139 lines
3.4 KiB
Rust
139 lines
3.4 KiB
Rust
use crate::sql::statements::info::InfoStructure;
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use crate::sql::{fmt::Fmt, Table, Value};
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use revision::revisioned;
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use serde::{Deserialize, Serialize};
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use std::fmt::{self, Display, Formatter};
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#[revisioned(revision = 1)]
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#[derive(Clone, Debug, Eq, PartialEq, PartialOrd, Serialize, Deserialize, Hash)]
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#[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
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#[non_exhaustive]
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pub enum Kind {
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Any,
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Null,
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Bool,
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Bytes,
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Datetime,
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Decimal,
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Duration,
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Float,
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Int,
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Number,
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Object,
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Point,
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String,
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Uuid,
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Record(Vec<Table>),
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Geometry(Vec<String>),
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Option(Box<Kind>),
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Either(Vec<Kind>),
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Set(Box<Kind>, Option<u64>),
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Array(Box<Kind>, Option<u64>),
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}
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impl Default for Kind {
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fn default() -> Self {
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Self::Any
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}
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}
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impl Kind {
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fn is_any(&self) -> bool {
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matches!(self, Kind::Any)
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}
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// return the kind of the contained value.
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//
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// For example: for `array<number>` or `set<number>` this returns `number`.
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// For `array<number> | set<float>` this returns `number | float`.
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pub(crate) fn inner_kind(&self) -> Option<Kind> {
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let mut this = self;
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loop {
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match &this {
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Kind::Any
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| Kind::Null
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| Kind::Bool
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| Kind::Bytes
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| Kind::Datetime
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| Kind::Decimal
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| Kind::Duration
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| Kind::Float
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| Kind::Int
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| Kind::Number
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| Kind::Object
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| Kind::Point
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| Kind::String
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| Kind::Uuid
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| Kind::Record(_)
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| Kind::Geometry(_) => return None,
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Kind::Option(x) => {
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this = x;
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}
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Kind::Array(x, _) | Kind::Set(x, _) => return Some(x.as_ref().clone()),
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Kind::Either(x) => {
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// a either shouldn't be able to contain a either itself so recursing here
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// should be fine.
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let kinds: Vec<Kind> = x.iter().filter_map(Self::inner_kind).collect();
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if kinds.is_empty() {
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return None;
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}
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return Some(Kind::Either(kinds));
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}
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}
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}
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}
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}
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impl From<&Kind> for Box<Kind> {
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#[inline]
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fn from(v: &Kind) -> Self {
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Box::new(v.clone())
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}
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}
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impl Display for Kind {
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fn fmt(&self, f: &mut Formatter) -> fmt::Result {
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match self {
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Kind::Any => f.write_str("any"),
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Kind::Null => f.write_str("null"),
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Kind::Bool => f.write_str("bool"),
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Kind::Bytes => f.write_str("bytes"),
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Kind::Datetime => f.write_str("datetime"),
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Kind::Decimal => f.write_str("decimal"),
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Kind::Duration => f.write_str("duration"),
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Kind::Float => f.write_str("float"),
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Kind::Int => f.write_str("int"),
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Kind::Number => f.write_str("number"),
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Kind::Object => f.write_str("object"),
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Kind::Point => f.write_str("point"),
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Kind::String => f.write_str("string"),
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Kind::Uuid => f.write_str("uuid"),
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Kind::Option(k) => write!(f, "option<{}>", k),
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Kind::Record(k) => match k {
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k if k.is_empty() => write!(f, "record"),
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k => write!(f, "record<{}>", Fmt::verbar_separated(k)),
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},
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Kind::Geometry(k) => match k {
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k if k.is_empty() => write!(f, "geometry"),
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k => write!(f, "geometry<{}>", Fmt::verbar_separated(k)),
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},
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Kind::Set(k, l) => match (k, l) {
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(k, None) if k.is_any() => write!(f, "set"),
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(k, None) => write!(f, "set<{k}>"),
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(k, Some(l)) => write!(f, "set<{k}, {l}>"),
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},
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Kind::Array(k, l) => match (k, l) {
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(k, None) if k.is_any() => write!(f, "array"),
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(k, None) => write!(f, "array<{k}>"),
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(k, Some(l)) => write!(f, "array<{k}, {l}>"),
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},
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Kind::Either(k) => write!(f, "{}", Fmt::verbar_separated(k)),
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}
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}
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}
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impl InfoStructure for Kind {
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fn structure(self) -> Value {
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self.to_string().into()
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}
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}
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