metadata_parquet: Query metadata of a Parquet file
In svraka/asmisc: Miscellaneous Utility Functions
metadata_parquet R Documentation
Query metadata of a Parquet file
Description
Query column names and column types of an Apache Parquet data file.
Usage
metadata_parquet(file)
Arguments
file
Path to a Parquet file
Value
A data frame with two columns:
nameColumn names
typeColumn types, as returned by the
ParquetFileReader$GetSchema()
method. This does not directly correspond to navtive R data types
but should be informative nevertheless.
Author(s)
András Svraka
See Also
arrow::write_parquet(), arrow::read_parquet()
Examples
tmp <- tempfile()
arrow::write_parquet(iris, tmp)
metadata_parquet(tmp)
svraka/asmisc documentation built on June 12, 2025, 12:04 p.m.
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| metadata_parquet | R Documentation |
Query metadata of a Parquet file
Description
Query column names and column types of an Apache Parquet data file.
Usage
metadata_parquet(file)
Arguments
file |
Path to a Parquet file |
Value
A data frame with two columns:
nameColumn names
typeColumn types, as returned by the
ParquetFileReader$GetSchema()method. This does not directly correspond to navtive R data types but should be informative nevertheless.
Author(s)
András Svraka
See Also
arrow::write_parquet(), arrow::read_parquet()
Examples
tmp <- tempfile()
arrow::write_parquet(iris, tmp)
metadata_parquet(tmp)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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