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MIGRATECore learning content / activity / progress / assessment · 5 columnsProposed target
Transform into target course, module, attempt, grade, completion, credential and content models
Migration rule
Preserve history and relationships; retain original IDs in legacy_id fields
Verification required
Plugin behavior, attempt state, grading rules, file references and completion logic require application-level verification
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 | |
| backpackid | 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 | |
| collectionid | 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 | |
| entityid | varchar(255) | Nullable | Resolve to target foreign key via source-ID crosswalk; do not assume numeric IDs match target IDs. | High: verify semantics/relationship/security | |
| assertion | longtext | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |