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Be careful to remove null attributes from prefilter/postfilter output

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This commit is contained in:
Eric Fischer
2018-06-06 11:48:57 -07:00
parent 2318673108
commit c9eed0d457
5 changed files with 49 additions and 3 deletions
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plugin.cpp
+9 -2
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@@ -259,7 +259,11 @@ std::vector<mvt_layer> parse_layers(int fd, int z, unsigned x, unsigned y, std::
std::string s;
stringify_value(properties->values[i], tp, s, "Filter output", jp->line, j);
if (tp >= 0) {
// Nulls can be excluded here because this is the postfilter
// and it is nearly time to create the vector representation
if (tp >= 0 && tp != mvt_null) {
mvt_value v = stringified_to_mvt_value(tp, s.c_str());
l->second.tag(feature, std::string(properties->keys[i]->string), v);
@@ -493,7 +497,10 @@ serial_feature parse_feature(json_pull *jp, int z, unsigned x, unsigned y, std::
stringify_value(properties->values[i], v.type, v.s, "Filter output", jp->line, j);
if (v.type >= 0) {
// Nulls can be excluded here because the expression evaluation filter
// would have already run before prefiltering
if (v.type >= 0 && v.type != mvt_null) {
sf.full_keys.push_back(std::string(properties->keys[i]->string));
sf.full_values.push_back(v);