d53acf53f4
Re-run of sql/125 Remediation C against the current v_transceiver_speed_errors gap (596 as of 2026-07-17, mostly Cisco Systems 230 + Juniper Networks 220). Same high-confidence-only logic: part-number speed token, capped at the form factor physical max, no blind updates. 339/596 recovered mechanically, 257 genuinely need datasheet work (GE/FE/OC-rate parts with no G-token). Verified the new switch-side (141) and transceiver-side (138) drift guards handled the 339 speed changes correctly: v_compat_speed_errors stayed at 0 throughout.
45 lines
2.2 KiB
SQL
45 lines
2.2 KiB
SQL
-- sql/142-speed-recovery-rerun.sql
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-- Re-run of sql/125's Remediation C (part-number speed token recovery) against
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-- the current genuine-optics speed gap (v_transceiver_speed_errors, 596 rows as
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-- of 2026-07-17). Same exact logic, same high-confidence-only design: derives
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-- speed_gbps from the manufacturer's standardized speed token in the part
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-- number, applied ONLY when it is <= the form factor's physical maximum. Parts
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-- whose token exceeds the form-factor cap or that have no speed token are left
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-- for datasheet work (596 -> ~248 after this, per the 2026-07-17 gap analysis:
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-- 348/596 had a regex-recoverable G-token, mostly Cisco Systems + Juniper).
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-- Idempotent, safe to re-run (no-ops on rows that already have a plausible
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-- speed).
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with cand as (
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select id,
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case
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when part_number ~* '([0-9]+)X([0-9]+)G'
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then (regexp_match(part_number,'([0-9]+)X([0-9]+)G','i'))[1]::numeric
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* (regexp_match(part_number,'([0-9]+)X([0-9]+)G','i'))[2]::numeric
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when part_number ~* '([0-9]+)SFP([0-9]+)G'
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then (regexp_match(part_number,'([0-9]+)SFP([0-9]+)G','i'))[1]::numeric
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* (regexp_match(part_number,'([0-9]+)SFP([0-9]+)G','i'))[2]::numeric
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when part_number ~* '([0-9]+)G'
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then (regexp_match(part_number,'([0-9]+)G','i'))[1]::numeric
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end as derived,
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case upper(coalesce(form_factor,''))
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when 'SFP' then 1 when 'SFP+' then 16 when 'SFP28' then 32 when 'SFP56' then 56
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when 'XFP' then 10 when 'QSFP+' then 40 when 'QSFP28' then 100 when 'QSFP56' then 200
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when 'QSFP-DD' then 800 when 'QSFP-DD800' then 800
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when 'OSFP' then 1600 when 'OSFP224' then 1600
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when 'CFP' then 100 when 'CFP2' then 400 when 'CFP4' then 100 when 'CPAK' then 100
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else 99999 end as ff_cap
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from transceivers
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where id in (select id from v_transceiver_speed_errors))
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update transceivers t
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set speed_gbps = c.derived,
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updated_at = now()
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from cand c
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where t.id = c.id
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and c.derived is not null and c.derived > 0
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and c.derived <= c.ff_cap;
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insert into _migrations (filename, applied_at)
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select '142-speed-recovery-rerun.sql', now()
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where not exists (select 1 from _migrations where filename = '142-speed-recovery-rerun.sql');
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