In fact, the route handler we wrote is the same as the default behavior of the Shorthand equivalent, meaning we can switch to using that: - this.get('/movies/:id', (schema, request) => { - let id = request.param
Matches are done # with "logical and" meaning it must match all specified matchers. # Boolean values are only checked if all the string specifiers match first, # and they must always match. # # Not shown here: db_type is the database type and a very useful matcher # We can also ...
h2indicates that the database is an H2 database. memspecifies that the database is in-memory, meaning the data will only exist in memory and will be lost when the application stops. testis the name of the database. org.h2.Driverspecifies the H2 JDBC driver to be used for establishing t...
Two enum types supported by JPA, EnumType.STRING vs EnumType.ORDINAL (integer stored in database). When using EnumType.ORDINAL, any new enum elements must be added to the end of the list or you will accidentally change the meaning of all your records as the order represents the enum int...
The old syntax to query for partial objects now has a different meaning. This is best illustrated by an example. If you previously had a DQL query like this:[sql] SELECT u.id, u.name FROM User u Since BETA1, simple state field path expressions in the select clause are used to select...
A full list of PRAGMA settings, their meaning and accepted values can be found in the SQLite documentation: http://sqlite.org/pragma.html Recommended Settings The following settings are what I use with SQLite for a typical web application database. pragma recommended setting explanation journal...
store (bool)– whether the field is stored in database (default:True, False for computed fields) group_operator (str)– aggregate function used by read_group() when grouping on this field. Supported aggregate functions are: array_agg : values, including nulls, concatenated into an array cou...
Object-relational mapping (ORM) is a programming technique in which a metadata descriptor is used to connect object code to a relational database. Object code is written in object-oriented programming (OOP) languages such as Java or C#. ORM converts data between type systems that are unable ...
You may define a primaryKey property to override this convention. Likewise, you may define a connection property to override the name of the database connection that should be used when utilizing the model.Once a model is defined, you are ready to start retrieving and creating records in your...
db_decimals int Number of decimals the value in the database has, if different from the specification in "data_type". null bool Whether null is allowed as a value, default true character_maximum_length int The maximum number of characters allowed for a string data type (varchar, text, ...