[SIP] Correct totals/subtotals for non-additive metrics (Table + Pivot)#41184

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rusackas:sip-non-additive-totals

Commits on Jun 18, 2026

docs(sip): draft SIP for non-additive metric totals/subtotals

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docs(sip): note #34592 is frontend-only multi-query; clarify salvage

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test(charts): TDD matrix for non-additive metric totals (red)

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test(charts): integration TDD for table summary non-additive totals

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test(charts): fix distinct-total guard to use overlapping dimension

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fix(table): retain post-processing on summary query for percent metrics

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feat(pivot): adopt buildGroupbyCombinations rollup generator (phase 2)

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docs(sip): detail remaining phase-2 rendering-layer work

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test(pivot): pin non-additive total bug against real Sum aggregator

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feat(pivot): compute totals via per-level rollup queries (phase 2)

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docs(sip): mark pivot phase-2 engineering complete; note phase-3 perf work

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Commits on Jun 19, 2026

fix(pivot): fill metric-collapse totals; verify non-additive totals in-app

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docs(sip): metric-collapse gap fixed and re-verified in-app (all totals correct)

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feat(pivot): phase-3 perf foundations - additivity + grouping-sets capability

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perf(pivot): prune rollup queries to only enabled totals/subtotals

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perf(pivot): additive fast-path - single query + client-side rollup synthesis

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feat(pivot): GROUPING SETS SQL primitives for single-query rollup (phase 3b)

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