On Sat, 2012-04-21 at 18:01 +0200, F. BROUARD / SQLpro wrote:
> Le 21/04/2012 16:54, Guillaume Lelarge a écrit :
> > On Sat, 2012-04-21 at 16:17 +0200, F. BROUARD / SQLpro wrote:
> >> Hi there,
> >>
> >> "PostgreSQL 9.1.2, compiled by Visual C++ build 1500, 64-bit"
> >> catalog version : PG_9.1_201105231
> >>
> >> --> the table :
> >>
> >> CREATE TABLE T_TEST_TAILLE
> >> (TTT_ID SERIAL NOT NULL PRIMARY KEY,
> >> TTT_DATAFIX CHAR(16),
> >> TTT_DATAVAR VARCHAR(16),
> >> TTT_DATAVARBIG VARCHAR(6000));
> >>
> >> --> the inserts :
> >>
> >> INSERT INTO T_TEST_TAILLE (TTT_DATAFIX, TTT_DATAVAR, TTT_DATAVARBIG)
> >> SELECT NULL, NULL, NULL
> >> UNION ALL SELECT '', '', ''
> >> UNION ALL SELECT '12345678', '12345678', REPEAT('*', 3000)
> >> UNION ALL SELECT '1234567890123456', '1234567890123456',
> >> REPEAT('*', 6000)
> >>
> >> --> the query
> >>
> >> SELECT *, pg_column_size(TTT_DATAFIX),
> >> char_length(TTT_DATAFIX),
> >> octet_length(TTT_DATAFIX),
> >> pg_column_size(TTT_DATAVAR),
> >> char_length(TTT_DATAVAR),
> >> octet_length(TTT_DATAFIX),
> >> pg_column_size(TTT_DATAVARBIG),
> >> char_length(TTT_DATAVARBIG),
> >> octet_length(TTT_DATAFIX)
> >> FROM T_TEST_TAILLE;
> >>
> >> !!! PROBLEM !!!
> >>
> >> --> at this time the 4th row show nothing in ttt_datavarbig column...
> >> it is supposed to retrive the long '********************* ... '
> >> 6000 characters !
> >>
> >> What happened ?
> >>
> >
> > Let me guess. You used pgAdmin, right? The widget pgAdmin uses on its
> > query tool doesn't allow us to show really big values. Sometimes, it
> > just doesn't display the cell at all. Kinda lame, and I hope I'll be
> > able to fix this one day.
> >
> > Try with psql as Andreas told you, you'll see your long value.
> >
> >
> yes, PGAdminIII
>
> OK, this is bizarre... In SQL Server management Studio, you can fix the
> column limit and the first n octets/chars are shown.
>
Different tools, different behaviours. Anyway, this is clearly a bug in
pgAdmin, I won't deny it.
The solution offered by the tool you mentionned would be a nice one for
pgAdmin.
--
Guillaume
http://blog.guillaume.lelarge.info
http://www.dalibo.com
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