Implement Sqlite3 Module #4260
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Implement Sqlite3 Module #4260
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@youknowone Can you help with that compilation fail with android? |
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that looks like a toolchain problem. rather than fighting with it, how about just disabling sqlite3 for android? |
youknowone
approved these changes
Jan 5, 2023
Comment on lines
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| let guard = self.db.lock(); | ||
| if guard.is_some() { | ||
| Ok(PyMutexGuard::map(guard, |x| unsafe { | ||
| x.as_mut().unwrap_unchecked() | ||
| })) | ||
| } else { | ||
| Err(new_programming_error( | ||
| vm, | ||
| "Cannot operate on a closed database.".to_owned(), | ||
| )) | ||
| } |
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Suggested change
| let guard = self.db.lock(); | |
| if guard.is_some() { | |
| Ok(PyMutexGuard::map(guard, |x| unsafe { | |
| x.as_mut().unwrap_unchecked() | |
| })) | |
| } else { | |
| Err(new_programming_error( | |
| vm, | |
| "Cannot operate on a closed database.".to_owned(), | |
| )) | |
| } | |
| let Some(guard) = self.db.lock() else { | |
| return Err(new_programming_error( | |
| vm, | |
| "Cannot operate on a closed database.".to_owned(), | |
| )); | |
| }; | |
| Ok(PyMutexGuard::map(guard, |x| unsafe { | |
| x.as_mut().unwrap_unchecked() | |
| })) |
There was a problem hiding this comment.
This is not going to work as the variable guard is MutexGuard<Option<_>>
stdlib/src/sqlite.rs
Outdated
Comment on lines
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| unsafe { | ||
| sqlite3_create_collation_v2(db.db, name.as_ptr(), SQLITE_UTF8, null_mut(), None, None); | ||
| return Ok(()); | ||
| } |
There was a problem hiding this comment.
Suggested change
| unsafe { | |
| sqlite3_create_collation_v2(db.db, name.as_ptr(), SQLITE_UTF8, null_mut(), None, None); | |
| return Ok(()); | |
| } | |
| unsafe { | |
| sqlite3_create_collation_v2(db.db, name.as_ptr(), SQLITE_UTF8, null_mut(), None, None); | |
| } | |
| return Ok(()); |
later code's unsafe blocks don't contain return Ok(()) but this one does.
Comment on lines
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| let guard = self.inner.lock(); | ||
| if guard.is_some() { | ||
| Ok(PyMutexGuard::map(guard, |x| unsafe { | ||
| x.as_mut().unwrap_unchecked() | ||
| })) | ||
| } else { | ||
| Err(new_programming_error( | ||
| vm, | ||
| "Cannot operate on a closed cursor.".to_owned(), | ||
| )) | ||
| } |
There was a problem hiding this comment.
Suggested change
| let guard = self.inner.lock(); | |
| if guard.is_some() { | |
| Ok(PyMutexGuard::map(guard, |x| unsafe { | |
| x.as_mut().unwrap_unchecked() | |
| })) | |
| } else { | |
| Err(new_programming_error( | |
| vm, | |
| "Cannot operate on a closed cursor.".to_owned(), | |
| )) | |
| } | |
| let Some(guard) = self.inner.lock() else { | |
| return Err(new_programming_error( | |
| vm, | |
| "Cannot operate on a closed cursor.".to_owned(), | |
| )); | |
| }; | |
| Ok(PyMutexGuard::map(guard, |x| unsafe { | |
| x.as_mut().unwrap_unchecked() | |
| })) |
| } | ||
|
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| fn inner(&self, vm: &VirtualMachine) -> PyResult<PyMappedMutexGuard<BlobInner>> { | ||
| let guard = self.inner.lock(); |
There was a problem hiding this comment.
Can you do let-else on a MutexGuard?
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closes #3983