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Retrieve error message from database connection handle

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This commit is contained in:
gwenn
2021-07-04 16:53:40 +02:00
parent 10da56788c
commit 2dea70304d
2 changed files with 10 additions and 11 deletions
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8
src/backup.rs
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@@ -40,7 +40,7 @@ use std::time::Duration;
use crate::ffi; use crate::ffi;
use crate::error::{error_from_handle, error_from_sqlite_code}; use crate::error::error_from_handle;
use crate::{Connection, DatabaseName, Result}; use crate::{Connection, DatabaseName, Result};
impl Connection { impl Connection {
@@ -169,7 +169,7 @@ pub struct Progress {
/// A handle to an online backup. /// A handle to an online backup.
pub struct Backup<'a, 'b> { pub struct Backup<'a, 'b> {
phantom_from: PhantomData<&'a Connection>, phantom_from: PhantomData<&'a Connection>,
phantom_to: PhantomData<&'b Connection>, to: &'b Connection,
b: *mut ffi::sqlite3_backup, b: *mut ffi::sqlite3_backup,
} }
@@ -223,7 +223,7 @@ impl Backup<'_, '_> {
Ok(Backup { Ok(Backup {
phantom_from: PhantomData, phantom_from: PhantomData,
phantom_to: PhantomData, to,
b, b,
}) })
} }
@@ -263,7 +263,7 @@ impl Backup<'_, '_> {
ffi::SQLITE_OK => Ok(More), ffi::SQLITE_OK => Ok(More),
ffi::SQLITE_BUSY => Ok(Busy), ffi::SQLITE_BUSY => Ok(Busy),
ffi::SQLITE_LOCKED => Ok(Locked), ffi::SQLITE_LOCKED => Ok(Locked),
_ => Err(error_from_sqlite_code(rc, None)), _ => self.to.decode_result(rc).map(|_| More),
} }
} }

13
src/blob/pos_io.rs
View File

@@ -44,15 +44,14 @@ impl<'conn> Blob<'conn> {
// losslessly converted to i32, since `len` came from an i32. // losslessly converted to i32, since `len` came from an i32.
// Sanity check the above. // Sanity check the above.
debug_assert!(i32::try_from(write_start).is_ok() && i32::try_from(buf.len()).is_ok()); debug_assert!(i32::try_from(write_start).is_ok() && i32::try_from(buf.len()).is_ok());
unsafe { self.conn.decode_result(unsafe {
check!(ffi::sqlite3_blob_write( ffi::sqlite3_blob_write(
self.blob, self.blob,
buf.as_ptr() as *const _, buf.as_ptr() as *const _,
buf.len() as i32, buf.len() as i32,
write_start as i32, write_start as i32,
)); )
} })
Ok(())
} }
/// An alias for `write_at` provided for compatibility with the conceptually /// An alias for `write_at` provided for compatibility with the conceptually
@@ -151,12 +150,12 @@ impl<'conn> Blob<'conn> {
debug_assert!(i32::try_from(read_len).is_ok()); debug_assert!(i32::try_from(read_len).is_ok());
unsafe { unsafe {
check!(ffi::sqlite3_blob_read( self.conn.decode_result(ffi::sqlite3_blob_read(
self.blob, self.blob,
buf.as_mut_ptr() as *mut _, buf.as_mut_ptr() as *mut _,
read_len as i32, read_len as i32,
read_start as i32, read_start as i32,
)); ))?;
Ok(from_raw_parts_mut(buf.as_mut_ptr() as *mut u8, read_len)) Ok(from_raw_parts_mut(buf.as_mut_ptr() as *mut u8, read_len))
} }