Update

Performs a query to update data in a table.

Possible crash

To prevent accidental update of all rows, this will throw an error on execute() if no where() was defined.

To enable the update of all rows use force().

Methods

data()

→ (object = Object) → this

Updates all matching rows with the given object.

Parameters

Parameter	Type	Description
object	Object	The object with the data to update to. Keys represent column names.

Returns

→ this

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selectDatabase()

→ (database = String) → this

Selects a different database for this query.

Parameters

Parameter	Type	Description
database	String	Name of the database to select

Returns

→ this

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force()

→ () → this

Enables update of all rows.

Returns

→ this

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where()

→ (string = String, values = Array<any>) → this

Adds a where-clause to the query

• Values should be set as ? in the string and given in left-to-right order via the 'values'-array to minimize the risk of sql-injection
• If you are using joins, specify the table and column together: table.column

Parameters

Parameter	Type	Description
string	String	The where-clause as a string with ? representing each values.
values	Array<any>	Array containing values replacing the ? in the string (from left to right)

Returns

→ this

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execute()

async → () → OkPacket

Executes the prepared query.

Returns

→ OkPacket

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