parquet-tools

command
v1.5.6 Latest Latest
Warning

This package is not in the latest version of its module.

Go to latest
Published: Jul 9, 2020 License: Apache-2.0 Imports: 7 Imported by: 0

README

parquet-tools

parquet-tools is a command line tool that aid in the inspection of parquet files. More functions will be added.

Build

cd parquet-tools && go build parquet-tools

Description

-cmd

schema/size/rowcount

-file

parquet file name;

-tag

print the go struct tags; default is false;

-cat

cat records of parquet file.

Example

Output Schema
bash$ ./parquet-tools -cmd schema -file a.parquet -tag false
bash$
----- Go struct -----
parquet_go_root struct{
  name string
  age int32
  id int64
  weight float32
  sex bool
  day int32
}
----- Json schema -----
{
  "Tag": "name=parquet_go_root, repetitiontype=REQUIRED",
  "Fields": [
    {
      "Tag": "name=name, type=UTF8, repetitiontype=REQUIRED",
      "Fields": null
    },
    {
      "Tag": "name=age, type=INT32, repetitiontype=REQUIRED",
      "Fields": null
    },
    {
      "Tag": "name=id, type=INT64, repetitiontype=REQUIRED",
      "Fields": null
    },
    {
      "Tag": "name=weight, type=FLOAT, repetitiontype=REQUIRED",
      "Fields": null
    },
    {
      "Tag": "name=sex, type=BOOLEAN, repetitiontype=REQUIRED",
      "Fields": null
    },
    {
      "Tag": "name=day, type=DATE, repetitiontype=REQUIRED",
      "Fields": null
    }
  ]
}

Show records
#show first 2 records of a.parquet
./parquet-tools -cmd cat -count 2 -file a.parquet 

Documentation

The Go Gopher

There is no documentation for this package.

Directories

Path Synopsis

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL