Data commit

Task/Parameterized-SQL-statement/Wren/parameterized-sql-statement.wren

@@ -0,0 +1,29 @@
+import "./sql" for Connection
+
+var db = Connection.open("rc.db")
+
+var createSql = [
+    "DROP TABLE IF EXISTS players",
+    "CREATE table players (name, score, active, jerseyNum)",
+    "INSERT INTO players VALUES ('Roethlisberger, Ben', 94.1, TRUE,   7)",
+    "INSERT INTO players VALUES ('Smith, Alex',         85.3, TRUE,  11)",
+    "INSERT INTO players VALUES ('Doe, John',             15, FALSE,  99)",
+    "INSERT INTO players VALUES ('Manning, Payton',     96.5, FALSE, 123)"
+]
+
+for (sql in createSql) db.exec(sql)
+
+var widths = [22, 7, 7, 9]
+System.print("Before update:\n")
+db.printTable("SELECT * FROM players", widths)
+
+var updateSql = "UPDATE players SET name = ?, score = ?, active = ? WHERE jerseyNum = 99"
+var ps = db.prepare(updateSql)
+ps.bindText(1, "Smith, Steve")
+ps.bindDouble(2, 42)
+ps.bindBool(3, true)
+ps.bindInt(4, 99)
+ps.step()
+
+System.print("\nAfter update:\n")
+db.printTable("SELECT * FROM players", widths)