[−][src]Trait diesel::sql_types::TypeMetadata
Information about how a backend stores metadata about given SQL types
Associated Types
type TypeMetadata
The actual type used to represent metadata.
On PostgreSQL, this is the type's OID. On MySQL and SQLite, this is an enum representing all storage classes they support.
type MetadataLookup
The type used for runtime lookup of metadata.
For most backends, which don't support user defined types, this will
be ()
.
Implementors
impl TypeMetadata for Mysql
[src]
impl TypeMetadata for Mysql
type TypeMetadata = MysqlType
type MetadataLookup = ()
impl TypeMetadata for Pg
[src]
impl TypeMetadata for Pg
type TypeMetadata = PgTypeMetadata
type MetadataLookup = PgMetadataLookup
impl TypeMetadata for Sqlite
[src]
impl TypeMetadata for Sqlite