Print Composer ignores width values from expression

[qgib]

Author Name: zimirrr leonid (zimirrr leonid)
Original Redmine Issue: 17375
Affected QGIS version: 2.14.17
Redmine category:map_composer/printing

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Hello. I found strange thing.

I have a project where lines width is calculated with such expression:
@"width_coefficient" + to_real( @TEST_VAR_WIDTH )@
where @"width_coefficient"@ is column and @TEST_VAR_WIDTH global variable in qgis.

Here how layer looks like when @TEST_VAR_WIDTH = 0
!step1.jpg!

And now @TEST_VAR_WIDTH = -0.5
!step2.jpg!

Everything works fine but when I try to print as pdf from composer I get all lines.
See export_pdf.pdf

I've created test qgis project with one layer and composer. You can try it yourself.

QGIS version 2.14.17-Essen
Compiled against Qt 4.8.5
Compiled against GDAL/OGR 2.2.1
Compiled against GEOS 3.5.0-CAPI-1.9.0

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• step2.jpg (zimirrr leonid)
• step1.jpg (zimirrr leonid)
• export_pdf.pdf (zimirrr leonid)
• qgis_bugtrack_error.zip (zimirrr leonid)

[qgib]

Author Name: Giovanni Manghi (@gioman)

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what about 2.18.14/master?

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• status_id was changed from Open to Feedback

[qgib]

Author Name: Giovanni Manghi (@gioman)

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Closing for lack of feedback.

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• resolution was changed from to not reproducable
• status_id was changed from Feedback to Closed