`SELECT TABLE_NAME FROM USER_TABLES`)
+	test3["result"] = len(tables) >= 0
+	test3["count"] = len(tables)
+	tests = append(tests, test3)
+
+	test4 := Map{"name": "USER_TAB_COLUMNS 查询"}
+	cols := that.Db.Query(`SELECT COLUMN_NAME, DATA_TYPE FROM USER_TAB_COLUMNS WHERE TABLE_NAME='admin' ORDER BY COLUMN_ID`)
+	test4["result"] = len(cols) >= 0
+	test4["count"] = len(cols)
+	test4["columns"] = cols
+	tests = append(tests, test4)
+
+	result["tests"] = tests
+	result["success"] = true
+	return result
+}