Struct mysql::LocalInfileHandler [−][src]
pub struct LocalInfileHandler(_);
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.
conn.query("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("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; for (row_idx, row) in conn.query("SELECT * FROM mysql.tbl").unwrap().enumerate() { row_num = row_idx + 1; let row: (String,) = from_row(row.unwrap()); match row_num { 1 => assert_eq!(row.0, "row1: file name is file_name"), 2 => assert_eq!(row.0, "row2: foobar"), _ => unreachable!(), } } assert_eq!(row_num, 2);
Methods
impl LocalInfileHandler
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impl LocalInfileHandler
pub fn new<F>(f: F) -> Self where
F: for<'a> FnMut(&'a [u8], &'a mut LocalInfile) -> Result<()> + Send + 'static,
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pub fn new<F>(f: F) -> Self where
F: for<'a> FnMut(&'a [u8], &'a mut LocalInfile) -> Result<()> + Send + 'static,
Trait Implementations
impl Clone for LocalInfileHandler
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impl Clone for LocalInfileHandler
fn clone(&self) -> LocalInfileHandler
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fn clone(&self) -> LocalInfileHandler
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
1.0.0
[src]Performs copy-assignment from source
. Read more
impl PartialEq for LocalInfileHandler
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impl PartialEq for LocalInfileHandler
fn eq(&self, other: &LocalInfileHandler) -> bool
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fn eq(&self, other: &LocalInfileHandler) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Rhs) -> bool
1.0.0[src]
fn ne(&self, other: &Rhs) -> bool
1.0.0
[src]This method tests for !=
.
impl Eq for LocalInfileHandler
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impl Eq for LocalInfileHandler
impl Debug for LocalInfileHandler
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impl Debug for LocalInfileHandler
Auto Trait Implementations
impl Send for LocalInfileHandler
impl Send for LocalInfileHandler
impl Sync for LocalInfileHandler
impl Sync for LocalInfileHandler