mycursor.executemany UPDATE not working as expected












5















Question:



I have a python script to scrape and website it gets 2 variables and stores them in 2 lists. I then use executemany to update MySQL database using one variable to match a pre-existing row to insert the other variable into.



Code:



Python Script



import mysql.connector
from bs4 import BeautifulSoup as soup
from selenium import webdriver
import time, re

mydb = mysql.connector.connect(
host="host",
user="user",
passwd="passwd",
database="database"
)

mycursor = mydb.cursor()

d = webdriver.Chrome('D:/Uskompuf/Downloads/chromedriver')
d.get('https://au.pcpartpicker.com/products/cpu/overall-list/#page=1')
def cpus(_source):
result = soup(_source, 'html.parser').find('ul', {'id':'category_content'}).find_all('li')
_titles = list(filter(None, [(lambda x:'' if x is None else x.text)(i.find('div', {'class':'title'})) for i in result]))
data = [list(filter(None, [re.findall('(?<=().*?(?=))', c.text) for c in i.find_all('div')])) for i in result]
return _titles, [a for *_, [a] in filter(None, data)]


_titles, _cpus = cpus(d.page_source)
sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))
print(sql, list(zip(_titles, _cpus)))
_last_page = soup(d.page_source, 'html.parser').find_all('a', {'href':re.compile('#page=d+')})[-1].text
for i in range(2, int(_last_page)+1):
d.get(f'https://au.pcpartpicker.com/products/cpu/overall-list/#page={i}')
time.sleep(3)
_titles, _cpus = cpus(d.page_source)
sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))

mydb.commit()


MySQL UPDATE code



sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))


MySQL UPDATE code print



print(sql, list(zip(_cpus, _titles)))


MySQL UPDATE code print output



UPDATE cpu set family = %s where name = %s [('Pinnacle Ridge', 'AMD Ryzen 5 2600'), ('Coffee Lake-S', 'Intel Core i7-8700K'),...


First 2 rows of table



Image



Expected result



The first variable is the name and that is the variable that needs to be matched the second variable is the family to be updated to row. The name matches perfectly and there are no errors when running the program however all family values are null.



Not sure what the best way to go solving this, I though i could make a fiddle but not sure about the list in executemany?



Other



If you need any more information please let me know.



Thanks










share|improve this question

























  • Can i ask a question? There are any name's value is Pinnacle Ridge. Because i ran a small example like cur.executemany("UPDATE test SET col = %s WHERE col = %s", [("a","1"),("b","2")]), it works well.

    – kcorlidy
    Jan 1 at 5:07













  • Sorry I'm not sure i completely understand the name values are AMD Ryzen 5 2600, Intel Core i7-8700k etc the family are Pinnacle Ridge, Coffe-Lake-S. Im not sure if the order is incorrect if so how can i rearrange it?

    – Uskompuf
    Jan 1 at 5:16











  • I think you should fix your question, what you printed and what you used in executemany are different.

    – kcorlidy
    Jan 1 at 5:34











  • Actually, your situation confused me. I created a similar table and insert all value in _titles first. Then use part of your code(before for-loop), i got what you desire | AMD Ryzen 5 2600 | Pinnacle Ridge | | Intel Core i7-8700K | Coffee Lake-S | | AMD Ryzen 7 2700X | Pinnacle Ridge | | AMD Ryzen 3 2200G | Raven Ridge |

    – kcorlidy
    Jan 1 at 5:57











  • sorry im not sure what you mean i am trying the achieve the families being matched to the rows by the names? Do you know what i need to change in my code to achieve this?

    – Uskompuf
    Jan 1 at 6:16
















5















Question:



I have a python script to scrape and website it gets 2 variables and stores them in 2 lists. I then use executemany to update MySQL database using one variable to match a pre-existing row to insert the other variable into.



Code:



Python Script



import mysql.connector
from bs4 import BeautifulSoup as soup
from selenium import webdriver
import time, re

mydb = mysql.connector.connect(
host="host",
user="user",
passwd="passwd",
database="database"
)

mycursor = mydb.cursor()

d = webdriver.Chrome('D:/Uskompuf/Downloads/chromedriver')
d.get('https://au.pcpartpicker.com/products/cpu/overall-list/#page=1')
def cpus(_source):
result = soup(_source, 'html.parser').find('ul', {'id':'category_content'}).find_all('li')
_titles = list(filter(None, [(lambda x:'' if x is None else x.text)(i.find('div', {'class':'title'})) for i in result]))
data = [list(filter(None, [re.findall('(?<=().*?(?=))', c.text) for c in i.find_all('div')])) for i in result]
return _titles, [a for *_, [a] in filter(None, data)]


_titles, _cpus = cpus(d.page_source)
sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))
print(sql, list(zip(_titles, _cpus)))
_last_page = soup(d.page_source, 'html.parser').find_all('a', {'href':re.compile('#page=d+')})[-1].text
for i in range(2, int(_last_page)+1):
d.get(f'https://au.pcpartpicker.com/products/cpu/overall-list/#page={i}')
time.sleep(3)
_titles, _cpus = cpus(d.page_source)
sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))

mydb.commit()


MySQL UPDATE code



sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))


MySQL UPDATE code print



print(sql, list(zip(_cpus, _titles)))


MySQL UPDATE code print output



UPDATE cpu set family = %s where name = %s [('Pinnacle Ridge', 'AMD Ryzen 5 2600'), ('Coffee Lake-S', 'Intel Core i7-8700K'),...


First 2 rows of table



Image



Expected result



The first variable is the name and that is the variable that needs to be matched the second variable is the family to be updated to row. The name matches perfectly and there are no errors when running the program however all family values are null.



Not sure what the best way to go solving this, I though i could make a fiddle but not sure about the list in executemany?



Other



If you need any more information please let me know.



Thanks










share|improve this question

























  • Can i ask a question? There are any name's value is Pinnacle Ridge. Because i ran a small example like cur.executemany("UPDATE test SET col = %s WHERE col = %s", [("a","1"),("b","2")]), it works well.

    – kcorlidy
    Jan 1 at 5:07













  • Sorry I'm not sure i completely understand the name values are AMD Ryzen 5 2600, Intel Core i7-8700k etc the family are Pinnacle Ridge, Coffe-Lake-S. Im not sure if the order is incorrect if so how can i rearrange it?

    – Uskompuf
    Jan 1 at 5:16











  • I think you should fix your question, what you printed and what you used in executemany are different.

    – kcorlidy
    Jan 1 at 5:34











  • Actually, your situation confused me. I created a similar table and insert all value in _titles first. Then use part of your code(before for-loop), i got what you desire | AMD Ryzen 5 2600 | Pinnacle Ridge | | Intel Core i7-8700K | Coffee Lake-S | | AMD Ryzen 7 2700X | Pinnacle Ridge | | AMD Ryzen 3 2200G | Raven Ridge |

    – kcorlidy
    Jan 1 at 5:57











  • sorry im not sure what you mean i am trying the achieve the families being matched to the rows by the names? Do you know what i need to change in my code to achieve this?

    – Uskompuf
    Jan 1 at 6:16














5












5








5








Question:



I have a python script to scrape and website it gets 2 variables and stores them in 2 lists. I then use executemany to update MySQL database using one variable to match a pre-existing row to insert the other variable into.



Code:



Python Script



import mysql.connector
from bs4 import BeautifulSoup as soup
from selenium import webdriver
import time, re

mydb = mysql.connector.connect(
host="host",
user="user",
passwd="passwd",
database="database"
)

mycursor = mydb.cursor()

d = webdriver.Chrome('D:/Uskompuf/Downloads/chromedriver')
d.get('https://au.pcpartpicker.com/products/cpu/overall-list/#page=1')
def cpus(_source):
result = soup(_source, 'html.parser').find('ul', {'id':'category_content'}).find_all('li')
_titles = list(filter(None, [(lambda x:'' if x is None else x.text)(i.find('div', {'class':'title'})) for i in result]))
data = [list(filter(None, [re.findall('(?<=().*?(?=))', c.text) for c in i.find_all('div')])) for i in result]
return _titles, [a for *_, [a] in filter(None, data)]


_titles, _cpus = cpus(d.page_source)
sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))
print(sql, list(zip(_titles, _cpus)))
_last_page = soup(d.page_source, 'html.parser').find_all('a', {'href':re.compile('#page=d+')})[-1].text
for i in range(2, int(_last_page)+1):
d.get(f'https://au.pcpartpicker.com/products/cpu/overall-list/#page={i}')
time.sleep(3)
_titles, _cpus = cpus(d.page_source)
sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))

mydb.commit()


MySQL UPDATE code



sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))


MySQL UPDATE code print



print(sql, list(zip(_cpus, _titles)))


MySQL UPDATE code print output



UPDATE cpu set family = %s where name = %s [('Pinnacle Ridge', 'AMD Ryzen 5 2600'), ('Coffee Lake-S', 'Intel Core i7-8700K'),...


First 2 rows of table



Image



Expected result



The first variable is the name and that is the variable that needs to be matched the second variable is the family to be updated to row. The name matches perfectly and there are no errors when running the program however all family values are null.



Not sure what the best way to go solving this, I though i could make a fiddle but not sure about the list in executemany?



Other



If you need any more information please let me know.



Thanks










share|improve this question
















Question:



I have a python script to scrape and website it gets 2 variables and stores them in 2 lists. I then use executemany to update MySQL database using one variable to match a pre-existing row to insert the other variable into.



Code:



Python Script



import mysql.connector
from bs4 import BeautifulSoup as soup
from selenium import webdriver
import time, re

mydb = mysql.connector.connect(
host="host",
user="user",
passwd="passwd",
database="database"
)

mycursor = mydb.cursor()

d = webdriver.Chrome('D:/Uskompuf/Downloads/chromedriver')
d.get('https://au.pcpartpicker.com/products/cpu/overall-list/#page=1')
def cpus(_source):
result = soup(_source, 'html.parser').find('ul', {'id':'category_content'}).find_all('li')
_titles = list(filter(None, [(lambda x:'' if x is None else x.text)(i.find('div', {'class':'title'})) for i in result]))
data = [list(filter(None, [re.findall('(?<=().*?(?=))', c.text) for c in i.find_all('div')])) for i in result]
return _titles, [a for *_, [a] in filter(None, data)]


_titles, _cpus = cpus(d.page_source)
sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))
print(sql, list(zip(_titles, _cpus)))
_last_page = soup(d.page_source, 'html.parser').find_all('a', {'href':re.compile('#page=d+')})[-1].text
for i in range(2, int(_last_page)+1):
d.get(f'https://au.pcpartpicker.com/products/cpu/overall-list/#page={i}')
time.sleep(3)
_titles, _cpus = cpus(d.page_source)
sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))

mydb.commit()


MySQL UPDATE code



sql = "UPDATE cpu set family = %s where name = %s"
mycursor.executemany(sql, list(zip(_cpus, _titles)))


MySQL UPDATE code print



print(sql, list(zip(_cpus, _titles)))


MySQL UPDATE code print output



UPDATE cpu set family = %s where name = %s [('Pinnacle Ridge', 'AMD Ryzen 5 2600'), ('Coffee Lake-S', 'Intel Core i7-8700K'),...


First 2 rows of table



Image



Expected result



The first variable is the name and that is the variable that needs to be matched the second variable is the family to be updated to row. The name matches perfectly and there are no errors when running the program however all family values are null.



Not sure what the best way to go solving this, I though i could make a fiddle but not sure about the list in executemany?



Other



If you need any more information please let me know.



Thanks







python mysql python-3.x mysql-python






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jan 1 at 6:26







Uskompuf

















asked Jan 1 at 2:36









UskompufUskompuf

947




947













  • Can i ask a question? There are any name's value is Pinnacle Ridge. Because i ran a small example like cur.executemany("UPDATE test SET col = %s WHERE col = %s", [("a","1"),("b","2")]), it works well.

    – kcorlidy
    Jan 1 at 5:07













  • Sorry I'm not sure i completely understand the name values are AMD Ryzen 5 2600, Intel Core i7-8700k etc the family are Pinnacle Ridge, Coffe-Lake-S. Im not sure if the order is incorrect if so how can i rearrange it?

    – Uskompuf
    Jan 1 at 5:16











  • I think you should fix your question, what you printed and what you used in executemany are different.

    – kcorlidy
    Jan 1 at 5:34











  • Actually, your situation confused me. I created a similar table and insert all value in _titles first. Then use part of your code(before for-loop), i got what you desire | AMD Ryzen 5 2600 | Pinnacle Ridge | | Intel Core i7-8700K | Coffee Lake-S | | AMD Ryzen 7 2700X | Pinnacle Ridge | | AMD Ryzen 3 2200G | Raven Ridge |

    – kcorlidy
    Jan 1 at 5:57











  • sorry im not sure what you mean i am trying the achieve the families being matched to the rows by the names? Do you know what i need to change in my code to achieve this?

    – Uskompuf
    Jan 1 at 6:16



















  • Can i ask a question? There are any name's value is Pinnacle Ridge. Because i ran a small example like cur.executemany("UPDATE test SET col = %s WHERE col = %s", [("a","1"),("b","2")]), it works well.

    – kcorlidy
    Jan 1 at 5:07













  • Sorry I'm not sure i completely understand the name values are AMD Ryzen 5 2600, Intel Core i7-8700k etc the family are Pinnacle Ridge, Coffe-Lake-S. Im not sure if the order is incorrect if so how can i rearrange it?

    – Uskompuf
    Jan 1 at 5:16











  • I think you should fix your question, what you printed and what you used in executemany are different.

    – kcorlidy
    Jan 1 at 5:34











  • Actually, your situation confused me. I created a similar table and insert all value in _titles first. Then use part of your code(before for-loop), i got what you desire | AMD Ryzen 5 2600 | Pinnacle Ridge | | Intel Core i7-8700K | Coffee Lake-S | | AMD Ryzen 7 2700X | Pinnacle Ridge | | AMD Ryzen 3 2200G | Raven Ridge |

    – kcorlidy
    Jan 1 at 5:57











  • sorry im not sure what you mean i am trying the achieve the families being matched to the rows by the names? Do you know what i need to change in my code to achieve this?

    – Uskompuf
    Jan 1 at 6:16

















Can i ask a question? There are any name's value is Pinnacle Ridge. Because i ran a small example like cur.executemany("UPDATE test SET col = %s WHERE col = %s", [("a","1"),("b","2")]), it works well.

– kcorlidy
Jan 1 at 5:07







Can i ask a question? There are any name's value is Pinnacle Ridge. Because i ran a small example like cur.executemany("UPDATE test SET col = %s WHERE col = %s", [("a","1"),("b","2")]), it works well.

– kcorlidy
Jan 1 at 5:07















Sorry I'm not sure i completely understand the name values are AMD Ryzen 5 2600, Intel Core i7-8700k etc the family are Pinnacle Ridge, Coffe-Lake-S. Im not sure if the order is incorrect if so how can i rearrange it?

– Uskompuf
Jan 1 at 5:16





Sorry I'm not sure i completely understand the name values are AMD Ryzen 5 2600, Intel Core i7-8700k etc the family are Pinnacle Ridge, Coffe-Lake-S. Im not sure if the order is incorrect if so how can i rearrange it?

– Uskompuf
Jan 1 at 5:16













I think you should fix your question, what you printed and what you used in executemany are different.

– kcorlidy
Jan 1 at 5:34





I think you should fix your question, what you printed and what you used in executemany are different.

– kcorlidy
Jan 1 at 5:34













Actually, your situation confused me. I created a similar table and insert all value in _titles first. Then use part of your code(before for-loop), i got what you desire | AMD Ryzen 5 2600 | Pinnacle Ridge | | Intel Core i7-8700K | Coffee Lake-S | | AMD Ryzen 7 2700X | Pinnacle Ridge | | AMD Ryzen 3 2200G | Raven Ridge |

– kcorlidy
Jan 1 at 5:57





Actually, your situation confused me. I created a similar table and insert all value in _titles first. Then use part of your code(before for-loop), i got what you desire | AMD Ryzen 5 2600 | Pinnacle Ridge | | Intel Core i7-8700K | Coffee Lake-S | | AMD Ryzen 7 2700X | Pinnacle Ridge | | AMD Ryzen 3 2200G | Raven Ridge |

– kcorlidy
Jan 1 at 5:57













sorry im not sure what you mean i am trying the achieve the families being matched to the rows by the names? Do you know what i need to change in my code to achieve this?

– Uskompuf
Jan 1 at 6:16





sorry im not sure what you mean i am trying the achieve the families being matched to the rows by the names? Do you know what i need to change in my code to achieve this?

– Uskompuf
Jan 1 at 6:16












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Just had to add:



mydb.commit()


after



executemany





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    Just had to add:



    mydb.commit()


    after



    executemany





    share|improve this answer




























      0














      Just had to add:



      mydb.commit()


      after



      executemany





      share|improve this answer


























        0












        0








        0







        Just had to add:



        mydb.commit()


        after



        executemany





        share|improve this answer













        Just had to add:



        mydb.commit()


        after



        executemany






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Jan 1 at 6:30









        UskompufUskompuf

        947




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