feat: 达梦DM8
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@ -42,7 +42,24 @@ docker compose exec sqlserver bash /tmp/create_schema.sh
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### 1.5 DM 达梦
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TODO 暂未支持
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下载达梦docker镜像 https://download.dameng.com/eco/dm8/dm8_20230808_rev197096_x86_rh6_64_single.tar
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加载镜像文件，在镜像tar文件所在目录运行：
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```Bash
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docker load -i dm8_20230808_rev197096_x86_rh6_64_single.tar
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````
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在项目`sql/tools`目录下运行：
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```Bash
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docker compose up -d dm8
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# 注意：启动完 sqlserver 后，需要手动再执行如下命令，因为 SQL Server 不支持初始化脚本
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docker compose exec -i dm8 /bin/bash -c "exec /opt/dmdbms/bin/disql SYSDBA/SYSDBA001 \`/tmp/schema.sql"
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```
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**注意**: `sql/dm/ruoyi-vue-pro-dm8.sql`文件编码必须为`GBK`或者`GBK`超集
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暂不支持 MacBook Apple Silicon，因为 达梦 官方没有提供 Apple Silicon 版本的 Docker 镜像。
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## 2. MySQL 转换其它数据库
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@ -571,7 +571,7 @@ GO
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return "\n".join(f"{script}\nGO" for script in self.index(ddl))
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def gen_insert(self, table_name: str) -> str:
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"""生成 insert 语句，以及根据最后的 insert id+1 生成 Sequence"""
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"""生成 insert 语句"""
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# 收集 `table_name` 对应的 insert 语句
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inserts = []
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@ -606,13 +606,117 @@ GO
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return script
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class DM8Convertor(Convertor):
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def __init__(self, src):
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super().__init__(src, "DM8")
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def translate_type(self, type: str, size: Optional[Union[int, Tuple[int]]]):
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"""类型转换"""
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type = type.lower()
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if type == "varchar":
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return f"varchar({size})"
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if type == "int":
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return "int"
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if type == "bigint" or type == "bigint unsigned":
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return "bigint"
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if type == "datetime":
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return "datetime"
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if type == "bit":
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return "bit"
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if type in ("tinyint", "smallint"):
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return "smallint"
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if type == "text":
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return "text"
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if type == "blob":
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return "blob"
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if type == "mediumblob":
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return "varchar(10240)"
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if type == "decimal":
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return (
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f"decimal({','.join(str(s) for s in size)})" if len(size) else "decimal"
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)
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def gen_create(self, ddl) -> str:
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"""生成 CREATE 语句"""
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def generate_column(col):
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name = col["name"].lower()
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if name == "id":
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return "id bigint NOT NULL PRIMARY KEY IDENTITY"
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type = col["type"].lower()
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full_type = self.translate_type(type, col["size"])
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nullable = "NULL" if col["nullable"] else "NOT NULL"
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default = f"DEFAULT {col['default']}" if col["default"] is not None else ""
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return f"{name} {full_type} {default} {nullable}"
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table_name = ddl["table_name"].lower()
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columns = [f"{generate_column(col).strip()}" for col in ddl["columns"]]
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field_def_list = ",\n ".join(columns)
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script = f"""-- ----------------------------
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-- Table structure for {table_name}
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-- ----------------------------
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CREATE TABLE {table_name} (
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{field_def_list}
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);"""
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# oracle INSERT '' 不能通过 NOT NULL 校验
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script = script.replace("DEFAULT '' NOT NULL", "DEFAULT '' NULL")
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return script
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def gen_index(self, ddl: Dict) -> str:
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return "\n".join(f"{script};" for script in self.index(ddl))
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def gen_comment(self, table_sql: str, table_name: str) -> str:
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script = ""
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for field, comment_string in self.filed_comments(table_sql):
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script += (
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f"COMMENT ON COLUMN {table_name}.{field} IS '{comment_string}';" + "\n"
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)
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table_comment = self.table_comment(table_sql)
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if table_comment:
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script += f"COMMENT ON TABLE {table_name} IS '{table_comment}';\n"
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return script
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def gen_pk(self, table_name: str) -> str:
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"""生成主键定义"""
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return ""
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def gen_index(self, ddl: Dict) -> str:
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return "\n".join(f"{script};" for script in self.index(ddl))
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def gen_insert(self, table_name: str) -> str:
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"""拷贝 INSERT 语句"""
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inserts = list(Convertor.inserts(table_name, self.content))
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## 生成 insert 脚本
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script = ""
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if inserts:
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inserts_lines = "\n".join(inserts)
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script += f"""\n\n-- ----------------------------
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-- Records of {table_name.lower()}
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-- ----------------------------
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-- @formatter:off
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SET IDENTITY_INSERT {table_name.lower()} ON;
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{inserts_lines}
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COMMIT;
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SET IDENTITY_INSERT {table_name.lower()} OFF;
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-- @formatter:on"""
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return script
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def main():
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parser = argparse.ArgumentParser(description="芋道系统数据库转换工具")
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parser.add_argument(
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"type",
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type=str,
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help="目标数据库类型",
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choices=["postgres", "oracle", "sqlserver"],
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choices=["postgres", "oracle", "sqlserver", "dm8"],
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)
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args = parser.parse_args()
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@ -624,6 +728,8 @@ def main():
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convertor = OracleConvertor(sql_file)
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elif args.type == "sqlserver":
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convertor = SQLServerConvertor(sql_file)
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elif args.type == "dm8":
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convertor = DM8Convertor(sql_file)
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else:
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raise NotImplementedError(f"不支持目标数据库类型: {args.type}")
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@ -4,6 +4,7 @@ volumes:
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mysql: { }
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postgres: { }
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sqlserver: { }
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dm8: { }
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services:
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mysql:
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@ -69,3 +70,25 @@ services:
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- ../sqlserver/ruoyi-vue-pro.sql:/tmp/schema.sql:ro
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# docker compose exec sqlserver bash /tmp/create_schema.sh
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- ./sqlserver/create_schema.sh:/tmp/create_schema.sh:ro
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dm8:
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# wget https://download.dameng.com/eco/dm8/dm8_20230808_rev197096_x86_rh6_64_single.tar
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# docker load -i dm8_20230808_rev197096_x86_rh6_64_single.tar
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image: dm8_single:dm8_20230808_rev197096_x86_rh6_64
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restart: unless-stopped
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environment:
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PAGE_SIZE: 16
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LD_LIBRARY_PATH: /opt/dmdbms/bin
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EXTENT_SIZE: 32
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BLANK_PAD_MODE: 1
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LOG_SIZE: 1024
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UNICODE_FLAG: 1
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LENGTH_IN_CHAR: 1
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INSTANCE_NAME: dm8_test
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ports:
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- "5236:5236"
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volumes:
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- dm8:/opt/dmdbms/data
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- ../dm/ruoyi-vue-pro-dm8.sql:/tmp/schema.sql:ro
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# docker compose exec -i dm8 /bin/bash -c "exec /opt/dmdbms/bin/disql SYSDBA/SYSDBA001 \`/tmp/schema.sql"
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@ -50,14 +50,14 @@ spring:
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# url: jdbc:mysql://127.0.0.1:3306/ruoyi-vue-pro?useSSL=false&allowPublicKeyRetrieval=true&useUnicode=true&characterEncoding=UTF-8&serverTimezone=CTT # MySQL Connector/J 5.X 连接的示例
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# url: jdbc:postgresql://127.0.0.1:5432/ruoyi-vue-pro?useUnicode=true&characterEncoding=utf8&useSSL=true&autoReconnect=true&reWriteBatchedInserts=true # PostgreSQL 连接的示例
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# url: jdbc:oracle:thin:@//127.0.0.1:1521/XEPDB1 # Oracle 连接的示例
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url: jdbc:sqlserver://127.0.0.1:1433;DatabaseName=ruoyi-vue-pro;SelectMethod=cursor;encrypt=false;rewriteBatchedStatements=true;useUnicode=true;characterEncoding=utf-8 # SQLServer 连接的示例
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# url: jdbc:dm://10.211.55.4:5236?schema=RUOYI_VUE_PRO # DM 连接的示例
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# url: jdbc:sqlserver://127.0.0.1:1433;DatabaseName=ruoyi-vue-pro;SelectMethod=cursor;encrypt=false;rewriteBatchedStatements=true;useUnicode=true;characterEncoding=utf-8 # SQLServer 连接的示例
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url: jdbc:dm://localhost:5236 # DM 连接的示例
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# username: root
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# password: 123456
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username: sa # SQLServer 连接的示例
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password: Yudao@2024 # SQLServer 连接的示例
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# username: SYSDBA # DM 连接的示例
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# password: SYSDBA # DM 连接的示例
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# username: sa # SQLServer 连接的示例
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# password: Yudao@2024 # SQLServer 连接的示例
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username: SYSDBA # DM 连接的示例
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password: SYSDBA001 # DM 连接的示例
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slave: # 模拟从库，可根据自己需要修改
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lazy: true # 开启懒加载，保证启动速度
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# url: jdbc:mysql://127.0.0.1:3306/ruoyi-vue-pro?useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true&nullCatalogMeansCurrent=true # MySQL Connector/J 8.X 连接的示例
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