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This commit is contained in:
Divy Srivastava 2024-12-16 09:47:42 +05:30
parent 636a6c3265
commit a43ea7ae19
1 changed files with 20 additions and 9 deletions
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29
ext/node/ops/sqlite/statement.rs
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@ -78,7 +78,8 @@ impl GarbageCollected for StatementSync {}
impl StatementSync { impl StatementSync {
// Clear the prepared statement back to its initial state. // Clear the prepared statement back to its initial state.
fn reset(&self) { fn reset(&self) {
// SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt. // SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt
// as it lives as long as the StatementSync instance.
unsafe { unsafe {
ffi::sqlite3_reset(self.inner); ffi::sqlite3_reset(self.inner);
} }
@ -87,7 +88,8 @@ impl StatementSync {
// Evaluate the prepared statement. // Evaluate the prepared statement.
fn step(&self) -> Result<bool, SqliteError> { fn step(&self) -> Result<bool, SqliteError> {
let raw = self.inner; let raw = self.inner;
// SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt. // SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt
// as it lives as long as the StatementSync instance.
unsafe { unsafe {
let r = ffi::sqlite3_step(raw); let r = ffi::sqlite3_step(raw);
if r == ffi::SQLITE_DONE { if r == ffi::SQLITE_DONE {
@ -102,12 +104,14 @@ impl StatementSync {
} }
fn column_count(&self) -> i32 { fn column_count(&self) -> i32 {
// SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt. // SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt
// as it lives as long as the StatementSync instance.
unsafe { ffi::sqlite3_column_count(self.inner) } unsafe { ffi::sqlite3_column_count(self.inner) }
} }
fn column_name(&self, index: i32) -> &[u8] { fn column_name(&self, index: i32) -> &[u8] {
// SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt. // SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt
// as it lives as long as the StatementSync instance.
unsafe { unsafe {
let name = ffi::sqlite3_column_name(self.inner, index); let name = ffi::sqlite3_column_name(self.inner, index);
std::ffi::CStr::from_ptr(name as _).to_bytes() std::ffi::CStr::from_ptr(name as _).to_bytes()
@ -119,7 +123,8 @@ impl StatementSync {
index: i32, index: i32,
scope: &mut v8::HandleScope<'a>, scope: &mut v8::HandleScope<'a>,
) -> v8::Local<'a, v8::Value> { ) -> v8::Local<'a, v8::Value> {
// SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt. // SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt
// as it lives as long as the StatementSync instance.
unsafe { unsafe {
match ffi::sqlite3_column_type(self.inner, index) { match ffi::sqlite3_column_type(self.inner, index) {
ffi::SQLITE_INTEGER => { ffi::SQLITE_INTEGER => {
@ -211,14 +216,17 @@ impl StatementSync {
if value.is_number() { if value.is_number() {
let value = value.number_value(scope).unwrap(); let value = value.number_value(scope).unwrap();
// SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt. // SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt
// as it lives as long as the StatementSync instance.
unsafe { unsafe {
ffi::sqlite3_bind_double(raw, i + 1, value); ffi::sqlite3_bind_double(raw, i + 1, value);
} }
} else if value.is_string() { } else if value.is_string() {
let value = value.to_rust_string_lossy(scope); let value = value.to_rust_string_lossy(scope);
// SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt. // SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt
// as it lives as long as the StatementSync instance.
//
// SQLITE_TRANSIENT is used to indicate that SQLite should make a copy of the data. // SQLITE_TRANSIENT is used to indicate that SQLite should make a copy of the data.
unsafe { unsafe {
ffi::sqlite3_bind_text( ffi::sqlite3_bind_text(
@ -230,7 +238,8 @@ impl StatementSync {
); );
} }
} else if value.is_null() { } else if value.is_null() {
// SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt. // SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt
// as it lives as long as the StatementSync instance.
unsafe { unsafe {
ffi::sqlite3_bind_null(raw, i + 1); ffi::sqlite3_bind_null(raw, i + 1);
} }
@ -239,7 +248,9 @@ impl StatementSync {
let data = value.data(); let data = value.data();
let size = value.byte_length(); let size = value.byte_length();
// SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt. // SAFETY: `self.inner` is a valid pointer to a sqlite3_stmt
// as it lives as long as the StatementSync instance.
//
// SQLITE_TRANSIENT is used to indicate that SQLite should make a copy of the data. // SQLITE_TRANSIENT is used to indicate that SQLite should make a copy of the data.
unsafe { unsafe {
ffi::sqlite3_bind_blob( ffi::sqlite3_bind_blob(