order_query | Find next / previous Active Record in one query | Application Framework library
kandi X-RAY | order_query Summary
kandi X-RAY | order_query Summary
This gem finds the next or previous record(s) relative to the current one efficiently using keyset pagination, e.g. for navigation or infinite scroll.
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order_query Examples and Code Snippets
Community Discussions
Trending Discussions on order_query
QUESTION
I tried to get data from mysql db using vuejs and axios by {{orderdtls.id}}
in front-end but the data respnose is null
.
Also I've checked my php code but no problem was found and php code itself separately works fine.
PHP code :
...ANSWER
Answered 2021-Jan-12 at 18:56Edit: Chat discussion revealed that a 301 redirect was causing the payload not to arrive at the server route. Answer below is still valid.
The code needs to pass a uniqid
in the data object for the database call. Also, $_GET
will be empty since you are doing an axios post
rather than a get
.
Pass the uniqid
along with the other data:
QUESTION
class Order_ListAPIView(APIView):
def get(self,request,format=None):
totalData=[]
if request.method == 'GET':
cur,conn = connection()
order_query = ''' SELECT * FROM orders '''
order_detail_query = ''' SELECT * FROM order_details '''
user_query = ''' SELECT * FROM users '''
with conn.cursor(MySQLdb.cursors.DictCursor) as cursor:
cursor.execute(order_detail_query)
order_detail_result = cursor.fetchall()
order_detail_data = list(order_detail_result)
# print(order_detail_data)
cursor.execute(order_query)
order_result = cursor.fetchall()
order_data = list(order_result)
cursor.execute(user_query)
user_result = cursor.fetchall()
user_data = list(user_result)
dic = {}
def merge_order_data_and_detail(order_data, order_detail_data):
for d in order_detail_data:
if d['order_id'] not in dic:
dic[d['order_id']] = []
dic[d['order_id']].append(d)
for o in order_data:
if o['order_id'] in dic:
o['order_detail_data'] = dic[o['order_id']]
merge_order_data_and_detail(order_data, order_detail_data)
# totalData.append({"order_data":order_data, })
return Response({"order_data":order_data, "user_data":user_data},status=status.HTTP_200_OK)
else:
return Response(status=status.HTTP_400_BAD_REQUEST)
...ANSWER
Answered 2020-Mar-05 at 07:12You will need to change the sql query of: order_query = ''' SELECT * FROM orders '''
Your sql query will need a join
QUESTION
i am getting following error- "Python: TypeError:string indices must be integers" and I can not see what's wrong. Am I being stupid and overlooking an obvious mistake here?
...ANSWER
Answered 2020-Mar-02 at 17:10lass Order_ListAPIView(APIView):
def get(self,request,format=None):
totalData=[]
if request.method == 'GET':
cur,conn = connection()
order_query = ''' SELECT * FROM orders'''
order_detail_query = ''' SELECT * FROM order_details'''
with conn.cursor(MySQLdb.cursors.DictCursor) as cursor:
cursor.execute(order_detail_query)
order_detail_result = cursor.fetchall()
order_detail_data = list(order_detail_result)
# print(order_detail_data)
cursor.execute(order_query)
order_result = cursor.fetchall()
order_data = list(order_result)
dic = {}
for d in order_detail_data:
if d['order_id'] not in dic:
dic[d['order_id']] = []
dic[d['order_id']].append(d)
return order_data.append(dic)
totalData.append({"order_data":order_data, "order_detail_data":order_detail_data})
return Response({"totalData":totalData,},status=status.HTTP_200_OK)
else:
return Response(status=status.HTTP_400_BAD_REQUEST)
QUESTION
class Order_ListAPIView(APIView):
def get(self,request,format=None):
totalData=[]
if request.method == 'GET':
cur,conn = connection()
order_query = ''' SELECT * FROM orders'''
order_detail_query = ''' SELECT * FROM order_details'''
with conn.cursor(MySQLdb.cursors.DictCursor) as cursor:
cursor.execute(order_query)
order_result = cursor.fetchall()
order_data = list(order_result)
# print(order_data)
cursor.execute(order_detail_query)
order_detail_result = cursor.fetchall()
order_detail_data = list(order_detail_result)
# print(order_detail_data)
totalData.append({"order_data":order_data, "order_detail_data":order_detail_data})
return Response({"totalData":totalData,},status=status.HTTP_200_OK)
else:
return Response(status=status.HTTP_400_BAD_REQUEST)
...ANSWER
Answered 2020-Mar-02 at 12:06If you are using raw queries, then you just need to merge the data. Something like this should work,
QUESTION
class Order_ListAPIView(APIView):
def get(self,request,format=None):
totalData=[]
if request.method == 'GET':
cur,conn = connection()
order_query = ''' SELECT * FROM orders'''
order_detail_query = ''' SELECT * FROM order_details'''
with conn.cursor(MySQLdb.cursors.DictCursor) as cursor:
cursor.execute(order_query)
order_result = cursor.fetchall()
order_data = list(order_result)
print(request.order_data)
cursor.execute(order_detail_query)
order_detail_result = cursor.fetchall()
order_detail_data = list(order_detail_result)
print(request.order_detail_data)
return Response({"order_data":order_result, "order_detail_data":order_detail_result},status=status.HTTP_200_OK)
totalData.append({"order_data":order_data, "order_detail_data":order_detail_data})
return Response({"totalData":totalData,})
...ANSWER
Answered 2020-Feb-28 at 11:26Just add my comment as an answer.
you are fetching order_data from the database and accessed from the request object so, the error is coming. You can simply print
QUESTION
I am trying to produce a plain output of order data. First step is a WP_QUery (perhaps) so I write this code;
...ANSWER
Answered 2017-Feb-18 at 18:01Update 2
To get the order data for one order, you don't need WP_query
. You can use directly:
QUESTION
I'm running a large PHP script to get database info which is adapted for search queries and so on. The problem is that the loading time for the page is several seconds (locally) and up to a minute on remote databases.
I'm not the best one when it comes to optimizing, but I know but the asterisk in queries, but in this case I need it because I'm using all fields in the table.
Keep in mind that the table it gets data from has over 800k rows in total (no im not showing 800k rows, as seen in the code I'm showing it WHERE = something
)
ANSWER
Answered 2017-Nov-19 at 19:17This is your select query.
QUESTION
I have made a script to create order and create invoice. Here are two mysql tables tbl_order and tbl_invoice.
tbl_invoice:
...ANSWER
Answered 2017-Feb-21 at 19:54Cyclic relations here - invoice refers to order while order refers to invoice. That's a really bad anti-pattern in relational DB design. Moreover, only achievable (in case like yours) when you surrender the relation enforcement through foreign keys. Thus, you may end up having your data inconsistent. How good is that in the area related to customer's (and company's) money?
Did you ever ask yourself why you may ever need that kind of cyclic relation, after all?
I can guess that instant answer would be "I don't know", followed by "I actually don't need it!". :-)
So suggestion is - rebuild your DB, make the relation one-way
like, invoice is tied to order - that seems more logical, because there exist period of time when order is made but not yet invoiced, but basically that doesn't matter, as you have 1:1 here
then enforce it by making a foreign key out of order_id in the invoice table.
Or - again, as soon as you have 1:1 relation here - combine invoice and order in one table & create the record at once.
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