(
&self,
struct_node: &FieldNode,
null_buffer: Buffer,
struct_fields: &Fields,
struct_arrays: Vec<ArrayRef>,
)
| 363 | } |
| 364 | |
| 365 | fn create_struct_array( |
| 366 | &self, |
| 367 | struct_node: &FieldNode, |
| 368 | null_buffer: Buffer, |
| 369 | struct_fields: &Fields, |
| 370 | struct_arrays: Vec<ArrayRef>, |
| 371 | ) -> Result<ArrayRef, ArrowError> { |
| 372 | let null_count = struct_node.null_count() as usize; |
| 373 | let len = struct_node.length() as usize; |
| 374 | let skip_validation = self.skip_validation.get(); |
| 375 | |
| 376 | let nulls = if null_count > 0 { |
| 377 | let validity_buffer = BooleanBuffer::new(null_buffer, 0, len); |
| 378 | let null_buffer = if skip_validation { |
| 379 | // safety: flag can only be set via unsafe code |
| 380 | unsafe { NullBuffer::new_unchecked(validity_buffer, null_count) } |
| 381 | } else { |
| 382 | let null_buffer = NullBuffer::new(validity_buffer); |
| 383 | |
| 384 | if null_buffer.null_count() != null_count { |
| 385 | return Err(ArrowError::InvalidArgumentError(format!( |
| 386 | "null_count value ({}) doesn't match actual number of nulls in array ({})", |
| 387 | null_count, |
| 388 | null_buffer.null_count() |
| 389 | ))); |
| 390 | } |
| 391 | |
| 392 | null_buffer |
| 393 | }; |
| 394 | |
| 395 | Some(null_buffer) |
| 396 | } else { |
| 397 | None |
| 398 | }; |
| 399 | if struct_arrays.is_empty() { |
| 400 | // `StructArray::from` can't infer the correct row count |
| 401 | // if we have zero fields |
| 402 | return Ok(Arc::new(StructArray::new_empty_fields(len, nulls))); |
| 403 | } |
| 404 | |
| 405 | let struct_array = if skip_validation { |
| 406 | // safety: flag can only be set via unsafe code |
| 407 | unsafe { StructArray::new_unchecked(struct_fields.clone(), struct_arrays, nulls) } |
| 408 | } else { |
| 409 | StructArray::try_new(struct_fields.clone(), struct_arrays, nulls)? |
| 410 | }; |
| 411 | |
| 412 | Ok(Arc::new(struct_array)) |
| 413 | } |
| 414 | |
| 415 | /// Reads the correct number of buffers based on list type and null_count, and creates a |
| 416 | /// list array ref |
no test coverage detected