@Retention(value=RUNTIME)
@Target(value=FIELD)
public @interface LibraryOperator
SqlLibraryOperatorTableFactory
to
add functions and operators to a library.
Typically, such collections are associated with a particular dialect or
database. For example, SqlLibrary.ORACLE
is a collection of functions
that are in the Oracle database but not the SQL standard.
In SqlLibraryOperatorTableFactory
this annotation is applied to
function definitions to include them in a particular library. It allows
an operator to belong to more than one library.
Modifier and Type | Required Element and Description |
---|---|
SqlLibrary[] |
libraries
The set of libraries that this function or operator belongs to.
|
public abstract SqlLibrary[] libraries
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