├── .github └── workflows │ └── bun-test.yml ├── .gitignore ├── LICENSE ├── README.md ├── bun.lockb ├── example.deno.ts ├── example.ts ├── index.ts ├── lib ├── README.md ├── build.sh ├── chdb.h ├── chdb_bun.c ├── chdb_bun.h └── update_libchdb.sh ├── mod.ts ├── package.json └── tsconfig.json /.github/workflows/bun-test.yml: -------------------------------------------------------------------------------- 1 | name: chDB-bun 2 | 3 | on: 4 | pull_request: 5 | paths-ignore: 6 | - "**/.md" 7 | push: 8 | branches: ["main"] 9 | paths-ignore: 10 | - "**/.md" 11 | 12 | jobs: 13 | build: 14 | runs-on: ubuntu-latest 15 | steps: 16 | - uses: actions/checkout@v3 17 | - name: Fetch library 18 | run: | 19 | wget https://github.com/chdb-io/chdb/releases/latest/download/linux-x86_64-libchdb.tar.gz 20 | tar -xzf linux-x86_64-libchdb.tar.gz 21 | sudo mv libchdb.so /usr/lib/libchdb.so 22 | sudo ldconfig 23 | - uses: oven-sh/setup-bun@v1 24 | with: 25 | bun-version: latest 26 | - run: bun install 27 | - run: bun run build 28 | - run: bun run example.ts 29 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules 2 | 3 | *.so 4 | /lib/chdb_bun.dylib 5 | /lib/libchdb.so 6 | /lib/index.js 7 | /lib/index.d.ts 8 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | [![chDB-bun](https://github.com/chdb-io/chdb-bun/actions/workflows/bun-test.yml/badge.svg)](https://github.com/chdb-io/chdb-bun/actions/workflows/bun-test.yml) 6 | 7 | # chdb-bun 8 | Experimental [chDB](https://github.com/chdb-io/chdb) FFI bindings for the [bun runtime](https://bun.sh) 9 | ### Status 10 | 11 | - experimental, unstable, subject to changes 12 | - requires [`libchdb`](https://github.com/chdb-io/chdb) on the system 13 | - requires `gcc` or `clang` 14 | 15 | #### Build binding 16 | ```bash 17 | bun run build 18 | bun run example.ts 19 | ``` 20 | 21 | #### Usage 22 | 23 | #### Query(query, *format) (ephemeral) 24 | ```javascript 25 | import { query } from 'chdb-bun'; 26 | 27 | // Query (ephemeral) 28 | var result = query("SELECT version()", "CSV"); 29 | console.log(result); // 23.10.1.1 30 | ``` 31 | 32 | #### Session.Query(query, *format) 33 | ```javascript 34 | import { Session } from 'chdb-bun'; 35 | const sess = new Session('./chdb-bun-tmp'); 36 | 37 | // Query Session (persistent) 38 | sess.query("CREATE FUNCTION IF NOT EXISTS hello AS () -> 'Hello chDB'", "CSV"); 39 | var result = sess.query("SELECT hello()", "CSV"); 40 | console.log(result); 41 | 42 | // Before cleanup, you can find the database files in `./chdb-bun-tmp` 43 | 44 | sess.cleanup(); // cleanup session, this will delete the database 45 | ``` 46 | 47 |
48 | -------------------------------------------------------------------------------- /bun.lockb: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/chdb-io/chdb-bun/f6ae3741b6d045bd764e6fde5e1e3484acb6c859/bun.lockb -------------------------------------------------------------------------------- /example.deno.ts: -------------------------------------------------------------------------------- 1 | // Run with `deno run --unstable-ffi -A example.deno.ts` 2 | import { query, Session } from "./mod.ts"; 3 | 4 | // Create a new session instance 5 | const session = new Session("./chdb-bun-tmp"); 6 | let result; 7 | 8 | // Test standalone query 9 | result = query("SELECT version(), 'Hello chDB', chdb()", "CSV"); 10 | console.log(result); 11 | 12 | // Test session query 13 | session.query("CREATE FUNCTION IF NOT EXISTS hello AS () -> 'chDB'", "CSV"); 14 | result = session.query("SELECT hello()", "CSV"); 15 | console.log(result); 16 | 17 | // Clean up the session 18 | session.cleanup(); 19 | -------------------------------------------------------------------------------- /example.ts: -------------------------------------------------------------------------------- 1 | import { query, Session } from "."; 2 | 3 | // Create a new session instance 4 | const session = new Session("./chdb-bun-tmp"); 5 | var result; 6 | 7 | // Test standalone query 8 | result = query("SELECT version(), 'Hello chDB', chdb()", "CSV"); 9 | console.log(result); 10 | 11 | // Test session query 12 | session.query("CREATE FUNCTION IF NOT EXISTS hello AS () -> 'chDB'", "CSV"); 13 | result = session.query("SELECT hello()", "CSV"); 14 | console.log(result); 15 | 16 | // Clean up the session 17 | session.cleanup(); 18 | -------------------------------------------------------------------------------- /index.ts: -------------------------------------------------------------------------------- 1 | import { dlopen, FFIType } from "bun:ffi"; 2 | import { rmdirSync, mkdtempSync } from 'fs'; 3 | 4 | const path = `chdb_bun.so`; 5 | 6 | const { symbols: chdb } = dlopen(path, { 7 | Query: { 8 | args: [FFIType.cstring, FFIType.cstring], 9 | returns: FFIType.cstring, 10 | }, 11 | QuerySession: { 12 | args: [FFIType.cstring, FFIType.cstring, FFIType.cstring], 13 | returns: FFIType.cstring, 14 | }, 15 | }); 16 | 17 | // Standalone exported query function 18 | export function query(query: string, format: string = "CSV") { 19 | if (!query) { 20 | return ""; 21 | } 22 | return chdb.Query(Buffer.from(query + "\0"), Buffer.from(format + "\0")); 23 | } 24 | 25 | // Session class with path handling 26 | class Session { 27 | path: string; 28 | isTemp: boolean; 29 | 30 | query(query: string, format: string = "CSV") { 31 | if (!query) return ""; 32 | return chdb.QuerySession( 33 | Buffer.from(query + "\0"), 34 | Buffer.from(format + "\0"), 35 | Buffer.from(this.path + "\0") 36 | ); 37 | } 38 | 39 | constructor(path: string = "") { 40 | if (path === "") { 41 | // Create a temporary directory 42 | this.path = mkdtempSync("tmp-"); 43 | this.isTemp = true; 44 | } else { 45 | this.path = path; 46 | this.isTemp = false; 47 | } 48 | } 49 | 50 | // Cleanup method to delete the temporary directory 51 | cleanup() { 52 | rmdirSync(this.path, { recursive: true }); 53 | } 54 | } 55 | 56 | export { chdb, Session }; 57 | -------------------------------------------------------------------------------- /lib/README.md: -------------------------------------------------------------------------------- 1 | ## libchdb `Query` function binding 2 | 3 | ```bash 4 | # install dependencies 5 | ./update_libchdb.sh 6 | 7 | # build the dynamic library 8 | 9 | ./build.sh 10 | ``` 11 | -------------------------------------------------------------------------------- /lib/build.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | if [ "$(uname)" == "Darwin" ]; then 4 | clang -O3 -dynamiclib -o chdb_bun.so -L. -lchdb chdb_bun.c 5 | elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then 6 | clang -O3 -shared -fPIC -o chdb_bun.so -L. -lchdb chdb_bun.c 7 | else 8 | echo "Unsupported operating system" 9 | exit 1 10 | fi 11 | 12 | mv chdb_bun.so ../chdb_bun.so 13 | mv libchdb.so ../libchdb.so -------------------------------------------------------------------------------- /lib/chdb.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | 3 | #ifdef __cplusplus 4 | # include 5 | # include 6 | extern "C" { 7 | #else 8 | # include 9 | # include 10 | #endif 11 | 12 | #define CHDB_EXPORT __attribute__((visibility("default"))) 13 | struct CHDB_EXPORT local_result 14 | { 15 | char * buf; 16 | size_t len; 17 | void * _vec; // std::vector *, for freeing 18 | double elapsed; 19 | uint64_t rows_read; 20 | uint64_t bytes_read; 21 | }; 22 | 23 | CHDB_EXPORT struct local_result * query_stable(int argc, char ** argv); 24 | CHDB_EXPORT void free_result(struct local_result * result); 25 | 26 | #ifdef __cplusplus 27 | } 28 | #endif 29 | -------------------------------------------------------------------------------- /lib/chdb_bun.c: -------------------------------------------------------------------------------- 1 | #include "chdb.h" 2 | #include "chdb_bun.h" 3 | #include 4 | #include 5 | #include 6 | 7 | #define MAX_FORMAT_LENGTH 64 8 | #define MAX_PATH_LENGTH 4096 9 | #define MAX_ARG_COUNT 6 10 | 11 | // Utility function to construct argument string 12 | void construct_arg(char *dest, const char *prefix, const char *value, 13 | size_t dest_size) { 14 | snprintf(dest, dest_size, "%s%s", prefix, value); 15 | } 16 | 17 | // Generalized query function 18 | char *general_query(int argc, char *args[]) { 19 | struct local_result *result = query_stable(argc, args); 20 | 21 | if (result == NULL) { 22 | return NULL; 23 | } else { 24 | return result->buf; 25 | } 26 | } 27 | 28 | // Query function without session 29 | char *Query(const char *query, const char *format) { 30 | char dataFormat[MAX_FORMAT_LENGTH]; 31 | char *dataQuery; 32 | char *args[MAX_ARG_COUNT] = {"clickhouse", "--multiquery", NULL, NULL}; 33 | int argc = 4; 34 | 35 | construct_arg(dataFormat, "--output-format=", format, MAX_FORMAT_LENGTH); 36 | args[2] = dataFormat; 37 | 38 | dataQuery = (char *)malloc(strlen(query) + strlen("--query=") + 1); 39 | if (dataQuery == NULL) { 40 | return NULL; 41 | } 42 | construct_arg(dataQuery, "--query=", query, 43 | strlen(query) + strlen("--query=") + 1); 44 | args[3] = dataQuery; 45 | 46 | char *result = general_query(argc, args); 47 | free(dataQuery); 48 | return result; 49 | } 50 | 51 | // QuerySession function will save the session to the path 52 | // queries with same path will use the same session 53 | char *QuerySession(const char *query, const char *format, const char *path) { 54 | char dataFormat[MAX_FORMAT_LENGTH]; 55 | char dataPath[MAX_PATH_LENGTH]; 56 | char *dataQuery; 57 | char *args[MAX_ARG_COUNT] = {"clickhouse", "--multiquery", NULL, NULL, NULL}; 58 | int argc = 5; 59 | 60 | construct_arg(dataFormat, "--output-format=", format, MAX_FORMAT_LENGTH); 61 | args[2] = dataFormat; 62 | 63 | dataQuery = (char *)malloc(strlen(query) + strlen("--query=") + 1); 64 | if (dataQuery == NULL) { 65 | return NULL; 66 | } 67 | construct_arg(dataQuery, "--query=", query, 68 | strlen(query) + strlen("--query=") + 1); 69 | args[3] = dataQuery; 70 | 71 | construct_arg(dataPath, "--path=", path, MAX_PATH_LENGTH); 72 | args[4] = dataPath; 73 | 74 | char *result = general_query(argc, args); 75 | free(dataQuery); 76 | return result; 77 | } 78 | -------------------------------------------------------------------------------- /lib/chdb_bun.h: -------------------------------------------------------------------------------- 1 | #pragma once 2 | 3 | char *Query(const char *query, const char *format); 4 | char *QuerySession(const char *query, const char *format, const char *path); 5 | -------------------------------------------------------------------------------- /lib/update_libchdb.sh: -------------------------------------------------------------------------------- 1 | 2 | #!/bin/bash 3 | 4 | # Get the newest release version 5 | #LATEST_RELEASE=$(curl --silent "https://api.github.com/repos/chdb-io/chdb/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/') 6 | LATEST_RELEASE=v2.1.1 7 | 8 | # Download the correct version based on the platform 9 | case "$(uname -s)" in 10 | Linux) 11 | if [[ $(uname -m) == "aarch64" ]]; then 12 | PLATFORM="linux-aarch64-libchdb.tar.gz" 13 | else 14 | PLATFORM="linux-x86_64-libchdb.tar.gz" 15 | fi 16 | ;; 17 | Darwin) 18 | if [[ $(uname -m) == "arm64" ]]; then 19 | PLATFORM="macos-arm64-libchdb.tar.gz" 20 | else 21 | PLATFORM="macos-x86_64-libchdb.tar.gz" 22 | fi 23 | ;; 24 | *) 25 | echo "Unsupported platform" 26 | exit 1 27 | ;; 28 | esac 29 | 30 | DOWNLOAD_URL="https://github.com/chdb-io/chdb/releases/download/$LATEST_RELEASE/$PLATFORM" 31 | 32 | echo "Downloading $PLATFORM from $DOWNLOAD_URL" 33 | 34 | # Download the file 35 | curl -L -o libchdb.tar.gz $DOWNLOAD_URL 36 | 37 | # Untar the file 38 | tar -xzf libchdb.tar.gz 39 | 40 | # Set execute permission for libchdb.so 41 | chmod +x libchdb.so 42 | 43 | # Clean up 44 | rm -f libchdb.tar.gz 45 | -------------------------------------------------------------------------------- /mod.ts: -------------------------------------------------------------------------------- 1 | const path = "chdb_bun.so"; 2 | 3 | const { symbols: chdb } = Deno.dlopen(path, { 4 | Query: { 5 | parameters: ["buffer", "buffer"], 6 | result: "buffer", 7 | }, 8 | QuerySession: { 9 | parameters: ["buffer", "buffer", "buffer"], 10 | result: "buffer", 11 | }, 12 | }); 13 | 14 | const enc = new TextEncoder(); 15 | // Standalone exported query function 16 | export function query(query: string, format: string = "CSV") { 17 | if (!query) { 18 | return ""; 19 | } 20 | const result = chdb.Query( 21 | enc.encode(query + "\0"), 22 | enc.encode(format + "\0"), 23 | ); 24 | if (result == null) { 25 | return ""; 26 | } 27 | return new Deno.UnsafePointerView(result).getCString(); 28 | } 29 | 30 | // Session class with path handling 31 | class Session { 32 | path: string; 33 | isTemp: boolean; 34 | 35 | query(query: string, format: string = "CSV") { 36 | if (!query) return ""; 37 | const result = chdb.QuerySession( 38 | enc.encode(query + "\0"), 39 | enc.encode(format + "\0"), 40 | enc.encode(this.path + "\0"), 41 | ); 42 | if (result == null) { 43 | return ""; 44 | } 45 | return new Deno.UnsafePointerView(result).getCString(); 46 | } 47 | 48 | constructor(path: string = "") { 49 | if (path === "") { 50 | // Create a temporary directory 51 | this.path = Deno.makeTempDirSync(); 52 | this.isTemp = true; 53 | } else { 54 | this.path = path; 55 | this.isTemp = false; 56 | } 57 | } 58 | 59 | // Cleanup method to delete the temporary directory 60 | cleanup() { 61 | Deno.removeSync(this.path, { recursive: true }); 62 | } 63 | } 64 | 65 | export { chdb, Session }; 66 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "chdb-bun", 3 | "version": "1.1.0", 4 | "author": "Farmer Sun ", 5 | "module": "lib/index.js", 6 | "devDependencies": { 7 | "bun-types": "^1.0.19", 8 | "typescript": "^5.3.3" 9 | }, 10 | "directories": { 11 | "lib": "lib" 12 | }, 13 | "files": [ 14 | "lib" 15 | ], 16 | "license": "Apache2.0", 17 | "maintainers": [ 18 | { 19 | "name": "Farmer Sun", 20 | "email": "podpodiumapp@gmail.com" 21 | }, 22 | { 23 | "name": "Auxten", 24 | "email": "auxtenwpc@gmail.com" 25 | }, 26 | { 27 | "name": "Lorenzo Mangani", 28 | "email": "lorenzo.mangani@gmail.com" 29 | } 30 | ], 31 | "scripts": { 32 | "build:lib": "cd lib && ./update_libchdb.sh && ./build.sh", 33 | "build:ts": "bun build index.ts --target=bun --outfile=lib/index.js --sourcemap=inline && tsc --declaration --emitDeclarationOnly --types bun-types --declarationDir lib index.ts", 34 | "build": "bun run build:ts && bun run build:lib" 35 | }, 36 | "type": "module", 37 | "types": "lib/index.d.ts", 38 | "dependencies": { 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /tsconfig.json: -------------------------------------------------------------------------------- 1 | { 2 | "compilerOptions": { 3 | "lib": ["ESNext"], 4 | "module": "esnext", 5 | "target": "esnext", 6 | "moduleResolution": "bundler", 7 | "strict": true, 8 | "downlevelIteration": true, 9 | "skipLibCheck": true, 10 | "allowSyntheticDefaultImports": true, 11 | "forceConsistentCasingInFileNames": true, 12 | "allowJs": false, 13 | "types": [ 14 | "bun-types" // add Bun global 15 | ] 16 | } 17 | } 18 | --------------------------------------------------------------------------------