use proper mapnik::value_null in sqlite features rather than empty strings
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1 changed files with 1 additions and 2 deletions
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@ -102,8 +102,7 @@ feature_ptr sqlite_featureset::next()
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case SQLITE_NULL:
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{
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UnicodeString ustr = tr_->transcode ("");
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boost::put(*feature,fld_name,ustr);
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boost::put(*feature,fld_name,mapnik::value_null());
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break;
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}
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