Module printer 

Parquet schema printer. Provides methods to print Parquet file schema and list file metadata.

Example

use parquet::{
    file::reader::{FileReader, SerializedFileReader},
    schema::printer::{print_file_metadata, print_parquet_metadata, print_schema},
};
use std::{fs::File, path::Path};

// Open a file
let path = Path::new("test.parquet");
if let Ok(file) = File::open(&path) {
    let reader = SerializedFileReader::new(file).unwrap();
    let parquet_metadata = reader.metadata();

    print_parquet_metadata(&mut std::io::stdout(), &parquet_metadata);
    print_file_metadata(&mut std::io::stdout(), &parquet_metadata.file_metadata());

    print_schema(
        &mut std::io::stdout(),
        &parquet_metadata.file_metadata().schema(),
    );
}

Re-exports

use std::fmt; 🔒

use std::io; 🔒

use crate::basic::ConvertedType; 🔒

use crate::basic::DecimalType; 🔒

use crate::basic::GeographyType; 🔒

use crate::basic::GeometryType; 🔒

use crate::basic::IntType; 🔒

use crate::basic::LogicalType; 🔒

use crate::basic::TimeUnit; 🔒

use crate::basic::Type as PhysicalType; 🔒

use crate::basic::VariantType; 🔒

use crate::file::metadata::ColumnChunkMetaData; 🔒

use crate::file::metadata::FileMetaData; 🔒

use crate::file::metadata::ParquetMetaData; 🔒

use crate::file::metadata::RowGroupMetaData; 🔒

use crate::schema::types::Type; 🔒

Structs

Printer 🔒

Struct for printing Parquet message type.

Constants

INDENT_WIDTH 🔒

Functions

print_column_chunk_metadata 🔒

print_dashes 🔒

print_file_metadata

Prints file metadata FileMetaData information.

print_logical_and_converted 🔒

print_parquet_metadata

Prints Parquet metadata ParquetMetaData information.

print_row_group_metadata 🔒

print_schema

Prints Parquet Type information.

print_timeunit 🔒