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[ALGOS-267] feat(algos): Fix bugs for template query; #167

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Merged
xuanleilin merged 3 commits into from
Jul 22, 2024
Merged

[ALGOS-267] feat(algos): Fix bugs for template query; #167

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a8cae74
[ALGOS-267] feat(algos): Fix bugs for template query;
Jul 22, 2024
ae0522e
[ALGOS-267] feat(algos): Fix bugs for template query;
Jul 22, 2024
8c3431e
[ALGOS-267] feat(algos): Fix bugs for template query;
Jul 22, 2024
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31 changes: 14 additions & 17 deletions GDBMS_ALGO/community/louvain.gsql
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Original file line number Diff line number Diff line change
Expand Up @@ -78,23 +78,24 @@ CREATE TEMPLATE QUERY GDBMS_ALGO.community.louvain(
// -------------------- 1. First pass --------------------
// Initialization
All_Nodes = {v_type_set};
Pass_Nodes = SELECT s
FROM All_Nodes:s -(e_type_set:e)- :t
ACCUM @@m += e.getAttr(weight_attribute, "DOUBLE") / 2,
s.@k += e.getAttr(weight_attribute, "DOUBLE"),
IF s == t THEN // Self-loop link
s.@k_self_loop += e.getAttr(weight_attribute, "DOUBLE")
END
POST-ACCUM
s.@community_id = s,
s.@vid = getvid(s),
s.@batch_id = s.@vid % total_batch_count;
All_Nodes = SELECT s
FROM All_Nodes:s -(e_type_set:e)- :t
ACCUM @@m += e.getAttr(weight_attribute, "DOUBLE") / 2,
s.@k += e.getAttr(weight_attribute, "DOUBLE"),
IF s == t THEN // Self-loop link
s.@k_self_loop += e.getAttr(weight_attribute, "DOUBLE")
END
POST-ACCUM
s.@community_id = s,
s.@vid = getvid(s),
s.@batch_id = s.@vid % total_batch_count;
IF @@m < 0.00000000001 THEN
RETURN;
END;

// Local moving
INT hop = 0;
Pass_Nodes = All_Nodes;
Candidates (ANY) = Pass_Nodes;
WHILE Candidates.size() > 0 AND hop < maximum_iteration DO
hop = hop + 1;
Expand Down Expand Up @@ -376,11 +377,7 @@ CREATE TEMPLATE QUERY GDBMS_ALGO.community.louvain(
s.setAttr(result_attribute, getvid(s.@community_id))
END,
IF file_path != "" THEN
IF v_type_set.size() == 1 THEN
f.println(s.id, s.@community_id)
ELSE
VERTEX node = s.@community_id,
f.println(s.type, s, node.type, node)
END
VERTEX node = s.@community_id,
f.println(s.type, s, node.type, node)
END;
}