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mdl_user_password_history
EXCLUDEAuthentication / secrets / security state · 4 columnsProposed target
Use IdP as source of identity; do not copy passwords, tokens or secrets
Migration rule
Security-sensitive credentials must not be migrated to app data store
Verification required
Verify IdP subject mapping, SSO claims, MFA policy, account-linking and revocation
Tracking
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| Column | Type | Null | Default | Target mapping | Risk |
|---|---|---|---|---|---|
| id | bigint | Not null | Preserve as legacy source ID; generate target PK unless target accepts stable legacy key. | High: verify semantics/relationship/security | |
| userid | bigint | Not null | Resolve to target foreign key via source-ID crosswalk; do not assume numeric IDs match target IDs. | High: verify semantics/relationship/security | |
| hash | varchar(255) | Not null | '' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| timecreated | bigint | Not null | Convert Unix epoch to UTC timestamp; verify 0/null sentinel and date semantics. | Schema-only inference |