Hi all,
I'm one of the Google SoC's students for PostgreSQL. My project is
to implement column-level privilege in PG. Here is a description of my
project. Any and all help and/or comment is appreciated.
Table-level privilege subsystem in PG is now used like this:
GRANT { { SELECT | INSERT | UPDA
Dear August
Thank you for your reply.
On 4/25/07, August Zajonc <[EMAIL PROTECTED]> wrote:
Golden Liu wrote:
> 3. Before evaluating a SQL command, check column-level privilege.
> This is done AFTER checking table-level privilege. As I mentioned
> before, if table-level privi
Hello
I'm one of the Google SoC's students for PostgreSQL. While reading sql92
standard, I found something like this:
11.36
General Rules
3) For every identified privilege descriptor whose action is
SELECT, INSERT, UPDATE, or REFERENCES without a column name,
Updateable cursors are used as follows:
begin;
declare foo cursor for select * from bar for update;
fetch foo;
update bar set abc='def' where current of foo;
fetch foo;
delete from bar where current of foo;
commit;
PostgreSQL doesn't support this feature now ( 8.1.4). Will PGSQL
support it rece
Suppose there are too tuples in a table t, named
id
---
1
2
and there is a unique index on id. Now we do an update on table t
update t set id=id+1
Since PG executes the update one tuple at a time, it updates tuple "1"
to "2" and insert it into the index. Before insert into the index, it
check wh
On 9/18/06, Tom Lane <[EMAIL PROTECTED]> wrote:
Jim Nasby <[EMAIL PROTECTED]> writes:
> On Sep 14, 2006, at 9:16 PM, Golden Liu wrote:
>> I try to solve this problem this way:
>> First, update the table t but DON'T update the index.
>> Next, find all the tup
