redis connection

plugins/dbgate-plugin-redis/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+build
+dist
+lib
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

plugins/dbgate-plugin-redis/README.md

@@ -0,0 +1,6 @@
+[![styled with prettier](https://img.shields.io/badge/styled_with-prettier-ff69b4.svg)](https://github.com/prettier/prettier)
+[![NPM version](https://img.shields.io/npm/v/dbgate-plugin-redis.svg)](https://www.npmjs.com/package/dbgate-plugin-redis)
+
+# dbgate-plugin-redis
+
+Use DbGate for install of this plugin

plugins/dbgate-plugin-redis/icon.svg

@@ -0,0 +1,35 @@
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plugins/dbgate-plugin-redis/package.json

@@ -0,0 +1,42 @@
+{
+  "name": "dbgate-plugin-redis",
+  "main": "dist/backend.js",
+  "version": "1.0.0",
+  "license": "MIT",
+  "description": "Redis connector plugin for DbGate",
+  "homepage": "https://dbgate.org",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/dbgate/dbgate"
+  },
+  "author": "Jan Prochazka",
+  "keywords": [
+    "dbgate",
+    "dbgateplugin",
+    "redis"
+  ],
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "build:frontend": "webpack --config webpack-frontend.config",
+    "build:frontend:watch": "webpack --watch --config webpack-frontend.config",
+    "build:backend": "webpack --config webpack-backend.config.js",
+    "build": "yarn build:frontend && yarn build:backend",
+    "plugin": "yarn build && yarn pack && dbgate-plugin dbgate-plugin-redis",
+    "plugout": "dbgate-plugout dbgate-plugin-redis",
+    "copydist": "yarn build && yarn pack && dbgate-copydist ../dist/dbgate-plugin-redis",
+    "prepublishOnly": "yarn build"
+  },
+  "devDependencies": {
+    "dbgate-plugin-tools": "^1.0.7",
+    "dbgate-query-splitter": "^4.1.1",
+    "dbgate-tools": "^4.1.1",
+    "lodash": "^4.17.21",
+    "webpack": "^4.42.0",
+    "webpack-cli": "^3.3.11"
+  },
+  "dependencies": {
+    "ioredis": "^4.28.5"
+  }
+}

plugins/dbgate-plugin-redis/prettier.config.js

@@ -0,0 +1,8 @@
+module.exports = {
+  trailingComma: 'es5',
+  tabWidth: 2,
+  semi: true,
+  singleQuote: true,
+  arrowParen: 'avoid',
+  printWidth: 120,
+};

plugins/dbgate-plugin-redis/src/backend/Analyser.js

@@ -0,0 +1,9 @@
+const { DatabaseAnalyser } = require('dbgate-tools');
+
+class Analyser extends DatabaseAnalyser {
+  constructor(pool, driver) {
+    super(pool, driver);
+  }
+}
+
+module.exports = Analyser;

plugins/dbgate-plugin-redis/src/backend/driver.js

@@ -0,0 +1,67 @@
+const _ = require('lodash');
+const stream = require('stream');
+const driverBase = require('../frontend/driver');
+const Analyser = require('./Analyser');
+const Redis = require('ioredis');
+
+/** @type {import('dbgate-types').EngineDriver} */
+const driver = {
+  ...driverBase,
+  analyserClass: Analyser,
+  async connect({ server, port, password, database }) {
+    const pool = new Redis({
+      host: server,
+      port,
+      password,
+      db: 0,
+    });
+    return pool;
+  },
+  // @ts-ignore
+  async query(pool, sql) {
+    return {
+      rows: [],
+      columns: [],
+    };
+  },
+  async stream(pool, sql, options) {
+    return null;
+  },
+  async readQuery(pool, sql, structure) {
+    const pass = new stream.PassThrough({
+      objectMode: true,
+      highWaterMark: 100,
+    });
+
+    // pass.write(structure)
+    // pass.write(row1)
+    // pass.write(row2)
+    // pass.end()
+
+    return pass;
+  },
+  async writeTable(pool, name, options) {
+    return createBulkInsertStreamBase(this, stream, pool, name, options);
+  },
+  async info(pool) {
+    const info = await pool.info();
+    return _.fromPairs(
+      info
+        .split('\n')
+        .filter((x) => x.trim() && !x.trim().startsWith('#'))
+        .map((x) => x.split(':'))
+    );
+  },
+  async getVersion(pool) {
+    const info = await this.info(pool);
+
+    return { version: info.redis_version };
+  },
+  async listDatabases(pool) {
+    const info = await this.info(pool);
+
+    return _.range(16).map((index) => ({ name: `db${index}`, extInfo: info[`db${index}`], sortOrder: index }));
+  },
+};
+
+module.exports = driver;

plugins/dbgate-plugin-redis/src/backend/index.js

@@ -0,0 +1,6 @@
+const driver = require('./driver');
+
+module.exports = {
+  packageName: 'dbgate-plugin-redis',
+  drivers: [driver],
+};

plugins/dbgate-plugin-redis/src/frontend/Dumper.js

@@ -0,0 +1,6 @@
+const { SqlDumper } = require('dbgate-tools');
+
+class Dumper extends SqlDumper {
+}
+
+module.exports = Dumper;

plugins/dbgate-plugin-redis/src/frontend/driver.js

@@ -0,0 +1,30 @@
+const { driverBase } = global.DBGATE_TOOLS;
+const Dumper = require('./Dumper');
+
+/** @type {import('dbgate-types').SqlDialect} */
+const dialect = {
+  limitSelect: true,
+  rangeSelect: true,
+  offsetFetchRangeSyntax: true,
+  stringEscapeChar: "'",
+  fallbackDataType: 'nvarchar(max)',
+  quoteIdentifier(s) {
+    return `[${s}]`;
+  },
+};
+
+/** @type {import('dbgate-types').EngineDriver} */
+const driver = {
+  ...driverBase,
+  dumperClass: Dumper,
+  dialect,
+  engine: 'redis@dbgate-plugin-redis',
+  title: 'Redis',
+  defaultPort: 6379,
+
+  showConnectionField: (field, values) => {
+    return ['server', 'port', 'password'].includes(field);
+  },
+};
+
+module.exports = driver;

plugins/dbgate-plugin-redis/src/frontend/index.js

@@ -0,0 +1,6 @@
+import driver from './driver';
+
+export default {
+  packageName: 'dbgate-plugin-redis',
+  drivers: [driver],
+};

plugins/dbgate-plugin-redis/webpack-backend.config.js

@@ -0,0 +1,23 @@
+var webpack = require('webpack');
+var path = require('path');
+
+var config = {
+  context: __dirname + '/src/backend',
+
+  entry: {
+    app: './index.js',
+  },
+  target: 'node',
+  output: {
+    path: path.resolve(__dirname, 'dist'),
+    filename: 'backend.js',
+    libraryTarget: 'commonjs2',
+  },
+
+  // uncomment for disable minimalization
+  //   optimization: {
+  //     minimize: false,
+  //   },
+};
+
+module.exports = config;

plugins/dbgate-plugin-redis/webpack-frontend.config.js

@@ -0,0 +1,24 @@
+var webpack = require("webpack");
+var path = require("path");
+
+var config = {
+  context: __dirname + "/src/frontend",
+
+  entry: {
+    app: "./index.js",
+  },
+  target: "web",
+  output: {
+    path: path.resolve(__dirname, "dist"),
+    filename: "frontend.js",
+    libraryTarget: "var",
+    library: 'plugin',
+  },
+
+  // uncomment for disable minimalization
+  // optimization: {
+  //   minimize: false,
+  // },
+};
+
+module.exports = config;