Module barrel::types

Types constructor module

Structs

• Type
  A database column type and all the metadata attached to it
• WrapVec
  A smol wrapper around Vec<T> to get around the orphan rules

Enums

• BaseType
  Core type enum, describing the basic type
• Constraint
• WrappedDefault

Functions

• array
  Create an array of inner types
• binary
  Embed binary data
• boolean
  A boolean data type (true, false)
• char
  A fixed-length string type
• custom
  Any custom SQL type that is embedded into a migration
• date
  An SQL date type
• datetime
  An SQL datetime type
• double
  A 64-bit floating point type
• float
  A 32-bit floating point type
• foreign
  Create a column that points to some foreign table
• foreign_constraint
  Create a constraint that points to some foreign table
• foreign_schema
  Like foreign(...) but letting you provide an external schema
• index
  Create an index over multiple, existing columns of the same type
• integer
  Create a basic integer type
• json
  A json-type column – not supported by all backends
• null
• primary
  A standard primary numeric key type
• primary_constraint
  Create a primary key over multiple, existing columns of the same type
• serial
  Create an auto-incrementing integer type
• text
  A variable-length string type
• time
  An SQL time type
• unique_constraint
  Create a constraint over multiple, existing columns of the same type
• uuid
  A (standardised) UUID primary key type
• varchar
  A variable-length string type