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implementation of parquet reader based on arrow #2136

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implementation of parquet reader based on arrow #2136

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0c6491c
skeleton of parquet op kernel
Mar 10, 2025
d786733
implementation of parquet arrow reader
Mar 17, 2025
1681930
build python wrapper
Mar 17, 2025
ad52c2f
fix build errors
Mar 21, 2025
fb4be3f
fix
Mar 21, 2025
ed99fff
add test python script for parquet dataset.
Mar 21, 2025
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10 changes: 5 additions & 5 deletions WORKSPACE
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,6 @@ http_archive(
sha256 = "14bf9bf97431b890e0ae5dca8f8904841d4883b8596a7108a42f5700ae58d711",
strip_prefix = "google-cloud-cpp-1.21.0",
urls = [
"https://storage.googleapis.com/mirror.tensorflow.org/github.com/googleapis/google-cloud-cpp/archive/v1.21.0.tar.gz",
"https://github.com/googleapis/google-cloud-cpp/archive/v1.21.0.tar.gz",
],
)
Expand Down Expand Up @@ -174,11 +173,12 @@ http_archive(
http_archive(
name = "arrow",
build_file = "//third_party:arrow.BUILD",
sha256 = "57e13c62f27b710e1de54fd30faed612aefa22aa41fa2c0c3bacd204dd18a8f3",
strip_prefix = "arrow-apache-arrow-7.0.0",
patch_cmds = ["""sed -i.bak '24i\\'$'\\n#undef ARROW_WITH_OPENTELEMETRY\\n' cpp/src/arrow/util/tracing_internal.h"""],
sha256 = "19ece12de48e51ce4287d2dee00dc358fbc5ff02f41629d16076f77b8579e272",
strip_prefix = "arrow-apache-arrow-8.0.0",
urls = [
"https://storage.googleapis.com/mirror.tensorflow.org/github.com/apache/arrow/archive/apache-arrow-7.0.0.tar.gz",
"https://github.com/apache/arrow/archive/apache-arrow-7.0.0.tar.gz",
"https://storage.googleapis.com/mirror.tensorflow.org/github.com/apache/arrow/archive/apache-arrow-8.0.0.tar.gz",
"https://github.com/apache/arrow/archive/apache-arrow-8.0.0.tar.gz",
],
)

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3 changes: 3 additions & 0 deletions tensorflow_io/arrow.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
@@ArrowDataset
@@ArrowFeatherDataset
@@ArrowStreamDataset
@@ArrowParquetDataset
@@list_feather_columns
"""

Expand All @@ -26,13 +27,15 @@
from tensorflow_io.python.ops.arrow_dataset_ops import ArrowDataset
from tensorflow_io.python.ops.arrow_dataset_ops import ArrowFeatherDataset
from tensorflow_io.python.ops.arrow_dataset_ops import ArrowStreamDataset
from tensorflow_io.python.ops.arrow_dataset_ops import ArrowParquetDataset
from tensorflow_io.python.ops.arrow_dataset_ops import list_feather_columns


_allowed_symbols = [
"ArrowDataset",
"ArrowFeatherDataset",
"ArrowStreamDataset",
"ArrowParquetDataset",
"list_feather_columns",
]

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