Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| issue_id | INT | 10 | √ | null |
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primary key for issues table |
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| borrowernumber | INT | 10 | null |
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foreign key, linking this to the borrowers table for the patron this item was checked out to |
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| issuer_id | INT | 10 | √ | null |
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foreign key, linking this to the borrowers table for the user who checked out this item |
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| itemnumber | INT | 10 | null |
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foreign key, linking this to the items table for the item that was checked out |
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| date_due | DATETIME | 19 | √ | null |
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datetime the item is due (yyyy-mm-dd hh:mm::ss) |
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| branchcode | VARCHAR | 10 | √ | null |
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foreign key, linking to the branches table for the location the item was checked out |
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| returndate | DATETIME | 19 | √ | null |
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date the item was returned, will be NULL until moved to old_issues |
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| checkin_library | VARCHAR | 10 | √ | null |
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library the item was checked in at |
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| lastreneweddate | DATETIME | 19 | √ | null |
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date the item was last renewed |
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| renewals_count | TINYINT | 3 | 0 |
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lists the number of times the item was renewed |
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| unseen_renewals | TINYINT | 3 | 0 |
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lists the number of consecutive times the item was renewed without being seen |
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| auto_renew | BIT | 0 | √ | 0 |
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automatic renewal |
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| auto_renew_error | VARCHAR | 32 | √ | null |
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automatic renewal error |
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| timestamp | TIMESTAMP | 19 | current_timestamp() |
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the date and time this record was last touched |
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| issuedate | DATETIME | 19 | √ | null |
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date the item was checked out or issued |
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| onsite_checkout | INT | 10 | 0 |
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in house use flag |
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| note | LONGTEXT | 2147483647 | √ | null |
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issue note text |
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| notedate | DATETIME | 19 | √ | null |
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datetime of issue note (yyyy-mm-dd hh:mm::ss) |
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| noteseen | INT | 10 | √ | null |
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describes whether checkout note has been seen 1, not been seen 0 or doesn’t exist null |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | issue_id |
| bordate | Performance | Asc/Asc | borrowernumber + timestamp |
| branchcode_idx | Performance | Asc | branchcode |
| issues_ibfk_borrowers_borrowernumber | Performance | Asc | issuer_id |
| issuesborridx | Performance | Asc | borrowernumber |
| itemnumber | Must be unique | Asc | itemnumber |
| itemnumber_idx | Performance | Asc | itemnumber |
Relationships
Close relationships within degrees of separation
