Sample Bookstore App: DB setup for Book Review Comments (knative#5896)

* first commit, made table and wrote docs * removed book id * reduced amt of sample data * Update code-samples/eventing/bookstore-sample-app/db/sample.sql Co-authored-by: Calum Murray <[email protected]> * Update code-samples/eventing/bookstore-sample-app/db/sample.sql Co-authored-by: Calum Murray <[email protected]> * Update code-samples/eventing/bookstore-sample-app/db/sample.sql Co-authored-by: Calum Murray <[email protected]> * Update code-samples/eventing/bookstore-sample-app/db/sample.sql Co-authored-by: Calum Murray <[email protected]> --------- Co-authored-by: Calum Murray <[email protected]>
prushh · Apr 30, 2024 · d2547d2 · d2547d2
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diff --git a/code-samples/eventing/bookstore-sample-app/db/README.md b/code-samples/eventing/bookstore-sample-app/db/README.md
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+# Bookstore Database
+
+1. Database Schema
+2. Sample Data
+
+## 1. Database Schema
+
+### BookReviews Table
+The BookReviews table contains all reviews made on the bookstore website. 
+
+See the columns of the BookReviews table below:
+* ID (serial) - Primary Key
+* post_time (datetime) - Posting time of the comment
+* content (text) - The contents of the comment
+* sentiment (text) - The sentiment results (currently, the values it could take on are 'positive' or 'neutral' or 'negative')
+
+## 2. Sample Data
+
+### BookReviews Table
+The sample rows inserted for the BookReviews table are shown below:
+| id | post_time           | content                      | sentiment |
+|----|---------------------|------------------------------|-----------|
+| 1  | 2020-01-01 00:00:00 | This book is great!          | positive  |
+| 2  | 2020-01-02 00:02:00 | This book is terrible!       | negative  |
+| 3  | 2020-01-03 00:01:30 | This book is okay.           | neutral   |
+| 4  | 2020-01-04 00:00:00 | Meh                          | neutral   |
diff --git a/code-samples/eventing/bookstore-sample-app/db/sample.sql b/code-samples/eventing/bookstore-sample-app/db/sample.sql
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+CREATE TABLE IF NOT EXISTS book_reviews(
+  id SERIAL PRIMARY KEY,
+  post_time timestamp NOT NULL,
+  content TEXT NOT NULL,
+  sentiment TEXT,
+  CONSTRAINT sentiment_check CHECK (sentiment IN ('positive', 'negative', 'neutral')),
+);
+
+INSERT INTO book_reviews (post_time, content, sentiment) VALUES 
+    ('2020-01-01 00:00:00', 'This book is great!', 'positive'),
+    ('2020-01-02 00:02:00', 'This book is terrible!', 'negative'),
+    ('2020-01-03 00:01:30', 'This book is okay.', 'neutral'),
+    ('2020-01-04 00:00:00', 'Meh', 'neutral');