sqlx_core_oldapi/odbc/
arguments.rs

1use crate::arguments::Arguments;
2use crate::encode::Encode;
3use crate::odbc::{Odbc, OdbcTypeInfo};
4use crate::types::Type;
5
6#[derive(Default, Debug)]
7pub struct OdbcArguments {
8    pub(crate) values: Vec<OdbcArgumentValue>,
9}
10
11#[derive(Debug, Clone, PartialEq)]
12pub enum OdbcArgumentValue {
13    Text(String),
14    Bytes(Vec<u8>),
15    Int(i64),
16    UInt(u64),
17    Float(f64),
18    Date(odbc_api::sys::Date),
19    Time(odbc_api::sys::Time),
20    Timestamp(odbc_api::sys::Timestamp),
21    Null(OdbcTypeInfo),
22}
23
24impl<'q> Arguments<'q> for OdbcArguments {
25    type Database = Odbc;
26
27    fn reserve(&mut self, additional: usize, _size: usize) {
28        self.values.reserve(additional);
29    }
30
31    fn add<T>(&mut self, value: T)
32    where
33        T: 'q + Send + Encode<'q, Self::Database> + Type<Self::Database>,
34    {
35        let _ = value.encode(&mut self.values);
36    }
37}
38
39// Encode implementations are now in the types module
40
41impl<'q, T> Encode<'q, Odbc> for Option<T>
42where
43    T: Encode<'q, Odbc> + Type<Odbc> + 'q,
44{
45    fn produces(&self) -> Option<crate::odbc::OdbcTypeInfo> {
46        if let Some(v) = self {
47            v.produces()
48        } else {
49            T::type_info().into()
50        }
51    }
52
53    fn encode(self, buf: &mut Vec<OdbcArgumentValue>) -> crate::encode::IsNull {
54        match self {
55            Some(v) => v.encode(buf),
56            None => {
57                buf.push(OdbcArgumentValue::Null(T::type_info()));
58                crate::encode::IsNull::Yes
59            }
60        }
61    }
62
63    fn encode_by_ref(&self, buf: &mut Vec<OdbcArgumentValue>) -> crate::encode::IsNull {
64        match self {
65            Some(v) => v.encode_by_ref(buf),
66            None => {
67                buf.push(OdbcArgumentValue::Null(T::type_info()));
68                crate::encode::IsNull::Yes
69            }
70        }
71    }
72
73    fn size_hint(&self) -> usize {
74        self.as_ref().map_or(0, Encode::size_hint)
75    }
76}
sqlx_core_oldapi/odbc/arguments.rs

sqlx_core_oldapi/odbc/
arguments.rs
