fix: more efficient ndjson emptiness check (#481)

GenSpectrum · Jun 14, 2024 · 344ec7b · 344ec7b
1 parent 6dbe251
commit 344ec7b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/silo/preprocessing/metadata_info.cpp b/src/silo/preprocessing/metadata_info.cpp
@@ -91,7 +91,7 @@ bool MetadataInfo::isNdjsonFileEmpty(const std::filesystem::path& ndjson_file) {
 
    auto result = connection.Query(fmt::format(
       "SELECT COUNT(*) "
-      "FROM read_json_auto(\"{}\");",
+      "FROM (SELECT * FROM read_json_auto(\"{}\") LIMIT 1);",
       ndjson_file.string()
    ));