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gfql polars: an edge alias that collides with the edge column its own filter uses raises incompatible-column-type (pandas serves it)

Status: Open.

#2039 In graphistry/pygraphistry;

· lmeyerov opened on Sep 5, 2026

gfql: rows(table=nodes, source=alias) multiplies rows for duplicate node ids and joins null ids to each other

Status: Open.

#2034 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

perf(gfql): polars native chain for a seeded typed 1-hop does not take the seeded fast path (3-4x slower than the same Cypher)

Status: Open.

#2033 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

perf(gfql): CPU PageRank spends ~95% of its time in to_igraph conversion and join-back, not the solver

Status: Open.

#2032 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

perf(gfql): ~25 ms fixed floor per point-lookup query on the chain/Cypher path (SNB seed lookup on 1.5k persons)

Status: Open.

#2027 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

perf(gfql): undirected k-hop chain re-runs the seed-rediscovery rule and the endpoint-resolvability filter on every pass

Status: Open.

#2026 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

compute_cugraph / compute_igraph reject polars-bound graphs (LazyFrame and DataFrame)

Status: Open.

#2025 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

perf(gfql): undirected multi-hop is ~30x slower since #1918 — pure-Python O(E) seed-rediscovery loop

Status: Open.

#2023 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

gfql: compute_cugraph('pagerank') and compute_igraph('pagerank') rank the 0.9995-quantile tail differently on GPlus (selected-node Jaccard 0.91)

Status: Open.

#2022 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

perf(gfql): filter→PageRank→filter pandas pipeline ~12% slower between 49db91cc and 0.59.0 (3fb216dd) on Twitter, same harness

Status: Open.

#2021 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

gfql cypher pandas: three IN predicates across (a)-[e]->(t) crash with 'Unalignable boolean Series' (polars OK)

Status: Open.

#2020 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026

gfql cypher: WHERE on a single alias of a multi-alias MATCH is rejected as multi-source

Status: Open.

#2019 In graphistry/pygraphistry;

· lmeyerov opened on Sep 4, 2026