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Set polars concatenation option to avoid issues with empty partitions #481

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Set polars concatenation option to avoid issues with empty partitions #481

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8 changes: 5 additions & 3 deletions adapta/storage/distributed_object_store/v3/datastax_astra/astra_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@
from adapta.storage.distributed_object_store.v3.datastax_astra._models import SimilarityFunction, VectorSearchQuery
from adapta.storage.models.filter_expression import Expression, AstraFilterExpression, compile_expression
from adapta.utils import chunk_list, rate_limit
from adapta.utils.metaframe import MetaFrame, concat
from adapta.utils.metaframe import MetaFrame, concat, PolarsOptions
from adapta.storage.distributed_object_store.v3.datastax_astra._model_mappers import get_mapper

TModel = TypeVar("TModel") # pylint: disable=C0103
Expand Down Expand Up @@ -332,7 +332,8 @@ def to_frame(
for key_column_filter in compiled_filter_values
],
chunksize=max(int(len(compiled_filter_values) / num_threads), 1),
)
),
options=[PolarsOptions(how="diagonal_relaxed")],
)
else:
result = concat(
Expand All @@ -347,7 +348,8 @@ def to_frame(
else (lambda x: pandas.DataFrame(x, columns=select_columns).drop_duplicates()),
)
for key_column_filter in compiled_filter_values
]
],
options=[PolarsOptions(how="diagonal_relaxed")],
)

return result
Expand Down