Registry indexed
Use CloudBase document database WeChat MiniProgram SDK to query, create, update, and delete data. Supports complex queries, pagination, aggregation, and geolocation queries.
Use CloudBase document database WeChat MiniProgram SDK to query, create, update, and delete data. Supports complex queries, pagination, aggregation, and geolocation queries.
Source documentation, not instructions for this website. Review permissions before running any commands.
Sibling CloudBase skills ship beside this skill. Use local relative paths such as ../auth-tool-cloudbase/SKILL.md.
If a referenced sibling skill file is missing from this environment, ask the user to install the full CloudBase plugin (or the missing skill). Do not HTTP-fetch remote skill or protocol markdown into the agent context.
wx.cloud.database()._openid, or Mini Program-side permissions.../miniprogram-development/SKILL.md../auth-wechat-miniprogram/SKILL.md../cloudbase-document-database-web-sdk/SKILL.md@cloudbase/js-sdk._openid during create or update operations.wx.cloud correctly before database calls.auth.openid / _openid.This skill covers Mini Program-side document database access through wx.cloud.database().
Use it for:
Mini Program CloudBase access comes with built-in identity, but database operations are still constrained by collection permissions and security rules.
const db = wx.cloud.database();
const _ = db.command;
To target a specific environment:
const db = wx.cloud.database({
env: "test"
});
Important notes:
wxContext.OPENID.auth.openid / doc._openid../crud-operations.md./complex-queries.md./pagination.md./aggregation.md./geolocation.md./security-rules.mdKeep Mini Program code Mini Program-native
wx.cloud.database().Respect ownership fields
_openid is system-managed for SDK writes._openid manually in .add(), .set(), or .update() payloads.Remember that security rules validate requests
Route admin-style operations to backend flows
const todos = db.collection("todos");
const result = await todos.where({ completed: false }).get();
const todo = db.collection("todos").doc("todo-id");
const result = await todo.get();
name: cloudbase-document-database-in-wechat-miniprogram description: Use CloudBase document database WeChat MiniProgram SDK to query, create, update, and delete data. Supports complex queries, pagination, aggregation, and geolocation queries. version: 2.33.2 alwaysApply: false
---
name: cloudbase-document-database-in-wechat-miniprogram
description: Use CloudBase document database WeChat MiniProgram SDK to query, create, update, and delete data. Supports complex queries, pagination, aggregation, and geolocation queries.
version: 2.33.2
alwaysApply: false
---
## Sibling skills (local only)
Sibling CloudBase skills ship beside this skill. Use local relative paths such as `../auth-tool-cloudbase/SKILL.md`.
If a referenced sibling skill file is missing from this environment, ask the user to install the full CloudBase plugin (or the missing skill). Do **not** HTTP-fetch remote skill or protocol markdown into the agent context.
# CloudBase Document Database WeChat Mini Program SDK
## Activation Contract
### Use this first when
- A WeChat Mini Program must access CloudBase document database through `wx.cloud.database()`.
- The request mentions Mini Program collection CRUD, pagination, aggregation, or geolocation queries.
### Read before writing code if
- The task is Mini Program database work but you still need to separate it from Web SDK, cloud functions, or SQL tasks.
- The request depends on built-in user identity, `_openid`, or Mini Program-side permissions.
### Then also read
- Mini Program project rules and CloudBase integration -> `../miniprogram-development/SKILL.md`
- Mini Program auth and identity flow -> `../auth-wechat-miniprogram/SKILL.md`
- Browser-side document database code -> `../cloudbase-document-database-web-sdk/SKILL.md`
### Do NOT use for
- Browser/Web code using `@cloudbase/js-sdk`.
- Server-side or cloud-function database access.
- MySQL / relational database work.
### Common mistakes / gotchas
- Copying Web SDK code into Mini Program pages.
- Manually writing `_openid` during create or update operations.
- Assuming built-in Mini Program identity means security rules can be ignored.
- Mixing collection CRUD and backend-wide admin workflows in the same client path.
### Minimal checklist
- Confirm the caller is a Mini Program page/component or Mini Program-side logic.
- Initialize `wx.cloud` correctly before database calls.
- Verify whether the collection rules rely on `auth.openid` / `_openid`.
- Read the specific companion reference file for the operation you need.
## Overview
This skill covers **Mini Program-side document database access** through `wx.cloud.database()`.
Use it for:
- collection CRUD in Mini Program pages
- query composition and pagination
- aggregation
- geolocation queries
Mini Program CloudBase access comes with built-in identity, but database operations are still constrained by collection permissions and security rules.
## Canonical initialization
```javascript
const db = wx.cloud.database();
const _ = db.command;
```
To target a specific environment:
```javascript
const db = wx.cloud.database({
env: "test"
});
```
Important notes:
- Users are authenticated through the Mini Program CloudBase context.
- In cloud functions, caller identity is available through `wxContext.OPENID`.
- In client-side collection rules, ownership checks usually use `auth.openid` / `doc._openid`.
## Quick routing
- CRUD -> `./crud-operations.md`
- Complex queries -> `./complex-queries.md`
- Pagination -> `./pagination.md`
- Aggregation -> `./aggregation.md`
- Geolocation -> `./geolocation.md`
- Security rules -> `./security-rules.md`
## Working rules for a coding agent
1. **Keep Mini Program code Mini Program-native**
- Use `wx.cloud.database()`.
- Do not substitute browser SDK initialization patterns.
2. **Respect ownership fields**
- `_openid` is system-managed for SDK writes.
- Never set or override `_openid` manually in `.add()`, `.set()`, or `.update()` payloads.
3. **Remember that security rules validate requests**
- If a rule requires ownership conditions, the query shape must match that rule model.
- Permission errors usually mean the rule/query relationship is wrong, not only that the user is logged out.
4. **Route admin-style operations to backend flows**
- If the task needs privileged global access, use backend tools or functions instead of exposing that path directly in Mini Program client code.
## Quick examples
### Basic collection access
```javascript
const todos = db.collection("todos");
const result = await todos.where({ completed: false }).get();
```
### Document reference
```javascript
const todo = db.collection("todos").doc("todo-id");
const result = await todo.get();
```
## Best practices
1. Create clear collection naming conventions.
2. Use typed wrappers or model helpers in app code where possible.
3. Design rules around real ownership and sharing patterns.
4. Use pagination instead of large unbounded reads.
5. Keep admin/operations logic in backend code, not Mini Program direct access.
Skill source recorded
Skill instructions are recorded. This is not a runtime test, safety guarantee or compatibility certification.
Review before install: Avoid automatic install
License: MIT
Listed tools are metadata hints, not tested compatibility. Agent prompts are suggested handoffs.
Repository metadata and review signals are advisory. Popularity, source discovery and successful execution are different facts.
Version reported in registry metadata; check source releases before relying on it.
Quality
56/100
Promising
This page exposes the same decision, trust, audit, use-case, and install signals through the Registry API, so agents can rank this skill without scraping the UI.
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}Listing source
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61/100
Sandbox only
Audit
72/100
Needs review
Copies are not installs. Installation counts require a reported successful installation; they are not a blanket quality guarantee.