Enum ColumnType 

pub enum ColumnType {
    String,
    Integer,
    Integer64,
    Decimal,
    Boolean,
    Date,
    DateTime,
    Instant,
    Time,
    Base64Binary,
    Json,
}

Data types supported by SQL on FHIR columns.

Variants

String

String/text values.

Integer

Integer values (FHIR integer, positiveInt, unsignedInt).

Integer64

64-bit integer values (FHIR integer64).

Decimal

Decimal/floating-point values.

Boolean

Boolean values.

Date

Date values (YYYY-MM-DD).

DateTime

DateTime values (ISO 8601).

Instant

Instant values (precise timestamp).

Time

Time values (HH:MM:SS).

Base64Binary

Base64 encoded binary data.

Json

JSON/complex object (when collection=true or complex type).

Implementations

impl ColumnType

pub fn from_fhir_type(type_str: &str) -> Self

Parse a column type from a string.

Returns String as the default type for unknown values.

pub fn from_ansi_type(type_str: &str) -> Self

Parse a column type from an ANSI SQL type name, as supplied by an ansi/type column tag overriding the inferred type. Unknown names fall back to String.

pub fn sql_type(&self) -> &'static str

Get the PostgreSQL type name for this column type. Used for the runtime value cast/decode; this is a Postgres dialect, not the ANSI default.

pub fn ansi_type(&self) -> &'static str

The default ANSI SQL (ISO/IEC 9075) type per the SQL-on-FHIR v2 spec’s type-mapping table. Temporal and decimal types map to CHARACTER VARYING to preserve the FHIR string representation; instant keeps timezone. https://build.fhir.org/ig/FHIR/sql-on-fhir-v2/StructureDefinition-ViewDefinition-notes.html

pub fn null_representation(&self) -> &'static str

Get the default value representation for null values.

Trait Implementations

impl Clone for ColumnType

fn clone(&self) -> ColumnType

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ColumnType

impl Debug for ColumnType

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

Formats the value using the given formatter.

impl Default for ColumnType

fn default() -> ColumnType

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ColumnType

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for ColumnType

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

Formats the value using the given formatter.

impl Eq for ColumnType

impl PartialEq for ColumnType

fn eq(&self, other: &ColumnType) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for ColumnType

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ColumnType