Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| source_id | BIGINT | 19 | null |
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| source | VARCHAR | 255 | Notification |
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| user_id | INT | 10 | null |
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| version | BIGINT | 19 | null |
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| last_received_message_id | BIGINT | 19 | √ | null |
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| subscription | VARCHAR | 16 | null |
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Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc/Asc/Asc | source_id + source + user_id |
| FK_nup_last_received_message_id | Performance | Asc | last_received_message_id |
| FK_nup_user_id | Performance | Asc | user_id |
Relationships
Close relationships within degrees of separation
