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mdl_mnet_session
EXCLUDETransient / runtime state · 9 columnsProposed target
Do not migrate; recreate runtime state
Migration rule
Sessions, locks, queues and caches are not business records
Verification required
Confirm no custom business meaning is hidden in plugin table
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 | '0' | Resolve to target foreign key via source-ID crosswalk; do not assume numeric IDs match target IDs. | High: verify semantics/relationship/security |
| username | varchar(100) | Not null | '' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| token | varchar(40) | Not null | '' | EXCLUDE from app migration; credential/secret handling requires security review. | High: verify semantics/relationship/security |
| mnethostid | 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 |
| useragent | varchar(40) | Not null | '' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| confirm_timeout | bigint | Not null | '0' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |
| session_id | varchar(40) | Not null | '' | Resolve to target foreign key via source-ID crosswalk; do not assume numeric IDs match target IDs. | High: verify semantics/relationship/security |
| expires | bigint | Not null | '0' | Map same-named field where semantics match; confirm target type, nullability, defaults and business meaning. | Schema-only inference |