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use crate::decode::Decode;
use crate::encode::{Encode, IsNull};
use crate::error::BoxDynError;
use crate::mysql::io::MySqlBufMutExt;
use crate::mysql::protocol::text::{ColumnFlags, ColumnType};
use crate::mysql::{MySql, MySqlTypeInfo, MySqlValueRef};
use crate::types::Type;
const COLLATE_UTF8_GENERAL_CI: u16 = 33;
const COLLATE_UTF8_UNICODE_CI: u16 = 192;
const COLLATE_UTF8MB4_UNICODE_CI: u16 = 224;
const COLLATE_UTF8MB4_BIN: u16 = 46;
const COLLATE_UTF8MB4_GENERAL_CI: u16 = 45;
impl Type<MySql> for str {
fn type_info() -> MySqlTypeInfo {
MySqlTypeInfo {
r#type: ColumnType::VarString,
char_set: COLLATE_UTF8MB4_UNICODE_CI,
flags: ColumnFlags::empty(),
max_size: None,
}
}
fn compatible(ty: &MySqlTypeInfo) -> bool {
matches!(
ty.r#type,
ColumnType::VarChar
| ColumnType::Blob
| ColumnType::TinyBlob
| ColumnType::MediumBlob
| ColumnType::LongBlob
| ColumnType::String
| ColumnType::VarString
| ColumnType::Enum
) && matches!(
ty.char_set,
COLLATE_UTF8MB4_UNICODE_CI
| COLLATE_UTF8_UNICODE_CI
| COLLATE_UTF8_GENERAL_CI
| COLLATE_UTF8MB4_BIN
| COLLATE_UTF8MB4_GENERAL_CI
)
}
}
impl Encode<'_, MySql> for &'_ str {
fn encode_by_ref(&self, buf: &mut Vec<u8>) -> IsNull {
buf.put_str_lenenc(self);
IsNull::No
}
}
impl<'r> Decode<'r, MySql> for &'r str {
fn decode(value: MySqlValueRef<'r>) -> Result<Self, BoxDynError> {
value.as_str()
}
}
impl Type<MySql> for String {
fn type_info() -> MySqlTypeInfo {
<str as Type<MySql>>::type_info()
}
fn compatible(ty: &MySqlTypeInfo) -> bool {
<str as Type<MySql>>::compatible(ty)
}
}
impl Encode<'_, MySql> for String {
fn encode_by_ref(&self, buf: &mut Vec<u8>) -> IsNull {
<&str as Encode<MySql>>::encode(&**self, buf)
}
}
impl Decode<'_, MySql> for String {
fn decode(value: MySqlValueRef<'_>) -> Result<Self, BoxDynError> {
<&str as Decode<MySql>>::decode(value).map(ToOwned::to_owned)
}
}