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Fix index optimization bug (#860)

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Andi 2023-04-04 23:43:13 +02:00 committed by GitHub
parent 6545283dac
commit 26a0866938
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1 changed files with 5 additions and 1 deletions
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6
src/query/plan/rewrite/index_lookup.hpp
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@ -564,7 +564,11 @@ class IndexLookupRewriter final : public HierarchicalLogicalOperatorVisitor {
*/ */
auto compare_indices = [](std::optional<LabelPropertyIndex> &found, std::optional<storage::IndexStats> &new_stats, auto compare_indices = [](std::optional<LabelPropertyIndex> &found, std::optional<storage::IndexStats> &new_stats,
int vertex_count) { int vertex_count) {
if (!new_stats.has_value() || vertex_count / 10.0 > found->vertex_count) { if (!new_stats.has_value()) {
return 0;
}
if (vertex_count / 10.0 > found->vertex_count) {
return 1; return 1;
} }
int cmp_avg_group = utils::CompareDecimal(new_stats->avg_group_size, found->index_stats->avg_group_size); int cmp_avg_group = utils::CompareDecimal(new_stats->avg_group_size, found->index_stats->avg_group_size);