From 950c29436fbea73fbdb49aec5dba338e9753a1db Mon Sep 17 00:00:00 2001
From: Corey Schafer <CoreyMSchafer@gmail.com>
Date: Mon, 17 Apr 2017 21:33:03 -0600
Subject: [PATCH] SQLite Tutorial

---
 .gitignore                   |   2 ++
 Python-SQLite/employee.db    | Bin 0 -> 8192 bytes
 Python-SQLite/employee.py    |  19 +++++++++++++
 Python-SQLite/snippets.txt   |  30 ++++++++++++++++++++
 Python-SQLite/sqlite_demo.py |  52 +++++++++++++++++++++++++++++++++++
 5 files changed, 103 insertions(+)
 create mode 100644 Python-SQLite/employee.db
 create mode 100644 Python-SQLite/employee.py
 create mode 100644 Python-SQLite/snippets.txt
 create mode 100644 Python-SQLite/sqlite_demo.py

diff --git a/.gitignore b/.gitignore
index f14c0de..e51980b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 .DS_Store
+__pycache__/
+*.pyc
 
 # Video Scripts
 s.txt
diff --git a/Python-SQLite/employee.db b/Python-SQLite/employee.db
new file mode 100644
index 0000000000000000000000000000000000000000..01f1b509be7819d6cd0ab7c6bd46a41d58d20c7c
GIT binary patch
literal 8192
zcmWFz^vNtqRY=P(%1ta$FlG>7U}R))P*7lCU|@n`1}I=;U|?W@vOyGx52Ep5CI;P~
z9lQ(-42=AR4E%-ol#a@chQMeDjE2By2#kinXb6mkz-S1JhQMeDjE2By2#kinFbaW2
z9!7R?d3nah^peD+oYd6Zf}H%y)YM`)gULC_)iK0XA;i(i$5jC?tf0ZAfCSPqi;7DW
zN>VFIbWp@|60r&wBvvY9=9Q$Trxu|o*M#)VUo-H(9!6n2>Xp$D7!85Z5Eu=C(GVC7
vfzc2c4S~@R7!85Z5Eu=C(GVE9At21iA}-DBoL`h$8JwJvn3h_^a5w+}@832`

literal 0
HcmV?d00001

diff --git a/Python-SQLite/employee.py b/Python-SQLite/employee.py
new file mode 100644
index 0000000..1697294
--- /dev/null
+++ b/Python-SQLite/employee.py
@@ -0,0 +1,19 @@
+
+class Employee:
+    """A sample Employee class"""
+
+    def __init__(self, first, last, pay):
+        self.first = first
+        self.last = last
+        self.pay = pay
+
+    @property
+    def email(self):
+        return '{}.{}@email.com'.format(self.first, self.last)
+
+    @property
+    def fullname(self):
+        return '{} {}'.format(self.first, self.last)
+
+    def __repr__(self):
+        return "Employee('{}', '{}', {})".format(self.first, self.last, self.pay)
diff --git a/Python-SQLite/snippets.txt b/Python-SQLite/snippets.txt
new file mode 100644
index 0000000..c2e8ec4
--- /dev/null
+++ b/Python-SQLite/snippets.txt
@@ -0,0 +1,30 @@
+
+def insert_emp(emp):
+    pass
+
+
+def get_emps_by_name(lastname):
+    pass
+
+
+def update_pay(emp, pay):
+    pass
+
+
+def remove_emp(emp):
+    pass
+
+
+
+
+def update_pay(emp, pay):
+    with conn:
+        c.execute("""UPDATE employees SET pay = :pay
+                    WHERE first = :first AND last = :last""",
+                  {'first': emp.first, 'last': emp.last, 'pay': pay})
+
+
+def remove_emp(emp):
+    with conn:
+        c.execute("DELETE from employees WHERE first = :first AND last = :last",
+                  {'first': emp.first, 'last': emp.last})
diff --git a/Python-SQLite/sqlite_demo.py b/Python-SQLite/sqlite_demo.py
new file mode 100644
index 0000000..b02bd48
--- /dev/null
+++ b/Python-SQLite/sqlite_demo.py
@@ -0,0 +1,52 @@
+import sqlite3
+from employee import Employee
+
+conn = sqlite3.connect(':memory:')
+
+c = conn.cursor()
+
+c.execute("""CREATE TABLE employees (
+            first text,
+            last text,
+            pay integer
+            )""")
+
+
+def insert_emp(emp):
+    with conn:
+        c.execute("INSERT INTO employees VALUES (:first, :last, :pay)", {'first': emp.first, 'last': emp.last, 'pay': emp.pay})
+
+
+def get_emps_by_name(lastname):
+    c.execute("SELECT * FROM employees WHERE last=:last", {'last': lastname})
+    return c.fetchall()
+
+
+def update_pay(emp, pay):
+    with conn:
+        c.execute("""UPDATE employees SET pay = :pay
+                    WHERE first = :first AND last = :last""",
+                  {'first': emp.first, 'last': emp.last, 'pay': pay})
+
+
+def remove_emp(emp):
+    with conn:
+        c.execute("DELETE from employees WHERE first = :first AND last = :last",
+                  {'first': emp.first, 'last': emp.last})
+
+emp_1 = Employee('John', 'Doe', 80000)
+emp_2 = Employee('Jane', 'Doe', 90000)
+
+insert_emp(emp_1)
+insert_emp(emp_2)
+
+emps = get_emps_by_name('Doe')
+print(emps)
+
+update_pay(emp_2, 95000)
+remove_emp(emp_1)
+
+emps = get_emps_by_name('Doe')
+print(emps)
+
+conn.close()