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Exporting shape file from a SpatiaLite table produces very large file size #24252
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Author Name: Reinhard Reiterer (Reinhard Reiterer)
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Author Name: Saber Razmjooei (@saberraz) Hi Reinhard, What version of gdal are you using? I can't reproduce the problem with QGIS 2.18.4 (not from a ppa but built against latest gdal) in Ubuntu.
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Author Name: Saber Razmjooei (@saberraz)
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Author Name: Reinhard Reiterer (Reinhard Reiterer) Hi Saber, the QGIS 'About' dialog says 'Compiled against GDAL/OGR 1.11.3': I noticed this issue on Ubuntu 16.04 LTS and Windows 7.
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Author Name: Reinhard Reiterer (Reinhard Reiterer) Sample shape files (EPSG: 31259, Encoding: Windows-1252): |
Author Name: Saber Razmjooei (@saberraz) I can confirm the issue. Using ogr2ogr the file size is 28 MB. But QGIS save as function output is 47 MB!
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Author Name: Giovanni Manghi (@gioman)
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Author Name: Nino Formica (Nino Formica) Tested with GIS 2.18.17 and QGIS 3.0.0 (both GDAL/OGR 2.2.3): confirm the issue. |
Author Name: Giovanni Manghi (@gioman) End of life notice: QGIS 2.18 LTR Source: QGIS 3.4 has recently become our new Long Term Release (LTR) version. This is a major step in our history – a long term release version based on the massive updates, library upgrades and improvements that we carried out in the course of the 2.x to 3x upgrade cycle. We strongly encourage all users who are currently using QGIS 2.18 LTR as their preferred QGIS release to migrate to QGIS 3.4. This new LTR version will receive regular bugfixes for at least one year. It also includes hundreds of new functions, usability improvements, bugfixes, and other goodies. See the relevant changelogs for a good sampling of all the new features that have gone into version 3.4 Most plugins have been either migrated or incorporated into the core QGIS code base. We strongly discourage the continued use of QGIS 2.18 LTR as it is now officially unsupported, which means we’ll not provide any bug fix releases for it. You should also note that we intend to close all bug tickets referring to the now obsolete LTR version. Original reporters will receive a notification of the ticket closure and are encouraged to check whether the issue persists in the new LTR, in which case they should reopen the ticket. If you would like to better understand the QGIS release roadmap, check out our roadmap page! It outlines the schedule for upcoming releases and will help you plan your deployment of QGIS into an operational environment. The development of QGIS 3.4 LTR has been made possible by the work of hundreds of volunteers, by the investments of companies, professionals, and administrations, and by continuous donations and financial support from many of you. We sincerely thank you all and encourage you to collaborate and support the project even more, for the long term improvement and sustainability of the QGIS project.
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Author Name: Reinhard Reiterer (Reinhard Reiterer)
Original Redmine Issue: 16342
Affected QGIS version: 2.18.4
Redmine category:data_provider/spatialite
To reproduce this issue please import a shape file in a SpatiaLite table and export the table as a shape file again. The new shape file is more than twice as large as the original shape file!
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