POSTGRES

Author: BuildTools

.idea/.gitignore

@@ -0,0 +1,5 @@
+module DATABASE_TESTING
+
+go 1.22
+
+require github.com/lib/pq v1.10.9 // indirect

.idea/DATABASE TESTING.iml

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+github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
+github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=

.idea/modules.xml

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+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+
+	_ "github.com/lib/pq"
+)
+
+type Product struct {
+	Name      string
+	Price     float64
+	Available bool
+}
+
+func main() {
+	connStr := "YOUR CONNECTION STRING HERE"
+
+	db, err := sql.Open("postgres", connStr)
+
+	defer db.Close()
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if err := db.Ping(); err != nil {
+		log.Fatal(err)
+	}
+
+	createProductTable(db)
+
+	product := Product{"Go", 5.55, true}
+	pk := insertProduct(db, product)
+
+	fmt.Printf("ID = %d\n", pk)
+}
+
+func createProductTable(db *sql.DB) {
+	/* PRODUCT TABLE
+	- ID
+	- NAME
+	- PRICE
+	- AVAILABLE
+	- DATE CREATED
+	*/
+
+	query := `CREATE TABLE IF NOT EXISTS product (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(100) NOT NULL,
+    price NUMERIC(6,2) NOT NULL,
+    available BOOLEAN,
+    created timestamp DEFAULT NOW()
+)`
+
+	_, err := db.Exec(query)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func insertProduct(db *sql.DB, product Product) int {
+	query := `INSERT INTO product (name, price, available)
+VALUES ($1,$2,$3 ) RETURNING id`
+
+	var pk int
+	err := db.QueryRow(query, product.Name, product.Price, product.Available).Scan(&pk)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return pk
+}