SubqueryBuilderComponent

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:63

子查询构建器组件

Description

用于 EXISTS/NOT EXISTS 操作符的嵌套查询条件。 支持：

• 添加子条件
• 嵌套规则组
• 清空子条件

Implements

• OnDestroy

Constructors

Constructor

new SubqueryBuilderComponent(): SubqueryBuilderComponent;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:100

Returns

SubqueryBuilderComponent

Properties

fields

readonly fields: InputSignal<FieldMetadata[]>;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:75

字段列表

---

hasRules

readonly hasRules: Signal<boolean | undefined>;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:95

是否有规则

---

initialQuery

readonly initialQuery: InputSignal<
  | QueryBuilderRuleGroup<Record<string, unknown>>
  | undefined>;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:78

初始查询

---

maxDepth

readonly maxDepth: InputSignal<number>;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:81

最大嵌套层级

---

queryChange

readonly queryChange: OutputEmitterRef<
  | {
  combinator: "and" | "or";
  rules: unknown[];
}
  | undefined>;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:84

查询变更事件

---

rootGroup

readonly rootGroup: Signal<UIRuleGroup | undefined>;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:90

根规则组

---

validationChange

readonly validationChange: OutputEmitterRef<ValidationResult>;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:87

验证变更事件

Methods

handleAddFirstRule()

handleAddFirstRule(): void;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:165

添加第一条规则

Returns

void

---

handleClear()

handleClear(): void;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:180

清空所有规则

Returns

void

---

ngOnDestroy()

ngOnDestroy(): void;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:160

销毁服务

Returns

void

Implementation of

OnDestroy.ngOnDestroy

---

onAddGroup()

onAddGroup(parentId): void;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:190

添加子组到指定组

Parameters

Parameter	Type
parentId	string

Returns

void

---

onAddRule()

onAddRule(event): void;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:185

添加规则到指定组

Parameters

Parameter	Type
event	{ parentId: string; rule: Omit<UIRule, "id">; }
event.parentId	string
event.rule	Omit<UIRule, "id">

Returns

void

---

onRemoveItem()

onRemoveItem(id): void;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:195

删除规则或组

Parameters

Parameter	Type
id	string

Returns

void

---

onUpdateCombinator()

onUpdateCombinator(event): void;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:205

更新组合器

Parameters

Parameter	Type
event	{ combinator: "and" | "or"; id: string; }
event.combinator	"and" | "or"
event.id	string

Returns

void

---

onUpdateRule()

onUpdateRule(event): void;

Defined in: packages/rxdb-model-angular/src/query-builder/subquery-builder/subquery-builder.component.ts:200

更新规则

Parameters

Parameter	Type
event	{ id: string; updates: Partial<UIRule>; }
event.id	string
event.updates	Partial<UIRule>

Returns

void