Module assembly_fdb::core

The data structures for representing the file/database.

An FDB file is layed out as a hash map. The top level is a list of tables, lexically ordered by their name (all uppercase names before all lowercase ones).

Each table consists of an array of Buckets, where each bucket Corresponds to one hash value of the primary column.

Each bucket consists of a list of rows. These rows may be sorted in ascending order of primary keys, but that is not fully verified.

Each row contains a vector of fields, with a data type and respective data.

Each Table has a list of columns with the names and default data Types corresponding to the layout of each row.

Modules

• iter
  Implementations of IntoIterator for the core model
• loader
  General-Purpose file loader

Structs

• Bucket
  A container of rows with the same hash value
• Column
  Name and default type for one field in each row
• MemContext
  The context for mem::Field
• OwnedContext
  The Value context for core::Field
• Row
  A sequence of fields
• Schema
  An ordered map of tables
• Table
  A list of buckets and thus collection of rows with a name
• TableData
  An array of buckets, and a collection of rows
• TableDef
  A list of columns with types and a name

Enums

• Value
  A single field value in the database
• ValueType
  Value datatypes used in the database

Traits

• Context
  Type-Parameters to Value
• ValueMapperMut
  Trait for mapping value from one context to another

Type Aliases

• Field
  An owned field value