52 lines
2.0 KiB
Markdown
52 lines
2.0 KiB
Markdown
```meta
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type: plug
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uri: core:query
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repo: https://github.com/silverbulletmd/silverbullet
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author: Silver Bullet Authors
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```
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### 1. What?
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The query plug is a built-in plug implementing the `<!-- #query -->` mechanism. You can use query plug to automatically receive information from your notes.
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### 2. Syntax
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1. start with: `<!-- #query [QUERY GOES HERE] -->`
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2. end with: `<!-- /query -->`
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3. write your query: replace `[QUERY GOES HERE]` with any query you want using options below
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4. available query options: Usage of options is similar to general query language except special render option. Render option is to use display the data in a format that you created in a separate template
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* `where`
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* `order`
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* `limit`
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* `select`
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* `render`
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5. If you are a developer or have a technical knowledge to read a code and would like to know more about syntax please check out [query grammar](https://github.com/silverbulletmd/silverbullet/blob/main/packages/plugs/query/query.grammar)
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### 3. How to run a query?
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After writing the query, there are two options
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* Open the **command palette** and run **Materialized Queries: Update**
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* Use shortcut: for windows **Alt-q** and for mac **Option-q**
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* Go to another page and come back to the page where query is located
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After using one of the options, the data will be displayed.
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### 4. Data sources
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Available data sources can be categorized as
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1. Builtin data sources
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2. Data that can be inserted by users
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3. Plug’s data sourcer
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Best part about data sources: there is an auto completion 🎉. Start writing `<!— #query `, it will show you all available data sources.
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#### 4.1 Builtin data sources
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* `page`: list of all pages
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* `task`: list of all tasks created with `[]` syntax
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* `full-text`: use it with `where phrase = "SOME_TEXT"`. List of all pages where `SOME_TEXT` is mentioned
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* `item`: list of ordered and unordered items such as bulleted lists
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* `tags`: list of all hashtags used in all pages
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* `link`: list of all pages giving a link to the page where query is written
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<!-- #query -->
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<!-- /query -->
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