Module parquet 

Parquet I/O builtins — read.parquet() and write.parquet() for reading and writing Apache Parquet files as data frames.

Feature-gated behind the parquet feature flag. Uses the parquet and arrow crates to convert between Arrow columnar format and R values.

Statics

__INTERP_REG_BUILTIN_READ_PARQUET 🔒

__INTERP_REG_BUILTIN_WRITE_PARQUET 🔒

Functions

arrow_column_to_rvector 🔒

Convert an Arrow array column to an R vector.

builtin_read_parquet 🔒

Read a Parquet file into a data.frame.

builtin_write_parquet 🔒

Write a data.frame to a Parquet file.

concatenate_rvectors 🔒

Concatenate multiple R vectors of the same type into one.

rvector_to_arrow_array 🔒

Convert an R vector to an Arrow ArrayRef for writing.

rvector_to_arrow_type 🔒

Map an R vector type to an Arrow DataType for schema construction.