pub struct MySQLTextSourceParser<'a> { /* private fields */ }
Implementations§
source§impl<'a> MySQLTextSourceParser<'a>
impl<'a> MySQLTextSourceParser<'a>
pub fn new( iter: QueryResult<'a, 'a, 'a, Text>, schema: &[MySQLTypeSystem], ) -> Self
Trait Implementations§
source§impl<'a> PartitionParser<'a> for MySQLTextSourceParser<'a>
impl<'a> PartitionParser<'a> for MySQLTextSourceParser<'a>
type TypeSystem = MySQLTypeSystem
type Error = MySQLSourceError
source§fn fetch_next(&mut self) -> Result<(usize, bool), MySQLSourceError>
fn fetch_next(&mut self) -> Result<(usize, bool), MySQLSourceError>
Fetch next batch of rows from database, return (number of rows fetched to local, whether all rows are fechted from database).
There might be rows that are not consumed yet when calling the next fetch_next.
The function might be called even after the last batch is fetched.
source§fn parse<'r, T>(&'r mut self) -> Result<T, <Self as PartitionParser<'a>>::Error>where
T: TypeAssoc<Self::TypeSystem>,
Self: Produce<'r, T, Error = <Self as PartitionParser<'a>>::Error>,
fn parse<'r, T>(&'r mut self) -> Result<T, <Self as PartitionParser<'a>>::Error>where
T: TypeAssoc<Self::TypeSystem>,
Self: Produce<'r, T, Error = <Self as PartitionParser<'a>>::Error>,
Read a value
T
by calling Produce<T>::produce
. Usually this function does not need to be
implemented.source§impl<'r, 'a> Produce<'r, Decimal> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, Decimal> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<Decimal, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, NaiveDate> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, NaiveDate> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<NaiveDate, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, NaiveDateTime> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, NaiveDateTime> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<NaiveDateTime, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, NaiveTime> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, NaiveTime> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<NaiveTime, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, Option<Decimal>> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, Option<Decimal>> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<Option<Decimal>, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, Option<NaiveDateTime>> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, Option<NaiveDateTime>> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<Option<NaiveDateTime>, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, String> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, String> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<String, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, Value> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, Value> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<Value, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, f32> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, f32> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<f32, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, f64> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, f64> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<f64, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, i16> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, i16> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<i16, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, i32> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, i32> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<i32, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, i64> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, i64> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<i64, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, i8> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, i8> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<i8, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, u16> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, u16> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<u16, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, u32> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, u32> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<u32, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, u64> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, u64> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<u64, MySQLSourceError>
source§impl<'r, 'a> Produce<'r, u8> for MySQLTextSourceParser<'a>
impl<'r, 'a> Produce<'r, u8> for MySQLTextSourceParser<'a>
type Error = MySQLSourceError
fn produce(&'r mut self) -> Result<u8, MySQLSourceError>
Auto Trait Implementations§
impl<'a> Freeze for MySQLTextSourceParser<'a>
impl<'a> !RefUnwindSafe for MySQLTextSourceParser<'a>
impl<'a> Send for MySQLTextSourceParser<'a>
impl<'a> Sync for MySQLTextSourceParser<'a>
impl<'a> Unpin for MySQLTextSourceParser<'a>
impl<'a> !UnwindSafe for MySQLTextSourceParser<'a>
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