Struct SystemTypeMetadata 

pub struct SystemTypeMetadata {
    pub name: Option<String>,
    pub supported_as_column: Option<bool>,
}

System specific metadata for use in mapping Substrait to and from the system representation. Common metadata fields are defined for use across dialects. Individual dialects may include additional metadata to serve their purposes.

JSON schema

{
 "description": "System specific metadata for use in mapping Substrait to and from the system representation. Common metadata fields are defined for use across dialects. Individual dialects may include additional metadata to serve their purposes.\n",
 "type": "object",
 "properties": {
   "name": {
     "description": "The name for this type in the system modelled by the dialect.\n",
     "type": "string"
   },
   "supported_as_column": {
     "description": "Whether this type can be used as a column in a table.  Types listed here are always supported as literals.\n",
     "type": "boolean"
   }
 },
 "additionalProperties": false
}

Fields

name: Option<String>

The name for this type in the system modelled by the dialect.

supported_as_column: Option<bool>

Whether this type can be used as a column in a table. Types listed here are always supported as literals.

Implementations

impl SystemTypeMetadata

pub fn builder() -> SystemTypeMetadata

Trait Implementations

impl Clone for SystemTypeMetadata

fn clone(&self) -> SystemTypeMetadata

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SystemTypeMetadata

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for SystemTypeMetadata

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for SystemTypeMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<&SystemTypeMetadata> for SystemTypeMetadata

fn from(value: &SystemTypeMetadata) -> Self

Converts to this type from the input type.

impl From<SystemTypeMetadata> for SystemTypeMetadata

fn from(value: SystemTypeMetadata) -> Self

Converts to this type from the input type.

impl Serialize for SystemTypeMetadata

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl TryFrom<SystemTypeMetadata> for SystemTypeMetadata

type Error = ConversionError

The type returned in the event of a conversion error.

fn try_from(value: SystemTypeMetadata) -> Result<Self, ConversionError>

Performs the conversion.