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https://github.com/yorci/surrealdb.cr

SurrealDB driver for Crystal
https://github.com/yorci/surrealdb.cr

crystal database database-connector surreal surrealdb

Last synced: 3 months ago
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SurrealDB driver for Crystal

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# surrealdb

The unofficial SurrealDB library for Crystal.

## Todo

- [x] HTTP client tests
- [ ] Websocket client tests

*Contributions are welcome*

## Installation

1. Add the dependency to your `shard.yml`:

```yaml
dependencies:
surrealdb:
github: yorci/surrealdb.cr
```

2. Run `shards install`

## Usage

### Connection
```crystal
require "surrealdb"

# FOR HTTP Client
sdb = SurrealDB.create(
url: "http://0.0.0.0:8000/sql",
client: SurrealDB::HTTP,
)

# FOR Websocket Client
sdb = SurrealDB.create(
url: "http://0.0.0.0:8000/rpc",
client: SurrealDB::WS,
)

# Set authorization variables
sdb.signin "root", "root"
sdb.use "test", "test"

# Creates a records in a given table
sdb.create(
"person",
{"title" => "Founder & CEO",
"name" => {
"first" => "Tobie",
"last" => "Morgan Hitchcock",
},
"marketing" => true,
"identifier" => SurrealDB.guid,
}
)

# Selects all records in given table
sdb.select("person")

# Update a person record with a specific id
# note `#change` or `#update` both the same for http client
sdb.update(
"person:jaime",
{"marketing" => false}
)

# [WS] Perform a custom advanced query
sdb.query(
"SELECT marketing, count() FROM type::table($tb) GROUP BY marketing",
{"tb" => "person"}
)

# [HTTP] Perform a custom advanced query
# note: you cannot use query parameter for http client
sdb.query(
"SELECT marketing, count() FROM person GROUP BY marketing",
nil
)

# [WS] Perform a custom advanced query
# this will return *WSErrorResponse*
sdb.query(
"SELECT marketing, counr() FROM type::table($tb) GROUP BY marketing",
{"tb" => "person"}
)

# [HTTP] Perform a custom advanced query
# note: you cannot use query parameter for http client
# this will return *HTTPErrorResponse*
sdb.query(
"SELECT marketing, counr() FROM person GROUP BY marketing",
nil
)
```

## Contributing

1. Fork it ()
2. Create your feature branch (`git checkout -b my-new-feature`)
3. Commit your changes (`git commit -am 'Add some feature'`)
4. Push to the branch (`git push origin my-new-feature`)
5. Create a new Pull Request

## Contributors

- [Muhammed Yaşar](https://github.com/yorci) - creator and maintainer