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fix(ingestion): Pad sparse matrices to correct dimensions #580

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fix(ingestion): Pad sparse matrices to correct dimensions #580

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12 changes: 11 additions & 1 deletion apis/python/src/tiledb/vector_search/ingestion.py
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Original file line number Diff line number Diff line change
Expand Up @@ -941,7 +941,8 @@ def read_input_vectors(
) as src_array:
src_array_schema = src_array.schema
data = src_array[start_pos:end_pos, 0:dimensions]
return coo_matrix(

matrix = coo_matrix(
(
data[src_array_schema.attr(0).name],
(
Expand All @@ -950,6 +951,15 @@ def read_input_vectors(
),
)
).toarray()

if matrix.shape[1] < dimensions:
matrix = np.concatenate([
matrix,
np.zeros(shape=(matrix.shape[0], dimensions - matrix.shape[1]))
], axis=1)

return matrix

elif source_type == "TILEDB_PARTITIONED_ARRAY":
with tiledb.open(
source_uri, "r", timestamp=index_timestamp, config=config
Expand Down