Re: [GENERAL] Create database bug in 8.1.3 ?

2006-04-09 Thread William ZHANG
ommand, things will be more complicated. If you have not modified system catalogs in template1, using template0 in dump should cause no problem. Regrads, William ZHANG ---(end of broadcast)--- TIP 4: Have you searched our list archives? http://archives.postgresql.org

Re: [GENERAL] partial resultset in java

2006-03-23 Thread William ZHANG
Sorry. Forgot the link: http://www.onjava.com/pub/a/onjava/2004/06/16/dbcancel.html?page=2 "William ZHANG" <[EMAIL PROTECTED]> > Re: [GENERAL] partial resultset in javaI have not install pgsql's jdbc. > But I think the following link may help. &

Re: [GENERAL] partial resultset in java

2006-03-23 Thread William ZHANG
Re: [GENERAL] partial resultset in javaI have not install pgsql's jdbc. But I think the following link may help. Regards, William ZHANG ---(end of broadcast)--- TIP 4: Have you searched our list archives?

Re: [GENERAL] partial resultset in java

2006-03-22 Thread William ZHANG
There is a method called cancel() in interface Statement. But I don't know if it is implemented correctly in JDBC. Maybe you can try it. Regards, William ZHANG ---(end of broadcast)--- TIP 5: don't forget to increase your free

Re: [GENERAL] back slash separated values

2006-03-22 Thread William ZHANG
postgres$# END; postgres$# $$ LANGUAGE plpgsql; CREATE FUNCTION postgres=# SELECT foo ('pgsql', 'hackers'); foo --- pgsql\hackers (1 row) Regards, William ZHANG ---(end of broadcast)--- TIP 6: explain analyze is your friend

Re: [GENERAL] "libpq.lib"

2006-03-21 Thread William ZHANG
ou can try Borland C++'s tool implib.exe. 1) Start a command line box. 2) Change to the directory where implib.exe resides. 3) Run implib. It is something like: implib libpq.lib libpq.dll But I can not verify it now. Please try it. Regards, William ZHANG --

Re: [GENERAL] How I can get the real data type result instead of

2006-03-21 Thread William ZHANG
"Sigurdur Gunnlaugsson" <[EMAIL PROTECTED]> > On Mon, 2006-03-20 at 21:10, Wei Wei wrote: > > Try: > > order by count(id)/age::float Or you can use the standard grammer: order by cast(count(id)/age as float) Regards, William ZHANG -

Re: [GENERAL] How do I make a timestamp column default to current time

2006-03-16 Thread William ZHANG
create table foo (fno int, ftimestamp timestamp default now()); insert into foo(fno) values (1); insert into foo(fno) values (2); select * from foo; Regards, William ZHANG ---(end of broadcast)--- TIP 1: if posting/reading through Usenet, please se

Re: [GENERAL] 8.1 'make check' fails

2005-10-02 Thread William ZHANG
Yes, the Makefiles cannot deal with spaces correctly. Seems we should avoid use the `complicated' path. "Wes" <[EMAIL PROTECTED]> wrote > System: Mac OS X 10.4.2 > PostgreSQL: 8.1 b2 > > Running 'make check', I get the following failure: > > rm -rf ./testtablespace > mkdir ./testtablespace > /bin

Re: [GENERAL] Multiple database queries

2005-10-02 Thread William ZHANG
Sybase and Microsoft SQL Server are somewhat silimar on the concept `database'. They both support queries across multiple databases. But pgsql's database is different, I think you can use pgsql's schemas to cope with problem. Regards, William ZHANG "Cosmopo" <[EMA

Re: [GENERAL] Get all table names that have a specific column

2005-09-30 Thread William ZHANG
pgsql stores table names in pg_class.relname, column names in pg_attribute.attname. Read the document and you can get the solution. "Emi Lu" <[EMAIL PROTECTED]> wrote > Greetings, > > I am not very familiar with the system views/tables in postgreSQL. I'd > like to get all table names that have a

Re: [GENERAL] Where can I download HTML manual?

2005-08-13 Thread William ZHANG
> My question: where in the FTP area is the HTML manual for version 8.0? ftp://ftp.postgresql.org/pub/v8.0.3/ ---(end of broadcast)--- TIP 4: Have you searched our list archives? http://archives.postgresql.org

Re: [GENERAL] pg_class and relfilenode

2004-02-15 Thread William ZHANG
> e.g. > pg_shadow_usename_index > pg_stat_activity > pg_stat_database > They are system views and correspond to no file. See PostgreSQL's documents. ---(end of broadcast)--- TIP 2: you can get off all lists at once with the unregister command

Re: [GENERAL] Some basic SQL Questions

2004-01-18 Thread William ZHANG
"Steven O." <[EMAIL PROTECTED]> wrote: [EMAIL PROTECTED] > First, this may not be the correct newsgroup. I have some relatively > basic questions on SQL. I tried to find a newsgroup that was > specifically just about SQL, and was surprised to find that all the > SQL-related newsgroups seem to be