From be0e6cb27216c92f22ab55812772247c670629ee Mon Sep 17 00:00:00 2001
From: ktrueda <ktrueda@users.noreply.github.com>
Date: Sun, 11 Oct 2020 00:45:08 +0900
Subject: [PATCH] parquet-tools: add page (#4588)

---
 pages/common/parquet-tools.md | 36 +++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 pages/common/parquet-tools.md

diff --git a/pages/common/parquet-tools.md b/pages/common/parquet-tools.md
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+# parquet-tools
+
+> A tool to show, inspect and manipulate Parquet file.
+> More information: <https://github.com/apache/parquet-mr/tree/master/parquet-tools>.
+
+- Display the content of a Parquet file:
+
+`parquet-tools cat {{path/to/parquet}}`
+
+- Display the first few lines of a Parquet file:
+
+`parquet-tools head {{path/to/parquet}}`
+
+- Print the schema of a Parquet file:
+
+`parquet-tools schema {{path/to/parquet}}`
+
+- Print the metadata of a Parquet file:
+
+`parquet-tools meta {{path/to/parquet}}`
+
+- Print the content and metadata of a Parquet file:
+
+`parquet-tools dump {{path/to/parquet}}`
+
+- Concatenate several Parquet files into the target one:
+
+`parquet-tools merge {{path/to/parquet1}} {{path/to/parquet2}} {{path/to/target_parquet}}`
+
+- Print the count of rows in a Parquet file:
+
+`parquet-tools rowcount {{path/to/parquet}}`
+
+- Print the column and offset indexes of a Parquet file:
+
+`parquet-tools column-index {{path/to/parquet}}`