Meta: GFQL compiler/planner post-M4 execution DAG (active wave)

[lmeyerov]

Summary

Post-M4 execution DAG meta-tracker.

Active Lanes

• [FEA] GFQL bindings_table (row bindings) from chain using Yannakakis prune #880 post-rerun residual split execution
  • [POST-RERUN] #880 residual: joined row projection bucket #1411
  • [POST-RERUN] #880 residual: joined row aggregation bucket #1413
  • [POST-RERUN] #880 residual: reply-author row-shaping bucket #1412
  • [POST-RERUN] #880 residual: employment-company row-join bucket #1414
  • [POST-RERUN] #880 residual: recursive-ancestor row-join bucket #1416
  • [POST-RERUN] #880 residual: tag-cooccurrence join-aggregation bucket #1415
• GFQL row pipeline: cuDF host-bridge gap in order_by + test placement debt for compute/gfql/row/ (follow-ups from #1362/#1359) #1373 (PR fix(gfql/row): close #1373 cuDF host bridge + row test follow-ups #1404 open)
• [FEA] Cypher binder: enable strict-name-resolution to centralize alias-scope enforcement #1357 (strict-name-resolution rollout finalization)
• Meta: Prioritized direct-Cypher wrong-row bugfix tranches (92 cases) #1353 tranches: [META-split] Direct-Cypher wrong-rows tranche A: comparator + ORDER BY semantics #1405 / [META-split] Direct-Cypher wrong-rows tranche B: temporal comparison/canonicalization #1406 / [META-split] Direct-Cypher wrong-rows tranche C: tri-valued list/map/null semantics #1407
  • [META-split] Direct-Cypher wrong-rows tranche A: comparator + ORDER BY semantics #1405
  • [META-split] Direct-Cypher wrong-rows tranche B: temporal comparison/canonicalization #1406 (via fix(cypher): temporal historical canonicalization/comparison tranche #1409)
  • [META-split] Direct-Cypher wrong-rows tranche C: tri-valued list/map/null semantics #1407

Queued Large Deletion Wave (gated)

• [META] GFQL deletion wave: remove 2K+ LOC of obsolete compatibility paths #1419 (>=2K LOC target)
  • [DEL] D1 remove obsolete row-join fallback branches after #880 post-rerun fixes #1418
  • [DEL] D2 remove pre-strict binder compatibility guards after #1357 #1420
  • [DEL] D3 remove stale reentry failfast scaffolding #1421

Recently Completed Under Prior #880 Split Wave

• [FEA] GFQL residual row-bindings: employment company row join #1391 via fix(cypher): admit IC11 person!=friend scope through reentry prefix (#1391) #1401
• [FEA] GFQL residual row-bindings: recursive ancestor row join #1394 via fix(gfql): recursive ancestor row-join duplicate carry fallback (#1394) #1403
• [FEA] GFQL residual row-bindings: joined row aggregation #1392 via fix(cypher): close #1392 joined-row aggregation alias grouping gap #1398
• [FEA] GFQL residual row-bindings: joined row projection #1393 via [FEA] #1393 joined row projection broadest unlock #1399
• [FEA] GFQL residual row-bindings: reply author row shaping join #1395 via fix(gfql/cypher): sequential MATCH reply-author row-shaping join support (#1395) #1402
• [FEA] GFQL residual row-bindings: tag cooccurrence join aggregation #1396 via GFQL: tag-cooccurrence join aggregation cardinality hardening (#1396) #1400

Coordination Metas

• Meta: benchmark coverage unlock plan for GFQL and GFQL/Cypher #992 synced
• Cypher/GFQL rejects multi-stage MATCH ... WITH ... MATCH ... WITH ... MATCH read queries #999 closed

[lmeyerov]

Status update for active #1262 lane: T1 slice #1296 is implemented in PR #1298 (https://github.com/graphistry/pygraphistry/pull/1298).\n\nChecks are green (including tck-gfql/docs). Pending merge.

[lmeyerov]

Execution lane update: #1296 is now merged via PR #1298\nhttps://github.com//pull/1298\n\nMerge commit: 559bdc7\n\nStatus: T1 schema-contract/canonical-naming lane complete; downstream lanes can build on the stabilized schema surface.

[lmeyerov]

Lane update: #1302 (T2 under #1262) has landed via PR #1308.\n\nMerge receipt:\n- merged to master on 2026-05-05\n- merge commit: a23c34c\n- checks green at merge time (including tck-gfql + ReadTheDocs)\n\nActive type-system lane now shifts to #1300 (T3) under #1262.