Re: BACK: Inserting a variable into cur.execute statement
От | Hagen Finley |
---|---|
Тема | Re: BACK: Inserting a variable into cur.execute statement |
Дата | |
Msg-id | 1f317da4-b666-dc54-a673-231b873f2ba9@datasundae.com обсуждение исходный текст |
Ответ на | Re: BACK: Inserting a variable into cur.execute statement (Daniele Varrazzo <daniele.varrazzo@gmail.com>) |
Список | psycopg |
Thank you Daniele, That did it! Much appreciated. Best, Hagen On 12/20/20 4:33 PM, Daniele Varrazzo wrote: >> cur.execute("SELECT COALESCE(SUM(revusd),0) FROM sfdc where stage LIKE 'Win%' AND saccount = %s", (account,)) > You have to escape the percent in the like as %%. > > -- Daniele > > On Sun, 20 Dec 2020 at 23:13, Hagen Finley <hagen@datasundae.com> wrote: >> Hello, >> >> I finally got around to trying to implement this code and I am running into an "IndexError: tuple index out of range"problem. >> >> I am running a function with parameters from a list: >> >> def def_acct_analysis(sht,acct): >> print(param[par][0]) >> print(param[par][1]) >> sheet = "sheet"+str(sht) >> print(sheet) >> account = acct >> print(account) >> >> par = 0 >> param = [(1,'ACCT0'),(2,'ACCT1'),(3,'ACCT2'),] >> >> for p in param: >> def_acct_analysis(param[par][0], param[par][1]) >> >> par += 1 >> >> #Print statements above output: >> >> 1 >> ACCT0 >> sheet1 >> ACCT0 >> >> I want to insert the account name 'ACCT0' into my cur.execute but I get an error with this code: >> >> cur.execute("SELECT COALESCE(SUM(revusd),0) FROM sfdc where stage LIKE 'Win%' AND saccount = %s", (account,)) >> wind1 = cur.fetchone() >> conn.commit() >> >> Traceback (most recent call last): >> File "/home/datasundae/PycharmProjects/Registration_Reports/sfdc_Account_Tab_Analysis_Function.py", line 333, in <module> >> def_acct_analysis(param[par][0], param[par][1]) >> File "/home/datasundae/PycharmProjects/Registration_Reports/sfdc_Account_Tab_Analysis_Function.py", line 96, in def_acct_analysis >> cur.execute("SELECT COALESCE(SUM(revusd),0) FROM sfdc where stage LIKE 'Win%' AND saccount = %s", (account,)) >> IndexError: tuple index out of range >> >> I've returned to the psycopg docs but I don't see my error. Can someone else see it? >> >> Best, >> >> Hagen >> >> On 12/7/20 3:31 PM, Adrian Klaver wrote: >> >> On 12/7/20 2:26 PM, hagen@datasundae.com wrote: >> >> So if I understand this correctly my new cur.execute would read: >> >> account = 'JPMC' >> >> cur.execute("SELECT SUM(revusd) FROM sfdc where saccount = %s AND stage LIKE 'Commit%';",(account )) >> >> >> Since you are using a tuple this (account ) would need to be (account,) per the docs at link previously posted: >> >> "For positional variables binding, the second argument must always be a sequence, even if it contains a single variable(remember that Python requires a comma to create a single element tuple):" >> >> >> >> >> and that would translate to >> >> cur.execute("SELECT SUM(revusd) FROM sfdc where saccount = 'JPMC' AND stage LIKE 'Commit%';") >> >> is that right? >> >> >> >> Not sure what below is supposed to be about? >> >> >> Note You can use a Python list as the argument of the IN operator using the PostgreSQL ANY operator. >> ids = [10, 20, 30] >> cur.execute("SELECT * FROM data WHERE id = ANY(%s);", (ids,)) >> Furthermore ANY can also work with empty lists, whereas IN () is a SQL syntax error. >> >> -----Original Message----- >> From: Adrian Klaver <adrian.klaver@aklaver.com> >> Sent: Monday, December 7, 2020 3:04 PM >> To: hagen@datasundae.com; psycopg@lists.postgresql.org; psycopg@postgresql.org >> Subject: Re: Inserting variable into >> >> On 12/7/20 2:02 PM, hagen@datasundae.com wrote: >> >> Hello, >> >> I'd like to use a variable for 'Big Company' (e.g. account) or where = statements generally in my cur.execute statements: >> >> cur.execute("SELECT SUM(revusd) FROM sfdc where saccount = 'Big Company' AND stage LIKE 'Commit%';") >> commitd1 = cur.fetchone() >> conn.commit() >> >> but I don't know the proper syntax with the cur.execute statement to use a variable. >> >> >> https://www.psycopg.org/docs/usage.html#passing-parameters-to-sql-queries >> >> >> I imagine others do - thanks! >> >> Best, >> >> Hagen >> >> >> >> >> >> >>
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