Hi Raymond,
Am 26.03.2015 10:57, schrieb Raymond Nijssen:
Thanks Regis, that was exactly the issue. The (boolean!) field
'inonderzoek' was used as a key. When I change that to 'gid' in the Add
PostGIS Table dialog, everything works correctly.
Can anyone tell me why QGIS picks that boolean field for most of my
tables? Can I change that behaviour by changing my database structure?
Maybe I can, but I would need the table definition statement for it. Can
you post it here.
Generally speaking you should define an integer field (use bigint if you
expect _many_ datasets) as primary key for the table like:
CREATE TABLE my_points
(
gid integer NOT NULL,
the_geom geometry(Point,my_srid),
other_fields,
CONSTRAINT my_points_pkey PRIMARY KEY (gid)
);
Bernhard
http://terglobo.nl/downloads/qgis_add_postgis_table_wrong_key.png
And how can the identify results be correct anyway?
Tnx,
Raymond
dbname='bag' host=localhost port=5432 user='postgres' sslmode=disable
key='inonderzoek' estimatedmetadata=true srid=28992 type=POLYGON
table="bagactueel"."pandactueelbestaand" (geovlak) sql=
On 26-03-15 10:34, Régis Haubourg wrote:
Hi, I have seen such troubles when the choosen primary key from qgis
side is
not unique .
Symptoms: selecting one feature select severals unrelated features of the
same layer. relation with attributes is broken also.
Can you check in your layer's definition (general tab of layer
properties)
if you choose gid field as key, and check if it is really unique in
postgis?
Cheers
Régis
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