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1 vote
0 answers
30 views

Using QField offline with a PostgreSQL DB on a distant server

I'm developing a PostgreSQL–PostGIS database on a remote server. I’ve already created all the necessary layers and their attribute forms in QGIS. I now want to use it with QField. When my Android ...
user328884's user avatar
1 vote
0 answers
63 views

Running Python script before PostgreSQL authentication in QGIS

I'm working with PostgreSQL in QGIS and have a Python script that runs when the QGIS session starts. Right now, the PostgreSQL connection requires authentication first, and only after that, the Python ...
Giene's user avatar
  • 1,017
1 vote
1 answer
77 views

SQL query to extract relations within a bounding box from PostgreSQL OSM database

I used osm2pgsql to create an OSM PostgreSQL database for my region. Now I want to extract data of different types within smaller areas. I can extract the nodes and ways within my bounding box using ...
Aaron Bramson's user avatar
5 votes
0 answers
122 views

Optimizing attribute table performance for large datasets in QGIS

Currently, when opening attribute tables with a large number of features, QGIS 3.44 becomes very slow and sometimes unresponsive. This happens even on high-end hardware, which suggests the bottleneck ...
Al Francis Cardano's user avatar
0 votes
0 answers
51 views

Erratic behavior QField Sync

I am using QGIS 3.40.11 with QField Sync 4.17.3 and QField 3.7.7. My layers are stored in a PostgreSQL database. A few days ago everything was working fine, but today when I synchronized, I received ...
etorresm's user avatar
3 votes
1 answer
136 views

Getting NULL values with string_to_array function in QGIS

I work with QGIS and PostGIS. With PostGIS, I ran an SQL script that contains a section dedicated to aggregation geoprocessing: from multiple source data, each containing a unique ID, this allows to ...
user35117's user avatar
  • 1,096
1 vote
0 answers
69 views

Displaying PostgreSQL 15 table comments on browser panel exploring in QGIS 3.34.15

I would like to show the layer PostgreSQL comment (comment on table "xxxxx") when I move mouse over the layer name in the browser Panel Exploring:
User's user avatar
  • 347
3 votes
0 answers
40 views

Does PostgreSQL/PostGIS on AWS RDS use OSTN15 transformation files for 27700?

I’m running PostGIS 3.4.3 on AWS RDS (PostgreSQL 16) with PROJ 9.5.0 (postgis_full_version() output). We used to handle UK coordinate transformations outside of PostgreSQL (with ogr2ogr and PROJ 6.x) ...
Dominik  Zulovec Sajovic's user avatar
0 votes
0 answers
38 views

ArcGIS Pro doesn't recognise PostgreSQL spatial property

I have two mirroring deployments (Dev & Prod) of PostgreSQL with PostGIS extension (i.e. not Esri enterprise geodatabase) on AWS RDS servers. The database on Prod was accidently deleted and then ...
user322637's user avatar
1 vote
1 answer
73 views

QGIS Form from PostgreSQL evolutive related value column

In PostgreSQL / PostGIS : I have a layer (L1) related by a list values (LV1). I'm searching for a way to relate L1 to LV1 which : Automatically updates LV1 in QGIS if it's updated in PostgreSQL Does ...
User's user avatar
  • 347
0 votes
0 answers
51 views

QGIS Browse panel "Failed to load layers"

I've run into a quite tricky problem with QGIS Browse panel and maybe someone of you had a similar experience or knows how to solve it. The situation is as follows: I have a remote PostGIS database ...
PajdaCom's user avatar
1 vote
1 answer
162 views

PostgreSQL/PostGIS : Error No space left on device SQL state: 53100

I want to compare a geoprocessing done in QGIS and PostGIS. It involves a union of two large polygonal vector layers.The processing in QGIS tooks 1.5 hours on a well-equipped workstation (32 GB of RAM)...
user35117's user avatar
  • 1,096
0 votes
2 answers
52 views

QGIS, PostGIS. Table layers_styles missing

I'd like to have style(symbology) definitions per layer(geometry) saved in the database. As I understand it I can the just drag in a layer from the PostgreSQL in Browser section. And then I can apply ...
user3532232's user avatar
0 votes
0 answers
51 views

MapServer PostgreSQL WHERE clause with UUID column fails

I'm using MapServer with PostgreSQL and I need to be able to limit the query using a UUID field. This column type is not mentioned in the documentation. I can happily use other field types in the ...
JasonB's user avatar
  • 9
0 votes
0 answers
203 views

Seeking PostGIS docker image for Mac

I need the PostGIS extension to my PostgreSQL database but I cannot find one that will be compatible to my Mac M1, I also need the vector extension for the PostgreSQL database. Can you help me?
Oded k's user avatar
  • 1

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