Data commit

Task/Table-creation-Postal-addresses/Go/table-creation-postal-addresses.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+    "database/sql"
+    "fmt"
+    "log"
+
+    _ "github.com/mattn/go-sqlite3"
+)
+
+func main() {
+    // task req: show database connection
+    db, err := sql.Open("sqlite3", "rc.db")
+    if err != nil {
+        log.Print(err)
+        return
+    }
+    defer db.Close()
+    // task req: create table with typed fields, including a unique id
+    _, err = db.Exec(`create table addr (
+        id     int unique,
+        street text,
+        city   text,
+        state  text,
+        zip    text
+    )`)
+    if err != nil {
+        log.Print(err)
+        return
+    }
+    // show output:  query the created field names and types
+    rows, err := db.Query(`pragma table_info(addr)`)
+    if err != nil {
+        log.Print(err)
+        return
+    }
+    var field, storage string
+    var ignore sql.RawBytes
+    for rows.Next() {
+        err = rows.Scan(&ignore, &field, &storage, &ignore, &ignore, &ignore)
+        if err != nil {
+            log.Print(err)
+            return
+        }
+        fmt.Println(field, storage)
+    }
+}