for (JOIN_TAB **pos = best_ref + const_tables; *pos; pos++) { 一、遍历每张出现的表,寻找表里已经创建的索引。 二、判断表有join条件的情况,本次不涉及 三、判断表有表依赖的情况,本次不涉及 四、检查表是否可以通过key读取或表仅使用 const ref。 这里需要排除以下表: 1. 全文搜索,或 2. 嵌套...
start_keyuse);// 改变table的状态为constjoin_read_const_table(tab,positions+const_tables-1);}}}while((const_table_map&found_ref)&&ref_changed); 1
if (extract_func_dependent_tables()) return true; } } bool JOIN::extract_func_dependent_tables() { do { for (JOIN_TAB **pos = best_ref + const_tables; *pos; pos++) { 一、遍历每张出现的表,寻找表里已经创建的索引。 二、判断表有join条件的情况,本次不涉及 三、判断表有表依赖的情况,...
export const dialog = MxPluginContext.useDialogIsShow( false, "Mx_test_dialog", () => { dialog.showDialog(!dialog.isShow.value); } ); 3.在文件夹下创建 dialog.vue 文件用于构建弹框ui界面,代码如下: import { ref } from "vue"; import { VBtn } from "vuetify/components"; import { d...
lazyLargeObject = new Lazy<LargeObject>(); // The following lines show how to use other constructors to achieve exactly the // same result as the previous line: //lazyLargeObject = new Lazy<LargeObject>(true); //lazyLargeObject = new Lazy<LargeObject>(LazyThreadSafetyMode.ExecutionAndPubl...
I'm going to show you how you can easily define iterators for your custom containers, but just in case I have created a c++11 library that allows you to easily create custom iterators with custom behavior for any type of container, contiguous or non-contiguous. You can find it on Github...
mlir/lib/Conversion/TosaToTensor/TosaToTensor.cpp Show resolved [mlir][NFC] Mark type converter in populate... functions as const … c1e8445 matthias-springer force-pushed the users/matthias-springer/const_populate branch from 09b6de3 to c1e8445 Compare October 5, 2024 13:22 kuhar approved...
1.const isShow = ref(false)默认是false,选择框直接出,不受控制 2.点击搜索图标没有反应默认是false,选择框直接出,不受控制 2.点击搜索图标没有反应 爱学习的兔爷 2022-04-26 17:11:15 源自:5-27 方案落地:创建 headerSearch 组件 1205 分享 ...
IMGUI_API bool ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFlags flags = 0, ImVec2 size = ImVec2(0, 0)); // display a color square/button, hover for details, return true when pressed. IMGUI_API bool ColorButton(const char* desc_id, const ImVec4& col, ...
procedure A_max(ref A[1:*]: int) returns rtn : int rtn := low(int) fa i := 1 to ub(A) -> if A[i] > rtn -> rtn := A[i] fi af end Herertncan reside throughout its lifetime in the return location allocated by the caller. A similar facility can be found in Eiffel, ...