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mdl_customfield_data
INVESTIGATEUnclassified Moodle core/plugin table · 13 columnsProposed target
Owner decision: migrate, transform, archive or exclude
Migration rule
No safe target inferred from schema name alone
Verification required
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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 | |
| fieldid | 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 | |
| instanceid | 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 | |
| intvalue | bigint | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| decvalue | decimal(10,5) | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| shortcharvalue | varchar(255) | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| charvalue | varchar(1333) | Nullable | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| value | longtext | Not null | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| valueformat | bigint | Not null | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference | |
| valuetrust | tinyint | 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 | Convert Unix epoch to UTC timestamp; verify 0/null sentinel and date semantics. | Schema-only inference | |
| timemodified | bigint | Not null | Convert Unix epoch to UTC timestamp; verify 0/null sentinel and date semantics. | Schema-only inference | |
| contextid | bigint | Nullable | Resolve to target foreign key via source-ID crosswalk; do not assume numeric IDs match target IDs. | High: verify semantics/relationship/security |