Defining An Entity
To get started with Quick, you need an entity. There are two ways to define an entity.
The first way is to extend quick.models.BaseEntity
.
The second way, in a ColdBox application, is to annotate your component with the quick
annotation.
This will use WireBox's Virtual Inheritance to accomplish the same as extending the BaseEntity
.
That's all that is needed to get started with Quick. There are a few defaults of Quick worth mentioning here.
Tables
We don't need to tell Quick what table name to use for our entity. By default, Quick uses the pluralized name of the component for the table name. That means for our User
entity Quick will assume the table name is users
. You can override this by specifying a table
metadata attribute on the component.
Primary Key
By default, Quick assumes a primary key of id
. The name of this key can be configured by setting variables.key
in your component.
Quick also assumes a key type that is auto-incrementing. If you would like a different key type, inject it as the `keyType` property. Quick ships with a `UUID` type that you can use as well.
keyType
can be any class that adheres to the keyType
interface, so feel free to create your own and distribute them via ForgeBox.
Columns
You specify what columns are retrieved by adding properties to your component.
Now, only the id
, username
, and email
columns will be retrieved.
Note: the primary key (
id
by default) will be retrieved regardless of the properties specified.
To prevent Quick from mapping a property to the database add the persistent="false"
attribute to the property.
If the column name in your table is not the column name you wish to use in quick, you can alias it using the column
metadata attribute.
Multiple datasource support
Quick uses a default datasource and default grammar, as described here. If you are using multiple datasources you can override default datasource by specifying a datasource
metadata attribute on the component. If your extra datasource has a different grammar you can override your grammar as well by specifying a grammar
attribute.
At the time of writing Valid grammar options are: MySQLGrammar
,PostgresGrammar
, MSSQLGrammar
and OracleGrammar
. Please check the qb docs for additional options.
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