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Reduce memory consumption from attribute accumulation (#290)

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* Progress on plumbing a string pool for full_keys through

* More plumbing for key_pool

* Don't keep features with identical locations as multiplier features

* Revert "Don't keep features with identical locations as multiplier features"

This reverts commit 413f0c8024.

* Adjust calculated maxzoom to account for duplicate feature locations

* Update changelog and version

* Add a test affected by the maxzoom change with duplicate locations

* Round the drop rate a little for cross-platform test consistency
This commit is contained in:
Erica Fischer
2024-11-05 14:39:41 -08:00
committed by GitHub
parent b3b89e1e07
commit 23667bb8eb
21 changed files with 1230 additions and 285 deletions
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flatgeobuf.cpp
+3 -2
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@@ -146,8 +146,9 @@ void readFeature(const FlatGeobuf::Feature *feature, long long feature_sequence_
sf.geometry = dv;
sf.t = drawvec_type;
std::vector<std::string> full_keys;
std::vector<std::shared_ptr<std::string>> full_keys;
std::vector<serial_val> full_values;
key_pool key_pool;
// assume tabular schema with columns in header
size_t p_pos = 0;
@@ -243,7 +244,7 @@ void readFeature(const FlatGeobuf::Feature *feature, long long feature_sequence_
fprintf(stderr, "flatgeobuf has unsupported column type %u\n", (unsigned int)col_type);
exit(EXIT_IMPOSSIBLE);
}
full_keys.push_back(h_column_names[col_idx]);
full_keys.push_back(key_pool.pool(h_column_names[col_idx]));
full_values.push_back(sv);
}