Re: BACK: Inserting a variable into cur.execute statement

> 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(at)datasundae(dot)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(at)datasundae(dot)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(dot)klaver(at)aklaver(dot)com>
> Sent: Monday, December 7, 2020 3:04 PM
> To: hagen(at)datasundae(dot)com; psycopg(at)lists(dot)postgresql(dot)org; psycopg(at)postgresql(dot)org
> Subject: Re: Inserting variable into
>
> On 12/7/20 2:02 PM, hagen(at)datasundae(dot)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
>
>
>
>
>
>
>