install psycopg2 https://pypi.org/project/psycopg2/
Psycopg is the most popular PostgreSQL database adapter for the Python programming language.
(venv) PS C:\flaskmyproject> pip install psycopg2
CREATE TABLE employee (
id serial PRIMARY KEY,
name VARCHAR ( 100 ) NOT NULL,
position VARCHAR ( 100 ) NOT NULL,
office VARCHAR ( 100 ) NOT NULL,
age INT NOT NULL,
salary INT NOT NULL,
photo VARCHAR ( 150 ) NOT NULL,
);
INSERT INTO
employee(name, position, office, age, salary, photo)
VALUES
('Tiger Wood', 'Accountant', 'Tokyo', 36, 5689, '01.jpg'),
('Mark Oto Ednalan', 'Chief Executive Officer (CEO)', 'London', 56, 5648, '02.jpg'),
('Jacob thompson', 'Junior Technical Author', 'San Francisco', 23, 5689, '03.jpg'),
('cylde Ednalan', 'Software Engineer', 'Olongapo', 23, 54654, '04.jpg'),
('Rhona Davidson', 'Software Engineer', 'San Francisco', 26, 5465, '05.jpg'),
('Quinn Flynn', 'Integration Specialist', 'New York', 53, 56465, '06.jpg'),
('Tiger Nixon', 'Software Engineer', 'London', 45, 456, '07.jpg'),
('Airi Satou', 'Pre-Sales Support', 'New York', 25, 4568, '08.jpg'),
('Angelica Ramos', 'Sales Assistant', 'New York', 45, 456, '09.jpg'),
('Ashton updated', 'Senior Javascript Developer', 'Olongapo', 45, 54565, '01.jpg'),
('Bradley Greer', 'Regional Director', 'San Francisco', 27, 5485, '02.jpg'),
('Brenden Wagner', 'Javascript Developer', 'San Francisco', 38, 65468, '03.jpg'),
('Brielle Williamson', 'Personnel Lead', 'Olongapo', 56, 354685, '04.jpg'),
('Bruno Nash', 'Customer Support', 'New York', 36, 65465, '05.jpg'),
('cairocoders', 'Sales Assistant', 'Sydney', 45, 56465, '06.jpg'),
('Zorita Serrano', 'Support Engineer', 'San Francisco', 38, 6548, '07.jpg'),
('Zenaida Frank', 'Chief Operating Officer (COO)', 'San Francisco', 39, 545, '08.jpg'),
('Sakura Yamamoto', 'Support Engineer', 'Tokyo', 48, 5468, '05.jpg'),
('Serge Baldwin', 'Data Coordinator', 'Singapore', 85, 5646, '05.jpg'),
('Shad Decker', 'Regional Director', 'Tokyo', 45, 4545, '05.jpg');
#app.py
from flask import Flask, render_template, request, jsonify
import psycopg2 #pip install psycopg2
import psycopg2.extras
app = Flask(__name__)
app.secret_key = "caircocoders-ednalan"
DB_HOST = "localhost"
DB_NAME = "sampledb"
DB_USER = "postgres"
DB_PASS = "admin"
conn = psycopg2.connect(dbname=DB_NAME, user=DB_USER, password=DB_PASS, host=DB_HOST)
@app.route('/')
def index():
cur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
cur.execute("SELECT DISTINCT office FROM employee ORDER BY office ASC")
employee = cur.fetchall()
return render_template('index.html', employee = employee)
@app.route("/fetchrecords",methods=["POST","GET"])
def fetchrecords():
cur = conn.cursor(cursor_factory=psycopg2.extras.DictCursor)
if request.method == 'POST':
query = request.form['query']
#print(query)
if query == '':
cur.execute("SELECT * FROM employee ORDER BY id DESC")
employeelist = cur.fetchall()
print('all list')
else:
search_text = request.form['query']
print(search_text)
cur.execute("SELECT * FROM employee WHERE office IN (%s) ORDER BY id DESC", [search_text])
employeelist = cur.fetchall()
return jsonify({'htmlresponse': render_template('response.html', employeelist=employeelist)})
if __name__ == "__main__":
app.run(debug=True)
templates/index.html
//templates/index.html
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Live Data Search Select Dropdown using Python Flask Jquery Ajax PostgreSQL</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" />
</head>
<body>
<div class="container">
<br />
<h2 align="center">Live Data Search Select Dropdown using Python Flask Jquery Ajax PostgreSQL</h2><br />
<select name="search_filter" id="search_filter" class="form-control">
<option value="">Select Option</option>';
{% for row in employee %}
<option value="{{row.office}}">{{row.office}}</option>';
{% endfor %}
</select>
<input type="hidden" name="hidden_value" id="hidden_value" />
<div style="clear:both"></div>
<br />
<div class="table-responsive">
<table class="table table-striped table-bordered">
<thead>
<tr>
<th>Name</th>
<th>Position</th>
<th>Age</th>
<th>Salary</th>
<th>Office</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</div>
<br />
<br />
<br />
</div>
<script>
$(document).ready(function(){
load_data();
function load_data(query='')
{
$.ajax({
url:"/fetchrecords",
method:"POST",
data:{query:query},
success:function(data)
{
$('tbody').html(data);
$('tbody').append(data.htmlresponse);
}
})
}
$('#search_filter').change(function(){
$('#hidden_value').val($('#search_filter').val());
var query = $('#hidden_value').val();
load_data(query);
});
});
</script>
</body>
</html>
templates/response.html
//templates/response.html
{% for row in employeelist %}
<tr>
<td>{{row.name}}</td>
<td>{{row.position}}</td>
<td>{{row.age}}</td>
<td>{{ "$%.2f"|format(row.salary) }}</td>
<td>{{row.office}}</td>
</tr>
{% endfor %}
