21 lines
1.2 KiB
SQL
21 lines
1.2 KiB
SQL
-- sql/134-transceiver-ff-speed-errors.sql
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-- LUPO-34: data-quality curation view for physically-impossible form_factor x speed
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-- combinations. An SFP-class module (SFP/SFP+/SFP28/XFP/GBIC/CSFP) tops out at 25-28G,
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-- so speed_gbps >= 50 on such a form factor is a misclassification (surfaced in Lupo's
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-- per-SKU price panel as flagged rows). Evidence-based (physics), NOT name-derived.
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-- Read-only; the exact corrected speed needs the vendor datasheet (data-owner task).
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-- SFP-DD / SFP112 legitimately carry >=100G and are intentionally NOT flagged.
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create or replace view v_transceiver_ff_speed_errors as
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select t.id, v.name as vendor, t.part_number, t.speed_gbps, t.form_factor
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from transceivers t
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left join vendors v on v.id = t.vendor_id
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where upper(coalesce(t.form_factor, '')) in ('SFP', 'SFP+', 'SFP28', 'XFP', 'GBIC', 'CSFP')
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and t.speed_gbps >= 50;
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comment on view v_transceiver_ff_speed_errors is
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'LUPO-34: SFP-class parts with an impossible speed (>=50G). Data-quality curation list; exact correction needs the datasheet.';
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-- Usage:
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-- select count(*) from v_transceiver_ff_speed_errors; -- total to curate
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-- select vendor, count(*) from v_transceiver_ff_speed_errors group by 1 order by 2 desc;
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