CMakeLists.txt

@@ -1,7 +1,7 @@
 include_directories(./src)
 
 project (invodb)
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.15)
 
 set(CMAKE_CXX_STANDARD 17)
 

benchmark/invodb.js

@@ -3,6 +3,7 @@ const { execSync } = require("child_process")
 
 execSync("rm -rf benchmark.invodb")
 
+
 let time = 0
 function clock() {
     let last = time

docs/test.js

@@ -1,27 +0,0 @@
-const invodb = require('..')
-
-invodb.database('test.invodb')
-
-let col = invodb.collection('blog')
-if(!col.exist()) col.create();
-
-col.insert({
-    "id": 7,
-    "title": "这是一篇文章",
-    "content": "这是文章内容",
-    "author": "YuhangQ",
-    "category": "数据库",
-    "original-url": null,
-    "tags": ["数据库", "C++", "数据结构"],
-    "parameters": {
-      "hidden": true,
-      "like": 25565,
-    },
-    "comment": [
-      {"username": "YuhangQ", "content": "文章写的真不错！"},
-      {"username": "TechCiel", "content": "能提供下打赏渠道吗？"},
-    ]
-})
-
-let result = col.query({})
-console.log(result)

index.js

@@ -17,7 +17,7 @@ function collection(collectionName) {
         let json = JSON.stringify(object);
         core.remove(collectionName, json);
     }
-    function find(object) {
+    function query(object) {
         if(!core.exists(collectionName)) throw `Collection ${collectionName} doesn't exists!`;
         let json = JSON.stringify(object);
         let res = [];
@@ -26,18 +26,12 @@ function collection(collectionName) {
         }
         return res;
     }
-    function findOne(object) {
-        let res = find(object);
-        if(res.length >= 1) return res[0];
-        return undefined;
-    }
     return {
         exist: exist,
         create: create,
         insert: insert,
         remove: remove,
-        find: find,
+        query: query,
-        findOne: findOne,
         update: insert
     }
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "invodb",
-  "version": "1.1.1",
+  "version": "1.0.23",
   "description": "a nosql json document database",
   "main": "index.js",
   "scripts": {

src/file/page_manager.cpp

@@ -10,7 +10,6 @@ std::fstream PageManager::stream;
 int PageManager::loadDatabase(const char *filename) { 
     Instance().stream.open(filename);
     Instance().stream.seekp(0, std::ios::end);
-
     if(!Instance().stream.is_open()) {
         std::ofstream file(filename, std::fstream::out);
         file.close();
@@ -69,13 +68,12 @@ int PageManager::allocate() {
     }
 
     index = page.getIntStartFrom(4);
-
     //printf("2allocate: %d\n", index);
 
     page.setIntStartFrom(4, index + 1);
     page.save();
     //      allocate block at the end
- //   stream.seekp(0, std::ios::end);
+//    stream.seekp(0, std::ios::end);
 //    index = stream.tellp() / 1024;
     setPage(index, StoragePage(index));
     return index;