SQLLanguageServer

SQL Language Server

Packages

Autocompletion and notify warnings and errors and some other editor support (sql-language-server)
Lint (sqlint)
VSC extension
SQL parser

Supported DB

MySQL
PostgreSQL
SQLite3

Installation & How to setup

Visual Studio Code

Install vsc extension.

Other Editors

npm i -g sql-language-server

Neovim

LanguageClient-neovim

Add the following to the init.vim file (.vimrc)

let g:LanguageClient_serverCommands = {
    \ 'sql': ['sql-language-server', 'up', '--method', 'stdio'],
    \ }

nvim-lsp

Run the following command, reference the nvim-lsp documentation for more information.

:LspInstall sqlls

Monaco Editor(monaco-languageclient)

https://github.com/joe-re/sql-language-server/blob/master/example/monaco_editor

It's also used to develop sql-language-server. You can follow development section to check Mocaco Editor working.

Usage

CLI

$ sql-language-server up [options]        run sql-language-server

Options

  --version      Show version number                                   [boolean]
  --help         Show help                                             [boolean]
  --method, -m  What use to communicate with sql language server
                   [string] [choices: "stdio", "node-ipc"] [default: "node-ipc"]
  --debug, -d    Enable debug logging                 [boolean] [default: false]

Example

$ sql-language-server up --method stdio

Configuration

There are two ways to use configuration files.

Set personal configuration file(~/.config/sql-language-server/.sqllsrc.json)
Set project configuration file on your project root(${YOUR_PROJECT/.sqllsrc.json})
Use workspace/configuration according to LSP specification

Example for personal configuration file

Examples

{
  "connections": [
    {
      "name": "sql-language-server",
      "adapter": "mysql",
      "host": "localhost",
      "port": 3307,
      "user": "username",
      "password": "password",
      "database": "mysql-development",
      "projectPaths": ["/Users/joe-re/src/sql-language-server"],
      "ssh": {
        "user": "ubuntu",
        "remoteHost": "ec2-xxx-xxx-xxx-xxx.ap-southeast-1.compute.amazonaws.com",
        "dbHost": "127.0.0.1",
        "port": 3306,
        "identityFile": "~/.ssh/id_rsa",
        "passphrase": "123456"
      }
    },
    {
      "name": "postgres-project",
      "adapter": "prostgres",
      "host": "localhost",
      "port": 5432,
      "user": "postgres",
      "password": "pg_pass",
      "database": "pg_test",
      "projectPaths": ["/Users/joe-re/src/postgres_project"]
    },
    {
      "name": "sqlite3-project",
      "adapter": "sqlite3",
      "filename": "/Users/joe-re/src/sql-language-server/packages/server/test.sqlite3",
      "projectPaths": ["/Users/joe-re/src/sqlite2_project"]
    }
  ]
}

Please restart sql-language-server process after create .sqllsrc.json.

Parameters of connections

Key	Description	value	required	default
name	Connection name(free-form text)		true
adapter	Database type	"mysql" or "postgres" or "sqlite3"	true
host	Database host	string	false
port	Database port	string	false	mysql:3306, postgres:5432
user	Database user	string	false	mysql:"root", postgres:"postgres"
password	Database password	string	false
database	Database name	string	false
filename	Database filename(only for sqlite3)	string	false
projectPaths	Project path that you want to apply(if you don't set it configuration will not apply automatically when lsp's started up)	string[]	false	[]
ssh	Settings for port fowarding	*see below SSH section	false

SSH

Key	Description	value	required	default
remoteHost	The host address you want to connect to	string	true
remotePort	Port number of the server for ssh	number	false	22
user	User name on the server	string	false
dbHost	Database host on the server	string	false	127.0.0.1
dbPort	Databse port on the server	number	false	mysql:3306, postgres:5432
identitiFile	Identity file for ssh	string	false	~/.ssh/config/id_rsa
passphrase	Passphrase to allow to use identity file	string	false

Personal confuguration file

Personal configuration file is located on ~/.config/sql-language-server/.sqllsrc.json. sql-language-server will try to read when it's started.

Project confuguration file

Project configuration file is located on ${YOUR_PROJECT_ROOT}/.sqllsrc.json.

All setting items are similarly to personal configuration file, with some exceptions:

Specify under connection property element directly(you don't need to set array)
You don't need to set project path.(if you set it it will be ignored)
It's merged to personal configuration if you have it.

Example:

{
  "name": "postgres-project",
  "adapter": "prostgres",
  "host": "localhost",
  "port": 5432,
  "user": "postgres",
  "database": "pg_test"
}

And also if you have set personal configuration and both of them's names are matched, it's merged automatically.

Personal configuration example:

{
  "connections": [{
    "name": "postgres-project",
    "password": "password",
    "ssh": {
      "user": "ubuntu",
      "remoteHost": "ec2-xxx-xxx-xxx-xxx.ap-southeast-1.compute.amazonaws.com",
      "dbHost": "127.0.0.1",
      "port": 5432,
      "identityFile": "~/.ssh/id_rsa",
      "passphrase": "123456"
    }
  }]
}

It will merge them as following:

{
  "name": "postgres-project",
  "adapter": "prostgres",
  "host": "localhost",
  "port": 5432,
  "user": "postgres",
  "database": "pg_test",
  "password": "password",
  "ssh": {
    "user": "ubuntu",
    "remoteHost": "ec2-xxx-xxx-xxx-xxx.ap-southeast-1.compute.amazonaws.com",
    "dbHost": "127.0.0.1",
    "port": 5432,
    "identityFile": "~/.ssh/id_rsa",
    "passphrase": "123456"
  }
}

workspace/configuration

Parameters of workspace configuration

connections: It's the same as connections params of personal config file
lint: It's the same as configuration of sqlint.

Example of workspace configuration

coc.nvim

~/.config/nvim/coc-settings.json

{
  "languageserver": {
    "sql": {
      "command": "sql-language-server",
      "args": ["up", "--method", "stdio"],
      "filetypes": ["sql"],
      "settings": {
        "sqlLanguageServer": {
          "connections": [
            {
              "name": "mysql_project",
              "adapter": "mysql",
              "host": "127.0.0.1",
              "port": 3306,
              "user": "sqlls",
              "password": "sqlls",
              "database": "mysql_db",
              "projectPaths": ["/Users/joe_re/src/MysqlProject"],
              "ssh": {
                "user": "ubuntu",
                "remoteHost": "xxx-xx-xxx-xxx-xxx.ap-southeast-1.compute.amazonaws.com",
                "dbHost": "127.0.0.1",
                "port": 3306
              }
            }
          ],
          "lint": {
            "rules": {
              "align-column-to-the-first": "error",
              "column-new-line": "error",
              "linebreak-after-clause-keyword": "off",
              "reserved-word-case": ["error", "upper"],
              "space-surrounding-operators": "error",
              "where-clause-new-line": "error",
              "align-where-clause-to-the-first": "error"
            }
          }
        }
      }
    }
  }
}

vscode workspace setting

"settings": {
  "sqlLanguageServer.connections": [
    {
      "name": "mysql_project",
      "adapter": "mysql",
      "host": "127.0.0.1",
      "port": 3306,
      "user": "sqlls",
      "password": "sqlls",
      "database": "mysql_db",
      "projectPaths": ["/Users/joe_re/src/MysqlProject"],
      "ssh": {
        "user": "ubuntu",
        "remoteHost": "xxx-xx-xxx-xxx-xxx.ap-southeast-1.compute.amazonaws.com",
        "dbHost": "127.0.0.1",
        "port": 3306
      }
    }
  ],
  "sqlLanguageServer.lint": {
    "rules": {
      "align-column-to-the-first": "off",
      "column-new-line": "error",
      "linebreak-after-clause-keyword": "error",
      "reserved-word-case": ["error", "upper"],
      "space-surrounding-operators": "error",
      "where-clause-new-line": "error",
      "align-where-clause-to-the-first": "error",
    }
  }
}

Inject envitonment variables

${env:VARIABLE_NAME} syntax allows you to replace configuration value with enviroment variable. This is useful when you don't want to write actual value on the configuration file.

example

{
  "adapter": "mysql",
  "host": "localhost",
  "port": 3307,
  "user": "username",
  "password": "${env:DB_PASSWORD}",
  "database": "mysql-development",
  "ssh": {
    "user": "ubuntu",
    "remoteHost": "ec2-xxx-xxx-xxx-xxx.ap-southeast-1.compute.amazonaws.com",
    "dbHost": "127.0.0.1",
    "port": 3306,
    "identityFile": "~/.ssh/id_rsa",
    "passphrase": "${env:SSH_PASSPHRASE}"
  }
}

Switch database connection

If you have multiple connection information on personal config file, you can swtich database connection.

VSC extension provides Switch database connection command.

Raw RPC param:

method: workspace/executeCommand
command: switchDataBaseConnection
arguments: string(project name)

SQLite3 Notes

If you get error when you use sqlite3 connection, you may need to rebuild sqlite3 on your environment.

VSC extension provides the command to rebuild it.(Name: Rebuild SQLite3 Client)

If you're using sql-language-server directly, after go to the directry of it and call npm rebuild sqlite to rebuild it.

Lint

You can use lint rules that are provided sqlint. Please refer this to know how to use and how to configure to make them be matched your case.

Also you can use it to fix your problem if it's possible.

Raw RPC param:

method: workspace/executeCommand
command: fixAllFixableProblems
arguments: string(document uri)

Setup docker-compose on your machine.

https://docs.docker.com/compose/install/

Start development process on your docker.

$ docker compose up

Open http://localhost:3000 on your browser.

Migrate database

$ docker compose exec assets bash

Migrate database

$ cd example/monaco_editor
$ yarn migrate:postgres # postgres
$ yarn migrate:mysql    # mysql
$ yarn migrate:sqlite   # sqlite3

forivall / sql-language-server Goto Github PK

sql-language-server's Introduction

Monaco Editor(monaco-languageclient)

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