feat: copilot custom instructions#24
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scottschreckengaust merged 6 commits intoFeb 12, 2026
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Signed-off-by: Scott Schreckengaust <scottschreckengaust@users.noreply.github.com>
Signed-off-by: Scott Schreckengaust <scottschreckengaust@users.noreply.github.com>
Signed-off-by: Scott Schreckengaust <scottschreckengaust@users.noreply.github.com>
theagenticguy
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Feb 12, 2026
krokoko
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Feb 12, 2026
Morlej
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May 15, 2026
…vals Correctness fixes (review items 1-5): - awslabs#1: push-computation-to-constant — use NUMERIC column 'amount' to avoid integer division non-equivalence - awslabs#2: not-in-to-not-exists — add NULL semantics warning (NOT EXISTS does not preserve NOT IN's NULL-propagation; MUST confirm with user) - awslabs#3/awslabs#4: subquery-unnesting — prefer EXISTS form (true semi-join); document uniqueness precondition for JOIN+DISTINCT alternative - awslabs#5: subquery-unnesting-scalar — add COALESCE(s_count, 0) for COUNT/SUM (LEFT JOIN returns NULL, scalar returns 0) Dangling reference fixes (review items 6-8): - awslabs#6: workflow.md trigger table — "Phase 5" → reassessment re-entry - awslabs#7: Replace all "implicit cast compatibility matrix" references with "pg_amop query in catalog-queries.md" - awslabs#8: plan-interpretation.md L202 — fix cast-vs-operator contradiction Structural fixes (review items 9-14, 24): - awslabs#9: Hedge "integer family" claim with "at time of writing" + verify - awslabs#10: amopmethod=10003 — add provenance comment and verification SQL - awslabs#11: catalog-queries.md TOC — add 3 missing sections - awslabs#12: plan-interpretation.md TOC — add Type Coercion section - awslabs#13: SKILL.md — explicitly delegate routing to workflow.md - awslabs#24: workflow.md — remove em dashes from headings for clean anchors Other fixes (review items 21-23): - awslabs#21: reltuples-estimate — add staleness warning (MUST warn user) - awslabs#22: catalog-queries — add safe_query.build() note for placeholders - awslabs#23: "Skip when" → "SHOULD skip when" in all rewrite files Eval improvements (review items 14, 16): - awslabs#14: README — add query_plan_rewrite_evals to directory tree and eval section - awslabs#16: Add evals 206-210 covering LEFT JOIN, computation push, NOT IN with NULL warning, nested UNION ALL, and negative case (OR across different columns) - awslabs#7 (eval): Update eval 201 expectation — pg_amop instead of matrix Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
anwesham-lab
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May 26, 2026
…vals Correctness fixes (review items 1-5): - awslabs#1: push-computation-to-constant — use NUMERIC column 'amount' to avoid integer division non-equivalence - awslabs#2: not-in-to-not-exists — add NULL semantics warning (NOT EXISTS does not preserve NOT IN's NULL-propagation; MUST confirm with user) - awslabs#3/awslabs#4: subquery-unnesting — prefer EXISTS form (true semi-join); document uniqueness precondition for JOIN+DISTINCT alternative - awslabs#5: subquery-unnesting-scalar — add COALESCE(s_count, 0) for COUNT/SUM (LEFT JOIN returns NULL, scalar returns 0) Dangling reference fixes (review items 6-8): - awslabs#6: workflow.md trigger table — "Phase 5" → reassessment re-entry - awslabs#7: Replace all "implicit cast compatibility matrix" references with "pg_amop query in catalog-queries.md" - awslabs#8: plan-interpretation.md L202 — fix cast-vs-operator contradiction Structural fixes (review items 9-14, 24): - awslabs#9: Hedge "integer family" claim with "at time of writing" + verify - awslabs#10: amopmethod=10003 — add provenance comment and verification SQL - awslabs#11: catalog-queries.md TOC — add 3 missing sections - awslabs#12: plan-interpretation.md TOC — add Type Coercion section - awslabs#13: SKILL.md — explicitly delegate routing to workflow.md - awslabs#24: workflow.md — remove em dashes from headings for clean anchors Other fixes (review items 21-23): - awslabs#21: reltuples-estimate — add staleness warning (MUST warn user) - awslabs#22: catalog-queries — add safe_query.build() note for placeholders - awslabs#23: "Skip when" → "SHOULD skip when" in all rewrite files Eval improvements (review items 14, 16): - awslabs#14: README — add query_plan_rewrite_evals to directory tree and eval section - awslabs#16: Add evals 206-210 covering LEFT JOIN, computation push, NOT IN with NULL warning, nested UNION ALL, and negative case (OR across different columns) - awslabs#7 (eval): Update eval 201 expectation — pg_amop instead of matrix Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Add GitHub CoPilot Custom Instructions
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https://docs.github.com/en/copilot/how-tos/configure-custom-instructions/add-repository-instructions
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