4 | Field | Description | Type | Null | Key | Default | Extra |
5 |--------------------|------------------|------------------|------|-----|---------|----------------|
6 | id | sequential ID | int(11) | NO | PRI | NULL | auto_increment |
7 | notify-id | | int(11) | NO | | 0 | |
8 | master-parent-item | | int(10) unsigned | NO | MUL | 0 | |
9 | parent-item | | int(10) unsigned | NO | | 0 | |
10 | receiver-uid | | int(11) | NO | MUL | 0 | |
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