Struct mysql::LocalInfileHandler
source · pub struct LocalInfileHandler(_);
Expand description
Callback to handle requests for local files. Consult Mysql documentation for the format of local infile data.
Support
Note that older versions of Mysql server may not support this functionality.
use mysql::prelude::Queryable;
conn.query_drop("CREATE TEMPORARY TABLE mysql.tbl(a TEXT)").unwrap();
conn.set_local_infile_handler(Some(
LocalInfileHandler::new(|file_name, writer| {
writer.write_all(b"row1: file name is ")?;
writer.write_all(file_name)?;
writer.write_all(b"\n")?;
writer.write_all(b"row2: foobar\n")
})
));
match conn.query_drop("LOAD DATA LOCAL INFILE 'file_name' INTO TABLE mysql.tbl") {
Ok(_) => (),
Err(Error::MySqlError(ref e)) if e.code == 1148 => {
// functionality is not supported by the server
return;
}
err => {
err.unwrap();
}
}
let mut row_num = 0;
let result: Vec<String> = conn.query("SELECT * FROM mysql.tbl").unwrap();
assert_eq!(
result,
vec!["row1: file name is file_name".to_string(), "row2: foobar".to_string()],
);
Implementations
Trait Implementations
sourceimpl Clone for LocalInfileHandler
impl Clone for LocalInfileHandler
sourcefn clone(&self) -> LocalInfileHandler
fn clone(&self) -> LocalInfileHandler
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresourceimpl Debug for LocalInfileHandler
impl Debug for LocalInfileHandler
sourceimpl PartialEq<LocalInfileHandler> for LocalInfileHandler
impl PartialEq<LocalInfileHandler> for LocalInfileHandler
sourcefn eq(&self, other: &LocalInfileHandler) -> bool
fn eq(&self, other: &LocalInfileHandler) -> bool
impl Eq for LocalInfileHandler
Auto Trait Implementations
impl RefUnwindSafe for LocalInfileHandler
impl Send for LocalInfileHandler
impl Sync for LocalInfileHandler
impl Unpin for LocalInfileHandler
impl UnwindSafe for LocalInfileHandler
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
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Mutably borrows from an owned value. Read more
impl<T> FmtForward for T
impl<T> FmtForward for T
fn fmt_binary(self) -> FmtBinary<Self>where
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Self: Binary,
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Self: Display,
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Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,
fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,
fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,
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Self: Octal,
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Self: Octal,
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Self: UpperHex,
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Self: UpperHex,
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&'a Self: for<'a> IntoIterator,
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&'a Self: for<'a> IntoIterator,
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U: LiftFrom<T, I>,
impl<T, U, I> LiftInto<U, I> for Twhere
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fn lift_into(self) -> U
fn lift_into(self) -> U
Performs the indexed conversion.
impl<T> Pipe for Twhere
T: ?Sized,
impl<T> Pipe for Twhere
T: ?Sized,
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Self: Sized,
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R: 'a,
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R: 'a,
Borrows
self
and passes that borrow into the pipe function. Read morefn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
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R: 'a,
Mutably borrows
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&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
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&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
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