Assignment done; test cases passed 20/20

.github/workflows/classroom.yml

@@ -1,19 +1,220 @@
-name: GitHub Classroom Workflow
-
-on:
-  - push
-  - workflow_dispatch
-
+name: Autograding Tests
+'on':
+- push
+- workflow_dispatch
+- repository_dispatch
 permissions:
   checks: write
   actions: read
   contents: read
-
 jobs:
-  build:
-    name: Autograding
+  run-autograding-tests:
     runs-on: ubuntu-latest
     if: github.actor != 'github-classroom[bot]'
     steps:
-      - uses: actions/checkout@v4
-      - uses: education/autograding@v1
+    - name: Checkout code
+      uses: actions/checkout@v4
+    - name: Step-1 Test
+      id: step-1-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-1 Test
+        setup-command: npm install
+        command: npm run test:1
+        timeout: 10
+        max-score: 10
+    - name: Step-2 Test
+      id: step-2-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-2 Test
+        setup-command: npm install
+        command: npm run test:2
+        timeout: 10
+        max-score: 10
+    - name: Step-3 Test
+      id: step-3-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-3 Test
+        setup-command: npm install
+        command: npm run test:3
+        timeout: 10
+        max-score: 10
+    - name: Step-4 Test
+      id: step-4-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-4 Test
+        setup-command: npm install
+        command: npm run test:4
+        timeout: 10
+    - name: Step-5 Test
+      id: step-5-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-5 Test
+        setup-command: npm install
+        command: npm run test:5
+        timeout: 10
+        max-score: 10
+    - name: Step-6 Test
+      id: step-6-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-6 Test
+        setup-command: npm install
+        command: npm run test:6
+        timeout: 10
+        max-score: 10
+    - name: Step-7 Test
+      id: step-7-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-7 Test
+        setup-command: npm install
+        command: npm run test:7
+        timeout: 10
+        max-score: 10
+    - name: Step-8 Test
+      id: step-8-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-8 Test
+        setup-command: npm install
+        command: npm run test:8
+        timeout: 10
+        max-score: 10
+    - name: Step-9 Test
+      id: step-9-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-9 Test
+        setup-command: npm install
+        command: npm run test:9
+        timeout: 10
+        max-score: 10
+    - name: Step-10 Test
+      id: step-10-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-10 Test
+        setup-command: npm install
+        command: npm run test:10
+        timeout: 10
+        max-score: 10
+    - name: Step-11 Test
+      id: step-11-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-11 Test
+        setup-command: npm install
+        command: npm run test:11
+        timeout: 10
+        max-score: 10
+    - name: Step-12 Test
+      id: step-12-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-12 Test
+        setup-command: npm install
+        command: npm run test:12
+        timeout: 10
+        max-score: 10
+    - name: Step-13 Test
+      id: step-13-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-13 Test
+        setup-command: npm install
+        command: npm run test:13
+        timeout: 10
+        max-score: 10
+    - name: Step-14 Test
+      id: step-14-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-14 Test
+        setup-command: npm install
+        command: npm run test:14
+        timeout: 10
+        max-score: 10
+    - name: Step-15 Test
+      id: step-15-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-15 Test
+        setup-command: npm install
+        command: npm run test:15
+        timeout: 10
+        max-score: 10
+    - name: Step-16 Test
+      id: step-16-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-16 Test
+        setup-command: npm install
+        command: npm run test:16
+        timeout: 10
+        max-score: 10
+    - name: Step-17 Test
+      id: step-17-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-17 Test
+        setup-command: npm install
+        command: npm run test:17
+        timeout: 10
+        max-score: 10
+    - name: Step-18 Test
+      id: step-18-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-18 Test
+        setup-command: npm install
+        command: npm run test:18
+        timeout: 10
+        max-score: 10
+    - name: Step-19 Test
+      id: step-19-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-19 Test
+        setup-command: npm install
+        command: npm run test:19
+        timeout: 10
+        max-score: 10
+    - name: Step-20 Test
+      id: step-20-test
+      uses: classroom-resources/autograding-command-grader@v1
+      with:
+        test-name: Step-20 Test
+        setup-command: npm install
+        command: npm run test:20
+        timeout: 10
+        max-score: 10
+    - name: Autograding Reporter
+      uses: classroom-resources/autograding-grading-reporter@v1
+      env:
+        STEP-1-TEST_RESULTS: "${{steps.step-1-test.outputs.result}}"
+        STEP-2-TEST_RESULTS: "${{steps.step-2-test.outputs.result}}"
+        STEP-3-TEST_RESULTS: "${{steps.step-3-test.outputs.result}}"
+        STEP-4-TEST_RESULTS: "${{steps.step-4-test.outputs.result}}"
+        STEP-5-TEST_RESULTS: "${{steps.step-5-test.outputs.result}}"
+        STEP-6-TEST_RESULTS: "${{steps.step-6-test.outputs.result}}"
+        STEP-7-TEST_RESULTS: "${{steps.step-7-test.outputs.result}}"
+        STEP-8-TEST_RESULTS: "${{steps.step-8-test.outputs.result}}"
+        STEP-9-TEST_RESULTS: "${{steps.step-9-test.outputs.result}}"
+        STEP-10-TEST_RESULTS: "${{steps.step-10-test.outputs.result}}"
+        STEP-11-TEST_RESULTS: "${{steps.step-11-test.outputs.result}}"
+        STEP-12-TEST_RESULTS: "${{steps.step-12-test.outputs.result}}"
+        STEP-13-TEST_RESULTS: "${{steps.step-13-test.outputs.result}}"
+        STEP-14-TEST_RESULTS: "${{steps.step-14-test.outputs.result}}"
+        STEP-15-TEST_RESULTS: "${{steps.step-15-test.outputs.result}}"
+        STEP-16-TEST_RESULTS: "${{steps.step-16-test.outputs.result}}"
+        STEP-17-TEST_RESULTS: "${{steps.step-17-test.outputs.result}}"
+        STEP-18-TEST_RESULTS: "${{steps.step-18-test.outputs.result}}"
+        STEP-19-TEST_RESULTS: "${{steps.step-19-test.outputs.result}}"
+        STEP-20-TEST_RESULTS: "${{steps.step-20-test.outputs.result}}"
+      with:
+        runners: step-1-test,step-2-test,step-3-test,step-4-test,step-5-test,step-6-test,step-7-test,step-8-test,step-9-test,step-10-test,step-11-test,step-12-test,step-13-test,step-14-test,step-15-test,step-16-test,step-17-test,step-18-test,step-19-test,step-20-test

README.md

@@ -1,3 +1,4 @@
+[![Open in Visual Studio Code](https://classroom.github.com/assets/open-in-vscode-718a45dd9cf7e7f842a935f5ebbe5719a5e09af4491e668f4dbf3b35d5cca122.svg)](https://classroom.github.com/online_ide?assignment_repo_id=14966543&assignment_repo_type=AssignmentRepo)
 <h1 align="center">StylusDB SQL</h1>
 <p align="center">
 A SQL database engine written in JavaScript

enrollment.csv

@@ -0,0 +1,6 @@
+student_id,course
+1,Mathematics
+1,Physics
+2,Chemistry
+3,Mathematics
+5,Biology

sample.csv

@@ -0,0 +1,4 @@
+id,name,age
+1,John,30
+2,Jane,25
+3,Bob,22

src/JoinMethods/performInnerJoin.js

@@ -0,0 +1,29 @@
+function performInnerJoin(
+  data,
+  joinData,
+  joinCondition,
+  fields,
+  leftTableName
+) {
+  // Logic for INNER JOIN
+  return data.flatMap((leftTableRow) => {
+    return joinData
+      .filter((rightTableRow) => {
+        const leftValue = leftTableRow[joinCondition.left.split(".")[1]];
+        const rightValue = rightTableRow[joinCondition.right.split(".")[1]];
+        return leftValue === rightValue;
+      })
+      .map((rightTableRow) => {
+        return fields.reduce((acc, field) => {
+          const [tableName, fieldName] = field.split(".");
+          acc[field] =
+            tableName === leftTableName
+              ? leftTableRow[fieldName]
+              : rightTableRow[fieldName];
+          return acc;
+        }, {});
+      });
+  });
+}
+
+module.exports = performInnerJoin;

src/JoinMethods/performLeftJoin.js

@@ -0,0 +1,36 @@
+function performLeftJoin(data, joinData, joinCondition, fields, leftTableName) {
+  // Logic for LEFT JOIN
+
+  return data.flatMap((leftTableRow) => {
+    const filteredData = joinData.filter((rightTableRow) => {
+      const leftValue = leftTableRow[joinCondition.left.split(".")[1]];
+      const rightValue = rightTableRow[joinCondition.right.split(".")[1]];
+      return leftValue === rightValue;
+    });
+
+    if (filteredData.length == 0) {
+      return fields.reduce((acc, field) => {
+        const [tableName, fieldName] = field.split(".");
+        acc[field] =
+          tableName === leftTableName ? leftTableRow[fieldName] : null;
+
+        return acc;
+      }, {});
+    }
+
+    return filteredData.map((rightTableRow) => {
+      return fields.reduce((acc, field) => {
+        const [tableName, fieldName] = field.split(".");
+
+        acc[field] =
+          tableName === leftTableName
+            ? leftTableRow[fieldName]
+            : rightTableRow[fieldName];
+
+        return acc;
+      }, {});
+    });
+  });
+}
+
+module.exports = performLeftJoin;

src/JoinMethods/performRightJoin.js

@@ -0,0 +1,42 @@
+const performLeftJoin = require("./performLeftJoin");
+
+function performRightJoin(
+  data,
+  joinData,
+  joinCondition,
+  fields,
+  rightTableName
+) {
+  return joinData.flatMap((rightTableRow) => {
+    const filteredData = data.filter((leftTableRow) => {
+      const leftValue = leftTableRow[joinCondition.left.split(".")[1]];
+      const rightValue = rightTableRow[joinCondition.right.split(".")[1]];
+      return leftValue === rightValue;
+    });
+
+    if (filteredData.length == 0) {
+      return fields.reduce((acc, field) => {
+        const [tableName, fieldName] = field.split(".");
+        acc[field] =
+          tableName === rightTableName ? rightTableRow[fieldName] : null;
+
+        return acc;
+      }, {});
+    }
+
+    return filteredData.map((leftTableRow) => {
+      return fields.reduce((acc, field) => {
+        const [tableName, fieldName] = field.split(".");
+
+        acc[field] =
+          tableName === rightTableName
+            ? rightTableRow[fieldName]
+            : leftTableRow[fieldName];
+
+        return acc;
+      }, {});
+    });
+  });
+}
+
+module.exports = performRightJoin;

src/aggregateMethods.js

@@ -0,0 +1,20 @@
+aggregateMethods = {
+  count: function (data) {
+    return data.length;
+  },
+  sum: function (data, column) {
+    return data.reduce((acc, item) => acc + Number(item[column]), 0);
+  },
+  avg: function (data, column) {
+    const add = this.sum(data, column);
+    return add / data.length;
+  },
+  min: function (data, column) {
+    return Math.min(...data.map((item) => item[column]));
+  },
+  max: function (data, column) {
+    return Math.max(...data.map((item) => item[column]));
+  },
+};
+
+module.exports = aggregateMethods;