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mdl_lesson_answers
MIGRATECore learning content / activity / progress / assessment · 13 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 | |
| lessonid | bigint | Not null | '0' | Resolve to target foreign key via source-ID crosswalk; do not assume numeric IDs match target IDs. | High: verify semantics/relationship/security |
| pageid | bigint | Not null | '0' | Resolve to target foreign key via source-ID crosswalk; do not assume numeric IDs match target IDs. | High: verify semantics/relationship/security |
| jumpto | bigint | Not null | '0' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| grade | smallint | Not null | '0' | Map through explicit enum/boolean translation; retain source value and test edge cases. | High: verify semantics/relationship/security |
| score | bigint | Not null | '0' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| flags | smallint | Not null | '0' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| timecreated | bigint | Not null | '0' | Convert Unix epoch to UTC timestamp; verify 0/null sentinel and date semantics. | Schema-only inference |
| timemodified | bigint | Not null | '0' | Convert Unix epoch to UTC timestamp; verify 0/null sentinel and date semantics. | Schema-only inference |
| answer | longtext | Nullable | Transform text/JSON/HTML as appropriate; sanitize and rewrite embedded Moodle URLs/file references. | Schema-only inference | |
| answerformat | tinyint | Not null | '0' | Transform text/JSON/HTML as appropriate; sanitize and rewrite embedded Moodle URLs/file references. | Schema-only inference |
| response | longtext | Nullable | Transform text/JSON/HTML as appropriate; sanitize and rewrite embedded Moodle URLs/file references. | Schema-only inference | |
| responseformat | tinyint | Not null | '0' | Transform text/JSON/HTML as appropriate; sanitize and rewrite embedded Moodle URLs/file references. | Schema-only inference |