redis works in select for python

czhou578 · Jul 23, 2024 · fd40d8d · fd40d8d
1 parent 7755884
commit fd40d8d
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Showing 6 changed files with 28 additions and 1 deletion.
diff --git a/app/routes/routes.js b/app/routes/routes.js
@@ -75,7 +75,6 @@ router.get("/javascript/all-shippers", (req, res) => {
           return res.status(500).send("Error querying database");
         }
 
-
         if (isRedisConnected) {
           redisClient.setEx("shippers", DEFAULT_EXPIRATION, JSON.stringify(result), (setError) => {
             if (setError) {

diff --git a/backend_script.sh b/backend_script.sh
@@ -1,5 +1,6 @@
 #!/bin/bash
 
+
 # Array to hold the process IDs of the server instances
 pids=()
 
@@ -14,6 +15,11 @@ stop_servers() {
 # Trap SIGINT (Ctrl+C) and SIGTERM signals to stop servers before exiting
 trap stop_servers SIGINT SIGTERM
 
+#start redis server
+redis-server &
+pids+=($!)
+echo "Running Redis server"
+
 # Start the Node.js server
 npm --prefix ./app run server &
 pids+=($!)

diff --git a/dump.rdb b/dump.rdb
diff --git a/go-backend/api/go.mod b/go-backend/api/go.mod
@@ -10,8 +10,10 @@ require (
 
 require (
 	github.com/bytedance/sonic v1.11.2 // indirect
+	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
 	github.com/chenzhuoyu/iasm v0.9.1 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
@@ -26,6 +28,7 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.1.1 // indirect
+	github.com/redis/go-redis/v9 v9.6.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.12 // indirect
 	golang.org/x/arch v0.7.0 // indirect

diff --git a/go-backend/api/go.sum b/go-backend/api/go.sum
@@ -2,6 +2,8 @@ github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1
 github.com/bytedance/sonic v1.10.0-rc/go.mod h1:ElCzW+ufi8qKqNW0FY314xriJhyJhuoJ3gFZdAHF7NM=
 github.com/bytedance/sonic v1.11.2 h1:ywfwo0a/3j9HR8wsYGWsIWl2mvRsI950HyoxiBERw5A=
 github.com/bytedance/sonic v1.11.2/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
 github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
 github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d h1:77cEq6EriyTZ0g/qfRdp61a3Uu/AWrgIq2s0ClJV1g0=
@@ -13,6 +15,8 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
 github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
 github.com/gin-contrib/cors v1.6.0 h1:0Z7D/bVhE6ja07lI8CTjTonp6SB07o8bNuFyRbsBUQg=
@@ -56,6 +60,8 @@ github.com/pelletier/go-toml/v2 v2.1.1 h1:LWAJwfNvjQZCFIDKWYQaM62NcYeYViCmWIwmOS
 github.com/pelletier/go-toml/v2 v2.1.1/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/redis/go-redis/v9 v9.6.0 h1:NLck+Rab3AOTHw21CGRpvQpgTrAU4sgdCswqGtlhGRA=
+github.com/redis/go-redis/v9 v9.6.0/go.mod h1:hdY0cQFCN4fnSYT6TkisLufl/4W5UIXyv0b/CLO2V2M=
 github.com/rogpeppe/go-internal v1.8.0 h1:FCbCCtXNOY3UtUuHUYaghJg4y7Fd14rXifAYUAtL9R8=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=

diff --git a/python-backend/main.py b/python-backend/main.py
@@ -3,10 +3,14 @@
 from flask_cors import CORS, cross_origin
 from fetch import getData
 import time
+import redis
+import json
 
 import requests
 
 app = Flask(__name__)
+redis_client = redis.Redis(host='localhost', port=6379, db=0)
+
 CORS(app)
 
 mydb = mysql.connector.connect(
@@ -51,7 +55,14 @@ def executeDelete(cursor=mydbcursor):
 
 @app.route('/python/all-shippers', methods=['GET'])
 def requesting():
+
+
     start_time = time.perf_counter()
+
+    value = redis_client.get('shippers')
+    if value:
+        return jsonify(value.decode('utf-8'))
+
     iterations = request.args.get('iteration')
     print(iterations)
     returnData = []
@@ -60,6 +71,8 @@ def requesting():
     for x in range(int(iterations)):
         mydbcursor = executeSelect()
         returnData.append(mydbcursor)
+
+    redis_client.set('shippers', json.dumps(returnData))
 
     end_time = time.perf_counter()
     elapsed_time = end_time - start_time