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Remove Chunk::iter_component_arrays #8548

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merged 3 commits into from
Dec 20, 2024
Merged

Remove Chunk::iter_component_arrays #8548

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69fdcfc
remove Chunk::iter_component_arrays
teh-cmc Dec 19, 2024
c302bd4
propagate changes
teh-cmc Dec 19, 2024
4c4319d
lints
teh-cmc Dec 20, 2024
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27 changes: 3 additions & 24 deletions crates/store/re_chunk/src/iter.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,9 +2,9 @@ use std::sync::Arc;

use arrow2::{
array::{
Array as Arrow2Array, BooleanArray as Arrow2BooleanArray,
FixedSizeListArray as Arrow2FixedSizeListArray, ListArray as Arrow2ListArray,
PrimitiveArray as Arrow2PrimitiveArray, Utf8Array as Arrow2Utf8Array,
BooleanArray as Arrow2BooleanArray, FixedSizeListArray as Arrow2FixedSizeListArray,
ListArray as Arrow2ListArray, PrimitiveArray as Arrow2PrimitiveArray,
Utf8Array as Arrow2Utf8Array,
},
bitmap::Bitmap as Arrow2Bitmap,
Either,
Expand Down Expand Up @@ -200,27 +200,6 @@ impl Chunk {
}
}

/// Returns an iterator over the raw arrays of a [`Chunk`], for a given component.
///
/// See also:
/// * [`Self::iter_primitive`]
/// * [`Self::iter_primitive_array`]
/// * [`Self::iter_primitive_array_list`]
/// * [`Self::iter_string`]
/// * [`Self::iter_buffer`].
/// * [`Self::iter_component`].
#[inline]
pub fn iter_component_arrays(
&self,
component_name: &ComponentName,
) -> impl Iterator<Item = Box<dyn Arrow2Array>> + '_ {
let Some(list_array) = self.get_first_component(component_name) else {
return Either::Left(std::iter::empty());
};

Either::Right(list_array.iter().flatten())
}

/// Returns an iterator over the raw primitive values of a [`Chunk`], for a given component.
///
/// This is a very fast path: the entire column will be downcasted at once, and then every
Expand Down
10 changes: 2 additions & 8 deletions crates/store/re_grpc_client/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -484,15 +484,9 @@ async fn stream_catalog_async(
)))?;

let recording_uri_arrays: Vec<Box<dyn Arrow2Array>> = chunk
.iter_component_arrays(&"id".into())
.iter_string(&"id".into())
.map(|id| {
let rec_id = id
.as_any()
.downcast_ref::<Arrow2Utf8Array<i32>>()
.ok_or(StreamError::ChunkError(re_chunk::ChunkError::Malformed {
reason: format!("id must be a utf8 array: {:?}", tc.schema),
}))?
.value(0); // each component batch is of length 1 i.e. single 'id' value
let rec_id = &id[0]; // each component batch is of length 1 i.e. single 'id' value

let recording_uri = format!("rerun://{host}:{port}/recording/{rec_id}");

Expand Down
40 changes: 18 additions & 22 deletions crates/viewer/re_view_spatial/src/max_image_dimension_subscriber.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,3 @@
use arrow2::array::Array;
use nohash_hasher::IntMap;
use once_cell::sync::OnceCell;

Expand Down Expand Up @@ -85,41 +84,38 @@ impl PerStoreChunkSubscriber for MaxImageDimensionsStoreSubscriber {
}

// Handle `ImageEncoded`, `AssetVideo`…
let blobs = event.diff.chunk.iter_component_arrays(&Blob::name());
let media_types = event.diff.chunk.iter_component_arrays(&MediaType::name());
let blobs = event.diff.chunk.iter_buffer(&Blob::name());
let media_types = event.diff.chunk.iter_string(&MediaType::name());
for (blob, media_type) in
itertools::izip!(blobs, media_types.map(Some).chain(std::iter::repeat(None)))
{
if let Some([width, height]) = size_from_blob(blob.as_ref(), media_type.as_deref())
{
let max_dim = self
.max_dimensions
.entry(event.diff.chunk.entity_path().clone())
.or_default();
max_dim.width = max_dim.width.max(width);
max_dim.height = max_dim.height.max(height);
if let Some(blob) = blob.first() {
if let Some([width, height]) = size_from_blob(
blob.as_slice(),
media_type.and_then(|v| v.first().map(|v| MediaType(v.clone().into()))),
) {
let max_dim = self
.max_dimensions
.entry(event.diff.chunk.entity_path().clone())
.or_default();
max_dim.width = max_dim.width.max(width);
max_dim.height = max_dim.height.max(height);
}
}
}
}
}
}

fn size_from_blob(blob: &dyn Array, media_type: Option<&dyn Array>) -> Option<[u32; 2]> {
fn size_from_blob(blob: &[u8], media_type: Option<MediaType>) -> Option<[u32; 2]> {
re_tracing::profile_function!();

let blob = Blob::from_arrow2_opt(blob).ok()?.first()?.clone()?;

let media_type: Option<MediaType> = media_type
.and_then(|media_type| MediaType::from_arrow2_opt(media_type).ok())
.and_then(|list| list.first().cloned())
.flatten();

let media_type = MediaType::or_guess_from_data(media_type, &blob)?;
let media_type = MediaType::or_guess_from_data(media_type, blob)?;

if media_type.is_image() {
re_tracing::profile_scope!("image");

let image_bytes = blob.0.as_slice();
let image_bytes = blob;

let mut reader = image::ImageReader::new(std::io::Cursor::new(image_bytes));

Expand All @@ -137,7 +133,7 @@ fn size_from_blob(blob: &dyn Array, media_type: Option<&dyn Array>) -> Option<[u
reader.into_dimensions().ok().map(|size| size.into())
} else if media_type.is_video() {
re_tracing::profile_scope!("video");
re_video::VideoData::load_from_bytes(&blob, &media_type)
re_video::VideoData::load_from_bytes(blob, &media_type)
.ok()
.map(|video| video.dimensions())
} else {
Expand Down
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