5.1.22. any 5.1.22. any 这是属性映射的又一种类型。<any> 映射元素定义了一种从多个表到类的多态关联。这种类型的映射常常需要多于一个字段。第一个字段持有被关联实体的类型,其他的字段持有标识符。对这种类型的关联来说,不可能指定一个外键约束,所以这当然不是映射(多态)关联的通常的方式。你只应该在非常特殊的情况下使用...
复合片段 复合片段 A Meta Strip is a strip which contain multiple strips treated as if it was one strip.It allows you to reduce the vertical space used in the Sequencer.You can edit it ...
编译 版本信息 Meta Service 和 Recycler 部署 Meta Service 配置 Recycler 配置 模块启停 启停 Meta Service 启停 Recycler 在存算分离模式下进行 Doris 编译与存算一体模式的编译相似,主要区别在于新增 Meta Service 模块的编译和部署。 编译 存算分离和存...
Read-eval-print-loop Keyboard shortcuts Special variables Read-eval-print-loop deno repl starts an read-eval-print-loop, which lets you interactively build up program state ...
Read-eval-print-loop Keyboard shortcuts Special variables Read-eval-print-loop deno repl starts an read-eval-print-loop, which lets you interactively build up program state ...
Read-eval-print-loop Keyboard shortcuts Special variables Read-eval-print-loop deno repl starts an read-eval-print-loop, which lets you interactively build up program state ...
Read-eval-print-loop Keyboard shortcuts Special variables Read-eval-print-loop deno repl starts an read-eval-print-loop, which lets you interactively build up program state ...
Read-eval-print-loop Keyboard shortcuts Special variables Read-eval-print-loop deno repl starts an read-eval-print-loop, which lets you interactively build up program state ...