perf(gfql/index): index-accelerated get_degrees + EXISTS-prune (#5 degree-cache / #3 membership)#1697

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lmeyerov wants to merge 7 commits into

feat/gfql-graphframes-benchfrom

feat/gfql-index-degrees

Commits on Jul 8, 2026

perf(gfql/index): index-accelerated get_degrees (#5 degree-cache / #3 membership)

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perf(gfql/index): wire index-accelerated get_degrees into polars engine

lmeyerov
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test(gfql/index): get_degrees index fast-path parity (4 engines)

lmeyerov
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perf(gfql/index): index-accelerate EXISTS {(n)--()} prune-isolated (#3 membership)

lmeyerov
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fix(gfql): narrow adjacency membership index typing
lmeyerov
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fix(gfql): honor polars-gpu index fast paths
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test(gfql): skip polars-gpu observability without polars
lmeyerov
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