From 9b85c705577557d8ad4b6f3aa6b7dcdc0ea897f9 Mon Sep 17 00:00:00 2001
From: Mahmoud Fansha <fanasheh@hotmail.com>
Date: Wed, 9 Sep 2020 23:43:20 -0700
Subject: [PATCH] elephant queries using python queries

---
 .DS_Store                                     | Bin 0 -> 6148 bytes
 Pipfile                                       |  13 ++++
 Pipfile.lock                                  |  67 ++++++++++++++++++
 module1-introduction-to-sql/.DS_Store         | Bin 0 -> 6148 bytes
 module1-introduction-to-sql/rgp_db.sqlite3    |   0
 module1-introduction-to-sql/rpg_db_example.py |  24 +++++++
 module1-introduction-to-sql/test_db.sqlite3   | Bin 0 -> 8192 bytes
 module2-sql-for-analysis/elephant_queries.py  |  31 ++++++++
 8 files changed, 135 insertions(+)
 create mode 100644 .DS_Store
 create mode 100644 Pipfile
 create mode 100644 Pipfile.lock
 create mode 100644 module1-introduction-to-sql/.DS_Store
 create mode 100644 module1-introduction-to-sql/rgp_db.sqlite3
 create mode 100644 module1-introduction-to-sql/rpg_db_example.py
 create mode 100644 module1-introduction-to-sql/test_db.sqlite3
 create mode 100644 module2-sql-for-analysis/elephant_queries.py

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..f1bf68c7e3d3ce019ebb64ec341deb597950b76b
GIT binary patch
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diff --git a/Pipfile b/Pipfile
new file mode 100644
index 00000000..53c32968
--- /dev/null
+++ b/Pipfile
@@ -0,0 +1,13 @@
+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+python-dotenv = "*"
+psycopg2-binary = "*"
+
+[requires]
+python_version = "3.8"
diff --git a/Pipfile.lock b/Pipfile.lock
new file mode 100644
index 00000000..e6c5fbb1
--- /dev/null
+++ b/Pipfile.lock
@@ -0,0 +1,67 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "d2f7f8cb967ddbd2921f1a455faef3341e4ca3985397f61c4320aa4cf8e395fe"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.8"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "psycopg2-binary": {
+            "hashes": [
+                "sha256:0deac2af1a587ae12836aa07970f5cb91964f05a7c6cdb69d8425ff4c15d4e2c",
+                "sha256:0e4dc3d5996760104746e6cfcdb519d9d2cd27c738296525d5867ea695774e67",
+                "sha256:11b9c0ebce097180129e422379b824ae21c8f2a6596b159c7659e2e5a00e1aa0",
+                "sha256:1fabed9ea2acc4efe4671b92c669a213db744d2af8a9fc5d69a8e9bc14b7a9db",
+                "sha256:2dac98e85565d5688e8ab7bdea5446674a83a3945a8f416ad0110018d1501b94",
+                "sha256:42ec1035841b389e8cc3692277a0bd81cdfe0b65d575a2c8862cec7a80e62e52",
+                "sha256:6a32f3a4cb2f6e1a0b15215f448e8ce2da192fd4ff35084d80d5e39da683e79b",
+                "sha256:7312e931b90fe14f925729cde58022f5d034241918a5c4f9797cac62f6b3a9dd",
+                "sha256:7d92a09b788cbb1aec325af5fcba9fed7203897bbd9269d5691bb1e3bce29550",
+                "sha256:833709a5c66ca52f1d21d41865a637223b368c0ee76ea54ca5bad6f2526c7679",
+                "sha256:8cd0fb36c7412996859cb4606a35969dd01f4ea34d9812a141cd920c3b18be77",
+                "sha256:950bc22bb56ee6ff142a2cb9ee980b571dd0912b0334aa3fe0fe3788d860bea2",
+                "sha256:a0c50db33c32594305b0ef9abc0cb7db13de7621d2cadf8392a1d9b3c437ef77",
+                "sha256:a0eb43a07386c3f1f1ebb4dc7aafb13f67188eab896e7397aa1ee95a9c884eb2",
+                "sha256:aaa4213c862f0ef00022751161df35804127b78adf4a2755b9f991a507e425fd",
+                "sha256:ac0c682111fbf404525dfc0f18a8b5f11be52657d4f96e9fcb75daf4f3984859",
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+                "sha256:ba28584e6bca48c59eecbf7efb1576ca214b47f05194646b081717fa628dfddf",
+                "sha256:ba381aec3a5dc29634f20692349d73f2d21f17653bda1decf0b52b11d694541f",
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+                "sha256:c2507d796fca339c8fb03216364cca68d87e037c1f774977c8fc377627d01c71",
+                "sha256:cec7e622ebc545dbb4564e483dd20e4e404da17ae07e06f3e780b2dacd5cee66",
+                "sha256:d14b140a4439d816e3b1229a4a525df917d6ea22a0771a2a78332273fd9528a4",
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+                "sha256:e1f57aa70d3f7cc6947fd88636a481638263ba04a742b4a37dd25c373e41491a",
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+                "sha256:ee69dad2c7155756ad114c02db06002f4cded41132cc51378e57aad79cc8e4f4",
+                "sha256:f5ab93a2cb2d8338b1674be43b442a7f544a0971da062a5da774ed40587f18f5"
+            ],
+            "index": "pypi",
+            "version": "==2.8.6"
+        },
+        "python-dotenv": {
+            "hashes": [
+                "sha256:8c10c99a1b25d9a68058a1ad6f90381a62ba68230ca93966882a4dbc3bc9c33d",
+                "sha256:c10863aee750ad720f4f43436565e4c1698798d763b63234fb5021b6c616e423"
+            ],
+            "index": "pypi",
+            "version": "==0.14.0"
+        }
+    },
+    "develop": {}
+}
diff --git a/module1-introduction-to-sql/.DS_Store b/module1-introduction-to-sql/.DS_Store
new file mode 100644
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GIT binary patch
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diff --git a/module1-introduction-to-sql/rgp_db.sqlite3 b/module1-introduction-to-sql/rgp_db.sqlite3
new file mode 100644
index 00000000..e69de29b
diff --git a/module1-introduction-to-sql/rpg_db_example.py b/module1-introduction-to-sql/rpg_db_example.py
new file mode 100644
index 00000000..ba3a333f
--- /dev/null
+++ b/module1-introduction-to-sql/rpg_db_example.py
@@ -0,0 +1,24 @@
+import sqlite3
+
+
+def connect_to_db(db_name='rpg_db.sqlite3'):
+    return sqlite3.connect(db_name)
+
+
+def execute_query(cursor, query):
+    cursor.execute(query)
+    return cursor.fetchall()
+
+
+GET_CHARACTERS = 'SELECT * FROM charactercreator_character;'
+
+
+if __name__ == '__main__':
+    conn = connect_to_db()
+    curs = conn.cursor()
+    results =  execute_query(curs, GET_CHARACTERS)
+    print(results) 
+
+
+
+
diff --git a/module1-introduction-to-sql/test_db.sqlite3 b/module1-introduction-to-sql/test_db.sqlite3
new file mode 100644
index 0000000000000000000000000000000000000000..638f53092343a5f31602c9185dcdf8b21bb9f76d
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/module2-sql-for-analysis/elephant_queries.py b/module2-sql-for-analysis/elephant_queries.py
new file mode 100644
index 00000000..79820166
--- /dev/null
+++ b/module2-sql-for-analysis/elephant_queries.py
@@ -0,0 +1,31 @@
+import psycopg2
+import os
+from dotenv import load_dotenv
+
+
+load_dotenv() #> LOADS CONTENTS OF THE .env FILE INTO THE SCRIPTS EVNIRMONT
+
+DB_NAME = os.getenv("DB_NAME")
+DB_USER = os.getenv("DB_USER")
+DB_PASSWORD = os.getenv("DB_PASSWORD")
+DB_HOST = os.getenv("DB_HOST")
+
+print(DB_NAME, DB_USER, DB_PASSWORD, DB_HOST)
+
+
+
+### Connect to ElephantSQL-hosted PostgreSQL
+connection = psycopg2.connect(dbname=DB_NAME, user=DB_USER, password=DB_PASSWORD, host=DB_HOST)
+print("CONNECTION", connection)
+
+### A "cursor", a structure to iterate over db records to perform queries
+cursor = connection.cursor()
+print("CURSOR", cursor)
+
+### An example query
+cursor.execute('SELECT * from test_table;')
+
+
+### Note - nothing happened yet! We need to actually *fetch* from the cursor
+result = cursor.fetchall()
+print(result)
\ No newline at end of file