Re: DELETE FROM statement not working

On 03/14/2016 10:02 AM, Shaan Repswal wrote:

Ccing list
> Traceback (most recent call last):
> File "<pyshell#88>", line 1, in <module>
> cur.execute("DELETE FROM inventory WHERE name = 'Polyester Direct
> High Gloss';")
> psycopg2.InternalError: current transaction is aborted, commands ignored
> until end of transaction block

Rollback the failed transaction.:

conn.rollback()

Then retry the query.

FYI, the ';' is not necessary psycopg2 takes care of terminating the query.

>
> On Mon, Mar 14, 2016 at 10:32 PM, Shaan Repswal
> <shaun(dot)reapswaal(at)gmail(dot)com <mailto:shaun(dot)reapswaal(at)gmail(dot)com>> wrote:
>
> I tried this
>
> cur.execute("DELETE FROM inventory WHERE name = 'Polyester Direct
> High Gloss'")
>
> But I got this
>
> Traceback (most recent call last):
> File "<pyshell#87>", line 1, in <module>
> cur.execute("DELETE FROM inventory WHERE name = 'Polyester
> Direct High Gloss'")
> psycopg2.InternalError: current transaction is aborted, commands
> ignored until end of transaction block
>
> On Mon, Mar 14, 2016 at 10:28 PM, Adrian Klaver
> <adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
>
> On 03/14/2016 09:56 AM, Shaan Repswal wrote:
>
> I was trying to delete a record I got inside my database and
> so I first
> typed all of this inside the interpreter... It was followed
> by the error
> mentioned at the bottom. I can't figure this out. Can anyone
> help me out?
>
> >>> conn = psycopg2.connect("dbname=prototypedb user=postgres
> password=superman123")
> >>> cur = conn.cursor()
> >>> cur.execute("DELETE FROM inventory WHERE name =
> \"Polyester Direct
> High Gloss\";")
> Traceback (most recent call last):
> File "<pyshell#84>", line 1, in <module>
> cur.execute("DELETE FROM inventory WHERE name =
> \"Polyester Direct
> High Gloss\";")
> psycopg2.ProgrammingError: column "Polyester Direct High
> Gloss" does not
> exist
> LINE 1: DELETE FROM inventory WHERE name = "Polyester Direct
> High Gl...
> ^
>
>
> Double quotes are for identifiers not string values. So your
> statement should be:
>
> "DELETE FROM inventory WHERE name = 'Polyester Direct High Gloss' "
>
>
>
>
> >>> name = "DELETE FROM inventory WHERE name = \"Polyester
> Direct High
> Gloss\";"
> >>> cur.execute(name)
> Traceback (most recent call last):
> File "<pyshell#86>", line 1, in <module>
> cur.execute(name)
> psycopg2.InternalError: current transaction is aborted,
> commands ignored
> until end of transaction block
>
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
>
>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com