refactor!: Prepared::into_statement is now named

`Prepared::into_handle` to be more consistent with
`Connection::into_handle`

Author: pacman82

odbc-api/src/connection.rs

@@ -1073,7 +1073,7 @@ impl<'env> ConnectionTransitions for Arc<Connection<'env>> {
 
     fn into_prepared(self, query: &str) -> Result<Self::Prepared, Error> {
         let stmt = self.prepare(query)?;
-        let stmt_ptr = stmt.into_statement().into_sys();
+        let stmt_ptr = stmt.into_handle().into_sys();
         // Safe: The connection is the parent of the statement referenced by `stmt_ptr`.
         let stmt = unsafe { StatementConnection::new(stmt_ptr, self) };
         // `stmt` is valid and in prepared state.

odbc-api/src/prepared.rs

@@ -26,7 +26,7 @@ impl<S> Prepared<S> {
     /// [`crate::handles::StatementImpl::into_sys`] or [`crate::handles::Statement::as_sys`] this
     /// serves as an escape hatch to access the functionality provided by `crate::sys` not yet
     /// accessible through safe abstractions.
-    pub fn into_statement(self) -> S {
+    pub fn into_handle(self) -> S {
         self.statement
     }
 }
@@ -117,9 +117,7 @@ where
         C: ColumnBuffer + HasDataType,
     {
         // We know that statement is a prepared statement.
-        unsafe {
-            ColumnarBulkInserter::new(self.into_statement(), parameter_buffers, index_mapping)
-        }
+        unsafe { ColumnarBulkInserter::new(self.into_handle(), parameter_buffers, index_mapping) }
     }
 
     /// Use this to insert rows of string input into the database.

odbc-api/src/shared_connection.rs

@@ -55,7 +55,7 @@ impl<'env> ConnectionTransitions for SharedConnection<'env> {
             .lock()
             .expect("Shared connection lock must not be poisoned");
         let stmt = guard.prepare(query)?;
-        let stmt_ptr = stmt.into_statement().into_sys();
+        let stmt_ptr = stmt.into_handle().into_sys();
         drop(guard);
         // Safe: The connection is the parent of the statement referenced by `stmt_ptr`.
         let stmt = unsafe { StatementConnection::new(stmt_ptr, self) };