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Infinite loading for the project with many rule-based layers #55026

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magicarm22 opened this issue Oct 23, 2023 · 1 comment · May be fixed by #60577
Open
2 tasks done

Infinite loading for the project with many rule-based layers #55026

magicarm22 opened this issue Oct 23, 2023 · 1 comment · May be fixed by #60577
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@nyalldawson
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Bug Either a bug report, or a bug fix. Let's hope for the latter! Crash/Data Corruption Symbology Related to vector layer symbology or renderers

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@magicarm22
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magicarm22 commented Oct 23, 2023 •
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What is the bug or the crash?

We are creating a plugin that can upload data to the geopackage file and set it in QGIS. For now, we have a gpkg file with ~60 layers, each with 3 rule-based symbols. When trying to enable one of the groups, QGIS starts to load layers, but it doesn't end - QGIS loading layers infinite. How can we optimize rendering?

Steps to reproduce the issue

  1. Load test project:
    7d874196-7365-4670-ad1f-36afbeeba9be.zip
  2. Extract project to the folder
  3. Open project_4_04-23.qgs file
  4. Try to load group of layers "Трубопроводы"
  5. QGIS will load layer, but renderer stuck - if you try to zoom in or zoom out, layers will not re-render.
  6. When you try to close QGIS, it will freeze.

Versions

Версия QGIS 3.22.8-Białowieża
Ревизия 8d5e976
Версия Qt 5.15.3
Версия Python 3.9.5
Версия GDAL/OGR 3.5.0
Версия PROJ 9.0.1
Версия базы данных реестра EPSG v10.064 (2022-05-19)
Версия GEOS 3.10.3-CAPI-1.16.1
Версия SQLite 3.38.1
Версия PDAL 2.3.0
Версия PostgreSQL 14.3
Версия SpatiaLite 5.0.1
Версия QWT 6.1.6
Версия QScintilla2 2.13.1
Версия ОС Windows 10 Version 1809

Включенные модули Python
db_manager 0.1.20
grassprovider 2.12.99
MetaSearch 0.3.5
processing 2.12.99
sagaprovider 2.12.99

Also tested on 3.32.3-Lima, same problem

Supported QGIS version

  • I'm running a supported QGIS version according to the roadmap.

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Additional context

No response
@magicarm22 magicarm22 added the Bug Either a bug report, or a bug fix. Let's hope for the latter! label Oct 23, 2023
@agiudiceandrea agiudiceandrea added the Symbology Related to vector layer symbology or renderers label Oct 24, 2023
@agiudiceandrea
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@magicarm22, thanks for reporting. QGIS 3.22 is no longer supported, anyway I can confirm the issue using the latest currently supported QGIS version QGIS 3.28 and QGIS 3.33.

@nyalldawson nyalldawson self-assigned this Feb 13, 2025
nyalldawson added a commit to nyalldawson/QGIS that referenced this issue Feb 13, 2025
@nyalldawson
Fix hang when project with large number of layers has joins to same l…
7943bf0 
…ayers

Fixes qgis#55026
@nyalldawson nyalldawson linked a pull request Feb 13, 2025 that will close this issue
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Bug Either a bug report, or a bug fix. Let's hope for the latter! Crash/Data Corruption Symbology Related to vector layer symbology or renderers
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Fix hang when project with large number of layers has joins to same layers nyalldawson/QGIS
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@nyalldawson @agiudiceandrea @magicarm22