merge_empty_keys: Merge relation schemas with empty keys

In autodb: Automatic Database Normalisation for Data Frames

Merge relation schemas with empty keys

Description

Merges an object's schemas with empty keys. The remaining such schema contains all attributes contained in such schemas.

Usage

merge_empty_keys(x)

Arguments

x	a relational schema object, such as a relation_schema or database_schema object.

Details

This function is not itself generic, but makes use of the generic functions keys and merge_schemas. Any input class with valid methods for these generic functions can be passed into this function.

For database_schema objects, references involving the schemas with empty keys are updated to refer to the merged schema.

Value

An R object of the same class as x, where relations with an empty key have been merged into a single relation.

See Also

merge_schemas, on which this function is based.

autodb documentation built on April 4, 2025, 5:12 a.m.