On Oct 9, 2009, at 7:35 PM, Faheem Mitha wrote:
> Can you explain why removing the "SET search_path TO public;" string
> makes a commit happen? You also say "that string you have will not
> trip off SQLA's "autocommit" feature." How does this autocommit
> feature work, and are there certain strings that will trigger an
> autocommit?
for textual statements, autocommit is applied when this regexp matches:
AUTOCOMMIT_REGEXP = re.compile(r'\s*(?:UPDATE|INSERT|CREATE|DELETE|
DROP|ALTER)',
re.I | re.UNICODE)
>
> Regards, Faheem.
>
>> Faheem Mitha wrote:
>>>
>>> Confirmed by Alex Grönholm on #postgresql on freenode with pg 8.3
>>> and sqla
>>> 0.5.6. If this is not a bug, i'd like to know what is going on.
>>> Typing the
>>> text in gq directly into psql (all on one line) produces the
>>> schema foo as
>>> expected.
>>>
>>> Regards,
>>> Faheem.
>>>
>>> btsnp=# \dn
>>> List of schemas
>>> Name | Owner
>>> --------------------+----------
>>> information_schema | postgres
>>> pg_catalog | postgres
>>> pg_toast | postgres
>>> pg_toast_temp_1 | postgres
>>> public | postgres
>>> (5 rows)
>>>
>>> btsnp=# SET search_path TO public; DROP SCHEMA IF EXISTS foo
>>> CASCADE;
>>> CREATE SCHEMA foo;
>>> SET
>>> NOTICE: schema "foo" does not exist, skipping
>>> DROP SCHEMA
>>> CREATE SCHEMA
>>> btsnp=# \dn
>>> List of schemas
>>> Name | Owner
>>> --------------------+----------
>>> foo | faheem
>>> information_schema | postgres
>>> pg_catalog | postgres
>>> pg_toast | postgres
>>> pg_toast_temp_1 | postgres
>>> public | postgres
>>> (6 rows)
>>>
>>> On Wed, 7 Oct 2009, Faheem Mitha wrote:
>>>
>>>>
>>>> Hi,
>>>>
>>>> When running this function with postgresql 8.4 and sqla 0.5.5,
>>>>
>>>> def test(dbstring):
>>>> from sqlalchemy import create_engine
>>>> db = create_engine(dbstring)
>>>> conn = db.connect()
>>>> from sqlalchemy.sql import text
>>>> gq = text("""
>>>> SET search_path TO public;
>>>> DROP SCHEMA IF EXISTS foo CASCADE;
>>>> CREATE SCHEMA foo;
>>>> """)
>>>> conn.execute(gq)
>>>> conn.close()
>>>>
>>>> the schema foo is not created. However, removing the
>>>>
>>>> SET search_path TO public;
>>>>
>>>> line makes it work. This is not the case when issuing these
>>>> commands
>>>> directly
>>>> via psql. Any idea what might be going on here?
>>>>
>>>> Regards, Faheem.
>
>
> >
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