From 7cd28c75ce17ddbc4af4422db01b3523db1c7125 Mon Sep 17 00:00:00 2001
From: tttMelody <245915794@qq.com>
Date: Thu, 1 Nov 2018 16:56:48 +0800
Subject: [PATCH] minor, fix a tiny syntax error in README.

---
 README.md | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 83ebb4e..6fbe3c3 100644
--- a/README.md
+++ b/README.md
@@ -124,9 +124,8 @@ spark.index.exists.parquet("temp/codes.parquet")
 // example uses filters on both columns, though any filters can be used,
 // e.g. only on id or code
 // Metastore will cache index catalog to reduce time for subsequent calls
-val df = spark.index.parquet("temp/codes.parquet").
-  filter($"id" === 123 && $"code" === "123")
-df.collect
+spark.index.parquet("temp/codes.parquet").
+  filter($"id" === 123 && $"code" === "123").collect
 
 // Delete index in metastore, also invalidates cache
 // no-op if there is such index does not exist
@@ -134,9 +133,8 @@ df.collect
 spark.index.delete.parquet("temp/codes.parquet")
 
 // You can compare performance with this
-val df = spark.read.parquet("temp/codes.parquet").
-  filter($"id" === 123 && $"code" === "123")
-df.collect
+spark.read.parquet("temp/codes.parquet").
+  filter($"id" === 123 && $"code" === "123").collect
 ```
 
 ### Java API