Constructor
new Update(from, model)
Initialize the Query.
Parameters:
| Name | Type | Description |
|---|---|---|
from |
From | A From instance. |
model |
Object | An object containing key-value pairs. Each key must correspond to a fully-qualified column name, as created by the Column.createFQColName() method (<table-alias>.<column-name>), and each associated value is the value to update in the database. |
- Source:
Extends
Members
database
Properties:
| Name | Type | Description |
|---|---|---|
database |
Database | A database instance. |
escaper |
Escaper | An instance of an Escaper class that can escape query parts. |
queryExecuter |
QueryExecuter | An instance of a QueryExecuter that can execute CRUD operations. |
- Inherited From:
- Source:
Methods
buildQuery() → {Query~QueryMeta}
Build the query.
- Inherited From:
- Source:
Returns:
The string-representation of the query to
execute along with any query parameters.
- Type
- Query~QueryMeta
execute() → {Promise.<object>}
Execute the query.
- Source:
Returns:
A promise that shall be resolved with an
object containing an "affectedRows" property. If an error occurs when
executing the query, the returned promise shall be rejected with the
error (unmodified).
- Type
- Promise.<object>
toString() → {string}
Create the UPDATE SQL statement.
- Source:
Returns:
The UPDATE statement, as a SQL string.
- Type
- string