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mdl_customcert_elements
MIGRATECore learning content / activity / progress / assessment · 16 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 | |
| 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 |
| name | varchar(255) | Not null | '' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| element | varchar(255) | Not null | '' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| data | longtext | Nullable | Transform text/JSON/HTML as appropriate; sanitize and rewrite embedded Moodle URLs/file references. | High: verify semantics/relationship/security | |
| font | varchar(255) | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| fontsize | bigint | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| colour | varchar(50) | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| posx | bigint | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| posy | bigint | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| width | bigint | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| refpoint | smallint | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| alignment | varchar(1) | Not null | 'L' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| sequence | bigint | Nullable | 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 |