Read and Write 'Apache Parquet' Files


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Documentation for package ‘qio’ version 0.1.0

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bloom_filter_may_contain Test values against a Parquet bloom filter
bloom_filter_may_contain.qio_parquet_file Test values against a Parquet bloom filter
close_parquet Close a Parquet file
collect Collect data from a Parquet file
collect.qio_parquet_file Collect data from a Parquet file
column_chunks Inspect Parquet column chunks
column_chunks.qio_parquet_file Inspect Parquet column chunks
column_statistics Inspect Parquet column statistics
column_statistics.qio_parquet_file Inspect Parquet column statistics
infer_parquet_schema Infer the Parquet writer schema for an R object
metadata Inspect Parquet footer metadata
metadata.qio_parquet_file Inspect Parquet footer metadata
open_parquet Open a Parquet file
page_index Inspect Parquet page indexes
page_index.qio_parquet_file Inspect Parquet page indexes
parquet_schema Create a Parquet writer schema
parquet_type_mapping Show Parquet physical type mappings
qio-limitations What qio does not do
qio-types Parquet type mapping
read_parquet Read a Parquet file
read_plan Plan how a Parquet file is read into R
read_plan.character Plan how a Parquet file is read into R
read_plan.data.frame Plan how a Parquet file is read into R
read_plan.qio_parquet_file Plan how a Parquet file is read into R
row_groups Inspect Parquet row groups
row_groups.qio_parquet_file Inspect Parquet row groups
schema Inspect a Parquet schema
schema.qio_parquet_file Inspect a Parquet schema
validate_parquet Check that a file is structurally valid Parquet
walk_batches Walk over batches from a Parquet file
write_parquet Write a Parquet file