sqlx_exasol/types/
uuid.rs

1use serde::Deserialize;
2use sqlx_core::{
3    decode::Decode,
4    encode::{Encode, IsNull},
5    error::BoxDynError,
6    types::Type,
7};
8use uuid::Uuid;
9
10use crate::{
11    arguments::ExaBuffer,
12    database::Exasol,
13    type_info::{ExaDataType, ExaTypeInfo, HashType},
14    value::ExaValueRef,
15};
16
17impl Type<Exasol> for Uuid {
18    fn type_info() -> ExaTypeInfo {
19        ExaDataType::HashType(HashType {}).into()
20    }
21
22    fn compatible(ty: &ExaTypeInfo) -> bool {
23        <Self as Type<Exasol>>::type_info().compatible(ty)
24    }
25}
26
27impl Encode<'_, Exasol> for Uuid {
28    fn encode_by_ref(&self, buf: &mut ExaBuffer) -> Result<IsNull, BoxDynError> {
29        buf.append(self.simple())?;
30        Ok(IsNull::No)
31    }
32
33    fn produces(&self) -> Option<ExaTypeInfo> {
34        Some(ExaDataType::HashType(HashType {}).into())
35    }
36
37    fn size_hint(&self) -> usize {
38        // 16 bytes encoded as HEX, so double
39        32
40    }
41}
42
43impl Decode<'_, Exasol> for Uuid {
44    fn decode(value: ExaValueRef<'_>) -> Result<Self, BoxDynError> {
45        <Self as Deserialize>::deserialize(value.value).map_err(From::from)
46    }
47}
sqlx_exasol/types/uuid.rs

sqlx_exasol/types/
uuid.rs
